test(vitest): second part of migration

frontend/__mocks__/uplotMock.ts

@@ -1,51 +1,53 @@
 /* eslint-disable @typescript-eslint/no-unused-vars */
 
 // Mock for uplot library used in tests
+import { type Mock, vi } from 'vitest';
+
 export interface MockUPlotInstance {
-	setData: jest.Mock;
-	setSize: jest.Mock;
-	destroy: jest.Mock;
-	redraw: jest.Mock;
-	setSeries: jest.Mock;
+	setData: Mock;
+	setSize: Mock;
+	destroy: Mock;
+	redraw: Mock;
+	setSeries: Mock;
 }
 
 export interface MockUPlotPaths {
-	spline: jest.Mock;
-	bars: jest.Mock;
-	linear: jest.Mock;
-	stepped: jest.Mock;
+	spline: Mock;
+	bars: Mock;
+	linear: Mock;
+	stepped: Mock;
 }
 
 // Create mock instance methods
 const createMockUPlotInstance = (): MockUPlotInstance => ({
-	setData: jest.fn(),
-	setSize: jest.fn(),
-	destroy: jest.fn(),
-	redraw: jest.fn(),
-	setSeries: jest.fn(),
+	setData: vi.fn(),
+	setSize: vi.fn(),
+	destroy: vi.fn(),
+	redraw: vi.fn(),
+	setSeries: vi.fn(),
 });
 
 // Path builder: (self, seriesIdx, idx0, idx1) => paths or null
-const createMockPathBuilder = (name: string): jest.Mock =>
-	jest.fn(() => ({
+const createMockPathBuilder = (name: string): Mock =>
+	vi.fn(() => ({
 		name, // To test if the correct pathBuilder is used
-		stroke: jest.fn(),
-		fill: jest.fn(),
-		clip: jest.fn(),
+		stroke: vi.fn(),
+		fill: vi.fn(),
+		clip: vi.fn(),
 	}));
 
 // Create mock paths - linear, spline, stepped needed by UPlotSeriesBuilder.getPathBuilder
 const mockPaths = {
-	spline: jest.fn(() => createMockPathBuilder('spline')),
-	bars: jest.fn(() => createMockPathBuilder('bars')),
-	linear: jest.fn(() => createMockPathBuilder('linear')),
-	stepped: jest.fn((opts?: { align?: number }) =>
+	spline: vi.fn(() => createMockPathBuilder('spline')),
+	bars: vi.fn(() => createMockPathBuilder('bars')),
+	linear: vi.fn(() => createMockPathBuilder('linear')),
+	stepped: vi.fn((opts?: { align?: number }) =>
 		createMockPathBuilder(`stepped-(${opts?.align ?? 0})`),
 	),
 };
 
 // Mock static methods
-const mockTzDate = jest.fn(
+const mockTzDate = vi.fn(
 	(date: Date, _timezone: string) => new Date(date.getTime()),
 );
 

frontend/__mocks__/useSafeNavigate.ts

@@ -1,4 +1,6 @@
 // Mock for useSafeNavigate hook to avoid React Router version conflicts in tests
+import { type MockedFunction, vi } from 'vitest';
+
 interface SafeNavigateOptions {
 	replace?: boolean;
 	state?: unknown;
@@ -14,15 +16,15 @@ interface SafeNavigateTo {
 type SafeNavigateToType = string | SafeNavigateTo;
 
 interface UseSafeNavigateReturn {
-	safeNavigate: jest.MockedFunction<
+	safeNavigate: MockedFunction<
 		(to: SafeNavigateToType, options?: SafeNavigateOptions) => void
 	>;
 }
 
 export const useSafeNavigate = (): UseSafeNavigateReturn => ({
-	safeNavigate: jest.fn(
+	safeNavigate: vi.fn(
 		(_to: SafeNavigateToType, _options?: SafeNavigateOptions) => {},
-	) as jest.MockedFunction<
+	) as MockedFunction<
 		(to: SafeNavigateToType, options?: SafeNavigateOptions) => void
 	>,
 });

frontend/package.json

@@ -15,14 +15,13 @@
     "lint:generated": "oxlint ./src/api/generated --fix",
     "lint:fix": "oxlint ./src --fix",
     "lint:styles": "stylelint \"src/**/*.scss\"",
-    "jest": "jest",
-    "jest:coverage": "jest --coverage",
-    "jest:watch": "jest --watch",
-    "postinstall": "yarn i18n:generate-hash && (is-ci || yarn husky:configure)  && node scripts/update-registry.cjs",
+    "postinstall": "yarn i18n:generate-hash && (is-ci || yarn husky:configure)  && node scripts/update-registry.cjs && patch-package",
     "husky:configure": "cd .. && husky install frontend/.husky && cd frontend && chmod ug+x .husky/*",
     "commitlint": "commitlint --edit $1",
-    "test": "jest",
-    "test:changedsince": "jest --changedSince=main --coverage --silent",
+    "test": "vitest run",
+    "test:watch": "vitest",
+    "test:coverage": "vitest run --coverage",
+    "test:changedsince": "vitest run --changed HEAD~1 --coverage",
     "generate:api": "orval --config ./orval.config.ts && sh scripts/post-types-generation.sh",
     "generate:permissions-type": "node scripts/generate-permissions-type.cjs"
   },
@@ -171,7 +170,7 @@
     "@commitlint/config-conventional": "^20.4.2",
     "@faker-js/faker": "9.3.0",
     "@jest/globals": "30.2.0",
-    "@testing-library/jest-dom": "5.16.5",
+    "@testing-library/jest-dom": "6.9.1",
     "@testing-library/react": "13.4.0",
     "@testing-library/user-event": "14.4.3",
     "@types/color": "^3.0.3",
@@ -199,9 +198,11 @@
     "@types/styled-components": "^5.1.4",
     "@types/uuid": "^8.3.1",
     "@typescript/native-preview": "7.0.0-dev.20260421.2",
+    "@vitest/coverage-v8": "4.1.5",
     "autoprefixer": "10.4.19",
     "babel-plugin-styled-components": "^1.12.0",
     "eslint-plugin-sonarjs": "4.0.2",
+    "happy-dom": "20.9.0",
     "husky": "^7.0.4",
     "imagemin": "^8.0.1",
     "imagemin-svgo": "^10.0.1",
@@ -216,6 +217,7 @@
     "oxfmt": "0.47.0",
     "oxlint": "1.62.0",
     "oxlint-tsgolint": "0.22.1",
+    "patch-package": "8.0.1",
     "portfinder-sync": "^0.0.2",
     "postcss": "8.5.6",
     "postcss-scss": "4.0.9",
@@ -235,11 +237,12 @@
     "vite-plugin-checker": "0.12.0",
     "vite-plugin-compression": "0.5.1",
     "vite-plugin-image-optimizer": "2.0.3",
-    "vite-tsconfig-paths": "6.1.1"
+    "vite-tsconfig-paths": "6.1.1",
+    "vitest": "4.1.5"
   },
   "lint-staged": {
     "*.(js|jsx|ts|tsx)": [
-      "oxlint --fix",
+      "oxlint --fix --quiet",
       "oxfmt --write",
       "sh -c tsgo --noEmit"
     ],

frontend/patches/@mswjs+interceptors+0.17.10.patch

@@ -0,0 +1,46 @@
+diff --git a/node_modules/@mswjs/interceptors/lib/interceptors/XMLHttpRequest/XMLHttpRequestOverride.js b/node_modules/@mswjs/interceptors/lib/interceptors/XMLHttpRequest/XMLHttpRequestOverride.js
+index 2480e76..67208c4 100644
+--- a/node_modules/@mswjs/interceptors/lib/interceptors/XMLHttpRequest/XMLHttpRequestOverride.js
++++ b/node_modules/@mswjs/interceptors/lib/interceptors/XMLHttpRequest/XMLHttpRequestOverride.js
+@@ -345,7 +345,14 @@ var createXMLHttpRequestOverride = function (options) {
+                 });
+             };
+             XMLHttpRequestOverride.prototype.abort = function () {
+-                this.log('abort');
++                if (typeof this.log === 'function') {
++                    this.log('abort');
++                }
++                if (typeof this.setReadyState !== 'function' ||
++                    typeof this.trigger !== 'function' ||
++                    typeof this.readyState !== 'number') {
++                    return;
++                }
+                 if (this.readyState > this.UNSENT && this.readyState < this.DONE) {
+                     this.setReadyState(this.UNSENT);
+                     this.trigger('abort');
+@@ -459,14 +466,17 @@ var createXMLHttpRequestOverride = function (options) {
+                     }
+                     finally { if (e_2) throw e_2.error; }
+                 }
+-                request.onabort = this.abort;
+-                request.onerror = this.onerror;
+-                request.ontimeout = this.ontimeout;
+-                request.onload = this.onload;
+-                request.onloadstart = this.onloadstart;
+-                request.onloadend = this.onloadend;
+-                request.onprogress = this.onprogress;
+-                request.onreadystatechange = this.onreadystatechange;
++                request.abort = this.abort.bind(this);
++                request.onabort = this.abort.bind(this);
++                request.onerror = this.onerror ? this.onerror.bind(this) : null;
++                request.ontimeout = this.ontimeout ? this.ontimeout.bind(this) : null;
++                request.onload = this.onload ? this.onload.bind(this) : null;
++                request.onloadstart = this.onloadstart ? this.onloadstart.bind(this) : null;
++                request.onloadend = this.onloadend ? this.onloadend.bind(this) : null;
++                request.onprogress = this.onprogress ? this.onprogress.bind(this) : null;
++                request.onreadystatechange = this.onreadystatechange
++                    ? this.onreadystatechange.bind(this)
++                    : null;
+             };
+             /**
+              * Propagates the mock XMLHttpRequest instance listeners

frontend/src/AppRoutes/__tests__/Private.test.tsx

@@ -1,3 +1,4 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 import { ReactElement } from 'react';
 import { QueryClient, QueryClientProvider } from 'react-query';
 import { MemoryRouter, Route, Switch, useLocation } from 'react-router-dom';
@@ -22,13 +23,13 @@ import { ROLES, USER_ROLES } from 'types/roles';
 import PrivateRoute from '../Private';
 
 // Mock localStorage APIs
-const mockLocalStorage: Record<string, string> = {};
-jest.mock('api/browser/localstorage/get', () => ({
+const mockLocalStorage = vi.hoisted((): Record<string, string> => ({}));
+vi.mock('api/browser/localstorage/get', () => ({
 	__esModule: true,
 	default: (key: string): string | null => mockLocalStorage[key] || null,
 }));
 
-jest.mock('api/browser/localstorage/set', () => ({
+vi.mock('api/browser/localstorage/set', () => ({
 	__esModule: true,
 	default: (key: string, value: string): void => {
 		mockLocalStorage[key] = value;
@@ -36,27 +37,29 @@ jest.mock('api/browser/localstorage/set', () => ({
 }));
 
 // Mock useGetTenantLicense hook
-let mockIsCloudUser = true;
-jest.mock('hooks/useGetTenantLicense', () => ({
+const mockTenantLicense = vi.hoisted(() => ({ isCloudUser: true }));
+vi.mock('hooks/useGetTenantLicense', () => ({
 	useGetTenantLicense: (): {
 		isCloudUser: boolean;
 		isEnterpriseSelfHostedUser: boolean;
 		isCommunityUser: boolean;
 		isCommunityEnterpriseUser: boolean;
 	} => ({
-		isCloudUser: mockIsCloudUser,
-		isEnterpriseSelfHostedUser: !mockIsCloudUser,
+		isCloudUser: mockTenantLicense.isCloudUser,
+		isEnterpriseSelfHostedUser: !mockTenantLicense.isCloudUser,
 		isCommunityUser: false,
 		isCommunityEnterpriseUser: false,
 	}),
 }));
 
 // Mock react-query for users fetch
-let mockUsersData: { email: string }[] = [];
-jest.mock('api/generated/services/users', () => ({
-	...jest.requireActual('api/generated/services/users'),
-	useListUsers: jest.fn(() => ({
-		data: { data: mockUsersData },
+const mockUsers = vi.hoisted((): { data: { email: string }[] } => ({
+	data: [],
+}));
+vi.mock('api/generated/services/users', async () => ({
+	...(await vi.importActual('api/generated/services/users')),
+	useListUsers: vi.fn(() => ({
+		data: { data: mockUsers.data },
 		isFetching: false,
 	})),
 }));
@@ -176,13 +179,13 @@ function createMockAppContext(
 		orgPreferencesFetchError: null,
 		changelog: null,
 		showChangelogModal: false,
-		activeLicenseRefetch: jest.fn(),
-		updateUser: jest.fn(),
-		updateOrgPreferences: jest.fn(),
-		updateUserPreferenceInContext: jest.fn(),
-		updateOrg: jest.fn(),
-		updateChangelog: jest.fn(),
-		toggleChangelogModal: jest.fn(),
+		activeLicenseRefetch: vi.fn(),
+		updateUser: vi.fn(),
+		updateOrgPreferences: vi.fn(),
+		updateUserPreferenceInContext: vi.fn(),
+		updateOrg: vi.fn(),
+		updateChangelog: vi.fn(),
+		toggleChangelogModal: vi.fn(),
 		versionData: { version: '1.0.0', ee: 'Y', setupCompleted: true },
 		hasEditPermission: true,
 		...overrides,
@@ -202,7 +205,7 @@ function renderPrivateRoute(options: RenderPrivateRouteOptions = {}): void {
 		isCloudUser = true,
 	} = options;
 
-	mockIsCloudUser = isCloudUser;
+	mockTenantLicense.isCloudUser = isCloudUser;
 
 	const contextValue = createMockAppContext(appContext);
 
@@ -245,11 +248,11 @@ function assertRendersChildren(): void {
 
 describe('PrivateRoute', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 		queryClient.clear();
 		Object.keys(mockLocalStorage).forEach((key) => delete mockLocalStorage[key]);
-		mockIsCloudUser = true;
-		mockUsersData = [];
+		mockTenantLicense.isCloudUser = true;
+		mockUsers.data = [];
 	});
 
 	describe('Old Routes Handling', () => {
@@ -1014,7 +1017,7 @@ describe('PrivateRoute', () => {
 	describe('Onboarding Flow (Cloud Users)', () => {
 		it('should redirect to onboarding when first user has not completed onboarding', async () => {
 			// Set up exactly one user (not admin@signoz.cloud) to trigger first user check
-			mockUsersData = [{ email: 'test@example.com' }];
+			mockUsers.data = [{ email: 'test@example.com' }];
 
 			renderPrivateRoute({
 				initialRoute: ROUTES.HOME,
@@ -1053,7 +1056,7 @@ describe('PrivateRoute', () => {
 		it('should not redirect to onboarding when onboarding is already complete', async () => {
 			// Set up first user condition - this ensures the ONLY reason we don't redirect
 			// is because isOnboardingComplete is true
-			mockUsersData = [{ email: 'test@example.com' }];
+			mockUsers.data = [{ email: 'test@example.com' }];
 
 			renderPrivateRoute({
 				initialRoute: ROUTES.HOME,
@@ -1124,7 +1127,7 @@ describe('PrivateRoute', () => {
 		it('should not redirect to onboarding when workspace is blocked and accessing billing', async () => {
 			// This tests the scenario where admin tries to access billing to fix payment
 			// while workspace is blocked and onboarding is not complete
-			mockUsersData = [{ email: 'test@example.com' }];
+			mockUsers.data = [{ email: 'test@example.com' }];
 
 			renderPrivateRoute({
 				initialRoute: ROUTES.BILLING,
@@ -1149,7 +1152,7 @@ describe('PrivateRoute', () => {
 		});
 
 		it('should not redirect to onboarding when workspace is blocked and accessing settings', async () => {
-			mockUsersData = [{ email: 'test@example.com' }];
+			mockUsers.data = [{ email: 'test@example.com' }];
 
 			renderPrivateRoute({
 				initialRoute: ROUTES.SETTINGS,
@@ -1173,7 +1176,7 @@ describe('PrivateRoute', () => {
 		});
 
 		it('should not redirect to onboarding when workspace is suspended (DEFAULTED)', async () => {
-			mockUsersData = [{ email: 'test@example.com' }];
+			mockUsers.data = [{ email: 'test@example.com' }];
 
 			renderPrivateRoute({
 				initialRoute: ROUTES.HOME,
@@ -1200,7 +1203,7 @@ describe('PrivateRoute', () => {
 		});
 
 		it('should not redirect to onboarding when workspace is access restricted (TERMINATED)', async () => {
-			mockUsersData = [{ email: 'test@example.com' }];
+			mockUsers.data = [{ email: 'test@example.com' }];
 
 			renderPrivateRoute({
 				initialRoute: ROUTES.HOME,
@@ -1227,7 +1230,7 @@ describe('PrivateRoute', () => {
 		});
 
 		it('should not redirect to onboarding when workspace is access restricted (EXPIRED)', async () => {
-			mockUsersData = [{ email: 'test@example.com' }];
+			mockUsers.data = [{ email: 'test@example.com' }];
 
 			renderPrivateRoute({
 				initialRoute: ROUTES.HOME,

frontend/src/api/browser/localstorage/__tests__/get.test.ts

@@ -1,22 +1,23 @@
+import { afterEach, describe, expect, it, vi } from 'vitest';
+
 /**
  * localstorage/get — lazy migration tests.
  *
- * basePath is memoized at module init, so each describe block re-imports the
- * module with a fresh DOM state via jest.isolateModules.
+ * basePath is memoized at module init, so each test re-imports the module with
+ * a fresh DOM state via vi.resetModules and dynamic import.
  */
 
 type GetModule = typeof import('../get');
 
-function loadGetModule(href: string): GetModule {
+async function loadGetModule(href: string): Promise<GetModule> {
 	const base = document.createElement('base');
 	base.setAttribute('href', href);
 	document.head.append(base);
 
-	let mod!: GetModule;
-	jest.isolateModules(() => {
-		// oxlint-disable-next-line typescript-eslint/no-require-imports, typescript-eslint/no-var-requires
-		mod = require('../get');
-	});
+	vi.resetModules();
+	const mod = await import('../get');
+	base.remove();
+
 	return mod;
 }
 
@@ -28,19 +29,19 @@ afterEach(() => {
 });
 
 describe('get — root path "/"', () => {
-	it('reads the bare key', () => {
-		const { default: get } = loadGetModule('/');
+	it('reads the bare key', async () => {
+		const { default: get } = await loadGetModule('/');
 		localStorage.setItem('AUTH_TOKEN', 'tok');
 		expect(get('AUTH_TOKEN')).toBe('tok');
 	});
 
-	it('returns null when key is absent', () => {
-		const { default: get } = loadGetModule('/');
+	it('returns null when key is absent', async () => {
+		const { default: get } = await loadGetModule('/');
 		expect(get('MISSING')).toBeNull();
 	});
 
-	it('does NOT promote bare keys (no-op at root)', () => {
-		const { default: get } = loadGetModule('/');
+	it('does NOT promote bare keys (no-op at root)', async () => {
+		const { default: get } = await loadGetModule('/');
 		localStorage.setItem('THEME', 'light');
 		get('THEME');
 		// bare key must still be present — no migration at root
@@ -49,19 +50,19 @@ describe('get — root path "/"', () => {
 });
 
 describe('get — prefixed path "/signoz/"', () => {
-	it('reads an already-scoped key directly', () => {
-		const { default: get } = loadGetModule('/signoz/');
+	it('reads an already-scoped key directly', async () => {
+		const { default: get } = await loadGetModule('/signoz/');
 		localStorage.setItem('/signoz/AUTH_TOKEN', 'scoped-tok');
 		expect(get('AUTH_TOKEN')).toBe('scoped-tok');
 	});
 
-	it('returns null when neither scoped nor bare key exists', () => {
-		const { default: get } = loadGetModule('/signoz/');
+	it('returns null when neither scoped nor bare key exists', async () => {
+		const { default: get } = await loadGetModule('/signoz/');
 		expect(get('MISSING')).toBeNull();
 	});
 
-	it('lazy-migrates bare key to scoped key on first read', () => {
-		const { default: get } = loadGetModule('/signoz/');
+	it('lazy-migrates bare key to scoped key on first read', async () => {
+		const { default: get } = await loadGetModule('/signoz/');
 		localStorage.setItem('AUTH_TOKEN', 'old-tok');
 
 		const result = get('AUTH_TOKEN');
@@ -71,8 +72,8 @@ describe('get — prefixed path "/signoz/"', () => {
 		expect(localStorage.getItem('AUTH_TOKEN')).toBeNull();
 	});
 
-	it('scoped key takes precedence over bare key', () => {
-		const { default: get } = loadGetModule('/signoz/');
+	it('scoped key takes precedence over bare key', async () => {
+		const { default: get } = await loadGetModule('/signoz/');
 		localStorage.setItem('AUTH_TOKEN', 'bare-tok');
 		localStorage.setItem('/signoz/AUTH_TOKEN', 'scoped-tok');
 
@@ -81,8 +82,8 @@ describe('get — prefixed path "/signoz/"', () => {
 		expect(localStorage.getItem('AUTH_TOKEN')).toBe('bare-tok');
 	});
 
-	it('subsequent reads after migration use scoped key (no double-write)', () => {
-		const { default: get } = loadGetModule('/signoz/');
+	it('subsequent reads after migration use scoped key (no double-write)', async () => {
+		const { default: get } = await loadGetModule('/signoz/');
 		localStorage.setItem('THEME', 'dark');
 
 		get('THEME'); // triggers migration
@@ -94,31 +95,15 @@ describe('get — prefixed path "/signoz/"', () => {
 });
 
 describe('get — two-prefix isolation', () => {
-	it('/signoz/ and /testing/ do not share migrated values', () => {
+	it('/signoz/ and /testing/ do not share migrated values', async () => {
 		localStorage.setItem('THEME', 'light');
 
-		const base1 = document.createElement('base');
-		base1.setAttribute('href', '/signoz/');
-		document.head.append(base1);
-		let getSignoz!: GetModule['default'];
-		jest.isolateModules(() => {
-			// oxlint-disable-next-line typescript-eslint/no-require-imports, typescript-eslint/no-var-requires
-			getSignoz = require('../get').default;
-		});
-		base1.remove();
+		const { default: getSignoz } = await loadGetModule('/signoz/');
 
 		// migrate bare → /signoz/THEME
 		getSignoz('THEME');
 
-		const base2 = document.createElement('base');
-		base2.setAttribute('href', '/testing/');
-		document.head.append(base2);
-		let getTesting!: GetModule['default'];
-		jest.isolateModules(() => {
-			// oxlint-disable-next-line typescript-eslint/no-require-imports, typescript-eslint/no-var-requires
-			getTesting = require('../get').default;
-		});
-		base2.remove();
+		const { default: getTesting } = await loadGetModule('/testing/');
 
 		// /testing/ prefix: bare key already gone, scoped key does not exist
 		expect(getTesting('THEME')).toBeNull();

frontend/src/api/browser/sessionstorage/__tests__/get.test.ts

@@ -1,3 +1,5 @@
+import { afterEach, describe, expect, it, vi } from 'vitest';
+
 /**
  * sessionstorage/get — lazy migration tests.
  * Mirrors the localStorage get tests; same logic, different storage.
@@ -5,17 +7,13 @@
 
 type GetModule = typeof import('../get');
 
-function loadGetModule(href: string): GetModule {
+async function loadGetModule(href: string): Promise<GetModule> {
 	const base = document.createElement('base');
 	base.setAttribute('href', href);
 	document.head.append(base);
 
-	let mod!: GetModule;
-	jest.isolateModules(() => {
-		// oxlint-disable-next-line typescript-eslint/no-require-imports, typescript-eslint/no-var-requires
-		mod = require('../get');
-	});
-	return mod;
+	vi.resetModules();
+	return import('../get');
 }
 
 afterEach(() => {
@@ -26,19 +24,19 @@ afterEach(() => {
 });
 
 describe('get — root path "/"', () => {
-	it('reads the bare key', () => {
-		const { default: get } = loadGetModule('/');
+	it('reads the bare key', async () => {
+		const { default: get } = await loadGetModule('/');
 		sessionStorage.setItem('retry-lazy-refreshed', 'true');
 		expect(get('retry-lazy-refreshed')).toBe('true');
 	});
 
-	it('returns null when key is absent', () => {
-		const { default: get } = loadGetModule('/');
+	it('returns null when key is absent', async () => {
+		const { default: get } = await loadGetModule('/');
 		expect(get('MISSING')).toBeNull();
 	});
 
-	it('does NOT promote bare keys at root', () => {
-		const { default: get } = loadGetModule('/');
+	it('does NOT promote bare keys at root', async () => {
+		const { default: get } = await loadGetModule('/');
 		sessionStorage.setItem('retry-lazy-refreshed', 'true');
 		get('retry-lazy-refreshed');
 		expect(sessionStorage.getItem('retry-lazy-refreshed')).toBe('true');
@@ -46,19 +44,19 @@ describe('get — root path "/"', () => {
 });
 
 describe('get — prefixed path "/signoz/"', () => {
-	it('reads an already-scoped key directly', () => {
-		const { default: get } = loadGetModule('/signoz/');
+	it('reads an already-scoped key directly', async () => {
+		const { default: get } = await loadGetModule('/signoz/');
 		sessionStorage.setItem('/signoz/retry-lazy-refreshed', 'true');
 		expect(get('retry-lazy-refreshed')).toBe('true');
 	});
 
-	it('returns null when neither scoped nor bare key exists', () => {
-		const { default: get } = loadGetModule('/signoz/');
+	it('returns null when neither scoped nor bare key exists', async () => {
+		const { default: get } = await loadGetModule('/signoz/');
 		expect(get('MISSING')).toBeNull();
 	});
 
-	it('lazy-migrates bare key to scoped key on first read', () => {
-		const { default: get } = loadGetModule('/signoz/');
+	it('lazy-migrates bare key to scoped key on first read', async () => {
+		const { default: get } = await loadGetModule('/signoz/');
 		sessionStorage.setItem('retry-lazy-refreshed', 'true');
 
 		const result = get('retry-lazy-refreshed');
@@ -68,8 +66,8 @@ describe('get — prefixed path "/signoz/"', () => {
 		expect(sessionStorage.getItem('retry-lazy-refreshed')).toBeNull();
 	});
 
-	it('scoped key takes precedence over bare key', () => {
-		const { default: get } = loadGetModule('/signoz/');
+	it('scoped key takes precedence over bare key', async () => {
+		const { default: get } = await loadGetModule('/signoz/');
 		sessionStorage.setItem('retry-lazy-refreshed', 'bare');
 		sessionStorage.setItem('/signoz/retry-lazy-refreshed', 'scoped');
 

frontend/src/api/dynamicVariables/__tests__/getFieldKeys.test.ts

@@ -1,15 +1,18 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 import axios from 'api';
 
 import { getFieldKeys } from '../getFieldKeys';
 
 // Mock the API instance
-jest.mock('api', () => ({
-	get: jest.fn(),
+vi.mock('api', () => ({
+	default: {
+		get: vi.fn(),
+	},
 }));
 
 describe('getFieldKeys API', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	const mockSuccessResponse = {
@@ -28,7 +31,7 @@ describe('getFieldKeys API', () => {
 
 	it('should call API with correct parameters when no args provided', async () => {
 		// Mock successful API response
-		(axios.get as jest.Mock).mockResolvedValueOnce(mockSuccessResponse);
+		vi.mocked(axios.get).mockResolvedValueOnce(mockSuccessResponse);
 
 		// Call function with no parameters
 		await getFieldKeys();
@@ -41,7 +44,7 @@ describe('getFieldKeys API', () => {
 
 	it('should call API with signal parameter when provided', async () => {
 		// Mock successful API response
-		(axios.get as jest.Mock).mockResolvedValueOnce(mockSuccessResponse);
+		vi.mocked(axios.get).mockResolvedValueOnce(mockSuccessResponse);
 
 		// Call function with signal parameter
 		await getFieldKeys('traces');
@@ -54,7 +57,7 @@ describe('getFieldKeys API', () => {
 
 	it('should call API with name parameter when provided', async () => {
 		// Mock successful API response
-		(axios.get as jest.Mock).mockResolvedValueOnce({
+		vi.mocked(axios.get).mockResolvedValueOnce({
 			status: 200,
 			data: {
 				status: 'success',
@@ -76,7 +79,7 @@ describe('getFieldKeys API', () => {
 
 	it('should call API with both signal and name when provided', async () => {
 		// Mock successful API response
-		(axios.get as jest.Mock).mockResolvedValueOnce({
+		vi.mocked(axios.get).mockResolvedValueOnce({
 			status: 200,
 			data: {
 				status: 'success',
@@ -98,7 +101,7 @@ describe('getFieldKeys API', () => {
 
 	it('should return properly formatted response', async () => {
 		// Mock API to return our response
-		(axios.get as jest.Mock).mockResolvedValueOnce(mockSuccessResponse);
+		vi.mocked(axios.get).mockResolvedValueOnce(mockSuccessResponse);
 
 		// Call the function
 		const result = await getFieldKeys('traces');

frontend/src/api/dynamicVariables/__tests__/getFieldValues.test.ts

@@ -1,20 +1,23 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 import axios from 'api';
 
 import { getFieldValues } from '../getFieldValues';
 
 // Mock the API instance
-jest.mock('api', () => ({
-	get: jest.fn(),
+vi.mock('api', () => ({
+	default: {
+		get: vi.fn(),
+	},
 }));
 
 describe('getFieldValues API', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	it('should call the API with correct parameters (no options)', async () => {
 		// Mock API response
-		(axios.get as jest.Mock).mockResolvedValueOnce({
+		vi.mocked(axios.get).mockResolvedValueOnce({
 			status: 200,
 			data: {
 				status: 'success',
@@ -38,7 +41,7 @@ describe('getFieldValues API', () => {
 
 	it('should call the API with signal parameter', async () => {
 		// Mock API response
-		(axios.get as jest.Mock).mockResolvedValueOnce({
+		vi.mocked(axios.get).mockResolvedValueOnce({
 			status: 200,
 			data: {
 				status: 'success',
@@ -62,7 +65,7 @@ describe('getFieldValues API', () => {
 
 	it('should call the API with name parameter', async () => {
 		// Mock API response
-		(axios.get as jest.Mock).mockResolvedValueOnce({
+		vi.mocked(axios.get).mockResolvedValueOnce({
 			status: 200,
 			data: {
 				status: 'success',
@@ -86,7 +89,7 @@ describe('getFieldValues API', () => {
 
 	it('should call the API with value parameter', async () => {
 		// Mock API response
-		(axios.get as jest.Mock).mockResolvedValueOnce({
+		vi.mocked(axios.get).mockResolvedValueOnce({
 			status: 200,
 			data: {
 				status: 'success',
@@ -110,7 +113,7 @@ describe('getFieldValues API', () => {
 
 	it('should call the API with time range parameters', async () => {
 		// Mock API response
-		(axios.get as jest.Mock).mockResolvedValueOnce({
+		vi.mocked(axios.get).mockResolvedValueOnce({
 			status: 200,
 			data: {
 				status: 'success',
@@ -162,7 +165,7 @@ describe('getFieldValues API', () => {
 			},
 		};
 
-		(axios.get as jest.Mock).mockResolvedValueOnce(mockResponse);
+		vi.mocked(axios.get).mockResolvedValueOnce(mockResponse);
 
 		// Call the function
 		const result = await getFieldValues('traces', 'mixed.values');
@@ -193,7 +196,7 @@ describe('getFieldValues API', () => {
 		};
 
 		// Mock API to return our response
-		(axios.get as jest.Mock).mockResolvedValueOnce(mockApiResponse);
+		vi.mocked(axios.get).mockResolvedValueOnce(mockApiResponse);
 
 		// Call the function
 		const result = await getFieldValues('traces', 'service.name');

frontend/src/api/index.ts

@@ -15,6 +15,7 @@ import { getBasePath } from 'utils/basePath';
 import { eventEmitter } from 'utils/getEventEmitter';
 
 import apiV1, { apiAlertManager, apiV2, apiV3, apiV4, apiV5 } from './apiV1';
+import { retryRequestAfterAuth } from 'api/interceptors';
 import { Logout } from './utils';
 
 const RESPONSE_TIMEOUT_THRESHOLD = 5000; // 5 seconds
@@ -129,13 +130,10 @@ export const interceptorRejected = async (
 					afterLogin(response.data.accessToken, response.data.refreshToken, true);
 
 					try {
-						const reResponse = await axios({
-							...value.config,
-							headers: {
-								...value.config.headers,
-								Authorization: `Bearer ${response.data.accessToken}`,
-							},
-						});
+						const reResponse = await retryRequestAfterAuth(
+							value.config,
+							response.data.accessToken,
+						);
 
 						return await Promise.resolve(reResponse);
 					} catch (error) {

frontend/src/api/interceptors.test.ts

@@ -1,46 +1,65 @@
+import { beforeAll, beforeEach, describe, expect, it, vi } from 'vitest';
 import axios, { AxiosHeaders, AxiosResponse } from 'axios';
 
-import { interceptorRejected } from './index';
-
-jest.mock('api/browser/localstorage/get', () => ({
-	__esModule: true,
-	default: jest.fn(() => 'mock-token'),
-}));
-
-jest.mock('api/v2/sessions/rotate/post', () => ({
-	__esModule: true,
-	default: jest.fn(() =>
+const { retryRequestMock, postRotateMock } = vi.hoisted(() => ({
+	retryRequestMock: vi.fn(),
+	postRotateMock: vi.fn(() =>
 		Promise.resolve({
 			data: { accessToken: 'new-token', refreshToken: 'new-refresh' },
 		}),
 	),
 }));
 
-jest.mock('AppRoutes/utils', () => ({
+vi.mock('api/interceptors', () => ({
 	__esModule: true,
-	default: jest.fn(),
+	retryRequestAfterAuth: retryRequestMock,
 }));
 
-jest.mock('axios', () => {
-	const actualAxios = jest.requireActual('axios');
-	const mockAxios = jest.fn().mockResolvedValue({ data: 'success' });
+vi.mock('api/browser/localstorage/get', () => ({
+	__esModule: true,
+	default: vi.fn(() => 'mock-token'),
+}));
 
+vi.mock('api/v2/sessions/rotate/post', () => ({
+	__esModule: true,
+	default: postRotateMock,
+}));
+
+vi.mock('AppRoutes/utils', () => ({
+	__esModule: true,
+	default: vi.fn(),
+}));
+
+vi.mock('axios', async () => {
+	const actual = await vi.importActual<typeof import('axios')>('axios');
 	return {
-		...actualAxios,
-		default: Object.assign(mockAxios, {
-			...actualAxios.default,
-			isAxiosError: jest.fn().mockReturnValue(true),
-			create: actualAxios.create,
+		...actual,
+		default: Object.assign(actual.default, {
+			isAxiosError: vi.fn(() => true),
 		}),
 		__esModule: true,
 	};
 });
 
 describe('interceptorRejected', () => {
+	let interceptorRejected: (value: AxiosResponse) => Promise<AxiosResponse>;
+
+	beforeAll(async () => {
+		vi.resetModules();
+		const mod = await import('./index');
+		interceptorRejected = mod.interceptorRejected;
+	});
+
 	beforeEach(() => {
-		jest.clearAllMocks();
-		(axios as unknown as jest.Mock).mockResolvedValue({ data: 'success' });
-		(axios.isAxiosError as unknown as jest.Mock).mockReturnValue(true);
+		vi.clearAllMocks();
+		retryRequestMock.mockResolvedValue({
+			data: 'success',
+		} as unknown as AxiosResponse<{ data: string }>);
+		(
+			axios.isAxiosError as unknown as {
+				mockReturnValue: (value: boolean) => void;
+			}
+		).mockReturnValue(true);
 	});
 
 	it('should preserve array payload structure when retrying a 401 request', async () => {
@@ -75,11 +94,12 @@ describe('interceptorRejected', () => {
 			// Expected to reject after retry
 		}
 
-		const mockAxiosFn = axios as unknown as jest.Mock;
-		expect(mockAxiosFn.mock.calls).toHaveLength(1);
-		const retryCallConfig = mockAxiosFn.mock.calls[0][0];
-		expect(Array.isArray(JSON.parse(retryCallConfig.data))).toBe(true);
-		expect(JSON.parse(retryCallConfig.data)).toStrictEqual(arrayPayload);
+		expect(retryRequestMock).toHaveBeenCalledTimes(1);
+		const retryCallConfig = retryRequestMock.mock.calls[0][0];
+		expect(Array.isArray(JSON.parse(retryCallConfig.data as string))).toBe(true);
+		expect(JSON.parse(retryCallConfig.data as string)).toStrictEqual(
+			arrayPayload,
+		);
 	});
 
 	it('should preserve object payload structure when retrying a 401 request', async () => {
@@ -111,10 +131,11 @@ describe('interceptorRejected', () => {
 			// Expected to reject after retry
 		}
 
-		const mockAxiosFn = axios as unknown as jest.Mock;
-		expect(mockAxiosFn.mock.calls).toHaveLength(1);
-		const retryCallConfig = mockAxiosFn.mock.calls[0][0];
-		expect(JSON.parse(retryCallConfig.data)).toStrictEqual(objectPayload);
+		expect(retryRequestMock).toHaveBeenCalledTimes(1);
+		const retryCallConfig = retryRequestMock.mock.calls[0][0];
+		expect(JSON.parse(retryCallConfig.data as string)).toStrictEqual(
+			objectPayload,
+		);
 	});
 
 	it('should handle undefined data gracefully when retrying', async () => {
@@ -144,9 +165,8 @@ describe('interceptorRejected', () => {
 			// Expected to reject after retry
 		}
 
-		const mockAxiosFn = axios as unknown as jest.Mock;
-		expect(mockAxiosFn.mock.calls).toHaveLength(1);
-		const retryCallConfig = mockAxiosFn.mock.calls[0][0];
+		expect(retryRequestMock).toHaveBeenCalledTimes(1);
+		const retryCallConfig = retryRequestMock.mock.calls[0][0];
 		expect(retryCallConfig.data).toBeUndefined();
 	});
 });

frontend/src/api/interceptors.ts

@@ -0,0 +1,17 @@
+import axios, {
+	AxiosHeaders,
+	AxiosResponse,
+	InternalAxiosRequestConfig,
+} from 'axios';
+
+export async function retryRequestAfterAuth(
+	valueConfig: InternalAxiosRequestConfig,
+	accessToken: string,
+): Promise<AxiosResponse> {
+	const headers = new AxiosHeaders(valueConfig.headers);
+	headers.set('Authorization', `Bearer ${accessToken}`);
+	return axios({
+		...valueConfig,
+		headers,
+	});
+}

frontend/src/api/v5/queryRange/convertV5Response.test.ts

@@ -1,3 +1,4 @@
+import { describe, expect, it } from 'vitest';
 import { SuccessResponse } from 'types/api';
 import {
 	MetricRangePayloadV5,

frontend/src/api/v5/queryRange/prepareQueryRangePayloadV5.test.ts

@@ -1,5 +1,7 @@
+import { describe, expect, it, vi } from 'vitest';
 import { PANEL_TYPES } from 'constants/queryBuilder';
 import { GetQueryResultsProps } from 'lib/dashboard/getQueryResults';
+import getStartEndRangeTime from 'lib/getStartEndRangeTime';
 import { DataTypes } from 'types/api/queryBuilder/queryAutocompleteResponse';
 import {
 	IBuilderFormula,
@@ -20,9 +22,9 @@ import { DataSource, ReduceOperators } from 'types/common/queryBuilder';
 
 import { prepareQueryRangePayloadV5 } from './prepareQueryRangePayloadV5';
 
-jest.mock('lib/getStartEndRangeTime', () => ({
+vi.mock('lib/getStartEndRangeTime', () => ({
 	__esModule: true,
-	default: jest.fn(() => ({ start: '100', end: '200' })),
+	default: vi.fn(() => ({ start: '100', end: '200' })),
 }));
 
 describe('prepareQueryRangePayloadV5', () => {
@@ -515,9 +517,7 @@ describe('prepareQueryRangePayloadV5', () => {
 	});
 
 	it('maps groupBy, order, having, aggregations and filter for logs builder query', () => {
-		const getStartEndRangeTime = jest.requireMock('lib/getStartEndRangeTime')
-			.default as jest.Mock;
-		getStartEndRangeTime.mockReturnValueOnce({
+		vi.mocked(getStartEndRangeTime).mockReturnValueOnce({
 			start: '1754623641',
 			end: '1754645241',
 		});

frontend/src/components/AppLoading/__tests__/AppLoading.test.tsx

@@ -1,15 +1,16 @@
 import { render, screen } from '@testing-library/react';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 import getLocal from '../../../api/browser/localstorage/get';
 import AppLoading from '../AppLoading';
 
-jest.mock('../../../api/browser/localstorage/get', () => ({
+vi.mock('../../../api/browser/localstorage/get', () => ({
 	__esModule: true,
-	default: jest.fn(),
+	default: vi.fn(),
 }));
 
 // Access the mocked function
-const mockGet = getLocal as unknown as jest.Mock;
+const mockGet = vi.mocked(getLocal);
 
 describe('AppLoading', () => {
 	const SIGNOZ_TEXT = 'SigNoz';
@@ -18,12 +19,12 @@ describe('AppLoading', () => {
 	const CONTAINER_SELECTOR = '.app-loading-container';
 
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	it('should render loading screen with dark theme by default', () => {
 		// Mock localStorage to return dark theme (or undefined for default)
-		mockGet.mockReturnValue(undefined);
+		mockGet.mockReturnValue(null);
 
 		render(<AppLoading />);
 
@@ -40,14 +41,17 @@ describe('AppLoading', () => {
 
 	it('should have proper structure and content', () => {
 		// Mock localStorage to return dark theme
-		mockGet.mockReturnValue(undefined);
+		mockGet.mockReturnValue(null);
 
 		render(<AppLoading />);
 
 		// Check for brand logo
 		const logo = screen.getByAltText(SIGNOZ_TEXT);
 		expect(logo).toBeInTheDocument();
-		expect(logo).toHaveAttribute('src', 'test-file-stub');
+		expect(logo).toHaveAttribute(
+			'src',
+			expect.stringContaining('data:image/svg+xml'),
+		);
 
 		// Check for brand title
 		const title = screen.getByText(SIGNOZ_TEXT);

frontend/src/components/ChangelogModal/__test__/ChangelogModal.test.tsx

@@ -1,12 +1,12 @@
 /* eslint-disable @typescript-eslint/explicit-function-return-type */
 
 import { fireEvent, render, screen } from '@testing-library/react';
-import { USER_PREFERENCES } from 'constants/userPreferences';
 import MockQueryClientProvider from 'providers/test/MockQueryClientProvider';
 import {
 	ChangelogSchema,
 	DeploymentType,
 } from 'types/api/changelog/getChangelogByVersion';
+import { describe, expect, it, vi } from 'vitest';
 
 import ChangelogModal from '../ChangelogModal';
 
@@ -37,27 +37,25 @@ const mockChangelog: ChangelogSchema = {
 };
 
 // Mock react-markdown to just render children as plain text
-jest.mock(
-	'react-markdown',
-	() =>
-		function ReactMarkdown({ children }: any) {
-			return <div>{children}</div>;
-		},
-);
+vi.mock('react-markdown', () => ({
+	default: function ReactMarkdown({ children }: any) {
+		return <div>{children}</div>;
+	},
+}));
 // mock useAppContext
-jest.mock('providers/App/App', () => ({
-	useAppContext: jest.fn(() => ({
-		updateUserPreferenceInContext: jest.fn(),
+vi.mock('providers/App/App', () => ({
+	useAppContext: vi.fn(() => ({
+		updateUserPreferenceInContext: vi.fn(),
 		userPreferences: [
 			{
-				name: USER_PREFERENCES.LAST_SEEN_CHANGELOG_VERSION,
+				name: 'last_seen_changelog_version',
 				value: 'v1.0.0',
 			},
 		],
 	})),
 }));
 
-function renderChangelog(onClose: () => void = jest.fn()): void {
+function renderChangelog(onClose: () => void = vi.fn()): void {
 	render(
 		<MockQueryClientProvider>
 			<ChangelogModal changelog={mockChangelog} onClose={onClose} />
@@ -78,14 +76,14 @@ describe('ChangelogModal', () => {
 	});
 
 	it('calls onClose when Skip for now is clicked', () => {
-		const onClose = jest.fn();
+		const onClose = vi.fn();
 		renderChangelog(onClose);
 		fireEvent.click(screen.getByText('Skip for now'));
 		expect(onClose).toHaveBeenCalled();
 	});
 
 	it('opens migration docs when Update my workspace is clicked', () => {
-		window.open = jest.fn();
+		window.open = vi.fn();
 		renderChangelog();
 		fireEvent.click(screen.getByText('Update my workspace'));
 		expect(window.open).toHaveBeenCalledWith(
@@ -100,7 +98,7 @@ describe('ChangelogModal', () => {
 		const scrollBtn = screen.getByTestId('scroll-more-btn');
 		const contentDiv = screen.getByTestId('changelog-content');
 		if (contentDiv) {
-			contentDiv.scrollTo = jest.fn();
+			contentDiv.scrollTo = vi.fn();
 		}
 		fireEvent.click(scrollBtn);
 		if (contentDiv) {

frontend/src/components/ChangelogModal/__test__/ChangelogRenderer.test.tsx

@@ -1,6 +1,7 @@
 /* eslint-disable @typescript-eslint/explicit-function-return-type */
 
 import { render, screen } from '@testing-library/react';
+import { describe, expect, it, vi } from 'vitest';
 import {
 	ChangelogSchema,
 	DeploymentType,
@@ -9,13 +10,11 @@ import {
 import ChangelogRenderer from '../components/ChangelogRenderer';
 
 // Mock react-markdown to just render children as plain text
-jest.mock(
-	'react-markdown',
-	() =>
-		function ReactMarkdown({ children }: any) {
-			return <div>{children}</div>;
-		},
-);
+vi.mock('react-markdown', () => ({
+	default: function ReactMarkdown({ children }: any) {
+		return <div>{children}</div>;
+	},
+}));
 
 const mockChangelog: ChangelogSchema = {
 	id: 1,

frontend/src/components/CodeBlock/CodeBlock.test.tsx

@@ -1,16 +1,40 @@
 import { fireEvent, render, screen, waitFor } from '@testing-library/react';
+import type { ReactNode } from 'react';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 import CodeBlock from './CodeBlock';
 
-const mockCopyToClipboard = jest.fn();
+const { mockCopyToClipboard } = vi.hoisted(() => ({
+	mockCopyToClipboard: vi.fn(),
+}));
 
-jest.mock('react-use', () => ({
+vi.mock('react-use', () => ({
 	useCopyToClipboard: (): [unknown, (text: string) => void] => [
 		undefined,
 		mockCopyToClipboard,
 	],
 }));
 
+vi.mock('@signozhq/icons', () => ({
+	Check: (): null => null,
+	Copy: (): null => null,
+}));
+
+vi.mock('@signozhq/ui', async () => {
+	const React = await vi.importActual<typeof import('react')>('react');
+
+	return {
+		Button: ({
+			prefix,
+			...props
+		}: {
+			prefix?: ReactNode;
+			[key: string]: unknown;
+		}): ReturnType<typeof React.createElement> =>
+			React.createElement('button', props, prefix),
+	};
+});
+
 describe('CodeBlock', () => {
 	beforeEach(() => {
 		mockCopyToClipboard.mockReset();
@@ -33,7 +57,7 @@ describe('CodeBlock', () => {
 	});
 
 	it('copies code and triggers callback', async () => {
-		const onCopy = jest.fn();
+		const onCopy = vi.fn();
 		render(<CodeBlock code="SELECT * FROM logs;" onCopy={onCopy} />);
 
 		fireEvent.click(screen.getByRole('button', { name: /copy code/i }));

frontend/src/components/CreateServiceAccountModal/__tests__/CreateServiceAccountModal.test.tsx

@@ -1,28 +1,49 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import { toast } from '@signozhq/ui';
 import { rest, server } from 'mocks-server/server';
 import { NuqsTestingAdapter } from 'nuqs/adapters/testing';
-import {
-	render,
-	screen,
-	userEvent,
-	waitFor,
-	waitForElementToBeRemoved,
-} from 'tests/test-utils';
+import { render, screen, userEvent, waitFor } from 'tests/test-utils';
 
 import CreateServiceAccountModal from '../CreateServiceAccountModal';
 
-jest.mock('@signozhq/ui', () => ({
-	...jest.requireActual('@signozhq/ui'),
-	toast: { success: jest.fn(), error: jest.fn() },
+vi.mock('@signozhq/icons', () => ({
+	X: ({ size: _size }: any): JSX.Element => <span aria-hidden="true" />,
 }));
 
-const mockToast = jest.mocked(toast);
+vi.mock('@signozhq/ui', () => ({
+	Button: ({
+		children,
+		loading: _loading,
+		variant: _variant,
+		color: _color,
+		...props
+	}: any): JSX.Element => <button {...props}>{children}</button>,
+	DialogFooter: ({ children, ...props }: any): JSX.Element => (
+		<div {...props}>{children}</div>
+	),
+	DialogWrapper: ({ title, open, children }: any): JSX.Element | null =>
+		open ? (
+			<div role="dialog" aria-label={title}>
+				{children}
+			</div>
+		) : null,
+	Input: (props: any): JSX.Element => <input {...props} />,
+	toast: { success: vi.fn(), error: vi.fn() },
+}));
 
-const showErrorModal = jest.fn();
-jest.mock('providers/ErrorModalProvider', () => ({
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: ReturnType<typeof vi.fn> } => ({
+		safeNavigate: vi.fn(),
+	}),
+}));
+
+const mockToast = vi.mocked(toast);
+
+const showErrorModal = vi.hoisted(() => vi.fn());
+vi.mock('providers/ErrorModalProvider', async () => ({
 	__esModule: true,
-	...jest.requireActual('providers/ErrorModalProvider'),
-	useErrorModal: jest.fn(() => ({
+	...(await vi.importActual('providers/ErrorModalProvider')),
+	useErrorModal: vi.fn(() => ({
 		showErrorModal,
 		isErrorModalVisible: false,
 	})),
@@ -40,7 +61,7 @@ function renderModal(): ReturnType<typeof render> {
 
 describe('CreateServiceAccountModal', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 		server.use(
 			rest.post(SERVICE_ACCOUNTS_ENDPOINT, (_, res, ctx) =>
 				res(ctx.status(201), ctx.json({ status: 'success', data: {} })),
@@ -126,12 +147,16 @@ describe('CreateServiceAccountModal', () => {
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
 		renderModal();
 
-		const dialog = await screen.findByRole('dialog', {
+		await screen.findByRole('dialog', {
 			name: /New Service Account/i,
 		});
 		await user.click(screen.getByRole('button', { name: /Cancel/i }));
 
-		await waitForElementToBeRemoved(dialog);
+		await waitFor(() => {
+			expect(
+				screen.queryByRole('dialog', { name: /New Service Account/i }),
+			).not.toBeInTheDocument();
+		});
 	});
 
 	it('shows "Name is required" after clearing the name field', async () => {

frontend/src/components/CustomTimePicker/CustomTimePicker.test.tsx

@@ -1,36 +1,37 @@
 import { useState } from 'react';
 import { fireEvent, render, screen } from '@testing-library/react';
 import dayjs from 'dayjs';
+import { describe, expect, it, vi } from 'vitest';
 import * as timeUtils from 'utils/timeUtils';
 
 import CustomTimePicker from './CustomTimePicker';
 
-jest.mock('react-router-dom', () => {
-	const actual = jest.requireActual('react-router-dom');
+vi.mock('react-router-dom', async () => {
+	const actual = await vi.importActual('react-router-dom');
 
 	return {
 		...actual,
-		useLocation: jest.fn().mockReturnValue({
+		useLocation: vi.fn().mockReturnValue({
 			pathname: '/test-path',
 		}),
 	};
 });
 
-jest.mock('react-redux', () => ({
-	...jest.requireActual('react-redux'),
-	useDispatch: jest.fn(() => jest.fn()),
-	useSelector: jest.fn(() => ({
+vi.mock('react-redux', async () => ({
+	...(await vi.importActual('react-redux')),
+	useDispatch: vi.fn(() => vi.fn()),
+	useSelector: vi.fn(() => ({
 		minTime: 0,
 		maxTime: Date.now(),
 	})),
 }));
 
-jest.mock('providers/Timezone', () => {
-	const actual = jest.requireActual('providers/Timezone');
+vi.mock('providers/Timezone', async () => {
+	const actual = await vi.importActual('providers/Timezone');
 
 	return {
 		...actual,
-		useTimezone: jest.fn().mockReturnValue({
+		useTimezone: vi.fn().mockReturnValue({
 			timezone: {
 				value: 'UTC',
 				offset: '+00:00',
@@ -45,6 +46,30 @@ jest.mock('providers/Timezone', () => {
 	};
 });
 
+vi.mock('@signozhq/ui', () => ({
+	Button: ({
+		children,
+		prefix,
+		variant: _variant,
+		color: _color,
+		...props
+	}: React.ButtonHTMLAttributes<HTMLButtonElement> & {
+		prefix?: React.ReactNode;
+		variant?: string;
+		color?: string;
+	}): JSX.Element => (
+		<button type="button" {...props}>
+			{prefix}
+			{children}
+		</button>
+	),
+	Calendar: (): JSX.Element => <div data-testid="mock-calendar" />,
+}));
+
+vi.mock('hooks/useZoomOut', () => ({
+	useZoomOut: vi.fn(() => vi.fn()),
+}));
+
 interface WrapperProps {
 	initialValue?: string;
 	showLiveLogs?: boolean;
@@ -123,8 +148,8 @@ describe('CustomTimePicker', () => {
 	});
 
 	it('applies valid shorthand on Enter', () => {
-		const onValid = jest.fn();
-		const onError = jest.fn();
+		const onValid = vi.fn();
+		const onError = vi.fn();
 
 		render(<Wrapper onValidCustomDateChange={onValid} onError={onError} />);
 
@@ -141,9 +166,9 @@ describe('CustomTimePicker', () => {
 	});
 
 	it('sets error and updates custom time status for invalid shorthand exceeding max allowed window', () => {
-		const onValid = jest.fn();
-		const onError = jest.fn();
-		const onCustomTimeStatusUpdate = jest.fn();
+		const onValid = vi.fn();
+		const onError = vi.fn();
+		const onCustomTimeStatusUpdate = vi.fn();
 
 		render(
 			<Wrapper
@@ -166,8 +191,8 @@ describe('CustomTimePicker', () => {
 	});
 
 	it('treats close after change like pressing Enter (blur + chevron)', () => {
-		const onValid = jest.fn();
-		const onError = jest.fn();
+		const onValid = vi.fn();
+		const onError = vi.fn();
 
 		render(<Wrapper onValidCustomDateChange={onValid} onError={onError} />);
 
@@ -191,8 +216,8 @@ describe('CustomTimePicker', () => {
 	});
 
 	it('applies epoch start/end range on Enter via onCustomDateHandler', () => {
-		const onCustomDateHandler = jest.fn();
-		const onError = jest.fn();
+		const onCustomDateHandler = vi.fn();
+		const onError = vi.fn();
 
 		render(
 			<Wrapper onCustomDateHandler={onCustomDateHandler} onError={onError} />,
@@ -213,9 +238,9 @@ describe('CustomTimePicker', () => {
 	});
 
 	it('uses validateTimeRange result for generic formatted ranges (valid case)', () => {
-		const validateTimeRangeSpy = jest.spyOn(timeUtils, 'validateTimeRange');
-		const onCustomDateHandler = jest.fn();
-		const onError = jest.fn();
+		const validateTimeRangeSpy = vi.spyOn(timeUtils, 'validateTimeRange');
+		const onCustomDateHandler = vi.fn();
+		const onError = vi.fn();
 
 		validateTimeRangeSpy.mockReturnValue({
 			isValid: true,
@@ -244,9 +269,9 @@ describe('CustomTimePicker', () => {
 	});
 
 	it('uses validateTimeRange result for generic formatted ranges (invalid case)', () => {
-		const validateTimeRangeSpy = jest.spyOn(timeUtils, 'validateTimeRange');
-		const onValid = jest.fn();
-		const onError = jest.fn();
+		const validateTimeRangeSpy = vi.spyOn(timeUtils, 'validateTimeRange');
+		const onValid = vi.fn();
+		const onError = vi.fn();
 
 		validateTimeRangeSpy.mockReturnValue({
 			isValid: false,

frontend/src/components/CustomTimePicker/__tests__/customTimePickerZoomOut.test.tsx

@@ -2,23 +2,33 @@ import { render, screen } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import { QueryParams } from 'constants/query';
 import { GlobalReducer } from 'types/reducer/globalTime';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Mock } from 'vitest';
 
 import CustomTimePicker from '../CustomTimePicker';
 
-const MS_PER_MIN = 60 * 1000;
-const NOW_MS = 1705312800000;
-
-const mockDispatch = jest.fn();
-const mockSafeNavigate = jest.fn();
-const mockUrlQueryDelete = jest.fn();
-const mockUrlQuerySet = jest.fn();
+const {
+	MS_PER_MIN,
+	NOW_MS,
+	mockDispatch,
+	mockSafeNavigate,
+	mockUrlQueryDelete,
+	mockUrlQuerySet,
+} = vi.hoisted(() => ({
+	MS_PER_MIN: 60 * 1000,
+	NOW_MS: 1705312800000,
+	mockDispatch: vi.fn(),
+	mockSafeNavigate: vi.fn(),
+	mockUrlQueryDelete: vi.fn(),
+	mockUrlQuerySet: vi.fn(),
+}));
 
 interface MockAppState {
 	globalTime: Pick<GlobalReducer, 'minTime' | 'maxTime'>;
 }
 
-jest.mock('react-redux', () => ({
-	useDispatch: (): jest.Mock => mockDispatch,
+vi.mock('react-redux', () => ({
+	useDispatch: (): Mock => mockDispatch,
 	useSelector: (selector: (state: MockAppState) => unknown): unknown => {
 		const mockState: MockAppState = {
 			globalTime: {
@@ -30,8 +40,8 @@ jest.mock('react-redux', () => ({
 	},
 }));
 
-jest.mock('hooks/useSafeNavigate', () => ({
-	useSafeNavigate: (): { safeNavigate: jest.Mock } => ({
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: Mock } => ({
 		safeNavigate: mockSafeNavigate,
 	}),
 }));
@@ -43,7 +53,7 @@ interface MockUrlQuery {
 	toString: () => string;
 }
 
-jest.mock('hooks/useUrlQuery', () => ({
+vi.mock('hooks/useUrlQuery', () => ({
 	__esModule: true,
 	default: (): MockUrlQuery => ({
 		delete: mockUrlQueryDelete,
@@ -53,26 +63,46 @@ jest.mock('hooks/useUrlQuery', () => ({
 	}),
 }));
 
-jest.mock('providers/Timezone', () => ({
+vi.mock('providers/Timezone', () => ({
 	useTimezone: (): { timezone: { value: string; offset: string } } => ({
 		timezone: { value: 'UTC', offset: 'UTC' },
 	}),
 }));
 
-jest.mock('react-router-dom', () => ({
+vi.mock('react-router-dom', () => ({
 	useLocation: (): { pathname: string } => ({ pathname: '/logs-explorer' }),
 }));
 
+vi.mock('@signozhq/ui', () => ({
+	Button: ({
+		children,
+		prefix,
+		variant: _variant,
+		color: _color,
+		...props
+	}: React.ButtonHTMLAttributes<HTMLButtonElement> & {
+		prefix?: React.ReactNode;
+		variant?: string;
+		color?: string;
+	}): JSX.Element => (
+		<button type="button" {...props}>
+			{prefix}
+			{children}
+		</button>
+	),
+	Calendar: (): JSX.Element => <div data-testid="mock-calendar" />,
+}));
+
 const MS_PER_DAY = 24 * 60 * 60 * 1000;
 const now = Date.now();
 const defaultProps = {
-	onSelect: jest.fn(),
-	onError: jest.fn(),
+	onSelect: vi.fn(),
+	onError: vi.fn(),
 	selectedValue: '15m',
 	selectedTime: '15m',
-	onValidCustomDateChange: jest.fn(),
+	onValidCustomDateChange: vi.fn(),
 	open: false,
-	setOpen: jest.fn(),
+	setOpen: vi.fn(),
 	items: [
 		{ value: '15m', label: 'Last 15 minutes' },
 		{ value: '1h', label: 'Last 1 hour' },
@@ -83,12 +113,12 @@ const defaultProps = {
 
 describe('CustomTimePicker - zoom out button', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
-		jest.spyOn(Date, 'now').mockReturnValue(NOW_MS);
+		vi.clearAllMocks();
+		vi.spyOn(Date, 'now').mockReturnValue(NOW_MS);
 	});
 
 	afterEach(() => {
-		jest.restoreAllMocks();
+		vi.restoreAllMocks();
 	});
 
 	it('should render zoom out button when showLiveLogs is false', () => {

frontend/src/components/DownloadOptionsMenu/DownloadOptionsMenu.test.tsx

@@ -1,3 +1,6 @@
+import type { Mock } from 'vitest';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
 // eslint-disable-next-line no-restricted-imports
 import { Provider } from 'react-redux';
 import { fireEvent, render, screen, waitFor } from '@testing-library/react';
@@ -13,25 +16,28 @@ import '@testing-library/jest-dom';
 import { DownloadFormats, DownloadRowCounts } from './constants';
 import DownloadOptionsMenu from './DownloadOptionsMenu';
 
-const mockDownloadExportData = jest.fn().mockResolvedValue(undefined);
-jest.mock('api/v1/download/downloadExportData', () => ({
+const { mockDownloadExportData, mockUseQueryBuilder } = vi.hoisted(() => ({
+	mockDownloadExportData: vi.fn().mockResolvedValue(undefined),
+	mockUseQueryBuilder: vi.fn(),
+}));
+
+vi.mock('api/v1/download/downloadExportData', () => ({
 	downloadExportData: (...args: any[]): any => mockDownloadExportData(...args),
 	default: (...args: any[]): any => mockDownloadExportData(...args),
 }));
 
-jest.mock('antd', () => {
-	const actual = jest.requireActual('antd');
+vi.mock('antd', async () => {
+	const actual = await vi.importActual<typeof import('antd')>('antd');
 	return {
 		...actual,
 		message: {
-			success: jest.fn(),
-			error: jest.fn(),
+			success: vi.fn(),
+			error: vi.fn(),
 		},
 	};
 });
 
-const mockUseQueryBuilder = jest.fn();
-jest.mock('hooks/queryBuilder/useQueryBuilder', () => ({
+vi.mock('hooks/queryBuilder/useQueryBuilder', () => ({
 	useQueryBuilder: (): any => mockUseQueryBuilder(),
 }));
 
@@ -95,8 +101,8 @@ describe.each([
 
 	beforeEach(() => {
 		mockDownloadExportData.mockReset().mockResolvedValue(undefined);
-		(message.success as jest.Mock).mockReset();
-		(message.error as jest.Mock).mockReset();
+		(message.success as Mock).mockReset();
+		(message.error as Mock).mockReset();
 		mockUseQueryBuilder.mockReturnValue({
 			stagedQuery: createMockStagedQuery(dataSource),
 		});
@@ -307,7 +313,11 @@ describe.each([
 		fireEvent.click(screen.getByText('Export'));
 
 		expect(screen.getByTestId(testId)).toBeDisabled();
-		expect(screen.queryByRole('dialog')).not.toBeInTheDocument();
+		await waitFor(() => {
+			expect(screen.getByRole('dialog').closest('.ant-popover')).toHaveStyle({
+				pointerEvents: 'none',
+			});
+		});
 
 		resolveDownload!();
 
@@ -323,7 +333,7 @@ describe('DownloadOptionsMenu for traces with queryTraceOperator', () => {
 
 	beforeEach(() => {
 		mockDownloadExportData.mockReset().mockResolvedValue(undefined);
-		(message.success as jest.Mock).mockReset();
+		(message.success as Mock).mockReset();
 	});
 
 	it('applies limit and clears groupBy on queryTraceOperator entries', async () => {

frontend/src/components/DraggableTableRow/tests/DraggableTableRow.test.tsx

@@ -1,27 +1,28 @@
 import { render } from '@testing-library/react';
 import { Table } from 'antd';
+import { beforeAll, describe, expect, it, vi } from 'vitest';
 
 import DraggableTableRow from '..';
 
 beforeAll(() => {
 	Object.defineProperty(window, 'matchMedia', {
 		writable: true,
-		value: jest.fn().mockImplementation((query) => ({
+		value: vi.fn().mockImplementation((query) => ({
 			matches: false,
 			media: query,
 			onchange: null,
-			addListener: jest.fn(),
-			removeListener: jest.fn(),
-			addEventListener: jest.fn(),
-			removeEventListener: jest.fn(),
-			dispatchEvent: jest.fn(),
+			addListener: vi.fn(),
+			removeListener: vi.fn(),
+			addEventListener: vi.fn(),
+			removeEventListener: vi.fn(),
+			dispatchEvent: vi.fn(),
 		})),
 	});
 });
 
-jest.mock('react-dnd', () => ({
-	useDrop: jest.fn().mockImplementation(() => [jest.fn(), jest.fn(), jest.fn()]),
-	useDrag: jest.fn().mockImplementation(() => [jest.fn(), jest.fn(), jest.fn()]),
+vi.mock('react-dnd', () => ({
+	useDrop: vi.fn().mockImplementation(() => [vi.fn(), vi.fn(), vi.fn()]),
+	useDrag: vi.fn().mockImplementation(() => [vi.fn(), vi.fn(), vi.fn()]),
 }));
 
 describe('DraggableTableRow Snapshot test', () => {

frontend/src/components/DraggableTableRow/tests/__snapshots__/DraggableTableRow.test.tsx.snap

@@ -1,6 +1,6 @@
-// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
-exports[`DraggableTableRow Snapshot test should render DraggableTableRow 1`] = `
+exports[`DraggableTableRow Snapshot test > should render DraggableTableRow 1`] = `
 <DocumentFragment>
   <div
     class="ant-table-wrapper css-dev-only-do-not-override-2i2tap"

frontend/src/components/DraggableTableRow/tests/utils.test.ts

@@ -1,14 +1,16 @@
+import { describe, expect, it, vi } from 'vitest';
+
 import { dragHandler, dropHandler } from '../utils';
 
-jest.mock('react-dnd', () => ({
-	useDrop: jest.fn().mockImplementation(() => [jest.fn(), jest.fn(), jest.fn()]),
-	useDrag: jest.fn().mockImplementation(() => [jest.fn(), jest.fn(), jest.fn()]),
+vi.mock('react-dnd', () => ({
+	useDrop: vi.fn().mockImplementation(() => [vi.fn(), vi.fn(), vi.fn()]),
+	useDrag: vi.fn().mockImplementation(() => [vi.fn(), vi.fn(), vi.fn()]),
 }));
 
 describe('Utils testing of DraggableTableRow component', () => {
 	it('Should dropHandler return true', () => {
 		const monitor = {
-			isOver: jest.fn().mockReturnValueOnce(true),
+			isOver: vi.fn().mockReturnValueOnce(true),
 		} as never;
 		const dropDataTruthy = dropHandler(monitor);
 
@@ -17,7 +19,7 @@ describe('Utils testing of DraggableTableRow component', () => {
 
 	it('Should dropHandler return false', () => {
 		const monitor = {
-			isOver: jest.fn().mockReturnValueOnce(false),
+			isOver: vi.fn().mockReturnValueOnce(false),
 		} as never;
 		const dropDataFalsy = dropHandler(monitor);
 
@@ -26,7 +28,7 @@ describe('Utils testing of DraggableTableRow component', () => {
 
 	it('Should dragHandler return true', () => {
 		const monitor = {
-			isDragging: jest.fn().mockReturnValueOnce(true),
+			isDragging: vi.fn().mockReturnValueOnce(true),
 		} as never;
 		const dragDataTruthy = dragHandler(monitor);
 
@@ -35,7 +37,7 @@ describe('Utils testing of DraggableTableRow component', () => {
 
 	it('Should dragHandler return false', () => {
 		const monitor = {
-			isDragging: jest.fn().mockReturnValueOnce(false),
+			isDragging: vi.fn().mockReturnValueOnce(false),
 		} as never;
 		const dragDataFalsy = dragHandler(monitor);
 

frontend/src/components/EditMemberDrawer/__tests__/EditMemberDrawer.test.tsx

@@ -1,6 +1,9 @@
-import type { ReactNode } from 'react';
+import type { ChangeEventHandler, ReactNode } from 'react';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Mock } from 'vitest';
 import { toast } from '@signozhq/ui';
 import { convertToApiError } from 'api/ErrorResponseHandlerForGeneratedAPIs';
+import { useListRoles } from 'api/generated/services/role';
 import {
 	useCreateResetPasswordToken,
 	useDeleteUser,
@@ -15,88 +18,138 @@ import {
 	listRolesSuccessResponse,
 	managedRoles,
 } from 'mocks-server/__mockdata__/roles';
-import { rest, server } from 'mocks-server/server';
 import { render, screen, userEvent, waitFor } from 'tests/test-utils';
 
 import EditMemberDrawer, { EditMemberDrawerProps } from '../EditMemberDrawer';
 
-jest.mock('api/generated/services/users', () => ({
-	useDeleteUser: jest.fn(),
-	useGetUser: jest.fn(),
-	useUpdateUser: jest.fn(),
-	useUpdateMyUserV2: jest.fn(),
-	useSetRoleByUserID: jest.fn(),
-	useGetResetPasswordToken: jest.fn(),
-	useCreateResetPasswordToken: jest.fn(),
+vi.mock('api/generated/services/role', async () => {
+	const actual = await vi.importActual<
+		typeof import('api/generated/services/role')
+	>('api/generated/services/role');
+	return {
+		...actual,
+		useListRoles: vi.fn(),
+	};
+});
+
+vi.mock('api/generated/services/users', () => ({
+	useDeleteUser: vi.fn(),
+	useGetUser: vi.fn(),
+	useUpdateUser: vi.fn(),
+	useUpdateMyUserV2: vi.fn(),
+	useSetRoleByUserID: vi.fn(),
+	useGetResetPasswordToken: vi.fn(),
+	useCreateResetPasswordToken: vi.fn(),
 }));
 
-jest.mock('api/ErrorResponseHandlerForGeneratedAPIs', () => ({
-	convertToApiError: jest.fn(),
+vi.mock('api/ErrorResponseHandlerForGeneratedAPIs', () => ({
+	convertToApiError: vi.fn(),
 }));
 
-jest.mock('@signozhq/ui', () => ({
-	...jest.requireActual('@signozhq/ui'),
-	DrawerWrapper: ({
-		children,
-		footer,
-		open,
-	}: {
-		children?: ReactNode;
-		footer?: ReactNode;
-		open: boolean;
-	}): JSX.Element | null =>
-		open ? (
-			<div>
-				{children}
-				{footer}
-			</div>
-		) : null,
-	DialogWrapper: ({
-		children,
-		footer,
-		open,
-		title,
-	}: {
-		children?: ReactNode;
-		footer?: ReactNode;
-		open: boolean;
-		title?: string;
-	}): JSX.Element | null =>
-		open ? (
-			<div role="dialog" aria-label={title}>
-				{children}
-				{footer}
-			</div>
-		) : null,
-	DialogFooter: ({ children }: { children?: ReactNode }): JSX.Element => (
-		<div>{children}</div>
-	),
-	toast: {
-		success: jest.fn(),
-		error: jest.fn(),
-	},
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): Mock => vi.fn(),
 }));
 
-const mockCopyToClipboard = jest.fn();
-const mockCopyState = { value: undefined, error: undefined };
+vi.mock('@signozhq/ui', async () => {
+	const React = await vi.importActual<typeof import('react')>('react');
 
-jest.mock('react-use', () => ({
+	return {
+		Badge: ({ children }: { children?: ReactNode }): JSX.Element =>
+			React.createElement('span', null, children),
+		Button: ({
+			children,
+			disabled,
+			onClick,
+			prefix,
+		}: {
+			children?: ReactNode;
+			disabled?: boolean;
+			onClick?: () => void;
+			prefix?: ReactNode;
+		}): JSX.Element =>
+			React.createElement('button', { disabled, onClick }, prefix, children),
+		DrawerWrapper: ({
+			children,
+			footer,
+			open,
+		}: {
+			children?: ReactNode;
+			footer?: ReactNode;
+			open: boolean;
+		}): JSX.Element | null =>
+			open ? React.createElement('div', null, children, footer) : null,
+		DialogWrapper: ({
+			children,
+			footer,
+			open,
+			title,
+		}: {
+			children?: ReactNode;
+			footer?: ReactNode;
+			open: boolean;
+			title?: string;
+		}): JSX.Element | null =>
+			open
+				? React.createElement(
+						'div',
+						{ role: 'dialog', 'aria-label': title },
+						children,
+						footer,
+					)
+				: null,
+		DialogFooter: ({ children }: { children?: ReactNode }): JSX.Element =>
+			React.createElement('div', null, children),
+		Input: ({
+			disabled,
+			id,
+			onChange,
+			placeholder,
+			value,
+		}: {
+			disabled?: boolean;
+			id?: string;
+			onChange?: ChangeEventHandler<HTMLInputElement>;
+			placeholder?: string;
+			value?: string;
+		}): JSX.Element =>
+			React.createElement('input', {
+				disabled,
+				id,
+				onChange,
+				placeholder,
+				value,
+			}),
+		toast: {
+			success: vi.fn(),
+			error: vi.fn(),
+		},
+	};
+});
+
+const { mockCopyToClipboard, mockCopyState, showErrorModal } = vi.hoisted(
+	() => ({
+		mockCopyToClipboard: vi.fn(),
+		mockCopyState: { value: undefined, error: undefined },
+		showErrorModal: vi.fn(),
+	}),
+);
+
+vi.mock('react-use', () => ({
 	useCopyToClipboard: (): [typeof mockCopyState, typeof mockCopyToClipboard] => [
 		mockCopyState,
 		mockCopyToClipboard,
 	],
 }));
 
-const ROLES_ENDPOINT = '*/api/v1/roles';
+const mockDeleteMutate = vi.fn();
+const mockCreateTokenMutateAsync = vi.fn();
 
-const mockDeleteMutate = jest.fn();
-const mockCreateTokenMutateAsync = jest.fn();
-
-const showErrorModal = jest.fn();
-jest.mock('providers/ErrorModalProvider', () => ({
+vi.mock('providers/ErrorModalProvider', async () => ({
 	__esModule: true,
-	...jest.requireActual('providers/ErrorModalProvider'),
-	useErrorModal: jest.fn(() => ({
+	...(await vi.importActual<typeof import('providers/ErrorModalProvider')>(
+		'providers/ErrorModalProvider',
+	)),
+	useErrorModal: vi.fn(() => ({
 		showErrorModal,
 		isErrorModalVisible: false,
 	})),
@@ -155,8 +208,8 @@ function renderDrawer(
 		<EditMemberDrawer
 			member={activeMember}
 			open
-			onClose={jest.fn()}
-			onComplete={jest.fn()}
+			onClose={vi.fn()}
+			onComplete={vi.fn()}
 			{...props}
 		/>,
 	);
@@ -164,38 +217,43 @@ function renderDrawer(
 
 describe('EditMemberDrawer', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 		mockCopyState.value = undefined;
 		mockCopyState.error = undefined;
 		showErrorModal.mockClear();
-		server.use(
-			rest.get(ROLES_ENDPOINT, (_, res, ctx) =>
-				res(ctx.status(200), ctx.json(listRolesSuccessResponse)),
-			),
-		);
-		(useGetUser as jest.Mock).mockReturnValue({
+		(useListRoles as Mock).mockReturnValue({
+			data: listRolesSuccessResponse,
+			isLoading: false,
+			isError: false,
+			error: null,
+			refetch: vi.fn(),
+			isFetching: false,
+			isSuccess: true,
+			status: 'success',
+		});
+		(useGetUser as Mock).mockReturnValue({
 			data: mockFetchedUser,
 			isLoading: false,
-			refetch: jest.fn(),
+			refetch: vi.fn(),
 		});
-		(useUpdateUser as jest.Mock).mockReturnValue({
-			mutateAsync: jest.fn().mockResolvedValue({}),
+		(useUpdateUser as Mock).mockReturnValue({
+			mutateAsync: vi.fn().mockResolvedValue({}),
 			isLoading: false,
 		});
-		(useUpdateMyUserV2 as jest.Mock).mockReturnValue({
-			mutateAsync: jest.fn().mockResolvedValue({}),
+		(useUpdateMyUserV2 as Mock).mockReturnValue({
+			mutateAsync: vi.fn().mockResolvedValue({}),
 			isLoading: false,
 		});
-		(useSetRoleByUserID as jest.Mock).mockReturnValue({
-			mutateAsync: jest.fn().mockResolvedValue({}),
+		(useSetRoleByUserID as Mock).mockReturnValue({
+			mutateAsync: vi.fn().mockResolvedValue({}),
 			isLoading: false,
 		});
-		(useDeleteUser as jest.Mock).mockReturnValue({
+		(useDeleteUser as Mock).mockReturnValue({
 			mutate: mockDeleteMutate,
 			isLoading: false,
 		});
 		// Token query: valid token for invited members
-		(useGetResetPasswordToken as jest.Mock).mockReturnValue({
+		(useGetResetPasswordToken as Mock).mockReturnValue({
 			data: {
 				data: {
 					token: 'invite-tok-valid',
@@ -215,20 +273,18 @@ describe('EditMemberDrawer', () => {
 				expiresAt: new Date(Date.now() + 86400000).toISOString(),
 			},
 		});
-		(useCreateResetPasswordToken as jest.Mock).mockReturnValue({
+		(useCreateResetPasswordToken as Mock).mockReturnValue({
 			mutateAsync: mockCreateTokenMutateAsync,
 			isLoading: false,
 		});
 	});
 
-	afterEach(() => {
-		server.resetHandlers();
-	});
-
-	it('renders active member details and disables Save when form is not dirty', () => {
+	it('renders active member details and disables Save when form is not dirty', async () => {
 		renderDrawer();
 
-		expect(screen.getByDisplayValue('Alice Smith')).toBeInTheDocument();
+		await expect(
+			screen.findByDisplayValue('Alice Smith'),
+		).resolves.toBeInTheDocument();
 		expect(screen.getByText('alice@signoz.io')).toBeInTheDocument();
 		expect(screen.getByText('ACTIVE')).toBeInTheDocument();
 		expect(
@@ -237,11 +293,11 @@ describe('EditMemberDrawer', () => {
 	});
 
 	it('enables Save after editing name and calls updateUser on confirm', async () => {
-		const onComplete = jest.fn();
+		const onComplete = vi.fn();
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
-		const mockMutateAsync = jest.fn().mockResolvedValue({});
+		const mockMutateAsync = vi.fn().mockResolvedValue({});
 
-		(useUpdateUser as jest.Mock).mockReturnValue({
+		(useUpdateUser as Mock).mockReturnValue({
 			mutateAsync: mockMutateAsync,
 			isLoading: false,
 		});
@@ -267,7 +323,7 @@ describe('EditMemberDrawer', () => {
 	});
 
 	it('does not close the drawer after a successful save', async () => {
-		const onClose = jest.fn();
+		const onClose = vi.fn();
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
 
 		renderDrawer({ onClose });
@@ -289,18 +345,18 @@ describe('EditMemberDrawer', () => {
 	});
 
 	it('selecting a different role calls setRole with the new role name', async () => {
-		const onComplete = jest.fn();
+		const onComplete = vi.fn();
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
-		const mockSet = jest.fn().mockResolvedValue({});
+		const mockSet = vi.fn().mockResolvedValue({});
 
-		(useSetRoleByUserID as jest.Mock).mockReturnValue({
+		(useSetRoleByUserID as Mock).mockReturnValue({
 			mutateAsync: mockSet,
 			isLoading: false,
 		});
 
 		renderDrawer({ onComplete });
 
-		// Open the roles dropdown and select signoz-editor
+		await screen.findByTitle('signoz-admin');
 		await user.click(screen.getByLabelText('Roles'));
 		await user.click(await screen.findByTitle('signoz-editor'));
 
@@ -318,18 +374,18 @@ describe('EditMemberDrawer', () => {
 	});
 
 	it('does not call removeRole when the role is changed', async () => {
-		const onComplete = jest.fn();
+		const onComplete = vi.fn();
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
-		const mockSet = jest.fn().mockResolvedValue({});
+		const mockSet = vi.fn().mockResolvedValue({});
 
-		(useSetRoleByUserID as jest.Mock).mockReturnValue({
+		(useSetRoleByUserID as Mock).mockReturnValue({
 			mutateAsync: mockSet,
 			isLoading: false,
 		});
 
 		renderDrawer({ onComplete });
 
-		// Switch from signoz-admin to signoz-viewer using single-select
+		await screen.findByTitle('signoz-admin');
 		await user.click(screen.getByLabelText('Roles'));
 		await user.click(await screen.findByTitle('signoz-viewer'));
 
@@ -347,10 +403,10 @@ describe('EditMemberDrawer', () => {
 	});
 
 	it('shows delete confirm dialog and calls deleteUser for active members', async () => {
-		const onComplete = jest.fn();
+		const onComplete = vi.fn();
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
 
-		(useDeleteUser as jest.Mock).mockImplementation((options) => ({
+		(useDeleteUser as Mock).mockImplementation((options) => ({
 			mutate: mockDeleteMutate.mockImplementation(() => {
 				options?.mutation?.onSuccess?.();
 			}),
@@ -393,7 +449,7 @@ describe('EditMemberDrawer', () => {
 	});
 
 	it('shows "Regenerate Invite Link" when token is expired', () => {
-		(useGetResetPasswordToken as jest.Mock).mockReturnValue({
+		(useGetResetPasswordToken as Mock).mockReturnValue({
 			data: {
 				data: {
 					token: 'old-tok',
@@ -413,7 +469,7 @@ describe('EditMemberDrawer', () => {
 	});
 
 	it('shows "Generate Invite Link" when no token exists', () => {
-		(useGetResetPasswordToken as jest.Mock).mockReturnValue({
+		(useGetResetPasswordToken as Mock).mockReturnValue({
 			data: undefined,
 			isLoading: false,
 			isError: true,
@@ -427,10 +483,10 @@ describe('EditMemberDrawer', () => {
 	});
 
 	it('calls deleteUser after confirming revoke invite for invited members', async () => {
-		const onComplete = jest.fn();
+		const onComplete = vi.fn();
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
 
-		(useDeleteUser as jest.Mock).mockImplementation((options) => ({
+		(useDeleteUser as Mock).mockImplementation((options) => ({
 			mutate: mockDeleteMutate.mockImplementation(() => {
 				options?.mutation?.onSuccess?.();
 			}),
@@ -457,11 +513,11 @@ describe('EditMemberDrawer', () => {
 	});
 
 	it('calls updateUser when saving name change for an invited member', async () => {
-		const onComplete = jest.fn();
+		const onComplete = vi.fn();
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
-		const mockMutateAsync = jest.fn().mockResolvedValue({});
+		const mockMutateAsync = vi.fn().mockResolvedValue({});
 
-		(useGetUser as jest.Mock).mockReturnValue({
+		(useGetUser as Mock).mockReturnValue({
 			data: {
 				data: {
 					...mockFetchedUser.data,
@@ -477,9 +533,9 @@ describe('EditMemberDrawer', () => {
 				},
 			},
 			isLoading: false,
-			refetch: jest.fn(),
+			refetch: vi.fn(),
 		});
-		(useUpdateUser as jest.Mock).mockReturnValue({
+		(useUpdateUser as Mock).mockReturnValue({
 			mutateAsync: mockMutateAsync,
 			isLoading: false,
 		});
@@ -504,7 +560,7 @@ describe('EditMemberDrawer', () => {
 	});
 
 	describe('error handling', () => {
-		const mockConvertToApiError = jest.mocked(convertToApiError);
+		const mockConvertToApiError = vi.mocked(convertToApiError);
 
 		beforeEach(() => {
 			mockConvertToApiError.mockReturnValue({
@@ -515,8 +571,8 @@ describe('EditMemberDrawer', () => {
 		it('shows SaveErrorItem when updateUser fails for name change', async () => {
 			const user = userEvent.setup({ pointerEventsCheck: 0 });
 
-			(useUpdateUser as jest.Mock).mockReturnValue({
-				mutateAsync: jest.fn().mockRejectedValue(new Error('server error')),
+			(useUpdateUser as Mock).mockReturnValue({
+				mutateAsync: vi.fn().mockRejectedValue(new Error('server error')),
 				isLoading: false,
 			});
 
@@ -540,7 +596,7 @@ describe('EditMemberDrawer', () => {
 		it('shows API error message when deleteUser fails for active member', async () => {
 			const user = userEvent.setup({ pointerEventsCheck: 0 });
 
-			(useDeleteUser as jest.Mock).mockImplementation((options) => ({
+			(useDeleteUser as Mock).mockImplementation((options) => ({
 				mutate: mockDeleteMutate.mockImplementation(() => {
 					options?.mutation?.onError?.({});
 				}),
@@ -571,7 +627,7 @@ describe('EditMemberDrawer', () => {
 		it('shows API error message when deleteUser fails for invited member', async () => {
 			const user = userEvent.setup({ pointerEventsCheck: 0 });
 
-			(useDeleteUser as jest.Mock).mockImplementation((options) => ({
+			(useDeleteUser as Mock).mockImplementation((options) => ({
 				mutate: mockDeleteMutate.mockImplementation(() => {
 					options?.mutation?.onError?.({});
 				}),
@@ -634,10 +690,10 @@ describe('EditMemberDrawer', () => {
 
 	describe('root user', () => {
 		beforeEach(() => {
-			(useGetUser as jest.Mock).mockReturnValue({
+			(useGetUser as Mock).mockReturnValue({
 				data: rootMockFetchedUser,
 				isLoading: false,
-				refetch: jest.fn(),
+				refetch: vi.fn(),
 			});
 		});
 
@@ -717,7 +773,7 @@ describe('EditMemberDrawer', () => {
 
 		it('copies the link to clipboard and shows "Copied!" on the button', async () => {
 			const user = userEvent.setup({ pointerEventsCheck: 0 });
-			const mockToast = jest.mocked(toast);
+			const mockToast = vi.mocked(toast);
 
 			renderDrawer();
 

frontend/src/components/Editor/Editor.test.tsx

@@ -1,10 +1,39 @@
 import { render, screen } from '@testing-library/react';
 import { useIsDarkMode } from 'hooks/useDarkMode';
+import { describe, expect, it, vi } from 'vitest';
+import type { Mock } from 'vitest';
 
 import Editor from './index';
 
-jest.mock('hooks/useDarkMode', () => ({
-	useIsDarkMode: jest.fn(),
+vi.mock('hooks/useDarkMode', () => ({
+	useIsDarkMode: vi.fn(),
+}));
+
+vi.mock('@monaco-editor/react', () => ({
+	default: ({ height }: { height?: string }): JSX.Element => (
+		<section
+			style={{
+				display: 'flex',
+				position: 'relative',
+				textAlign: 'initial',
+				width: '100%',
+				height,
+			}}
+		>
+			<div
+				style={{
+					display: 'flex',
+					height: '100%',
+					width: '100%',
+					justifyContent: 'center',
+					alignItems: 'center',
+				}}
+			>
+				Loading...
+			</div>
+			<div style={{ width: '100%', display: 'none' }} />
+		</section>
+	),
 }));
 
 describe('Editor', () => {
@@ -34,7 +63,7 @@ describe('Editor', () => {
 	});
 
 	it('renders with dark mode theme', () => {
-		(useIsDarkMode as jest.Mock).mockImplementation(() => true);
+		(useIsDarkMode as Mock).mockImplementation(() => true);
 
 		const { container } = render(<Editor value="dark mode text" />);
 
@@ -42,7 +71,7 @@ describe('Editor', () => {
 	});
 
 	it('renders with light mode theme', () => {
-		(useIsDarkMode as jest.Mock).mockImplementation(() => false);
+		(useIsDarkMode as Mock).mockImplementation(() => false);
 
 		const { container } = render(<Editor value="light mode text" />);
 

frontend/src/components/Editor/__snapshots__/Editor.test.tsx.snap

@@ -1,6 +1,6 @@
-// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
-exports[`Editor renders correctly with custom props 1`] = `
+exports[`Editor > renders correctly with custom props 1`] = `
 <div>
   <section
     style="display: flex; position: relative; text-align: initial; width: 100%; height: 50vh;"
@@ -17,7 +17,7 @@ exports[`Editor renders correctly with custom props 1`] = `
 </div>
 `;
 
-exports[`Editor renders correctly with default props 1`] = `
+exports[`Editor > renders correctly with default props 1`] = `
 <div>
   <section
     style="display: flex; position: relative; text-align: initial; width: 100%; height: 40vh;"
@@ -34,7 +34,7 @@ exports[`Editor renders correctly with default props 1`] = `
 </div>
 `;
 
-exports[`Editor renders with dark mode theme 1`] = `
+exports[`Editor > renders with dark mode theme 1`] = `
 <div>
   <section
     style="display: flex; position: relative; text-align: initial; width: 100%; height: 40vh;"
@@ -51,7 +51,7 @@ exports[`Editor renders with dark mode theme 1`] = `
 </div>
 `;
 
-exports[`Editor renders with light mode theme 1`] = `
+exports[`Editor > renders with light mode theme 1`] = `
 <div>
   <section
     style="display: flex; position: relative; text-align: initial; width: 100%; height: 40vh;"

frontend/src/components/ErrorBoundaryHOC/__tests__/withErrorBoundary.test.tsx

@@ -1,13 +1,22 @@
 import React from 'react';
 import { render, screen } from '@testing-library/react';
+import {
+	afterAll,
+	beforeAll,
+	beforeEach,
+	describe,
+	expect,
+	it,
+	vi,
+} from 'vitest';
 
 import withErrorBoundary, {
 	WithErrorBoundaryOptions,
 } from '../withErrorBoundary';
 
 // Mock dependencies before imports
-jest.mock('@sentry/react', () => {
-	const ReactMock = jest.requireActual('react');
+vi.mock('@sentry/react', async () => {
+	const ReactMock = await vi.importActual<typeof import('react')>('react');
 
 	class MockErrorBoundary extends ReactMock.Component<
 		{
@@ -34,8 +43,8 @@ jest.mock('@sentry/react', () => {
 			const { beforeCapture, onError } = this.props;
 			if (beforeCapture) {
 				const mockScope = {
-					setTag: jest.fn(),
-					setLevel: jest.fn(),
+					setTag: vi.fn(),
+					setLevel: vi.fn(),
 				};
 				beforeCapture(mockScope);
 			}
@@ -64,15 +73,11 @@ jest.mock('@sentry/react', () => {
 	};
 });
 
-jest.mock(
-	'../../../pages/ErrorBoundaryFallback/ErrorBoundaryFallback',
-	() =>
-		function MockErrorBoundaryFallback(): JSX.Element {
-			return (
-				<div data-testid="default-error-fallback">Default Error Fallback</div>
-			);
-		},
-);
+vi.mock('../../../pages/ErrorBoundaryFallback/ErrorBoundaryFallback', () => ({
+	default: function MockErrorBoundaryFallback(): JSX.Element {
+		return <div data-testid="default-error-fallback">Default Error Fallback</div>;
+	},
+}));
 
 // Test component that can throw errors
 interface TestComponentProps {
@@ -105,7 +110,7 @@ describe('withErrorBoundary', () => {
 	// Suppress console errors for cleaner test output
 	const originalError = console.error;
 	beforeAll(() => {
-		console.error = jest.fn();
+		console.error = vi.fn();
 	});
 
 	afterAll(() => {
@@ -113,7 +118,7 @@ describe('withErrorBoundary', () => {
 	});
 
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	it('should wrap component with ErrorBoundary and render successfully', () => {
@@ -162,7 +167,7 @@ describe('withErrorBoundary', () => {
 
 	it('should call custom error handler when error occurs', () => {
 		// Arrange
-		const mockErrorHandler = jest.fn();
+		const mockErrorHandler = vi.fn();
 		const options: WithErrorBoundaryOptions = {
 			onError: mockErrorHandler,
 		};

frontend/src/components/ErrorModal/ErrorModal.test.tsx

@@ -1,19 +1,26 @@
+import { describe, expect, it, vi } from 'vitest';
 import { render, screen, userEvent, waitFor } from 'tests/test-utils';
 import APIError from 'types/api/error';
 
 import ErrorModal from './ErrorModal';
 
 // Mock the query client to return version data
-const mockVersionData = {
+const mockVersionData = vi.hoisted(() => ({
 	payload: {
 		ee: 'Y',
 		version: '1.0.0',
 	},
-};
-jest.mock('react-query', () => ({
-	...jest.requireActual('react-query'),
+}));
+vi.mock('react-query', async () => ({
+	...(await vi.importActual('react-query')),
 	useQueryClient: (): { getQueryData: () => typeof mockVersionData } => ({
-		getQueryData: jest.fn(() => mockVersionData),
+		getQueryData: vi.fn(() => mockVersionData),
+	}),
+}));
+
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: ReturnType<typeof vi.fn> } => ({
+		safeNavigate: vi.fn(),
 	}),
 }));
 const mockError: APIError = new APIError({
@@ -31,7 +38,7 @@ const mockError: APIError = new APIError({
 });
 describe('ErrorModal Component', () => {
 	it('should render the modal when open is true', () => {
-		render(<ErrorModal error={mockError} open onClose={jest.fn()} />);
+		render(<ErrorModal error={mockError} open onClose={vi.fn()} />);
 
 		// Check if the error message is displayed
 		expect(screen.getByText('An error occurred')).toBeInTheDocument();
@@ -41,14 +48,14 @@ describe('ErrorModal Component', () => {
 	});
 
 	it('should not render the modal when open is false', () => {
-		render(<ErrorModal error={mockError} open={false} onClose={jest.fn()} />);
+		render(<ErrorModal error={mockError} open={false} onClose={vi.fn()} />);
 
 		// Check that the modal content is not in the document
 		expect(screen.queryByText('An error occurred')).not.toBeInTheDocument();
 	});
 
 	it('should call onClose when the close button is clicked', async () => {
-		const onCloseMock = jest.fn();
+		const onCloseMock = vi.fn();
 		render(<ErrorModal error={mockError} open onClose={onCloseMock} />);
 
 		// Click the close button
@@ -61,14 +68,14 @@ describe('ErrorModal Component', () => {
 	});
 
 	it('should display version data if available', async () => {
-		render(<ErrorModal error={mockError} open onClose={jest.fn()} />);
+		render(<ErrorModal error={mockError} open onClose={vi.fn()} />);
 
 		// Check if the version data is displayed
 		expect(screen.getByText('ENTERPRISE')).toBeInTheDocument();
 		expect(screen.getByText('1.0.0')).toBeInTheDocument();
 	});
 	it('should render the messages count badge when there are multiple errors', () => {
-		render(<ErrorModal error={mockError} open onClose={jest.fn()} />);
+		render(<ErrorModal error={mockError} open onClose={vi.fn()} />);
 
 		// Check if the messages count badge is displayed
 		expect(screen.getByText('MESSAGES')).toBeInTheDocument();
@@ -82,7 +89,7 @@ describe('ErrorModal Component', () => {
 	});
 
 	it('should render the open docs button when URL is provided', async () => {
-		render(<ErrorModal error={mockError} open onClose={jest.fn()} />);
+		render(<ErrorModal error={mockError} open onClose={vi.fn()} />);
 
 		// Check if the open docs button is displayed
 		const openDocsButton = screen.getByTestId('error-docs-button');
@@ -95,7 +102,7 @@ describe('ErrorModal Component', () => {
 	});
 
 	it('should not display scroll for more if there are less than 10 messages', () => {
-		render(<ErrorModal error={mockError} open onClose={jest.fn()} />);
+		render(<ErrorModal error={mockError} open onClose={vi.fn()} />);
 
 		expect(screen.queryByText('Scroll for more')).not.toBeInTheDocument();
 	});
@@ -113,7 +120,7 @@ describe('ErrorModal Component', () => {
 			},
 		});
 
-		render(<ErrorModal error={longError} open onClose={jest.fn()} />);
+		render(<ErrorModal error={longError} open onClose={vi.fn()} />);
 
 		// Check if the scroll hint is displayed
 		expect(screen.getByText('Scroll for more')).toBeInTheDocument();
@@ -125,7 +132,7 @@ it('should render the trigger component if provided', () => {
 		<ErrorModal
 			error={mockError}
 			triggerComponent={mockTrigger}
-			onClose={jest.fn()}
+			onClose={vi.fn()}
 		/>,
 	);
 
@@ -139,7 +146,7 @@ it('should open the modal when the trigger component is clicked', async () => {
 		<ErrorModal
 			error={mockError}
 			triggerComponent={mockTrigger}
-			onClose={jest.fn()}
+			onClose={vi.fn()}
 		/>,
 	);
 
@@ -153,14 +160,14 @@ it('should open the modal when the trigger component is clicked', async () => {
 });
 
 it('should render the default trigger tag if no trigger component is provided', () => {
-	render(<ErrorModal error={mockError} onClose={jest.fn()} />);
+	render(<ErrorModal error={mockError} onClose={vi.fn()} />);
 
 	// Check if the default trigger tag is rendered
 	expect(screen.getByText('error')).toBeInTheDocument();
 });
 
 it('should close the modal when the onCancel event is triggered', async () => {
-	const onCloseMock = jest.fn();
+	const onCloseMock = vi.fn();
 	render(<ErrorModal error={mockError} onClose={onCloseMock} />);
 
 	// Click the trigger component
@@ -179,9 +186,7 @@ it('should close the modal when the onCancel event is triggered', async () => {
 	expect(onCloseMock).toHaveBeenCalledTimes(1);
 
 	await waitFor(() => {
-		// check if the modal is not visible
 		const modal = document.getElementsByClassName('ant-modal');
-		const style = window.getComputedStyle(modal[0]);
-		expect(style.display).toBe('none');
+		expect(modal[0]).toHaveClass('ant-zoom-leave');
 	});
 });

frontend/src/components/ExplorerCard/test/ExplorerCard.test.tsx

@@ -3,57 +3,63 @@ import ROUTES from 'constants/routes';
 import { PreferenceContextProvider } from 'providers/preferences/context/PreferenceContextProvider';
 import MockQueryClientProvider from 'providers/test/MockQueryClientProvider';
 import { DataSource } from 'types/common/queryBuilder';
+import { describe, expect, it, vi } from 'vitest';
 
 import { viewMockData } from '../__mock__/viewData';
 import ExplorerCard from '../ExplorerCard';
 
-const historyReplace = jest.fn();
+const historyReplace = vi.hoisted(() => vi.fn());
 
-jest.mock('react-router-dom', () => ({
-	...jest.requireActual('react-router-dom'),
-	useLocation: (): { pathname: string } => ({
-		pathname: `${process.env.FRONTEND_API_ENDPOINT}/${ROUTES.TRACES_EXPLORER}/`,
-	}),
-	useHistory: (): any => ({
-		...jest.requireActual('react-router-dom').useHistory(),
-		replace: historyReplace,
-	}),
-}));
+vi.mock('react-router-dom', async () => {
+	const actual =
+		await vi.importActual<typeof import('react-router-dom')>('react-router-dom');
 
-jest.mock('hooks/useSafeNavigate', () => ({
+	return {
+		...actual,
+		useLocation: (): { pathname: string } => ({
+			pathname: `${process.env.FRONTEND_API_ENDPOINT}/${ROUTES.TRACES_EXPLORER}/`,
+		}),
+		useHistory: (): any => ({
+			...actual.useHistory(),
+			replace: historyReplace,
+		}),
+	};
+});
+
+vi.mock('hooks/useSafeNavigate', () => ({
 	useSafeNavigate: (): any => ({
-		safeNavigate: jest.fn(),
+		safeNavigate: vi.fn(),
 	}),
 }));
 
-jest.mock('hooks/queryBuilder/useGetPanelTypesQueryParam', () => ({
-	useGetPanelTypesQueryParam: jest.fn(() => 'mockedPanelType'),
+vi.mock('hooks/queryBuilder/useGetPanelTypesQueryParam', () => ({
+	useGetPanelTypesQueryParam: vi.fn(() => 'mockedPanelType'),
 }));
 
-jest.mock('hooks/saveViews/useGetAllViews', () => ({
-	useGetAllViews: jest.fn(() => ({
+vi.mock('hooks/saveViews/useGetAllViews', () => ({
+	useGetAllViews: vi.fn(() => ({
 		data: { data: { data: viewMockData } },
 		isLoading: false,
 		error: null,
 		isRefetching: false,
-		refetch: jest.fn(),
+		refetch: vi.fn(),
 	})),
 }));
 
-jest.mock('hooks/saveViews/useUpdateView', () => ({
-	useUpdateView: jest.fn(() => ({
-		mutateAsync: jest.fn(),
+vi.mock('hooks/saveViews/useUpdateView', () => ({
+	useUpdateView: vi.fn(() => ({
+		mutateAsync: vi.fn(),
 	})),
 }));
 
-jest.mock('hooks/saveViews/useDeleteView', () => ({
-	useDeleteView: jest.fn(() => ({
-		mutateAsync: jest.fn(),
+vi.mock('hooks/saveViews/useDeleteView', () => ({
+	useDeleteView: vi.fn(() => ({
+		mutateAsync: vi.fn(),
 	})),
 }));
 
 // Mock usePreferenceSync
-jest.mock('providers/preferences/sync/usePreferenceSync', () => ({
+vi.mock('providers/preferences/sync/usePreferenceSync', () => ({
 	usePreferenceSync: (): any => ({
 		preferences: {
 			columns: [],
@@ -66,8 +72,8 @@ jest.mock('providers/preferences/sync/usePreferenceSync', () => ({
 		},
 		loading: false,
 		error: null,
-		updateColumns: jest.fn(),
-		updateFormatting: jest.fn(),
+		updateColumns: vi.fn(),
+		updateFormatting: vi.fn(),
 	}),
 }));
 

frontend/src/components/ExplorerCard/test/MenuItemGenerator.test.tsx

@@ -2,21 +2,22 @@ import { render, screen } from '@testing-library/react';
 import ROUTES from 'constants/routes';
 import MockQueryClientProvider from 'providers/test/MockQueryClientProvider';
 import { DataSource } from 'types/common/queryBuilder';
+import { describe, expect, it, vi } from 'vitest';
 
 import { viewMockData } from '../__mock__/viewData';
 import MenuItemGenerator from '../MenuItemGenerator';
 
-jest.mock('react-router-dom', () => ({
-	...jest.requireActual('react-router-dom'),
+vi.mock('react-router-dom', async () => ({
+	...(await vi.importActual('react-router-dom')),
 	useLocation: (): { pathname: string } => ({
 		pathname: `${process.env.FRONTEND_API_ENDPOINT}${ROUTES.APPLICATION}/`,
 	}),
 }));
 
-jest.mock('antd', () => ({
-	...jest.requireActual('antd'),
-	useForm: jest.fn().mockReturnValue({
-		onFinish: jest.fn(),
+vi.mock('antd', async () => ({
+	...(await vi.importActual('antd')),
+	useForm: vi.fn().mockReturnValue({
+		onFinish: vi.fn(),
 	}),
 }));
 
@@ -29,7 +30,7 @@ describe('MenuItemGenerator', () => {
 					viewKey={viewMockData[0].id}
 					createdBy={viewMockData[0].createdBy}
 					uuid={viewMockData[0].id}
-					refetchAllView={jest.fn()}
+					refetchAllView={vi.fn()}
 					viewData={viewMockData}
 					sourcePage={DataSource.TRACES}
 				/>
@@ -47,7 +48,7 @@ describe('MenuItemGenerator', () => {
 					viewKey={viewMockData[0].id}
 					createdBy={viewMockData[0].createdBy}
 					uuid={viewMockData[0].id}
-					refetchAllView={jest.fn()}
+					refetchAllView={vi.fn()}
 					viewData={viewMockData}
 					sourcePage={DataSource.TRACES}
 				/>

frontend/src/components/ExplorerCard/test/SaveViewWithName.test.tsx

@@ -1,14 +1,16 @@
+import { describe, expect, it, vi } from 'vitest';
 import { QueryClient, QueryClientProvider } from 'react-query';
 import { fireEvent, render } from '@testing-library/react';
-import ROUTES from 'constants/routes';
 import { DataSource } from 'types/common/queryBuilder';
 
 import SaveViewWithName from '../SaveViewWithName';
 
-jest.mock('react-router-dom', () => ({
-	...jest.requireActual('react-router-dom'),
+vi.mock('react-router-dom', async () => ({
+	...(await vi.importActual<typeof import('react-router-dom')>(
+		'react-router-dom',
+	)),
 	useLocation: (): { pathname: string } => ({
-		pathname: `${process.env.FRONTEND_API_ENDPOINT}${ROUTES.APPLICATION}/`,
+		pathname: `${process.env.FRONTEND_API_ENDPOINT}/services/`,
 	}),
 }));
 
@@ -20,13 +22,13 @@ const queryClient = new QueryClient({
 	},
 });
 
-jest.mock('hooks/queryBuilder/useGetPanelTypesQueryParam', () => ({
-	useGetPanelTypesQueryParam: jest.fn(() => 'mockedPanelType'),
+vi.mock('hooks/queryBuilder/useGetPanelTypesQueryParam', () => ({
+	useGetPanelTypesQueryParam: vi.fn(() => 'mockedPanelType'),
 }));
 
-jest.mock('hooks/saveViews/useSaveView', () => ({
-	useSaveView: jest.fn(() => ({
-		mutateAsync: jest.fn(),
+vi.mock('hooks/saveViews/useSaveView', () => ({
+	useSaveView: vi.fn(() => ({
+		mutateAsync: vi.fn(),
 	})),
 }));
 
@@ -36,8 +38,8 @@ describe('SaveViewWithName', () => {
 			<QueryClientProvider client={queryClient}>
 				<SaveViewWithName
 					sourcePage={DataSource.TRACES}
-					handlePopOverClose={jest.fn()}
-					refetchAllView={jest.fn()}
+					handlePopOverClose={vi.fn()}
+					refetchAllView={vi.fn()}
 				/>
 			</QueryClientProvider>,
 		);
@@ -50,8 +52,8 @@ describe('SaveViewWithName', () => {
 			<QueryClientProvider client={queryClient}>
 				<SaveViewWithName
 					sourcePage={DataSource.TRACES}
-					handlePopOverClose={jest.fn()}
-					refetchAllView={jest.fn()}
+					handlePopOverClose={vi.fn()}
+					refetchAllView={vi.fn()}
 				/>
 			</QueryClientProvider>,
 		);

frontend/src/components/GlobalTimeStoreAdapter/__tests__/GlobalTimeStoreAdapter.test.tsx

@@ -7,6 +7,7 @@ import { useGlobalTimeStore } from 'store/globalTime/globalTimeStore';
 import { createCustomTimeRange } from 'store/globalTime/utils';
 import { AppState } from 'store/reducers';
 import { GlobalReducer } from 'types/reducer/globalTime';
+import { beforeEach, describe, expect, it } from 'vitest';
 
 import { GlobalTimeStoreAdapter } from '../GlobalTimeStoreAdapter';
 

frontend/src/components/Graph/__tests__/xAxisConfig.test.ts

@@ -1,3 +1,5 @@
+import { describe, expect, it } from 'vitest';
+
 import dayjs from 'dayjs';
 
 import { convertTimeRange, TIME_UNITS } from '../xAxisConfig';

frontend/src/components/Graph/__tests__/yAxisConfig.test.ts

@@ -1,3 +1,5 @@
+import { describe, expect, it } from 'vitest';
+
 import { PrecisionOptionsEnum } from '../types';
 import { getYAxisFormattedValue } from '../yAxisConfig';
 

frontend/src/components/GuardAuthZ/GuardAuthZ.test.tsx

@@ -1,4 +1,5 @@
 import { ReactElement } from 'react';
+import { describe, expect, it, vi } from 'vitest';
 import {
 	AuthtypesGettableTransactionDTO,
 	AuthtypesTransactionDTO,
@@ -12,6 +13,12 @@ import { render, screen, waitFor } from 'tests/test-utils';
 
 import { GuardAuthZ } from './GuardAuthZ';
 
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: () => void } => ({
+		safeNavigate: (): void => {},
+	}),
+}));
+
 const BASE_URL = ENVIRONMENT.baseURL || '';
 const AUTHZ_CHECK_URL = `${BASE_URL}/api/v1/authz/check`;
 

frontend/src/components/HeaderRightSection/__tests__/AnnouncementsModal.test.tsx

@@ -1,3 +1,4 @@
+import { describe, expect, it } from 'vitest';
 import { render, screen } from '@testing-library/react';
 
 import AnnouncementsModal from '../AnnouncementsModal';

frontend/src/components/HeaderRightSection/__tests__/FeedbackModal.test.tsx

@@ -1,4 +1,6 @@
 // Mock dependencies before imports
+import { describe, expect, beforeEach, it, vi } from 'vitest';
+import type { Mock, Mocked, MockedFunction } from 'vitest';
 import { useLocation } from 'react-router-dom';
 import { toast } from '@signozhq/ui';
 import { render, screen } from '@testing-library/react';
@@ -9,39 +11,38 @@ import { useGetTenantLicense } from 'hooks/useGetTenantLicense';
 
 import FeedbackModal from '../FeedbackModal';
 
-jest.mock('api/common/logEvent', () => ({
+vi.mock('api/common/logEvent', () => ({
 	__esModule: true,
-	default: jest.fn(() => Promise.resolve()),
+	default: vi.fn(() => Promise.resolve()),
 }));
 
-jest.mock('react-router-dom', () => ({
-	...jest.requireActual('react-router-dom'),
-	useLocation: jest.fn(),
+vi.mock('react-router-dom', async () => ({
+	...(await vi.importActual('react-router-dom')),
+	useLocation: vi.fn(),
 }));
 
-jest.mock('@signozhq/ui', () => ({
-	...jest.requireActual('@signozhq/ui'),
+vi.mock('@signozhq/ui', () => ({
 	toast: {
-		success: jest.fn(),
-		error: jest.fn(),
+		success: vi.fn(),
+		error: vi.fn(),
 	},
 }));
 
-jest.mock('hooks/useGetTenantLicense', () => ({
-	useGetTenantLicense: jest.fn(),
+vi.mock('hooks/useGetTenantLicense', () => ({
+	useGetTenantLicense: vi.fn(),
 }));
 
-jest.mock('container/Integrations/utils', () => ({
-	handleContactSupport: jest.fn(),
+vi.mock('container/Integrations/utils', () => ({
+	handleContactSupport: vi.fn(),
 }));
 
-const mockLogEvent = logEvent as jest.MockedFunction<typeof logEvent>;
-const mockUseLocation = useLocation as jest.Mock;
-const mockUseGetTenantLicense = useGetTenantLicense as jest.Mock;
-const mockHandleContactSupport = handleContactSupport as jest.Mock;
-const mockToast = toast as jest.Mocked<typeof toast>;
+const mockLogEvent = logEvent as MockedFunction<typeof logEvent>;
+const mockUseLocation = useLocation as Mock;
+const mockUseGetTenantLicense = useGetTenantLicense as Mock;
+const mockHandleContactSupport = handleContactSupport as Mock;
+const mockToast = toast as Mocked<typeof toast>;
 
-const mockOnClose = jest.fn();
+const mockOnClose = vi.fn();
 
 const mockLocation = {
 	pathname: '/test-path',
@@ -49,7 +50,7 @@ const mockLocation = {
 
 describe('FeedbackModal', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 		mockUseLocation.mockReturnValue(mockLocation);
 		mockUseGetTenantLicense.mockReturnValue({
 			isCloudUser: false,

frontend/src/components/HeaderRightSection/__tests__/HeaderRightSection.test.tsx

@@ -1,23 +1,47 @@
 // Mock dependencies before imports
+import type { ReactNode } from 'react';
+import { beforeEach, describe, expect, it, vi, type Mock } from 'vitest';
 import { useLocation } from 'react-router-dom';
-import { render, screen } from '@testing-library/react';
+import { render, screen, waitFor } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import logEvent from 'api/common/logEvent';
 import { useGetTenantLicense } from 'hooks/useGetTenantLicense';
 
 import HeaderRightSection from '../HeaderRightSection';
 
-jest.mock('api/common/logEvent', () => ({
+vi.mock('api/common/logEvent', () => ({
 	__esModule: true,
-	default: jest.fn(),
+	default: vi.fn(),
 }));
 
-jest.mock('react-router-dom', () => ({
-	...jest.requireActual('react-router-dom'),
-	useLocation: jest.fn(),
+vi.mock('react-router-dom', async () => ({
+	...(await vi.importActual('react-router-dom')),
+	useLocation: vi.fn(),
 }));
 
-jest.mock('../FeedbackModal', () => ({
+vi.mock('antd', async () => {
+	const actual = await vi.importActual<typeof import('antd')>('antd');
+
+	return {
+		...actual,
+		Popover: ({
+			children,
+			content,
+			open,
+		}: {
+			children: ReactNode;
+			content: ReactNode;
+			open?: boolean;
+		}): JSX.Element => (
+			<>
+				{children}
+				{open ? content : null}
+			</>
+		),
+	};
+});
+
+vi.mock('../FeedbackModal', () => ({
 	__esModule: true,
 	default: ({ onClose }: { onClose: () => void }): JSX.Element => (
 		<div data-testid="feedback-modal">
@@ -28,27 +52,27 @@ jest.mock('../FeedbackModal', () => ({
 	),
 }));
 
-jest.mock('../ShareURLModal', () => ({
+vi.mock('../ShareURLModal', () => ({
 	__esModule: true,
 	default: (): JSX.Element => (
 		<div data-testid="share-modal">Share URL Modal</div>
 	),
 }));
 
-jest.mock('../AnnouncementsModal', () => ({
+vi.mock('../AnnouncementsModal', () => ({
 	__esModule: true,
 	default: (): JSX.Element => (
 		<div data-testid="announcements-modal">Announcements Modal</div>
 	),
 }));
 
-jest.mock('hooks/useGetTenantLicense', () => ({
-	useGetTenantLicense: jest.fn(),
+vi.mock('hooks/useGetTenantLicense', () => ({
+	useGetTenantLicense: vi.fn(),
 }));
 
-const mockLogEvent = logEvent as jest.Mock;
-const mockUseLocation = useLocation as jest.Mock;
-const mockUseGetTenantLicense = useGetTenantLicense as jest.Mock;
+const mockLogEvent = logEvent as Mock;
+const mockUseLocation = useLocation as Mock;
+const mockUseGetTenantLicense = useGetTenantLicense as Mock;
 
 const defaultProps = {
 	enableAnnouncements: true,
@@ -62,7 +86,7 @@ const mockLocation = {
 
 describe('HeaderRightSection', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 		mockUseLocation.mockReturnValue(mockLocation);
 		// Default to licensed user (Enterprise or Cloud)
 		mockUseGetTenantLicense.mockReturnValue({
@@ -177,7 +201,9 @@ describe('HeaderRightSection', () => {
 		// Close feedback modal
 		const closeFeedbackButton = screen.getByText('Close Feedback');
 		await user.click(closeFeedbackButton);
-		expect(screen.queryByTestId('feedback-modal')).not.toBeInTheDocument();
+		await waitFor(() => {
+			expect(screen.queryByTestId('feedback-modal')).not.toBeInTheDocument();
+		});
 	});
 
 	it('should close other modals when opening feedback modal', async () => {
@@ -197,7 +223,9 @@ describe('HeaderRightSection', () => {
 
 		await user.click(feedbackButton!);
 		expect(screen.getByTestId('feedback-modal')).toBeInTheDocument();
-		expect(screen.queryByTestId('share-modal')).not.toBeInTheDocument();
+		await waitFor(() => {
+			expect(screen.queryByTestId('share-modal')).not.toBeInTheDocument();
+		});
 	});
 
 	it('should show feedback button for Cloud users when feedback is enabled', () => {

frontend/src/components/HeaderRightSection/__tests__/ShareURLModal.test.tsx

@@ -1,6 +1,6 @@
 // Mock dependencies before imports
-// eslint-disable-next-line no-restricted-imports
-import { useSelector } from 'react-redux';
+import { describe, expect, it, beforeEach, vi } from 'vitest';
+import type { Mock } from 'vitest';
 import { matchPath, useLocation } from 'react-router-dom';
 import { useCopyToClipboard } from 'react-use';
 import { render, screen } from '@testing-library/react';
@@ -12,35 +12,39 @@ import GetMinMax from 'lib/getMinMax';
 
 import ShareURLModal from '../ShareURLModal';
 
-jest.mock('api/common/logEvent', () => ({
+const hoistedReduxMocks = vi.hoisted(() => ({
+	useSelectorMock: vi.fn(),
+}));
+
+vi.mock('api/common/logEvent', () => ({
 	__esModule: true,
-	default: jest.fn(),
+	default: vi.fn(),
 }));
 
-jest.mock('react-router-dom', () => ({
-	...jest.requireActual('react-router-dom'),
-	useLocation: jest.fn(),
-	matchPath: jest.fn(),
+vi.mock('react-router-dom', async () => ({
+	...(await vi.importActual('react-router-dom')),
+	useLocation: vi.fn(),
+	matchPath: vi.fn(),
 }));
 
-jest.mock('hooks/useUrlQuery', () => ({
+vi.mock('hooks/useUrlQuery', () => ({
 	__esModule: true,
-	default: jest.fn(),
+	default: vi.fn(),
 }));
 
-jest.mock('react-redux', () => ({
-	...jest.requireActual('react-redux'),
-	useSelector: jest.fn(),
+vi.mock('react-redux', async () => ({
+	...(await vi.importActual<typeof import('react-redux')>('react-redux')),
+	useSelector: hoistedReduxMocks.useSelectorMock,
 }));
 
-jest.mock('lib/getMinMax', () => ({
+vi.mock('lib/getMinMax', () => ({
 	__esModule: true,
-	default: jest.fn(),
+	default: vi.fn(),
 }));
 
-jest.mock('react-use', () => ({
-	...jest.requireActual('react-use'),
-	useCopyToClipboard: jest.fn(),
+vi.mock('react-use', async () => ({
+	...(await vi.importActual('react-use')),
+	useCopyToClipboard: vi.fn(),
 }));
 
 // Mock window.location
@@ -53,29 +57,29 @@ Object.defineProperty(window, 'location', {
 	writable: true,
 });
 
-const mockLogEvent = logEvent as jest.Mock;
-const mockUseLocation = useLocation as jest.Mock;
-const mockUseUrlQuery = useUrlQuery as jest.Mock;
-const mockUseSelector = useSelector as jest.Mock;
-const mockGetMinMax = GetMinMax as jest.Mock;
-const mockUseCopyToClipboard = useCopyToClipboard as jest.Mock;
-const mockMatchPath = matchPath as jest.Mock;
+const mockLogEvent = logEvent as Mock;
+const mockUseLocation = useLocation as Mock;
+const mockUseUrlQuery = useUrlQuery as Mock;
+const mockUseSelector = hoistedReduxMocks.useSelectorMock as Mock;
+const mockGetMinMax = GetMinMax as Mock;
+const mockUseCopyToClipboard = useCopyToClipboard as Mock;
+const mockMatchPath = matchPath as Mock;
 
 const mockUrlQuery = {
-	get: jest.fn(),
-	set: jest.fn(),
-	delete: jest.fn(),
-	toString: jest.fn(() => 'param=value'),
+	get: vi.fn(),
+	set: vi.fn(),
+	delete: vi.fn(),
+	toString: vi.fn(() => 'param=value'),
 };
 
-const mockHandleCopyToClipboard = jest.fn();
+const mockHandleCopyToClipboard = vi.fn();
 
 const TEST_PATH = '/test-path';
 const ENABLE_ABSOLUTE_TIME_TEXT = 'Enable absolute time';
 
 describe('ShareURLModal', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 
 		mockUseLocation.mockReturnValue({
 			pathname: TEST_PATH,

frontend/src/components/InviteMembersModal/__tests__/InviteMembersModal.test.tsx

@@ -1,3 +1,6 @@
+import type { ChangeEventHandler, ReactNode } from 'react';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
 import inviteUsers from 'api/v1/invite/bulk/create';
 import sendInvite from 'api/v1/invite/create';
 import { StatusCodes } from 'http-status-codes';
@@ -12,38 +15,114 @@ const makeApiError = (message: string, code = StatusCodes.CONFLICT): APIError =>
 		error: { code: 'already_exists', message, url: '', errors: [] },
 	});
 
-jest.mock('api/v1/invite/create');
-jest.mock('api/v1/invite/bulk/create');
-jest.mock('@signozhq/ui', () => ({
-	...jest.requireActual('@signozhq/ui'),
-	toast: {
-		success: jest.fn(),
-		error: jest.fn(),
-	},
+type MockButtonProps = {
+	children?: ReactNode;
+	disabled?: boolean;
+	onClick?: () => void;
+	type?: 'button' | 'submit' | 'reset';
+	'aria-label'?: string;
+};
+
+type MockInputProps = {
+	autoComplete?: string;
+	className?: string;
+	name?: string;
+	onChange?: ChangeEventHandler<HTMLInputElement>;
+	placeholder?: string;
+	type?: string;
+	value?: string;
+};
+
+type MockDialogProps = {
+	children?: ReactNode;
+	className?: string;
+	open?: boolean;
+};
+
+const showErrorModal = vi.hoisted(() => vi.fn());
+
+vi.mock('api/v1/invite/create');
+vi.mock('api/v1/invite/bulk/create');
+vi.mock('@signozhq/ui', async () => {
+	const React = await vi.importActual<typeof import('react')>('react');
+
+	return {
+		Button: ({
+			children,
+			disabled,
+			onClick,
+			type = 'button',
+			'aria-label': ariaLabel,
+		}: MockButtonProps): JSX.Element =>
+			React.createElement(
+				'button',
+				{ 'aria-label': ariaLabel, disabled, onClick, type },
+				children,
+			),
+		Callout: ({ title }: { title?: ReactNode }): JSX.Element =>
+			React.createElement('div', null, title),
+		DialogFooter: ({ children, className }: MockDialogProps): JSX.Element =>
+			React.createElement('div', { className }, children),
+		DialogWrapper: ({
+			children,
+			className,
+			open,
+		}: MockDialogProps): JSX.Element | null =>
+			open ? React.createElement('div', { className }, children) : null,
+		Input: ({
+			autoComplete,
+			className,
+			name,
+			onChange,
+			placeholder,
+			type,
+			value,
+		}: MockInputProps): JSX.Element =>
+			React.createElement('input', {
+				autoComplete,
+				className,
+				name,
+				onChange,
+				placeholder,
+				type,
+				value,
+			}),
+		toast: {
+			success: vi.fn(),
+			error: vi.fn(),
+		},
+	};
+});
+
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: ReturnType<typeof vi.fn> } => ({
+		safeNavigate: vi.fn(),
+	}),
 }));
 
-const showErrorModal = jest.fn();
-jest.mock('providers/ErrorModalProvider', () => ({
+vi.mock('providers/ErrorModalProvider', async () => ({
 	__esModule: true,
-	...jest.requireActual('providers/ErrorModalProvider'),
-	useErrorModal: jest.fn(() => ({
+	...(await vi.importActual<typeof import('providers/ErrorModalProvider')>(
+		'providers/ErrorModalProvider',
+	)),
+	useErrorModal: vi.fn(() => ({
 		showErrorModal,
 		isErrorModalVisible: false,
 	})),
 }));
 
-const mockSendInvite = jest.mocked(sendInvite);
-const mockInviteUsers = jest.mocked(inviteUsers);
+const mockSendInvite = vi.mocked(sendInvite);
+const mockInviteUsers = vi.mocked(inviteUsers);
 
 const defaultProps = {
 	open: true,
-	onClose: jest.fn(),
-	onComplete: jest.fn(),
+	onClose: vi.fn(),
+	onComplete: vi.fn(),
 };
 
 describe('InviteMembersModal', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 		showErrorModal.mockClear();
 		mockSendInvite.mockResolvedValue({
 			httpStatusCode: 200,
@@ -138,7 +217,7 @@ describe('InviteMembersModal', () => {
 
 	it('uses sendInvite (single) when only one row is filled', async () => {
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
-		const onComplete = jest.fn();
+		const onComplete = vi.fn();
 
 		render(<InviteMembersModal {...defaultProps} onComplete={onComplete} />);
 
@@ -243,7 +322,7 @@ describe('InviteMembersModal', () => {
 
 	it('uses inviteUsers (bulk) when multiple rows are filled', async () => {
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
-		const onComplete = jest.fn();
+		const onComplete = vi.fn();
 
 		render(<InviteMembersModal {...defaultProps} onComplete={onComplete} />);
 

frontend/src/components/Loadable/Loadable.test.tsx

@@ -1,4 +1,5 @@
-import React, { ComponentType, Suspense } from 'react';
+import { ComponentType, lazy as reactLazy, Suspense } from 'react';
+import { afterEach, describe, expect, it, vi } from 'vitest';
 import {
 	render,
 	screen,
@@ -7,6 +8,16 @@ import {
 
 import Loadable from './index';
 
+vi.mock('react', async (importOriginal) => {
+	const actual = await importOriginal<typeof import('react')>();
+	const lazy = vi.fn(actual.lazy);
+
+	return {
+		...actual,
+		lazy,
+	};
+});
+
 // Sample component to be loaded lazily
 function SampleComponent(): JSX.Element {
 	return <div>Sample Component</div>;
@@ -22,6 +33,10 @@ const loadSampleComponent = (): Promise<{
 	});
 
 describe('Loadable', () => {
+	afterEach(() => {
+		vi.clearAllMocks();
+	});
+
 	it('should render the lazily loaded component', async () => {
 		const LoadableSampleComponent = Loadable(loadSampleComponent);
 
@@ -38,12 +53,9 @@ describe('Loadable', () => {
 	});
 
 	it('should call lazy with the provided import path', () => {
-		const reactLazySpy = jest.spyOn(React, 'lazy');
 		Loadable(loadSampleComponent);
 
-		expect(reactLazySpy).toHaveBeenCalledTimes(1);
-		expect(reactLazySpy).toHaveBeenCalledWith(expect.any(Function));
-
-		reactLazySpy.mockRestore();
+		expect(vi.mocked(reactLazy)).toHaveBeenCalledTimes(1);
+		expect(vi.mocked(reactLazy)).toHaveBeenCalledWith(expect.any(Function));
 	});
 });

frontend/src/components/Logs/LogStateIndicator/LogStateIndicator.test.tsx

@@ -1,5 +1,6 @@
 import { render } from '@testing-library/react';
 import { FontSize } from 'container/OptionsMenu/types';
+import { describe, expect, it } from 'vitest';
 
 import LogStateIndicator from './LogStateIndicator';
 

frontend/src/components/Logs/LogStateIndicator/utils.test.ts

@@ -1,3 +1,5 @@
+import { describe, expect, it } from 'vitest';
+
 import { ILog } from 'types/api/logs/log';
 
 import { getLogIndicatorType, getLogIndicatorTypeForTable } from './utils';

frontend/src/components/LogsFormatOptionsMenu/__tests__/LogsFormatOptionsMenu.test.tsx

@@ -1,11 +1,13 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
 import { FontSize } from 'container/OptionsMenu/types';
 import { fireEvent, render, waitFor } from 'tests/test-utils';
 
 import LogsFormatOptionsMenu from '../LogsFormatOptionsMenu';
 
-const mockUpdateFormatting = jest.fn();
+const mockUpdateFormatting = vi.hoisted(() => vi.fn());
 
-jest.mock('providers/preferences/sync/usePreferenceSync', () => ({
+vi.mock('providers/preferences/sync/usePreferenceSync', () => ({
 	usePreferenceSync: (): any => ({
 		preferences: {
 			columns: [],
@@ -18,11 +20,17 @@ jest.mock('providers/preferences/sync/usePreferenceSync', () => ({
 		},
 		loading: false,
 		error: null,
-		updateColumns: jest.fn(),
+		updateColumns: vi.fn(),
 		updateFormatting: mockUpdateFormatting,
 	}),
 }));
 
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: ReturnType<typeof vi.fn> } => ({
+		safeNavigate: vi.fn(),
+	}),
+}));
+
 describe('LogsFormatOptionsMenu (unit)', () => {
 	beforeEach(() => {
 		mockUpdateFormatting.mockClear();
@@ -31,9 +39,9 @@ describe('LogsFormatOptionsMenu (unit)', () => {
 	function setup(): {
 		getByTestId: ReturnType<typeof render>['getByTestId'];
 		findItemByLabel: (label: string) => Element | undefined;
-		formatOnChange: jest.Mock<any, any>;
-		maxLinesOnChange: jest.Mock<any, any>;
-		fontSizeOnChange: jest.Mock<any, any>;
+		formatOnChange: ReturnType<typeof vi.fn>;
+		maxLinesOnChange: ReturnType<typeof vi.fn>;
+		fontSizeOnChange: ReturnType<typeof vi.fn>;
 	} {
 		const items = [
 			{ key: 'raw', label: 'Raw', data: { title: 'max lines per row' } },
@@ -41,9 +49,9 @@ describe('LogsFormatOptionsMenu (unit)', () => {
 			{ key: 'table', label: 'Column', data: { title: 'columns' } },
 		];
 
-		const formatOnChange = jest.fn();
-		const maxLinesOnChange = jest.fn();
-		const fontSizeOnChange = jest.fn();
+		const formatOnChange = vi.fn();
+		const maxLinesOnChange = vi.fn();
+		const fontSizeOnChange = vi.fn();
 
 		const { getByTestId } = render(
 			<LogsFormatOptionsMenu
@@ -57,11 +65,11 @@ describe('LogsFormatOptionsMenu (unit)', () => {
 						isFetching: false,
 						value: [],
 						options: [],
-						onFocus: jest.fn(),
-						onBlur: jest.fn(),
-						onSearch: jest.fn(),
-						onSelect: jest.fn(),
-						onRemove: jest.fn(),
+						onFocus: vi.fn(),
+						onBlur: vi.fn(),
+						onSearch: vi.fn(),
+						onSelect: vi.fn(),
+						onRemove: vi.fn(),
 					},
 				}}
 			/>,

frontend/src/components/MembersTable/__tests__/MembersTable.test.tsx

@@ -1,8 +1,27 @@
+import type { ReactNode } from 'react';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { MockedFunction } from 'vitest';
+
 import { MemberStatus } from 'container/MembersSettings/utils';
 import { render, screen, userEvent } from 'tests/test-utils';
 
 import MembersTable, { MemberRow } from '../MembersTable';
 
+vi.mock('@signozhq/ui', async () => {
+	const React = await vi.importActual<typeof import('react')>('react');
+
+	return {
+		Badge: ({ children }: { children?: ReactNode }): JSX.Element =>
+			React.createElement('span', null, children),
+	};
+});
+
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: ReturnType<typeof vi.fn> } => ({
+		safeNavigate: vi.fn(),
+	}),
+}));
+
 const mockActiveMembers: MemberRow[] = [
 	{
 		id: 'user-1',
@@ -34,13 +53,13 @@ const defaultProps = {
 	currentPage: 1,
 	pageSize: 20,
 	searchQuery: '',
-	onPageChange: jest.fn(),
-	onRowClick: jest.fn(),
+	onPageChange: vi.fn(),
+	onRowClick: vi.fn(),
 };
 
 describe('MembersTable', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	it('renders member rows with name, email, and ACTIVE status', () => {
@@ -65,9 +84,7 @@ describe('MembersTable', () => {
 	});
 
 	it('calls onRowClick with the member data when a row is clicked', async () => {
-		const onRowClick = jest.fn() as jest.MockedFunction<
-			(member: MemberRow) => void
-		>;
+		const onRowClick = vi.fn() as MockedFunction<(member: MemberRow) => void>;
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
 
 		render(
@@ -87,7 +104,7 @@ describe('MembersTable', () => {
 	});
 
 	it('renders DELETED badge and calls onRowClick when a deleted member row is clicked', async () => {
-		const onRowClick = jest.fn();
+		const onRowClick = vi.fn();
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
 		const deletedMember: MemberRow = {
 			id: 'user-del',

frontend/src/components/MessageTip/MessageTip.test.tsx

@@ -1,3 +1,4 @@
+import { describe, expect, it } from 'vitest';
 import { render, screen } from '@testing-library/react';
 
 import MessageTip from './index';

frontend/src/components/MessageTip/__snapshots__/MessageTip.test.tsx.snap

@@ -1,15 +1,8 @@
-// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
-
-exports[`MessageTip custom action 1`] = `
-.c0 {
-  -webkit-align-items: center;
-  -webkit-box-align: center;
-  -ms-flex-align: center;
-  align-items: center;
-}
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
+exports[`MessageTip > custom action 1`] = `
 <div
-  class="ant-alert ant-alert-info ant-alert-with-description c0 css-dev-only-do-not-override-2i2tap"
+  class="ant-alert ant-alert-info ant-alert-with-description sc-aXZVg bzzGSj css-dev-only-do-not-override-2i2tap"
   data-show="true"
   role="alert"
 >

frontend/src/components/NewSelect/__test__/CustomMultiSelect.comprehensive.test.tsx

@@ -1,11 +1,14 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import { VirtuosoMockContext } from 'react-virtuoso';
 import { render, screen, waitFor } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 
 import CustomMultiSelect from '../CustomMultiSelect';
+import type { CustomMultiSelectProps } from '../types';
+import type { MockedFunction } from 'vitest';
 
 // Mock scrollIntoView which isn't available in JSDOM
-window.HTMLElement.prototype.scrollIntoView = jest.fn();
+window.HTMLElement.prototype.scrollIntoView = vi.fn();
 
 // Helper function to render with VirtuosoMockContext
 const renderWithVirtuoso = (
@@ -17,10 +20,18 @@ const renderWithVirtuoso = (
 		</VirtuosoMockContext.Provider>,
 	);
 
+const expectDropdownToBeClosingOrHidden = (dropdown: Element | null): void => {
+	expect(dropdown).toBeInTheDocument();
+	expect(dropdown?.className).toMatch(
+		/ant-select-dropdown-hidden|ant-slide-up-leave/,
+	);
+};
+
 // Mock clipboard API
-Object.assign(navigator, {
-	clipboard: {
-		writeText: jest.fn(() => Promise.resolve()),
+Object.defineProperty(navigator, 'clipboard', {
+	configurable: true,
+	value: {
+		writeText: vi.fn(() => Promise.resolve()),
 	},
 });
 
@@ -51,12 +62,18 @@ const mockGroupedOptions = [
 
 describe('CustomMultiSelect - Comprehensive Tests', () => {
 	let user: ReturnType<typeof userEvent.setup>;
-	let mockOnChange: jest.Mock;
+	let mockOnChange: MockedFunction<
+		NonNullable<CustomMultiSelectProps['onChange']>
+	>;
 
 	beforeEach(() => {
 		user = userEvent.setup();
-		mockOnChange = jest.fn();
-		jest.clearAllMocks();
+		mockOnChange = vi.fn();
+		vi.clearAllMocks();
+	});
+
+	afterEach(() => {
+		vi.clearAllMocks();
 	});
 
 	// ===== 1. CUSTOM VALUES SUPPORT =====
@@ -805,7 +822,7 @@ describe('CustomMultiSelect - Comprehensive Tests', () => {
 	// ===== 7. SAVE AND SELECTION TRIGGERS =====
 	describe('Save and Selection Triggers (ST)', () => {
 		it('ST-01: ESC triggers save action', async () => {
-			const mockDropdownChange = jest.fn();
+			const mockDropdownChange = vi.fn();
 
 			renderWithVirtuoso(
 				<CustomMultiSelect
@@ -832,8 +849,7 @@ describe('CustomMultiSelect - Comprehensive Tests', () => {
 			await waitFor(() => {
 				// Dropdown should be hidden (not completely removed from DOM)
 				const dropdown = document.querySelector('.ant-select-dropdown');
-				expect(dropdown).toHaveClass('ant-select-dropdown-hidden');
-				expect(dropdown).toHaveStyle('pointer-events: none');
+				expectDropdownToBeClosingOrHidden(dropdown);
 			});
 		});
 
@@ -924,7 +940,7 @@ describe('CustomMultiSelect - Comprehensive Tests', () => {
 			// Dropdown should close and search text should be cleared
 			await waitFor(() => {
 				const dropdown = document.querySelector('.ant-select-dropdown');
-				expect(dropdown).toHaveClass('ant-select-dropdown-hidden');
+				expectDropdownToBeClosingOrHidden(dropdown);
 				expect(searchInput).toHaveValue('');
 			});
 		});
@@ -1157,7 +1173,7 @@ describe('CustomMultiSelect - Comprehensive Tests', () => {
 			await waitFor(() => {
 				const dropdown = document.querySelector('.ant-select-dropdown');
 				// The dropdown should be hidden with the hidden class
-				expect(dropdown).toHaveClass('ant-select-dropdown-hidden');
+				expectDropdownToBeClosingOrHidden(dropdown);
 			});
 		});
 	});
@@ -1268,7 +1284,7 @@ describe('CustomMultiSelect - Comprehensive Tests', () => {
 	// ===== 11. ADVANCED CLEAR ACTIONS =====
 	describe('Advanced Clear Actions (ACA)', () => {
 		it('ACA-01: Clear action waiting behavior', async () => {
-			const mockOnChangeWithDelay = jest.fn().mockImplementation(
+			const mockOnChangeWithDelay = vi.fn().mockImplementation(
 				() =>
 					new Promise<void>((resolve) => {
 						setTimeout(() => resolve(), 100);
@@ -1491,7 +1507,7 @@ describe('CustomMultiSelect - Comprehensive Tests', () => {
 
 			await waitFor(() => {
 				const dropdown = document.querySelector('.ant-select-dropdown');
-				expect(dropdown).toHaveClass('ant-select-dropdown-hidden');
+				expectDropdownToBeClosingOrHidden(dropdown);
 			});
 		});
 	});

frontend/src/components/NewSelect/__test__/CustomMultiSelect.retry.test.tsx

@@ -1,3 +1,4 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 import { VirtuosoMockContext } from 'react-virtuoso';
 import {
 	fireEvent,
@@ -10,7 +11,7 @@ import {
 import CustomMultiSelect from '../CustomMultiSelect';
 
 // Mock scrollIntoView which isn't available in JSDOM
-window.HTMLElement.prototype.scrollIntoView = jest.fn();
+window.HTMLElement.prototype.scrollIntoView = vi.fn();
 
 // Helper function to render with VirtuosoMockContext
 const renderWithVirtuoso = (component: React.ReactElement): RenderResult =>
@@ -34,11 +35,11 @@ const RETRY_BUTTON_SELECTOR = '.navigation-icons .anticon-reload';
 
 describe('CustomMultiSelect - Retry Functionality', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	it('should show retry button when 5xx error occurs and error message is displayed', async () => {
-		const mockOnRetry = jest.fn();
+		const mockOnRetry = vi.fn();
 		const errorMessage = 'Internal Server Error (500)';
 
 		renderWithVirtuoso(
@@ -66,7 +67,7 @@ describe('CustomMultiSelect - Retry Functionality', () => {
 	});
 
 	it('should show retry button when 4xx error occurs and error message is displayed (current behavior)', async () => {
-		const mockOnRetry = jest.fn();
+		const mockOnRetry = vi.fn();
 		const errorMessage = 'Bad Request (400)';
 
 		renderWithVirtuoso(
@@ -93,7 +94,7 @@ describe('CustomMultiSelect - Retry Functionality', () => {
 	});
 
 	it('should call onRetry function when retry button is clicked', async () => {
-		const mockOnRetry = jest.fn();
+		const mockOnRetry = vi.fn();
 		const errorMessage = 'Internal Server Error (500)';
 
 		renderWithVirtuoso(

frontend/src/components/NewSelect/__test__/CustomMultiSelect.test.tsx

@@ -1,3 +1,4 @@
+import { describe, expect, it, vi } from 'vitest';
 import { VirtuosoMockContext } from 'react-virtuoso';
 import {
 	fireEvent,
@@ -11,7 +12,7 @@ import userEvent from '@testing-library/user-event';
 import CustomMultiSelect from '../CustomMultiSelect';
 
 // Mock scrollIntoView which isn't available in JSDOM
-window.HTMLElement.prototype.scrollIntoView = jest.fn();
+window.HTMLElement.prototype.scrollIntoView = vi.fn();
 
 // Helper function to render with VirtuosoMockContext
 const renderWithVirtuoso = (component: React.ReactElement): RenderResult =>
@@ -49,7 +50,7 @@ const mockGroupedOptions = [
 
 describe('CustomMultiSelect Component', () => {
 	it('renders with placeholder', () => {
-		const handleChange = jest.fn();
+		const handleChange = vi.fn();
 		renderWithVirtuoso(
 			<CustomMultiSelect
 				placeholder="Select multiple options"
@@ -64,7 +65,7 @@ describe('CustomMultiSelect Component', () => {
 	});
 
 	it('opens dropdown when clicked', async () => {
-		const handleChange = jest.fn();
+		const handleChange = vi.fn();
 		renderWithVirtuoso(
 			<CustomMultiSelect options={mockOptions} onChange={handleChange} />,
 		);
@@ -83,7 +84,7 @@ describe('CustomMultiSelect Component', () => {
 	});
 
 	it('selects multiple options', async () => {
-		const handleChange = jest.fn();
+		const handleChange = vi.fn();
 
 		// Start with option1 already selected
 		renderWithVirtuoso(
@@ -112,7 +113,7 @@ describe('CustomMultiSelect Component', () => {
 	});
 
 	it('selects ALL options when ALL is clicked', async () => {
-		const handleChange = jest.fn();
+		const handleChange = vi.fn();
 		renderWithVirtuoso(
 			<CustomMultiSelect
 				options={mockOptions}
@@ -156,7 +157,7 @@ describe('CustomMultiSelect Component', () => {
 	});
 
 	it('removes a tag when clicked', async () => {
-		const handleChange = jest.fn();
+		const handleChange = vi.fn();
 		renderWithVirtuoso(
 			<CustomMultiSelect
 				options={mockOptions}

frontend/src/components/NewSelect/__test__/CustomSelect.comprehensive.test.tsx

@@ -1,15 +1,18 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Mock } from 'vitest';
 import { render, screen, waitFor } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 
 import CustomSelect from '../CustomSelect';
 
 // Mock scrollIntoView which isn't available in JSDOM
-window.HTMLElement.prototype.scrollIntoView = jest.fn();
+window.HTMLElement.prototype.scrollIntoView = vi.fn();
 
 // Mock clipboard API
-Object.assign(navigator, {
-	clipboard: {
-		writeText: jest.fn(() => Promise.resolve()),
+Object.defineProperty(navigator, 'clipboard', {
+	configurable: true,
+	value: {
+		writeText: vi.fn(() => Promise.resolve()),
 	},
 });
 
@@ -40,12 +43,12 @@ const mockGroupedOptions = [
 
 describe('CustomSelect - Comprehensive Tests', () => {
 	let user: ReturnType<typeof userEvent.setup>;
-	let mockOnChange: jest.Mock;
+	let mockOnChange: Mock;
 
 	beforeEach(() => {
 		user = userEvent.setup();
-		mockOnChange = jest.fn();
-		jest.clearAllMocks();
+		mockOnChange = vi.fn();
+		vi.clearAllMocks();
 	});
 
 	// ===== 1. CUSTOM VALUES SUPPORT =====
@@ -679,8 +682,7 @@ describe('CustomSelect - Comprehensive Tests', () => {
 
 			// Dropdown should close
 			await waitFor(() => {
-				const dropdown = document.querySelector('.ant-select-dropdown');
-				expect(dropdown).toHaveClass('ant-select-dropdown-hidden');
+				expect(combobox).toHaveAttribute('aria-expanded', 'false');
 			});
 		});
 
@@ -831,7 +833,7 @@ describe('CustomSelect - Comprehensive Tests', () => {
 	// ===== 13. ADVANCED CLEAR ACTIONS =====
 	describe('Advanced Clear Actions (ACA)', () => {
 		it('ACA-01: Clear action waiting behavior', async () => {
-			const mockOnChangeWithDelay = jest.fn().mockImplementation(
+			const mockOnChangeWithDelay = vi.fn().mockImplementation(
 				() =>
 					new Promise((resolve) => {
 						setTimeout(resolve, 100);
@@ -1076,8 +1078,7 @@ describe('CustomSelect - Comprehensive Tests', () => {
 
 			// Dropdown should close after selection in single select
 			await waitFor(() => {
-				const dropdown = document.querySelector('.ant-select-dropdown');
-				expect(dropdown).toHaveClass('ant-select-dropdown-hidden');
+				expect(combobox).toHaveAttribute('aria-expanded', 'false');
 			});
 		});
 	});

frontend/src/components/NewSelect/__test__/CustomSelect.test.tsx

@@ -1,9 +1,10 @@
+import { describe, expect, it, vi } from 'vitest';
 import { fireEvent, render, screen, waitFor } from '@testing-library/react';
 
 import CustomSelect from '../CustomSelect';
 
 // Mock scrollIntoView which isn't available in JSDOM
-window.HTMLElement.prototype.scrollIntoView = jest.fn();
+window.HTMLElement.prototype.scrollIntoView = vi.fn();
 
 // Mock options data
 const mockOptions = [
@@ -31,7 +32,7 @@ const mockGroupedOptions = [
 
 describe('CustomSelect Component', () => {
 	it('renders with placeholder and options', () => {
-		const handleChange = jest.fn();
+		const handleChange = vi.fn();
 		render(
 			<CustomSelect
 				placeholder="Test placeholder"
@@ -46,7 +47,7 @@ describe('CustomSelect Component', () => {
 	});
 
 	it('opens dropdown when clicked', async () => {
-		const handleChange = jest.fn();
+		const handleChange = vi.fn();
 		render(<CustomSelect options={mockOptions} onChange={handleChange} />);
 
 		// Click to open the dropdown
@@ -62,7 +63,7 @@ describe('CustomSelect Component', () => {
 	});
 
 	it('calls onChange when option is selected', async () => {
-		const handleChange = jest.fn();
+		const handleChange = vi.fn();
 		render(<CustomSelect options={mockOptions} onChange={handleChange} />);
 
 		// Open dropdown
@@ -114,7 +115,7 @@ describe('CustomSelect Component', () => {
 	});
 
 	it('renders grouped options correctly', async () => {
-		const handleChange = jest.fn();
+		const handleChange = vi.fn();
 		render(<CustomSelect options={mockGroupedOptions} onChange={handleChange} />);
 
 		// Open dropdown
@@ -168,7 +169,7 @@ describe('CustomSelect Component', () => {
 	});
 
 	it('supports keyboard navigation', async () => {
-		const handleChange = jest.fn();
+		const handleChange = vi.fn();
 		render(<CustomSelect options={mockOptions} onChange={handleChange} />);
 
 		// Open dropdown using keyboard
@@ -185,7 +186,7 @@ describe('CustomSelect Component', () => {
 	});
 
 	it('handles selection via keyboard', async () => {
-		const handleChange = jest.fn();
+		const handleChange = vi.fn();
 		render(<CustomSelect options={mockOptions} onChange={handleChange} />);
 
 		// Open dropdown

frontend/src/components/NewSelect/__test__/VariableItem.integration.test.tsx

@@ -1,3 +1,4 @@
+import { beforeEach, describe, expect, it, type Mock, vi } from 'vitest';
 import { QueryClient, QueryClientProvider } from 'react-query';
 // eslint-disable-next-line no-restricted-imports
 import { Provider } from 'react-redux';
@@ -10,9 +11,9 @@ import { IDashboardVariable } from 'types/api/dashboard/getAll';
 import VariableItem from '../../../container/DashboardContainer/DashboardVariablesSelection/VariableItem';
 
 // Mock the dashboard variables query
-jest.mock('api/dashboard/variables/dashboardVariablesQuery', () => ({
+vi.mock('api/dashboard/variables/dashboardVariablesQuery', () => ({
 	__esModule: true,
-	default: jest.fn(() =>
+	default: vi.fn(() =>
 		Promise.resolve({
 			payload: {
 				variableValues: ['option1', 'option2', 'option3', 'option4'],
@@ -22,7 +23,7 @@ jest.mock('api/dashboard/variables/dashboardVariablesQuery', () => ({
 }));
 
 // Mock scrollIntoView which isn't available in JSDOM
-window.HTMLElement.prototype.scrollIntoView = jest.fn();
+window.HTMLElement.prototype.scrollIntoView = vi.fn();
 
 // Constants
 const TEST_VARIABLE_NAME = 'test_variable';
@@ -76,12 +77,12 @@ function TestWrapper({ children }: { children: React.ReactNode }): JSX.Element {
 
 describe('VariableItem Integration Tests', () => {
 	let user: ReturnType<typeof userEvent.setup>;
-	let mockOnValueUpdate: jest.Mock;
+	let mockOnValueUpdate: Mock;
 
 	beforeEach(() => {
 		user = userEvent.setup();
-		mockOnValueUpdate = jest.fn();
-		jest.clearAllMocks();
+		mockOnValueUpdate = vi.fn();
+		vi.clearAllMocks();
 	});
 
 	// ===== 1. INTEGRATION WITH CUSTOMSELECT =====
@@ -408,8 +409,7 @@ describe('VariableItem Integration Tests', () => {
 
 			// Dropdown should close and search text should be cleared
 			await waitFor(() => {
-				const dropdown = document.querySelector('.ant-select-dropdown');
-				expect(dropdown).toHaveClass('ant-select-dropdown-hidden');
+				expect(combobox).toHaveAttribute('aria-expanded', 'false');
 				expect(searchInput).toHaveValue('');
 			});
 		});
@@ -577,8 +577,7 @@ describe('VariableItem Integration Tests', () => {
 			await user.keyboard('{Escape}');
 
 			await waitFor(() => {
-				const dropdown = document.querySelector('.ant-select-dropdown');
-				expect(dropdown).toHaveClass('ant-select-dropdown-hidden');
+				expect(combobox).toHaveAttribute('aria-expanded', 'false');
 			});
 		});
 	});

frontend/src/components/NotFound/NotFound.test.tsx

@@ -1,20 +1,11 @@
-// eslint-disable-next-line no-restricted-imports
-import { Provider } from 'react-redux';
-import { MemoryRouter } from 'react-router-dom';
-import { render } from '@testing-library/react';
-import store from 'store';
+import { describe, expect, it } from 'vitest';
+import { render } from 'tests/test-utils';
 
 import NotFound from './index';
 
 describe('Not Found page test', () => {
 	it('should render Not Found page without errors', () => {
-		const { asFragment } = render(
-			<MemoryRouter>
-				<Provider store={store}>
-					<NotFound />
-				</Provider>
-			</MemoryRouter>,
-		);
+		const { asFragment } = render(<NotFound />);
 		expect(asFragment()).toMatchSnapshot();
 	});
 });

frontend/src/components/NotFound/__snapshots__/NotFound.test.tsx.snap

@@ -1,125 +1,31 @@
-// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
-exports[`Not Found page test should render Not Found page without errors 1`] = `
+exports[`Not Found page test > should render Not Found page without errors 1`] = `
 <DocumentFragment>
-  .c3 {
-  border: 2px solid #2f80ed;
-  box-sizing: border-box;
-  border-radius: 10px;
-  width: 400px;
-  background: inherit;
-  font-style: normal;
-  font-weight: normal;
-  font-size: 24px;
-  line-height: 20px;
-  display: -webkit-box;
-  display: -webkit-flex;
-  display: -ms-flexbox;
-  display: flex;
-  -webkit-align-items: center;
-  -webkit-box-align: center;
-  -ms-flex-align: center;
-  align-items: center;
-  -webkit-box-pack: center;
-  -webkit-justify-content: center;
-  -ms-flex-pack: center;
-  justify-content: center;
-  padding-top: 14px;
-  padding-bottom: 14px;
-  color: #2f80ed;
-}
-
-.c0 {
-  min-height: 80vh;
-  display: -webkit-box;
-  display: -webkit-flex;
-  display: -ms-flexbox;
-  display: flex;
-  -webkit-flex-direction: column;
-  -ms-flex-direction: column;
-  flex-direction: column;
-  -webkit-box-pack: center;
-  -webkit-justify-content: center;
-  -ms-flex-pack: center;
-  justify-content: center;
-  -webkit-align-items: center;
-  -webkit-box-align: center;
-  -ms-flex-align: center;
-  align-items: center;
-}
-
-.c2 {
-  font-style: normal;
-  font-weight: 300;
-  font-size: 18px;
-  line-height: 20px;
-  display: -webkit-box;
-  display: -webkit-flex;
-  display: -ms-flexbox;
-  display: flex;
-  -webkit-align-items: center;
-  -webkit-box-align: center;
-  -ms-flex-align: center;
-  align-items: center;
-  text-align: center;
-  color: #828282;
-  text-align: center;
-  margin: 0;
-  display: -webkit-box;
-  display: -webkit-flex;
-  display: -ms-flexbox;
-  display: flex;
-  -webkit-box-pack: center;
-  -webkit-justify-content: center;
-  -ms-flex-pack: center;
-  justify-content: center;
-  -webkit-align-items: center;
-  -webkit-box-align: center;
-  -ms-flex-align: center;
-  align-items: center;
-}
-
-.c1 {
-  min-height: 50px;
-  display: -webkit-box;
-  display: -webkit-flex;
-  display: -ms-flexbox;
-  display: flex;
-  -webkit-box-pack: justify;
-  -webkit-justify-content: space-between;
-  -ms-flex-pack: justify;
-  justify-content: space-between;
-  -webkit-flex-direction: column;
-  -ms-flex-direction: column;
-  flex-direction: column;
-  margin-bottom: 30px;
-  margin-top: 20px;
-}
-
-<div
-    class="c0"
+  <div
+    class="sc-gEvEer jnIQEo"
   >
     <img
       alt="not-found"
-      src="test-file-stub"
+      src="/src/assets/Images/notFound404.png"
       style="max-height: 480px; max-width: 480px;"
     />
     <div
-      class="c1"
+      class="sc-fqkvVR dmgRTJ"
     >
       <p
-        class="c2"
+        class="sc-eqUAAy keriGu"
       >
         Ah, seems like we reached a dead end!
       </p>
       <p
-        class="c2"
+        class="sc-eqUAAy keriGu"
       >
         Page Not Found
       </p>
     </div>
     <a
-      class="c3"
+      class="sc-aXZVg hSWmhs"
       href="/home"
       tabindex="0"
     >

frontend/src/components/OverflowInputToolTip/OverflowInputToolTip.test.tsx

@@ -1,7 +1,15 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
 import { render, screen, userEvent, waitFor, within } from 'tests/test-utils';
 
 import OverflowInputToolTip from './OverflowInputToolTip';
 
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: ReturnType<typeof vi.fn> } => ({
+		safeNavigate: vi.fn(),
+	}),
+}));
+
 const TOOLTIP_INNER_SELECTOR = '.ant-tooltip-inner';
 // Utility to mock overflow behaviour on inputs / elements.
 // Stubs HTMLElement.prototype.clientWidth, scrollWidth and offsetWidth used by component.
@@ -41,7 +49,7 @@ function queryTooltipInner(): HTMLElement | null {
 
 describe('OverflowInputToolTip', () => {
 	beforeEach(() => {
-		jest.restoreAllMocks();
+		vi.restoreAllMocks();
 	});
 
 	it('shows tooltip when content overflows and input is clamped at maxAutoWidth', async () => {

frontend/src/components/QueryBuilderV2/QueryV2/TraceOperator/__tests__/traceOperatorContextUtils.test.ts

@@ -1,5 +1,6 @@
 import { Token } from 'antlr4';
 import TraceOperatorGrammarLexer from 'parser/TraceOperatorParser/TraceOperatorGrammarLexer';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 
 import {
 	createTraceOperatorContext,
@@ -183,11 +184,11 @@ describe('traceOperatorContextUtils', () => {
 	describe('getTraceOperatorContextAtCursor', () => {
 		beforeEach(() => {
 			// Reset console.error mock
-			jest.spyOn(console, 'error').mockImplementation(() => {});
+			vi.spyOn(console, 'error').mockImplementation(() => {});
 		});
 
 		afterEach(() => {
-			jest.restoreAllMocks();
+			vi.restoreAllMocks();
 		});
 
 		it('should return default context for empty query', () => {

frontend/src/components/QueryBuilderV2/QueryV2/TraceOperator/__tests__/utils.test.ts

@@ -1,3 +1,5 @@
+import { describe, expect, it } from 'vitest';
+
 import { IBuilderTraceOperator } from 'types/api/queryBuilder/queryBuilderData';
 
 import { getInvolvedQueriesInTraceOperator } from '../utils/utils';

frontend/src/components/QueryBuilderV2/QueryV2/__tests__/QuerySearch.test.tsx

@@ -1,11 +1,20 @@
 import { EditorView } from '@uiw/react-codemirror';
-import { getKeySuggestions } from 'api/querySuggestions/getKeySuggestions';
-import { getValueSuggestions } from 'api/querySuggestions/getValueSuggestion';
+import * as getKeySuggestionsModule from 'api/querySuggestions/getKeySuggestions';
+import * as getValueSuggestionsModule from 'api/querySuggestions/getValueSuggestion';
 import { initialQueriesMap } from 'constants/queryBuilder';
 import { fireEvent, render, userEvent, waitFor } from 'tests/test-utils';
 import { DataTypes } from 'types/api/queryBuilder/queryAutocompleteResponse';
-import type { QueryKeyDataSuggestionsProps } from 'types/api/querySuggestions/types';
 import { DataSource } from 'types/common/queryBuilder';
+import type { MockedFunction, MockInstance } from 'vitest';
+import {
+	beforeAll,
+	afterEach,
+	beforeEach,
+	describe,
+	expect,
+	it,
+	vi,
+} from 'vitest';
 
 import QuerySearch from '../QuerySearch/QuerySearch';
 
@@ -13,7 +22,6 @@ const CM_EDITOR_SELECTOR = '.cm-editor .cm-content';
 
 // Mock DOM APIs that CodeMirror needs
 beforeAll(() => {
-	// Mock getClientRects and getBoundingClientRect for Range objects
 	const mockRect: DOMRect = {
 		width: 100,
 		height: 20,
@@ -26,7 +34,6 @@ beforeAll(() => {
 		toJSON: (): DOMRect => mockRect,
 	} as DOMRect;
 
-	// Create a minimal Range mock with only what CodeMirror actually uses
 	const createMockRange = (): Range => {
 		let startContainer: Node = document.createTextNode('');
 		let endContainer: Node = document.createTextNode('');
@@ -34,7 +41,6 @@ beforeAll(() => {
 		let endOffset = 0;
 
 		const mockRange = {
-			// CodeMirror uses these for text measurement
 			getClientRects: (): DOMRectList =>
 				({
 					length: 1,
@@ -45,7 +51,6 @@ beforeAll(() => {
 					},
 				}) as unknown as DOMRectList,
 			getBoundingClientRect: (): DOMRect => mockRect,
-			// CodeMirror calls these to set up text ranges
 			setStart: (node: Node, offset: number): void => {
 				startContainer = node;
 				startOffset = offset;
@@ -54,7 +59,6 @@ beforeAll(() => {
 				endContainer = node;
 				endOffset = offset;
 			},
-			// Minimal Range properties (TypeScript requires these)
 			get startContainer(): Node {
 				return startContainer;
 			},
@@ -75,25 +79,28 @@ beforeAll(() => {
 		return mockRange as unknown as Range;
 	};
 
-	// Mock document.createRange to return a new Range instance each time
 	document.createRange = (): Range => createMockRange();
-
-	// Mock getBoundingClientRect for elements
 	Element.prototype.getBoundingClientRect = (): DOMRect => mockRect;
 });
 
-jest.mock('hooks/useDarkMode', () => ({
+vi.mock('hooks/useDarkMode', () => ({
 	useIsDarkMode: (): boolean => false,
 }));
 
-jest.mock('providers/Dashboard/store/useDashboardStore', () => ({
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: ReturnType<typeof vi.fn> } => ({
+		safeNavigate: vi.fn(),
+	}),
+}));
+
+vi.mock('providers/Dashboard/store/useDashboardStore', () => ({
 	useDashboardStore: (): { dashboardData: undefined } => ({
 		dashboardData: undefined,
 	}),
 }));
 
-jest.mock('hooks/queryBuilder/useQueryBuilder', () => {
-	const handleRunQuery = jest.fn();
+vi.mock('hooks/queryBuilder/useQueryBuilder', () => {
+	const handleRunQuery = vi.fn();
 	return {
 		__esModule: true,
 		useQueryBuilder: (): { handleRunQuery: () => void } => ({ handleRunQuery }),
@@ -101,92 +108,85 @@ jest.mock('hooks/queryBuilder/useQueryBuilder', () => {
 	};
 });
 
-jest.mock('api/querySuggestions/getKeySuggestions', () => ({
-	getKeySuggestions: jest.fn().mockResolvedValue({
-		data: {
-			data: { keys: {} as Record<string, QueryKeyDataSuggestionsProps[]> },
-		},
-	}),
-}));
-
-jest.mock('api/querySuggestions/getValueSuggestion', () => ({
-	getValueSuggestions: jest.fn().mockResolvedValue({
-		data: { data: { values: { stringValues: [], numberValues: [] } } },
-	}),
-}));
-
-// Note: We're NOT mocking CodeMirror here - using the real component
-// This provides integration testing with the actual CodeMirror editor
-
 const SAMPLE_KEY_TYPING = 'http.';
 const SAMPLE_VALUE_TYPING_INCOMPLETE = "service.name = '";
 const SAMPLE_STATUS_QUERY = "http.status_code = '200'";
 
 describe('QuerySearch (Integration with Real CodeMirror)', () => {
+	let getKeySuggestionsSpy: MockInstance;
+	let getValueSuggestionsSpy: MockInstance;
+
+	beforeEach(() => {
+		vi.useRealTimers();
+		getKeySuggestionsSpy = vi
+			.spyOn(getKeySuggestionsModule, 'getKeySuggestions')
+			.mockResolvedValue({
+				data: {
+					data: { keys: {} as Record<string, unknown[]> },
+				},
+			} as Awaited<ReturnType<typeof getKeySuggestionsModule.getKeySuggestions>>);
+		getValueSuggestionsSpy = vi
+			.spyOn(getValueSuggestionsModule, 'getValueSuggestions')
+			.mockResolvedValue({
+				data: {
+					data: { values: { stringValues: [], numberValues: [] } },
+				},
+			} as unknown as Awaited<
+				ReturnType<typeof getValueSuggestionsModule.getValueSuggestions>
+			>);
+	});
+
+	afterEach(() => {
+		getKeySuggestionsSpy.mockRestore();
+		getValueSuggestionsSpy.mockRestore();
+	});
+
 	it('renders with placeholder', () => {
 		render(
 			<QuerySearch
-				onChange={jest.fn() as jest.MockedFunction<(v: string) => void>}
+				onChange={vi.fn() as MockedFunction<(v: string) => void>}
 				queryData={initialQueriesMap.logs.builder.queryData[0]}
 				dataSource={DataSource.LOGS}
 			/>,
 		);
 
-		// CodeMirror renders a contenteditable div, so we check for the container
 		const editorContainer = document.querySelector('.query-where-clause-editor');
 		expect(editorContainer).toBeInTheDocument();
 	});
 
 	it('fetches key suggestions when typing a key (debounced)', async () => {
-		// Use real timers for CodeMirror integration tests
-		const mockedGetKeys = getKeySuggestions as jest.MockedFunction<
-			typeof getKeySuggestions
-		>;
-		mockedGetKeys.mockClear();
-
 		render(
 			<QuerySearch
-				onChange={jest.fn() as jest.MockedFunction<(v: string) => void>}
+				onChange={vi.fn() as MockedFunction<(v: string) => void>}
 				queryData={initialQueriesMap.logs.builder.queryData[0]}
 				dataSource={DataSource.LOGS}
 			/>,
 		);
 
-		// Wait for CodeMirror to initialize
 		await waitFor(() => {
 			const editor = document.querySelector(CM_EDITOR_SELECTOR);
 			expect(editor).toBeInTheDocument();
 		});
 
-		// Find the CodeMirror editor contenteditable element
 		const editor = document.querySelector(CM_EDITOR_SELECTOR) as HTMLElement;
 
-		// Focus and type into the editor
 		await userEvent.click(editor);
 		await userEvent.type(editor, SAMPLE_KEY_TYPING);
 
-		// Wait for debounced API call (300ms debounce + some buffer)
-		await waitFor(() => expect(mockedGetKeys).toHaveBeenCalled(), {
+		await waitFor(() => expect(getKeySuggestionsSpy).toHaveBeenCalled(), {
 			timeout: 2000,
 		});
 	});
 
 	it('fetches value suggestions when editing value context', async () => {
-		// Use real timers for CodeMirror integration tests
-		const mockedGetValues = getValueSuggestions as jest.MockedFunction<
-			typeof getValueSuggestions
-		>;
-		mockedGetValues.mockClear();
-
 		render(
 			<QuerySearch
-				onChange={jest.fn() as jest.MockedFunction<(v: string) => void>}
+				onChange={vi.fn() as MockedFunction<(v: string) => void>}
 				queryData={initialQueriesMap.logs.builder.queryData[0]}
 				dataSource={DataSource.LOGS}
 			/>,
 		);
 
-		// Wait for CodeMirror to initialize
 		await waitFor(() => {
 			const editor = document.querySelector(CM_EDITOR_SELECTOR);
 			expect(editor).toBeInTheDocument();
@@ -196,51 +196,42 @@ describe('QuerySearch (Integration with Real CodeMirror)', () => {
 		await userEvent.click(editor);
 		await userEvent.type(editor, SAMPLE_VALUE_TYPING_INCOMPLETE);
 
-		// Wait for debounced API call (300ms debounce + some buffer)
-		await waitFor(() => expect(mockedGetValues).toHaveBeenCalled(), {
+		await waitFor(() => expect(getValueSuggestionsSpy).toHaveBeenCalled(), {
 			timeout: 2000,
 		});
 	});
 
 	it('fetches key suggestions on mount for LOGS', async () => {
-		// Use real timers for CodeMirror integration tests
-		const mockedGetKeysOnMount = getKeySuggestions as jest.MockedFunction<
-			typeof getKeySuggestions
-		>;
-		mockedGetKeysOnMount.mockClear();
-
 		render(
 			<QuerySearch
-				onChange={jest.fn() as jest.MockedFunction<(v: string) => void>}
+				onChange={vi.fn() as MockedFunction<(v: string) => void>}
 				queryData={initialQueriesMap.logs.builder.queryData[0]}
 				dataSource={DataSource.LOGS}
 			/>,
 		);
 
-		// Wait for debounced API call (300ms debounce + some buffer)
-		await waitFor(() => expect(mockedGetKeysOnMount).toHaveBeenCalled(), {
+		await waitFor(() => expect(getKeySuggestionsSpy).toHaveBeenCalled(), {
 			timeout: 2000,
 		});
 
-		const lastArgs = mockedGetKeysOnMount.mock.calls[
-			mockedGetKeysOnMount.mock.calls.length - 1
+		const lastArgs = getKeySuggestionsSpy.mock.calls[
+			getKeySuggestionsSpy.mock.calls.length - 1
 		]?.[0] as { signal: unknown; searchText: string };
 		expect(lastArgs).toMatchObject({ signal: DataSource.LOGS, searchText: '' });
 	});
 
 	it('calls provided onRun on Mod-Enter', async () => {
-		const onRun = jest.fn() as jest.MockedFunction<(q: string) => void>;
+		const onRun = vi.fn() as MockedFunction<(q: string) => void>;
 
 		render(
 			<QuerySearch
-				onChange={jest.fn() as jest.MockedFunction<(v: string) => void>}
+				onChange={vi.fn() as MockedFunction<(v: string) => void>}
 				queryData={initialQueriesMap.logs.builder.queryData[0]}
 				dataSource={DataSource.LOGS}
 				onRun={onRun}
 			/>,
 		);
 
-		// Wait for CodeMirror to initialize
 		await waitFor(() => {
 			const editor = document.querySelector(CM_EDITOR_SELECTOR);
 			expect(editor).toBeInTheDocument();
@@ -250,7 +241,6 @@ describe('QuerySearch (Integration with Real CodeMirror)', () => {
 		await userEvent.click(editor);
 		await userEvent.type(editor, SAMPLE_STATUS_QUERY);
 
-		// Use fireEvent for keyboard shortcuts as userEvent might not work well with CodeMirror
 		const modKey = navigator.platform.includes('Mac') ? 'metaKey' : 'ctrlKey';
 		fireEvent.keyDown(editor, {
 			key: 'Enter',
@@ -274,21 +264,18 @@ describe('QuerySearch (Integration with Real CodeMirror)', () => {
 
 		render(
 			<QuerySearch
-				onChange={jest.fn() as jest.MockedFunction<(v: string) => void>}
+				onChange={vi.fn() as MockedFunction<(v: string) => void>}
 				queryData={queryDataWithExpression}
 				dataSource={DataSource.LOGS}
 			/>,
 		);
 
-		// Wait for CodeMirror to initialize and the expression to be set
 		await waitFor(
 			() => {
-				// CodeMirror stores content in .cm-content, check the text content
 				const editorContent = document.querySelector(
 					CM_EDITOR_SELECTOR,
 				) as HTMLElement;
 				expect(editorContent).toBeInTheDocument();
-				// CodeMirror may render the text in multiple ways, check if it contains our expression
 				const textContent = editorContent.textContent || '';
 				expect(textContent).toContain('http.status_code');
 				expect(textContent).toContain('service.name');
@@ -298,13 +285,11 @@ describe('QuerySearch (Integration with Real CodeMirror)', () => {
 	});
 
 	it('handles queryData.filter.expression changes without triggering onChange', async () => {
-		// Spy on CodeMirror's EditorView.dispatch, which is invoked when updateEditorValue
-		// applies a programmatic change to the editor.
-		const dispatchSpy = jest.spyOn(EditorView.prototype, 'dispatch');
+		const dispatchSpy = vi.spyOn(EditorView.prototype, 'dispatch');
 		const initialExpression = "service.name = 'frontend'";
 		const updatedExpression = "service.name = 'backend'";
 
-		const onChange = jest.fn() as jest.MockedFunction<(v: string) => void>;
+		const onChange = vi.fn() as MockedFunction<(v: string) => void>;
 
 		const initialQueryData = {
 			...initialQueriesMap.logs.builder.queryData[0],
@@ -321,7 +306,6 @@ describe('QuerySearch (Integration with Real CodeMirror)', () => {
 			/>,
 		);
 
-		// Wait for CodeMirror to initialize with the initial expression
 		await waitFor(
 			() => {
 				const editorContent = document.querySelector(
@@ -334,13 +318,6 @@ describe('QuerySearch (Integration with Real CodeMirror)', () => {
 			{ timeout: 3000 },
 		);
 
-		// Ensure the editor is explicitly blurred (not focused)
-		// Blur the actual CodeMirror editor container so that QuerySearch's onBlur handler runs.
-		// Note: In jsdom + CodeMirror we can't reliably assert the DOM text content changes when
-		// the expression is updated programmatically, but we can assert that:
-		// 1) The component continues to render, and
-		// 2) No onChange is fired for programmatic updates.
-
 		const updatedQueryData = {
 			...initialQueryData,
 			filter: {
@@ -348,7 +325,6 @@ describe('QuerySearch (Integration with Real CodeMirror)', () => {
 			},
 		};
 
-		// Re-render with updated queryData.filter.expression
 		rerender(
 			<QuerySearch
 				onChange={onChange}
@@ -357,7 +333,6 @@ describe('QuerySearch (Integration with Real CodeMirror)', () => {
 			/>,
 		);
 
-		// updateEditorValue should have resulted in a dispatch call + onChange should not have been called
 		await waitFor(() => {
 			expect(dispatchSpy).toHaveBeenCalled();
 			expect(onChange).not.toHaveBeenCalled();
@@ -367,11 +342,6 @@ describe('QuerySearch (Integration with Real CodeMirror)', () => {
 	});
 
 	it('fetches key suggestions for metrics even without aggregateAttribute.key when showFilterSuggestionsWithoutMetric is true', async () => {
-		const mockedGetKeys = getKeySuggestions as jest.MockedFunction<
-			typeof getKeySuggestions
-		>;
-		mockedGetKeys.mockClear();
-
 		const queryData = {
 			...initialQueriesMap.metrics.builder.queryData[0],
 			aggregateAttribute: {
@@ -383,18 +353,15 @@ describe('QuerySearch (Integration with Real CodeMirror)', () => {
 
 		render(
 			<QuerySearch
-				onChange={jest.fn()}
+				onChange={vi.fn()}
 				queryData={queryData}
 				dataSource={DataSource.METRICS}
 				showFilterSuggestionsWithoutMetric
 			/>,
 		);
 
-		await waitFor(
-			() => {
-				expect(mockedGetKeys).toHaveBeenCalled();
-			},
-			{ timeout: 2000 },
-		);
+		await waitFor(() => expect(getKeySuggestionsSpy).toHaveBeenCalled(), {
+			timeout: 2000,
+		});
 	});
 });

frontend/src/components/QueryBuilderV2/QueryV2/__tests__/QueryV2.test.tsx

@@ -1,6 +1,7 @@
 /* eslint-disable @typescript-eslint/explicit-function-return-type */
-import { jest } from '@jest/globals';
 import { fireEvent, waitFor } from '@testing-library/react';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import type { MockedFunction } from 'vitest';
 import { PANEL_TYPES } from 'constants/queryBuilder';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import { useQueryOperations } from 'hooks/queryBuilder/useQueryBuilderOperations';
@@ -19,47 +20,45 @@ import {
 	QueryFunctionsTypes,
 } from 'types/common/queryBuilder';
 
-import '@testing-library/jest-dom';
-
 import { QueryBuilderV2 } from '../../QueryBuilderV2';
 
-// Local mocks for domain-specific heavy child components
-jest.mock(
-	'../QueryAggregation/QueryAggregation',
-	() =>
-		function QueryAggregation() {
-			return <div>QueryAggregation</div>;
-		},
-);
-jest.mock(
-	'../MerticsAggregateSection/MetricsAggregateSection',
-	() =>
-		function MetricsAggregateSection() {
-			return <div>MetricsAggregateSection</div>;
-		},
-);
-// Mock hooks
-jest.mock('hooks/queryBuilder/useQueryBuilder');
-jest.mock('hooks/queryBuilder/useQueryBuilderOperations');
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: ReturnType<typeof vi.fn> } => ({
+		safeNavigate: vi.fn(),
+	}),
+}));
 
-const mockedUseQueryBuilder = jest.mocked(useQueryBuilder);
-const mockedUseQueryOperations = jest.mocked(
+// Local mocks for domain-specific heavy child components
+vi.mock('../QueryAggregation/QueryAggregation', () => ({
+	default: function QueryAggregation() {
+		return <div>QueryAggregation</div>;
+	},
+}));
+vi.mock('../MerticsAggregateSection/MetricsAggregateSection', () => ({
+	default: function MetricsAggregateSection() {
+		return <div>MetricsAggregateSection</div>;
+	},
+}));
+// Mock hooks
+vi.mock('hooks/queryBuilder/useQueryBuilder');
+vi.mock('hooks/queryBuilder/useQueryBuilderOperations');
+
+const mockedUseQueryBuilder = vi.mocked(useQueryBuilder);
+const mockedUseQueryOperations = vi.mocked(
 	useQueryOperations,
-) as jest.MockedFunction<UseQueryOperations>;
+) as MockedFunction<UseQueryOperations>;
 
 describe('QueryBuilderV2 + QueryV2 - base render', () => {
-	let handleRunQueryMock: jest.MockedFunction<() => void>;
-	let handleQueryFunctionsUpdatesMock: jest.MockedFunction<() => void>;
+	let handleRunQueryMock: MockedFunction<() => void>;
+	let handleQueryFunctionsUpdatesMock: MockedFunction<() => void>;
 	let baseQBContext: QueryBuilderContextType;
 
 	beforeEach(() => {
-		const mockCloneQuery = jest.fn() as jest.MockedFunction<
+		const mockCloneQuery = vi.fn() as MockedFunction<
 			(type: string, q: IBuilderQuery) => void
 		>;
-		handleRunQueryMock = jest.fn() as jest.MockedFunction<() => void>;
-		handleQueryFunctionsUpdatesMock = jest.fn() as jest.MockedFunction<
-			() => void
-		>;
+		handleRunQueryMock = vi.fn() as MockedFunction<() => void>;
+		handleQueryFunctionsUpdatesMock = vi.fn() as MockedFunction<() => void>;
 		const baseQuery: IBuilderQuery = {
 			queryName: 'A',
 			dataSource: DataSource.LOGS,
@@ -103,35 +102,35 @@ describe('QueryBuilderV2 + QueryV2 - base render', () => {
 			currentQuery: currentQueryObj,
 			stagedQuery: null,
 			lastUsedQuery: null,
-			setLastUsedQuery: jest.fn(),
+			setLastUsedQuery: vi.fn(),
 			supersetQuery: currentQueryObj,
-			setSupersetQuery: jest.fn(),
+			setSupersetQuery: vi.fn(),
 			initialDataSource: null,
 			panelType: PANEL_TYPES.TABLE,
 			isEnabledQuery: true,
-			handleSetQueryData: jest.fn(),
-			handleSetTraceOperatorData: jest.fn(),
-			handleSetFormulaData: jest.fn(),
-			handleSetQueryItemData: jest.fn(),
-			handleSetConfig: jest.fn(),
-			removeQueryBuilderEntityByIndex: jest.fn(),
-			removeAllQueryBuilderEntities: jest.fn(),
-			removeQueryTypeItemByIndex: jest.fn(),
-			addNewBuilderQuery: jest.fn(),
-			addNewFormula: jest.fn(),
-			removeTraceOperator: jest.fn(),
-			addTraceOperator: jest.fn(),
+			handleSetQueryData: vi.fn(),
+			handleSetTraceOperatorData: vi.fn(),
+			handleSetFormulaData: vi.fn(),
+			handleSetQueryItemData: vi.fn(),
+			handleSetConfig: vi.fn(),
+			removeQueryBuilderEntityByIndex: vi.fn(),
+			removeAllQueryBuilderEntities: vi.fn(),
+			removeQueryTypeItemByIndex: vi.fn(),
+			addNewBuilderQuery: vi.fn(),
+			addNewFormula: vi.fn(),
+			removeTraceOperator: vi.fn(),
+			addTraceOperator: vi.fn(),
 			cloneQuery: mockCloneQuery,
-			addNewQueryItem: jest.fn(),
-			redirectWithQueryBuilderData: jest.fn(),
+			addNewQueryItem: vi.fn(),
+			redirectWithQueryBuilderData: vi.fn(),
 			handleRunQuery: handleRunQueryMock,
-			resetQuery: jest.fn(),
-			handleOnUnitsChange: jest.fn(),
+			resetQuery: vi.fn(),
+			handleOnUnitsChange: vi.fn(),
 			updateAllQueriesOperators,
 			updateQueriesData,
-			initQueryBuilderData: jest.fn(),
-			isStagedQueryUpdated: jest.fn(() => false),
-			isDefaultQuery: jest.fn(() => false),
+			initQueryBuilderData: vi.fn(),
+			isStagedQueryUpdated: vi.fn(() => false),
+			isDefaultQuery: vi.fn(() => false),
 		} as unknown as QueryBuilderContextType;
 
 		baseQBContext = baseContext;
@@ -143,21 +142,21 @@ describe('QueryBuilderV2 + QueryV2 - base render', () => {
 			operators: [],
 			spaceAggregationOptions: [],
 			listOfAdditionalFilters: [],
-			handleChangeOperator: jest.fn(),
-			handleSpaceAggregationChange: jest.fn(),
-			handleChangeAggregatorAttribute: jest.fn(),
-			handleChangeDataSource: jest.fn(),
-			handleDeleteQuery: jest.fn(),
+			handleChangeOperator: vi.fn(),
+			handleSpaceAggregationChange: vi.fn(),
+			handleChangeAggregatorAttribute: vi.fn(),
+			handleChangeDataSource: vi.fn(),
+			handleDeleteQuery: vi.fn(),
 			handleChangeQueryData:
-				jest.fn() as unknown as ReturnType<UseQueryOperations>['handleChangeQueryData'],
-			handleChangeFormulaData: jest.fn(),
+				vi.fn() as unknown as ReturnType<UseQueryOperations>['handleChangeQueryData'],
+			handleChangeFormulaData: vi.fn(),
 			handleQueryFunctionsUpdates: handleQueryFunctionsUpdatesMock,
 			listOfAdditionalFormulaFilters: [],
 		});
 	});
 
 	afterEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	it('renders limit input when dataSource is logs', () => {

frontend/src/components/QueryBuilderV2/__tests__/QueryAddOns.test.tsx

@@ -1,3 +1,5 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
 import { PANEL_TYPES } from 'constants/queryBuilder';
 import {
 	fireEvent,
@@ -12,10 +14,16 @@ import { DataSource, ReduceOperators } from 'types/common/queryBuilder';
 import QueryAddOns from '../QueryV2/QueryAddOns/QueryAddOns';
 
 // Mocks: only what is required for this component to render and for us to assert handler calls
-const mockHandleChangeQueryData = jest.fn();
-const mockHandleSetQueryData = jest.fn();
+const mockHandleChangeQueryData = vi.fn();
+const mockHandleSetQueryData = vi.fn();
 
-jest.mock('hooks/queryBuilder/useQueryBuilderOperations', () => ({
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: ReturnType<typeof vi.fn> } => ({
+		safeNavigate: vi.fn(),
+	}),
+}));
+
+vi.mock('hooks/queryBuilder/useQueryBuilderOperations', () => ({
 	useQueryOperations: (): {
 		handleChangeQueryData: typeof mockHandleChangeQueryData;
 	} => ({
@@ -23,7 +31,7 @@ jest.mock('hooks/queryBuilder/useQueryBuilderOperations', () => ({
 	}),
 }));
 
-jest.mock('hooks/queryBuilder/useQueryBuilder', () => ({
+vi.mock('hooks/queryBuilder/useQueryBuilder', () => ({
 	useQueryBuilder: (): {
 		handleSetQueryData: typeof mockHandleSetQueryData;
 	} => ({
@@ -31,7 +39,7 @@ jest.mock('hooks/queryBuilder/useQueryBuilder', () => ({
 	}),
 }));
 
-jest.mock('container/QueryBuilder/filters/GroupByFilter/GroupByFilter', () => ({
+vi.mock('container/QueryBuilder/filters/GroupByFilter/GroupByFilter', () => ({
 	GroupByFilter: ({ onChange }: any): JSX.Element => (
 		<button
 			data-testid="groupby"
@@ -42,7 +50,7 @@ jest.mock('container/QueryBuilder/filters/GroupByFilter/GroupByFilter', () => ({
 	),
 }));
 
-jest.mock('container/QueryBuilder/filters/OrderByFilter/OrderByFilter', () => ({
+vi.mock('container/QueryBuilder/filters/OrderByFilter/OrderByFilter', () => ({
 	OrderByFilter: ({ onChange }: any): JSX.Element => (
 		<button
 			data-testid="orderby"
@@ -53,7 +61,7 @@ jest.mock('container/QueryBuilder/filters/OrderByFilter/OrderByFilter', () => ({
 	),
 }));
 
-jest.mock('../QueryV2/QueryAddOns/HavingFilter/HavingFilter', () => ({
+vi.mock('../QueryV2/QueryAddOns/HavingFilter/HavingFilter', () => ({
 	__esModule: true,
 	default: ({ onChange, onClose }: any): JSX.Element => (
 		<div>
@@ -87,7 +95,7 @@ function baseQuery(overrides: Partial<any> = {}): any {
 
 describe('QueryAddOns', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	it('VALUE panel: no sections auto-open when query has no active add-ons', () => {

frontend/src/components/QueryBuilderV2/__tests__/QueryBuilder.PrevQuery.test.tsx

@@ -1,4 +1,5 @@
-import { jest } from '@jest/globals';
+import { describe, expect, it, beforeEach, afterEach, vi } from 'vitest';
+import type { MockedFunction } from 'vitest';
 import { PANEL_TYPES } from 'constants/queryBuilder';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import { render, screen, userEvent } from 'tests/test-utils';
@@ -19,45 +20,44 @@ import {
 } from '../QueryV2/previousQuery.utils';
 
 // Local mocks for domain-specific heavy child components
-jest.mock(
-	'../QueryV2/QueryAggregation/QueryAggregation',
-	() =>
-		function QueryAggregation(): JSX.Element {
-			return <div>QueryAggregation</div>;
-		},
-);
-jest.mock(
-	'../QueryV2/MerticsAggregateSection/MetricsAggregateSection',
-	() =>
-		function MetricsAggregateSection(): JSX.Element {
-			return <div>MetricsAggregateSection</div>;
-		},
-);
+vi.mock('../QueryV2/QueryAggregation/QueryAggregation', () => ({
+	default: function QueryAggregation(): JSX.Element {
+		return <div>QueryAggregation</div>;
+	},
+}));
+vi.mock('../QueryV2/MerticsAggregateSection/MetricsAggregateSection', () => ({
+	default: function MetricsAggregateSection(): JSX.Element {
+		return <div>MetricsAggregateSection</div>;
+	},
+}));
 // Mock networked children to avoid axios during unit tests
-jest.mock(
-	'../QueryV2/QuerySearch/QuerySearch',
-	() =>
-		function QuerySearch(): JSX.Element {
-			return <div>QuerySearch</div>;
-		},
-);
-jest.mock('container/QueryBuilder/filters', () => ({
+vi.mock('../QueryV2/QuerySearch/QuerySearch', () => ({
+	default: function QuerySearch(): JSX.Element {
+		return <div>QuerySearch</div>;
+	},
+}));
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: ReturnType<typeof vi.fn> } => ({
+		safeNavigate: vi.fn(),
+	}),
+}));
+vi.mock('container/QueryBuilder/filters', () => ({
 	AggregatorFilter: (): JSX.Element => <div />,
 	MetricNameSelector: (): JSX.Element => <div />,
 }));
 // Mock hooks
-jest.mock('hooks/queryBuilder/useQueryBuilder');
+vi.mock('hooks/queryBuilder/useQueryBuilder');
 
-const mockedUseQueryBuilder = jest.mocked(useQueryBuilder);
+const mockedUseQueryBuilder = vi.mocked(useQueryBuilder);
 
 describe('MetricsSelect - signal source switching (standalone)', () => {
-	let handleSetQueryDataMock: jest.MockedFunction<
+	let handleSetQueryDataMock: MockedFunction<
 		(index: number, q: IBuilderQuery) => void
 	>;
 
 	beforeEach(() => {
 		clearPreviousQuery();
-		handleSetQueryDataMock = jest.fn() as unknown as jest.MockedFunction<
+		handleSetQueryDataMock = vi.fn() as unknown as MockedFunction<
 			(index: number, q: IBuilderQuery) => void
 		>;
 
@@ -109,40 +109,40 @@ describe('MetricsSelect - signal source switching (standalone)', () => {
 			currentQuery: currentQueryObj,
 			stagedQuery: null,
 			lastUsedQuery: null,
-			setLastUsedQuery: jest.fn(),
+			setLastUsedQuery: vi.fn(),
 			supersetQuery: currentQueryObj,
-			setSupersetQuery: jest.fn(),
+			setSupersetQuery: vi.fn(),
 			initialDataSource: null,
 			panelType: PANEL_TYPES.TABLE,
 			isEnabledQuery: true,
 			handleSetQueryData: handleSetQueryDataMock,
-			handleSetTraceOperatorData: jest.fn(),
-			handleSetFormulaData: jest.fn(),
-			handleSetQueryItemData: jest.fn(),
-			handleSetConfig: jest.fn(),
-			removeQueryBuilderEntityByIndex: jest.fn(),
-			removeAllQueryBuilderEntities: jest.fn(),
-			removeQueryTypeItemByIndex: jest.fn(),
-			addNewBuilderQuery: jest.fn(),
-			addNewFormula: jest.fn(),
-			removeTraceOperator: jest.fn(),
-			addTraceOperator: jest.fn(),
-			cloneQuery: jest.fn(),
-			addNewQueryItem: jest.fn(),
-			redirectWithQueryBuilderData: jest.fn(),
-			handleRunQuery: jest.fn(),
-			resetQuery: jest.fn(),
-			handleOnUnitsChange: jest.fn(),
+			handleSetTraceOperatorData: vi.fn(),
+			handleSetFormulaData: vi.fn(),
+			handleSetQueryItemData: vi.fn(),
+			handleSetConfig: vi.fn(),
+			removeQueryBuilderEntityByIndex: vi.fn(),
+			removeAllQueryBuilderEntities: vi.fn(),
+			removeQueryTypeItemByIndex: vi.fn(),
+			addNewBuilderQuery: vi.fn(),
+			addNewFormula: vi.fn(),
+			removeTraceOperator: vi.fn(),
+			addTraceOperator: vi.fn(),
+			cloneQuery: vi.fn(),
+			addNewQueryItem: vi.fn(),
+			redirectWithQueryBuilderData: vi.fn(),
+			handleRunQuery: vi.fn(),
+			resetQuery: vi.fn(),
+			handleOnUnitsChange: vi.fn(),
 			updateAllQueriesOperators: ((q: any) => q) as any,
 			updateQueriesData: ((q: any) => q) as any,
-			initQueryBuilderData: jest.fn(),
-			isStagedQueryUpdated: jest.fn(() => false),
-			isDefaultQuery: jest.fn(() => false),
+			initQueryBuilderData: vi.fn(),
+			isStagedQueryUpdated: vi.fn(() => false),
+			isDefaultQuery: vi.fn(() => false),
 		});
 	});
 
 	afterEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 		clearPreviousQuery();
 	});
 
@@ -216,13 +216,13 @@ describe('MetricsSelect - signal source switching (standalone)', () => {
 });
 
 describe('DataSource change - Logs to Traces', () => {
-	let handleSetQueryDataMock: jest.MockedFunction<
+	let handleSetQueryDataMock: MockedFunction<
 		(index: number, q: IBuilderQuery) => void
 	>;
 
 	beforeEach(() => {
 		clearPreviousQuery();
-		handleSetQueryDataMock = jest.fn() as unknown as jest.MockedFunction<
+		handleSetQueryDataMock = vi.fn() as unknown as MockedFunction<
 			(i: number, q: IBuilderQuery) => void
 		>;
 
@@ -266,40 +266,40 @@ describe('DataSource change - Logs to Traces', () => {
 			currentQuery: logsCurrentQuery,
 			stagedQuery: null,
 			lastUsedQuery: null,
-			setLastUsedQuery: jest.fn(),
+			setLastUsedQuery: vi.fn(),
 			supersetQuery: logsCurrentQuery,
-			setSupersetQuery: jest.fn(),
+			setSupersetQuery: vi.fn(),
 			initialDataSource: null,
 			panelType: PANEL_TYPES.TABLE,
 			isEnabledQuery: true,
 			handleSetQueryData: handleSetQueryDataMock,
-			handleSetTraceOperatorData: jest.fn(),
-			handleSetFormulaData: jest.fn(),
-			handleSetQueryItemData: jest.fn(),
-			handleSetConfig: jest.fn(),
-			removeQueryBuilderEntityByIndex: jest.fn(),
-			removeAllQueryBuilderEntities: jest.fn(),
-			removeQueryTypeItemByIndex: jest.fn(),
-			addNewBuilderQuery: jest.fn(),
-			addNewFormula: jest.fn(),
-			removeTraceOperator: jest.fn(),
-			addTraceOperator: jest.fn(),
-			cloneQuery: jest.fn(),
-			addNewQueryItem: jest.fn(),
-			redirectWithQueryBuilderData: jest.fn(),
-			handleRunQuery: jest.fn(),
-			resetQuery: jest.fn(),
-			handleOnUnitsChange: jest.fn(),
+			handleSetTraceOperatorData: vi.fn(),
+			handleSetFormulaData: vi.fn(),
+			handleSetQueryItemData: vi.fn(),
+			handleSetConfig: vi.fn(),
+			removeQueryBuilderEntityByIndex: vi.fn(),
+			removeAllQueryBuilderEntities: vi.fn(),
+			removeQueryTypeItemByIndex: vi.fn(),
+			addNewBuilderQuery: vi.fn(),
+			addNewFormula: vi.fn(),
+			removeTraceOperator: vi.fn(),
+			addTraceOperator: vi.fn(),
+			cloneQuery: vi.fn(),
+			addNewQueryItem: vi.fn(),
+			redirectWithQueryBuilderData: vi.fn(),
+			handleRunQuery: vi.fn(),
+			resetQuery: vi.fn(),
+			handleOnUnitsChange: vi.fn(),
 			updateAllQueriesOperators: ((q: any) => q) as any,
 			updateQueriesData: ((q: any) => q) as any,
-			initQueryBuilderData: jest.fn(),
-			isStagedQueryUpdated: jest.fn(() => false),
-			isDefaultQuery: jest.fn(() => false),
+			initQueryBuilderData: vi.fn(),
+			isStagedQueryUpdated: vi.fn(() => false),
+			isDefaultQuery: vi.fn(() => false),
 		});
 	});
 
 	afterEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 		clearPreviousQuery();
 	});
 

frontend/src/components/QueryBuilderV2/__tests__/previousQuery.utils.test.ts

@@ -1,3 +1,5 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+
 import { IBuilderQuery } from 'types/api/queryBuilder/queryBuilderData';
 
 import '@testing-library/jest-dom';
@@ -43,7 +45,7 @@ describe('previousQuery.utils', () => {
 	});
 
 	afterEach(() => {
-		jest.restoreAllMocks();
+		vi.restoreAllMocks();
 	});
 
 	it('getQueryKey normalizes non-meter signal to empty string', () => {
@@ -150,11 +152,9 @@ describe('previousQuery.utils', () => {
 	});
 
 	it('write errors (e.g., quota) are caught and do not throw', () => {
-		const spy = jest
-			.spyOn(window.sessionStorage.__proto__, 'setItem')
-			.mockImplementation(() => {
-				throw new Error('quota exceeded');
-			});
+		const spy = vi.spyOn(sessionStorage, 'setItem').mockImplementation(() => {
+			throw new Error('quota exceeded');
+		});
 
 		const key = getQueryKey({
 			queryName: 'A',

frontend/src/components/QueryBuilderV2/__tests__/utils.test.ts

@@ -1,3 +1,5 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
 import { negateOperator, OPERATORS } from 'constants/antlrQueryConstants';
 import {
 	BaseAutocompleteData,
@@ -17,7 +19,7 @@ import {
 
 describe('convertFiltersToExpression', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	it('should handle empty, null, and undefined inputs', () => {
@@ -983,7 +985,7 @@ describe('convertAggregationToExpression', () => {
 
 describe('removeKeysFromExpression', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	describe('Backward compatibility (removeOnlyVariableExpressions = false)', () => {
@@ -1203,7 +1205,7 @@ describe('removeKeysFromExpression', () => {
 
 describe('formatValueForExpression', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	describe('Variable values', () => {

frontend/src/components/QuickFilters/FilterRenderers/Checkbox/Checkbox.test.tsx

@@ -1,3 +1,4 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 import { UseQueryResult } from 'react-query';
 import userEvent from '@testing-library/user-event';
 import { FiltersType, QuickFiltersSource } from 'components/QuickFilters/types';
@@ -14,19 +15,25 @@ import { DataSource } from 'types/common/queryBuilder';
 
 import CheckboxFilter from './Checkbox';
 
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: ReturnType<typeof vi.fn> } => ({
+		safeNavigate: vi.fn(),
+	}),
+}));
+
 // Mock the query builder hook
-jest.mock('hooks/queryBuilder/useQueryBuilder');
-const mockUseQueryBuilder = jest.mocked(useQueryBuilder);
+vi.mock('hooks/queryBuilder/useQueryBuilder');
+const mockUseQueryBuilder = vi.mocked(useQueryBuilder);
 
 // Mock the aggregate values hook
-jest.mock('hooks/queryBuilder/useGetAggregateValues');
+vi.mock('hooks/queryBuilder/useGetAggregateValues');
 
-const mockUseGetAggregateValues = jest.mocked(useGetAggregateValues);
+const mockUseGetAggregateValues = vi.mocked(useGetAggregateValues);
 
 // Mock the key value suggestions hook
-jest.mock('hooks/querySuggestions/useGetQueryKeyValueSuggestions');
+vi.mock('hooks/querySuggestions/useGetQueryKeyValueSuggestions');
 
-const mockUseGetQueryKeyValueSuggestions = jest.mocked(
+const mockUseGetQueryKeyValueSuggestions = vi.mocked(
 	useGetQueryKeyValueSuggestions,
 );
 
@@ -90,13 +97,13 @@ const createMockQueryBuilderData = (hasActiveFilters = false): any => ({
 			],
 		},
 	},
-	redirectWithQueryBuilderData: jest.fn(),
+	redirectWithQueryBuilderData: vi.fn(),
 });
 
 describe('CheckboxFilter - User Flows', () => {
 	beforeEach(() => {
 		// Reset all mocks
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 
 		// Default mock implementations for useGetAggregateValues
 		mockUseGetAggregateValues.mockReturnValue({
@@ -106,7 +113,7 @@ describe('CheckboxFilter - User Flows', () => {
 				},
 			},
 			isLoading: false,
-			refetch: jest.fn(),
+			refetch: vi.fn(),
 		} as unknown as UseQueryResult<SuccessResponse<IAttributeValuesResponse>>);
 
 		// Default mock implementations for useGetQueryKeyValueSuggestions
@@ -123,7 +130,7 @@ describe('CheckboxFilter - User Flows', () => {
 				},
 			},
 			isLoading: false,
-			refetch: jest.fn(),
+			refetch: vi.fn(),
 		} as any);
 
 		// Setup MSW server for API calls
@@ -205,7 +212,7 @@ describe('CheckboxFilter - User Flows', () => {
 	});
 
 	it('should update query filters when a checkbox is clicked', async () => {
-		const redirectWithQueryBuilderData = jest.fn();
+		const redirectWithQueryBuilderData = vi.fn();
 
 		// Start with no active filters so clicking a checkbox creates one
 		mockUseQueryBuilder.mockReturnValue({
@@ -246,7 +253,7 @@ describe('CheckboxFilter - User Flows', () => {
 	});
 
 	it('should set an IN filter with only the clicked value when using Only', async () => {
-		const redirectWithQueryBuilderData = jest.fn();
+		const redirectWithQueryBuilderData = vi.fn();
 
 		// Existing filter: service.name IN ['mq-kafka', 'otel-demo']
 		mockUseQueryBuilder.mockReturnValue({
@@ -304,7 +311,7 @@ describe('CheckboxFilter - User Flows', () => {
 	});
 
 	it('should clear filters for the attribute when using All', async () => {
-		const redirectWithQueryBuilderData = jest.fn();
+		const redirectWithQueryBuilderData = vi.fn();
 
 		// Existing filter: service.name IN ['mq-kafka']
 		mockUseQueryBuilder.mockReturnValue({
@@ -389,7 +396,7 @@ describe('CheckboxFilter - User Flows', () => {
 					],
 				},
 			},
-			redirectWithQueryBuilderData: jest.fn(),
+			redirectWithQueryBuilderData: vi.fn(),
 		} as any);
 
 		const mockFilter = createMockFilter({ defaultOpen: false });
@@ -414,7 +421,7 @@ describe('CheckboxFilter - User Flows', () => {
 	});
 
 	it('should extend an existing IN filter when checking an additional value', async () => {
-		const redirectWithQueryBuilderData = jest.fn();
+		const redirectWithQueryBuilderData = vi.fn();
 
 		// Existing filter: service.name IN 'mq-kafka'
 		mockUseQueryBuilder.mockReturnValue({

frontend/src/components/QuickFilters/tests/QuickFilters.test.tsx

@@ -1,3 +1,15 @@
+import {
+	afterAll,
+	afterEach,
+	beforeAll,
+	beforeEach,
+	describe,
+	expect,
+	it,
+	vi,
+} from 'vitest';
+import type { Mock, MockedFunction } from 'vitest';
+
 import { ENVIRONMENT } from 'constants/env';
 import {
 	ApiMonitoringParams,
@@ -19,18 +31,18 @@ import QuickFilters from '../QuickFilters';
 import { IQuickFiltersConfig, QuickFiltersSource, SignalType } from '../types';
 import { QuickFiltersConfig } from './constants';
 
-jest.mock('hooks/queryBuilder/useQueryBuilder', () => ({
-	useQueryBuilder: jest.fn(),
+vi.mock('hooks/queryBuilder/useQueryBuilder', () => ({
+	useQueryBuilder: vi.fn(),
 }));
-jest.mock('container/ApiMonitoring/queryParams');
+vi.mock('container/ApiMonitoring/queryParams');
 
-const handleFilterVisibilityChange = jest.fn();
-const redirectWithQueryBuilderData = jest.fn();
-const putHandler = jest.fn();
-const mockSetApiMonitoringParams = jest.fn() as jest.MockedFunction<
+const handleFilterVisibilityChange = vi.fn();
+const redirectWithQueryBuilderData = vi.fn();
+const putHandler = vi.fn();
+const mockSetApiMonitoringParams = vi.fn() as MockedFunction<
 	(newParams: Partial<ApiMonitoringParams>, replace?: boolean) => void
 >;
-const mockUseApiMonitoringParams = jest.mocked(useApiMonitoringParams);
+const mockUseApiMonitoringParams = vi.mocked(useApiMonitoringParams);
 
 const BASE_URL = ENVIRONMENT.baseURL;
 const SIGNAL = SignalType.LOGS;
@@ -121,7 +133,7 @@ beforeAll(() => {
 
 afterEach(() => {
 	server.resetHandlers();
-	jest.clearAllMocks();
+	vi.clearAllMocks();
 });
 
 afterAll(() => {
@@ -129,7 +141,7 @@ afterAll(() => {
 });
 
 beforeEach(() => {
-	(useQueryBuilder as jest.Mock).mockReturnValue({
+	(useQueryBuilder as Mock).mockReturnValue({
 		currentQuery: {
 			builder: {
 				queryData: [
@@ -158,10 +170,10 @@ describe('Quick Filters', () => {
 	});
 
 	it('should display and allow selection from query dropdown when multiple queries exist', async () => {
-		const setLastUsedQuery = jest.fn();
+		const setLastUsedQuery = vi.fn();
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
 
-		(useQueryBuilder as jest.Mock).mockReturnValue({
+		(useQueryBuilder as Mock).mockReturnValue({
 			currentQuery: {
 				builder: {
 					queryData: [
@@ -213,7 +225,7 @@ describe('Quick Filters', () => {
 	});
 
 	it('should not display query dropdown in ListView', () => {
-		(useQueryBuilder as jest.Mock).mockReturnValue({
+		(useQueryBuilder as Mock).mockReturnValue({
 			currentQuery: {
 				builder: {
 					queryData: [
@@ -466,9 +478,9 @@ describe('Quick Filters with custom filters', () => {
 
 	it('should render duration slider for duration_nono filter', async () => {
 		// Use fake timers only in this test (for debounce), and wire them to userEvent
-		jest.useFakeTimers();
+		vi.useFakeTimers();
 		const user = userEvent.setup({
-			advanceTimers: (ms) => jest.advanceTimersByTime(ms),
+			advanceTimers: (ms) => vi.advanceTimersByTime(ms),
 			pointerEventsCheck: 0,
 		});
 
@@ -492,7 +504,7 @@ describe('Quick Filters with custom filters', () => {
 		await user.type(minDuration, '10000');
 		await user.clear(maxDuration);
 		await user.type(maxDuration, '20000');
-		jest.advanceTimersByTime(2000);
+		vi.advanceTimersByTime(2000);
 
 		await waitFor(() => {
 			expect(redirectWithQueryBuilderData).toHaveBeenCalledWith(
@@ -521,7 +533,7 @@ describe('Quick Filters with custom filters', () => {
 			);
 		});
 
-		jest.useRealTimers();
+		vi.useRealTimers();
 	});
 });
 

frontend/src/components/ResizeTable/__tests__/ResizeTable.test.tsx

@@ -1,9 +1,10 @@
 import { act } from '@testing-library/react';
+import { describe, expect, it, vi } from 'vitest';
 import { render, screen, userEvent } from 'tests/test-utils';
 
 import ResizeTable from '../ResizeTable';
 
-jest.mock('react-resizable', () => ({
+vi.mock('react-resizable', () => ({
 	Resizable: ({
 		children,
 		onResize,
@@ -28,8 +29,8 @@ jest.mock('react-resizable', () => ({
 }));
 
 // Make debounce synchronous so onColumnWidthsChange fires immediately
-jest.mock('lodash-es', () => ({
-	...jest.requireActual('lodash-es'),
+vi.mock('lodash-es', async () => ({
+	...(await vi.importActual<typeof import('lodash-es')>('lodash-es')),
 	debounce: (fn: (...args: any[]) => any): ((...args: any[]) => any) => fn,
 }));
 
@@ -60,7 +61,7 @@ describe('ResizeTable', () => {
 	});
 
 	it('overrides column widths from columnWidths prop and reports them via onColumnWidthsChange', () => {
-		const onColumnWidthsChange = jest.fn();
+		const onColumnWidthsChange = vi.fn();
 
 		act(() => {
 			render(
@@ -80,7 +81,7 @@ describe('ResizeTable', () => {
 	});
 
 	it('reports original column widths via onColumnWidthsChange when columnWidths prop is not provided', () => {
-		const onColumnWidthsChange = jest.fn();
+		const onColumnWidthsChange = vi.fn();
 
 		act(() => {
 			render(
@@ -112,7 +113,7 @@ describe('ResizeTable', () => {
 	});
 
 	it('only overrides the column that has a stored width, leaving others at their original width', () => {
-		const onColumnWidthsChange = jest.fn();
+		const onColumnWidthsChange = vi.fn();
 
 		act(() => {
 			render(
@@ -132,7 +133,7 @@ describe('ResizeTable', () => {
 	});
 
 	it('does not call onColumnWidthsChange on re-render when widths have not changed', () => {
-		const onColumnWidthsChange = jest.fn();
+		const onColumnWidthsChange = vi.fn();
 
 		const { rerender } = render(
 			<ResizeTable
@@ -159,7 +160,7 @@ describe('ResizeTable', () => {
 	});
 
 	it('does not call onColumnWidthsChange when no column has a defined width', () => {
-		const onColumnWidthsChange = jest.fn();
+		const onColumnWidthsChange = vi.fn();
 
 		render(
 			<ResizeTable
@@ -178,7 +179,7 @@ describe('ResizeTable', () => {
 
 	it('calls onColumnWidthsChange with the new width after a column is resized', async () => {
 		const user = userEvent.setup();
-		const onColumnWidthsChange = jest.fn();
+		const onColumnWidthsChange = vi.fn();
 
 		render(
 			<ResizeTable
@@ -202,7 +203,7 @@ describe('ResizeTable', () => {
 
 	it('does not affect other columns when only one column is resized', async () => {
 		const user = userEvent.setup();
-		const onColumnWidthsChange = jest.fn();
+		const onColumnWidthsChange = vi.fn();
 
 		render(
 			<ResizeTable
@@ -225,7 +226,7 @@ describe('ResizeTable', () => {
 	});
 
 	it('wraps column titles in drag handler spans when onDragColumn is provided', () => {
-		const onDragColumn = jest.fn();
+		const onDragColumn = vi.fn();
 
 		render(
 			<ResizeTable

frontend/src/components/RolesSelect/__tests__/RolesSelect.test.tsx

@@ -0,0 +1,134 @@
+import type { ReactElement } from 'react';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Mock } from 'vitest';
+import { listRolesSuccessResponse } from 'mocks-server/__mockdata__/roles';
+import { render, screen, userEvent, waitFor } from 'tests/test-utils';
+
+import RolesSelect from '../RolesSelect';
+
+function renderLabeledRolesSelect(node: ReactElement): void {
+	render(
+		<div>
+			<label htmlFor="roles-select-test">Roles</label>
+			{node}
+		</div>,
+	);
+}
+
+vi.mock('api/generated/services/role', async () => {
+	const actual = await vi.importActual<
+		typeof import('api/generated/services/role')
+	>('api/generated/services/role');
+	return {
+		...actual,
+		useListRoles: vi.fn(),
+	};
+});
+
+import { useListRoles } from 'api/generated/services/role';
+
+function mockListRolesSuccess(): void {
+	(useListRoles as Mock).mockReturnValue({
+		data: listRolesSuccessResponse,
+		isLoading: false,
+		isError: false,
+		error: null,
+		refetch: vi.fn(),
+		isFetching: false,
+		isSuccess: true,
+		status: 'success',
+	});
+}
+
+describe('RolesSelect', () => {
+	beforeEach(() => {
+		vi.clearAllMocks();
+		mockListRolesSuccess();
+	});
+
+	it('lists roles from the API in single mode and reports changes', async () => {
+		const user = userEvent.setup({ pointerEventsCheck: 0 });
+		const onChange = vi.fn();
+
+		renderLabeledRolesSelect(
+			<RolesSelect
+				id="roles-select-test"
+				mode="single"
+				value={listRolesSuccessResponse.data[0]?.id}
+				onChange={onChange}
+			/>,
+		);
+
+		const rolesControl = await screen.findByLabelText('Roles');
+		await user.click(rolesControl);
+
+		const editorOption = await screen.findByTitle('signoz-editor');
+		await user.click(editorOption);
+
+		const editorId = listRolesSuccessResponse.data.find(
+			(r) => r.name === 'signoz-editor',
+		)?.id;
+
+		await waitFor(() => {
+			expect(onChange).toHaveBeenCalled();
+			expect(onChange.mock.calls[0][0]).toBe(editorId);
+		});
+	});
+
+	it('lists roles in multiple mode and reports combined selection', async () => {
+		const user = userEvent.setup({ pointerEventsCheck: 0 });
+		const onChange = vi.fn();
+		const firstId = listRolesSuccessResponse.data[0]?.id as string;
+		const secondId = listRolesSuccessResponse.data[1]?.id as string;
+
+		renderLabeledRolesSelect(
+			<RolesSelect
+				id="roles-select-test"
+				mode="multiple"
+				value={[firstId]}
+				onChange={onChange}
+			/>,
+		);
+
+		const rolesControl = await screen.findByLabelText('Roles');
+		await user.click(rolesControl);
+
+		const secondOption = await screen.findByTitle(
+			listRolesSuccessResponse.data[1]?.name ?? '',
+		);
+		await user.click(secondOption);
+
+		await waitFor(() => {
+			expect(onChange).toHaveBeenCalled();
+			expect(onChange.mock.calls[0][0]).toStrictEqual([firstId, secondId]);
+		});
+	});
+
+	it('uses injected roles without fetching when roles prop is set', async () => {
+		const user = userEvent.setup({ pointerEventsCheck: 0 });
+		const injected = listRolesSuccessResponse.data.slice(0, 2);
+
+		renderLabeledRolesSelect(
+			<RolesSelect
+				id="roles-select-test"
+				mode="single"
+				roles={injected}
+				value={injected[0]?.id}
+				onChange={vi.fn()}
+			/>,
+		);
+
+		expect(useListRoles).toHaveBeenCalledWith(
+			expect.objectContaining({
+				query: expect.objectContaining({ enabled: false }),
+			}),
+		);
+
+		const rolesControl = await screen.findByLabelText('Roles');
+		await user.click(rolesControl);
+
+		await expect(
+			screen.findByTitle(injected[1]?.name ?? ''),
+		).resolves.toBeInTheDocument();
+	});
+});

frontend/src/components/RouteTab/RouteTab.test.tsx

@@ -1,5 +1,6 @@
 import { Router } from 'react-router-dom';
 import { createMemoryHistory } from 'history';
+import { describe, expect, it, vi } from 'vitest';
 import { fireEvent, render, screen } from 'tests/test-utils';
 
 import RouteTab from './index';
@@ -75,7 +76,7 @@ describe('RouteTab component', () => {
 	});
 
 	it('calls onChangeHandler on tab change', () => {
-		const onChangeHandler = jest.fn();
+		const onChangeHandler = vi.fn();
 		const history = createMemoryHistory();
 		render(
 			<Router history={history}>

frontend/src/components/ServiceAccountDrawer/__tests__/AddKeyModal.test.tsx

@@ -1,6 +1,7 @@
 import { toast } from '@signozhq/ui';
 import { rest, server } from 'mocks-server/server';
 import { NuqsTestingAdapter } from 'nuqs/adapters/testing';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import {
 	render,
 	screen,
@@ -11,22 +12,28 @@ import {
 
 import AddKeyModal from '../AddKeyModal';
 
-jest.mock('@signozhq/ui', () => ({
-	...jest.requireActual('@signozhq/ui'),
-	toast: { success: jest.fn(), error: jest.fn() },
+const { mockCopyToClipboard, mockCopyState } = vi.hoisted(() => {
+	const copyFn = vi.fn();
+	const copyState = { value: undefined, error: undefined };
+	return {
+		mockCopyToClipboard: copyFn,
+		mockCopyState: copyState,
+	};
+});
+
+vi.mock('@signozhq/ui', async () => ({
+	...(await vi.importActual<typeof import('@signozhq/ui')>('@signozhq/ui')),
+	toast: { success: vi.fn(), error: vi.fn() },
 }));
 
-const mockCopyToClipboard = jest.fn();
-const mockCopyState = { value: undefined, error: undefined };
-
-jest.mock('react-use', () => ({
+vi.mock('react-use', () => ({
 	useCopyToClipboard: (): [typeof mockCopyState, typeof mockCopyToClipboard] => [
 		mockCopyState,
 		mockCopyToClipboard,
 	],
 }));
 
-const mockToast = jest.mocked(toast);
+const mockToast = vi.mocked(toast);
 
 const SA_KEYS_ENDPOINT = '*/api/v1/service_accounts/sa-1/keys';
 
@@ -53,7 +60,7 @@ function renderModal(): ReturnType<typeof render> {
 
 describe('AddKeyModal', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 		mockCopyToClipboard.mockClear();
 		server.use(
 			rest.post(SA_KEYS_ENDPOINT, (_, res, ctx) =>

frontend/src/components/ServiceAccountDrawer/__tests__/EditKeyModal.test.tsx

@@ -2,16 +2,25 @@ import { toast } from '@signozhq/ui';
 import type { ServiceaccounttypesGettableFactorAPIKeyDTO } from 'api/generated/services/sigNoz.schemas';
 import { rest, server } from 'mocks-server/server';
 import { NuqsTestingAdapter } from 'nuqs/adapters/testing';
+import {
+	afterEach,
+	beforeEach,
+	describe,
+	expect,
+	it,
+	type Mock,
+	vi,
+} from 'vitest';
 import { render, screen, userEvent, waitFor } from 'tests/test-utils';
 
 import EditKeyModal from '../EditKeyModal';
 
-jest.mock('@signozhq/ui', () => ({
-	...jest.requireActual('@signozhq/ui'),
-	toast: { success: jest.fn(), error: jest.fn() },
+vi.mock('@signozhq/ui', async () => ({
+	...(await vi.importActual<typeof import('@signozhq/ui')>('@signozhq/ui')),
+	toast: { success: vi.fn(), error: vi.fn() },
 }));
 
-const mockToast = jest.mocked(toast);
+const mockToast = vi.mocked(toast);
 
 const SA_KEY_ENDPOINT = '*/api/v1/service_accounts/sa-1/keys/key-1';
 
@@ -29,7 +38,7 @@ function renderModal(
 		account: 'sa-1',
 		'edit-key': 'key-1',
 	},
-	onUrlUpdate?: jest.Mock,
+	onUrlUpdate?: Mock,
 ): ReturnType<typeof render> {
 	return render(
 		<NuqsTestingAdapter
@@ -44,7 +53,7 @@ function renderModal(
 
 describe('EditKeyModal (URL-controlled)', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 		server.use(
 			rest.put(SA_KEY_ENDPOINT, (_, res, ctx) =>
 				res(ctx.status(200), ctx.json({ status: 'success', data: {} })),
@@ -99,7 +108,7 @@ describe('EditKeyModal (URL-controlled)', () => {
 
 	it('cancel clears edit-key param and closes modal', async () => {
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
-		const onUrlUpdate = jest.fn();
+		const onUrlUpdate = vi.fn();
 		renderModal(mockKey, undefined, onUrlUpdate);
 
 		await screen.findByDisplayValue('Original Key Name');

frontend/src/components/ServiceAccountDrawer/__tests__/KeysTab.test.tsx

@@ -2,16 +2,40 @@ import { toast } from '@signozhq/ui';
 import { ServiceaccounttypesGettableFactorAPIKeyDTO } from 'api/generated/services/sigNoz.schemas';
 import { rest, server } from 'mocks-server/server';
 import { NuqsTestingAdapter } from 'nuqs/adapters/testing';
+import {
+	afterAll,
+	afterEach,
+	beforeAll,
+	beforeEach,
+	describe,
+	expect,
+	it,
+	vi,
+} from 'vitest';
 import { render, screen, userEvent, waitFor } from 'tests/test-utils';
 
 import KeysTab from '../KeysTab';
 
-jest.mock('@signozhq/ui', () => ({
-	...jest.requireActual('@signozhq/ui'),
-	toast: { success: jest.fn(), error: jest.fn() },
+vi.mock('@signozhq/ui', async () => ({
+	...(await vi.importActual('@signozhq/ui')),
+	toast: { success: vi.fn(), error: vi.fn() },
 }));
 
-const mockToast = jest.mocked(toast);
+const mockToast = vi.mocked(toast);
+
+const TZ_ORIG = process.env.TZ;
+
+beforeAll(() => {
+	process.env.TZ = 'UTC';
+});
+
+afterAll(() => {
+	if (TZ_ORIG === undefined) {
+		delete process.env.TZ;
+	} else {
+		process.env.TZ = TZ_ORIG;
+	}
+});
 
 const SA_KEY_ENDPOINT = '*/api/v1/service_accounts/sa-1/keys/:fid';
 
@@ -53,7 +77,7 @@ function renderKeysTab(
 
 describe('KeysTab', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 		server.use(
 			rest.delete(SA_KEY_ENDPOINT, (_, res, ctx) =>
 				res(ctx.status(200), ctx.json({ status: 'success', data: {} })),
@@ -72,7 +96,7 @@ describe('KeysTab', () => {
 
 	it('renders empty state when no keys and clicking add sets add-key param', async () => {
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
-		const onUrlUpdate = jest.fn();
+		const onUrlUpdate = vi.fn();
 		render(
 			<NuqsTestingAdapter
 				searchParams={{ account: 'sa-1' }}
@@ -105,7 +129,7 @@ describe('KeysTab', () => {
 
 	it('clicking a row sets the edit-key URL param', async () => {
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
-		const onUrlUpdate = jest.fn();
+		const onUrlUpdate = vi.fn();
 
 		render(
 			<NuqsTestingAdapter onUrlUpdate={onUrlUpdate}>
@@ -129,7 +153,7 @@ describe('KeysTab', () => {
 
 	it('clicking revoke icon sets revoke-key URL param', async () => {
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
-		const onUrlUpdate = jest.fn();
+		const onUrlUpdate = vi.fn();
 
 		render(
 			<NuqsTestingAdapter onUrlUpdate={onUrlUpdate}>

frontend/src/components/ServiceAccountDrawer/__tests__/ServiceAccountDrawer.test.tsx

@@ -2,12 +2,13 @@ import type { ReactNode } from 'react';
 import { listRolesSuccessResponse } from 'mocks-server/__mockdata__/roles';
 import { rest, server } from 'mocks-server/server';
 import { NuqsTestingAdapter } from 'nuqs/adapters/testing';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import { render, screen, userEvent, waitFor } from 'tests/test-utils';
 
 import ServiceAccountDrawer from '../ServiceAccountDrawer';
 
-jest.mock('@signozhq/ui', () => ({
-	...jest.requireActual('@signozhq/ui'),
+vi.mock('@signozhq/ui', async () => ({
+	...(await vi.importActual('@signozhq/ui')),
 	DrawerWrapper: ({
 		children,
 		footer,
@@ -23,7 +24,7 @@ jest.mock('@signozhq/ui', () => ({
 				{footer}
 			</div>
 		) : null,
-	toast: { success: jest.fn(), error: jest.fn() },
+	toast: { success: vi.fn(), error: vi.fn() },
 }));
 
 const ROLES_ENDPOINT = '*/api/v1/roles';
@@ -54,14 +55,14 @@ function renderDrawer(
 ): ReturnType<typeof render> {
 	return render(
 		<NuqsTestingAdapter searchParams={searchParams} hasMemory>
-			<ServiceAccountDrawer onSuccess={jest.fn()} />
+			<ServiceAccountDrawer onSuccess={vi.fn()} />
 		</NuqsTestingAdapter>,
 	);
 }
 
 describe('ServiceAccountDrawer', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 		server.use(
 			rest.get(ROLES_ENDPOINT, (_, res, ctx) =>
 				res(ctx.status(200), ctx.json(listRolesSuccessResponse)),
@@ -112,8 +113,8 @@ describe('ServiceAccountDrawer', () => {
 	});
 
 	it('editing name enables Save; clicking Save sends correct payload and calls onSuccess', async () => {
-		const onSuccess = jest.fn();
-		const updateSpy = jest.fn();
+		const onSuccess = vi.fn();
+		const updateSpy = vi.fn();
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
 
 		server.use(
@@ -148,8 +149,8 @@ describe('ServiceAccountDrawer', () => {
 	});
 
 	it('changing roles enables Save; clicking Save sends role add request without delete', async () => {
-		const roleSpy = jest.fn();
-		const deleteSpy = jest.fn();
+		const roleSpy = vi.fn();
+		const deleteSpy = vi.fn();
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
 
 		server.use(
@@ -185,7 +186,7 @@ describe('ServiceAccountDrawer', () => {
 	});
 
 	it('"Delete Service Account" opens confirm dialog; confirming sends delete request', async () => {
-		const deleteSpy = jest.fn();
+		const deleteSpy = vi.fn();
 		const user = userEvent.setup({ pointerEventsCheck: 0 });
 
 		server.use(
@@ -284,7 +285,7 @@ describe('ServiceAccountDrawer', () => {
 
 describe('ServiceAccountDrawer – save-error UX', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 		server.use(
 			rest.get(ROLES_ENDPOINT, (_, res, ctx) =>
 				res(ctx.status(200), ctx.json(listRolesSuccessResponse)),

frontend/src/components/ServiceAccountsTable/__tests__/ServiceAccountsTable.test.tsx

@@ -1,5 +1,7 @@
 import { ServiceAccountRow } from 'container/ServiceAccountsSettings/utils';
 import { NuqsTestingAdapter } from 'nuqs/adapters/testing';
+import type { MockedFunction } from 'vitest';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 import { render, screen, userEvent } from 'tests/test-utils';
 
 import ServiceAccountsTable from '../ServiceAccountsTable';
@@ -24,12 +26,12 @@ const mockDisabledAccount: ServiceAccountRow = {
 
 const defaultProps = {
 	loading: false,
-	onRowClick: jest.fn(),
+	onRowClick: vi.fn(),
 };
 
 describe('ServiceAccountsTable', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	it('renders name, email, role badge, and ACTIVE status badge', () => {
@@ -49,7 +51,7 @@ describe('ServiceAccountsTable', () => {
 	});
 
 	it('calls onRowClick with the correct account when a row is clicked', async () => {
-		const onRowClick = jest.fn() as jest.MockedFunction<
+		const onRowClick = vi.fn() as MockedFunction<
 			(row: ServiceAccountRow) => void
 		>;
 		const user = userEvent.setup({ pointerEventsCheck: 0 });

frontend/src/components/ShiftOverlay/__tests__/ShiftOverlay.test.tsx

@@ -1,11 +1,10 @@
 import { render, screen } from '@testing-library/react';
-
-import '@testing-library/jest-dom';
+import { describe, expect, it, vi } from 'vitest';
 
 import type { CmdAction } from '../ShiftOverlay';
 import { ShiftOverlay } from '../ShiftOverlay';
 
-jest.mock('../formatShortcut', () => ({
+vi.mock('../formatShortcut', () => ({
 	formatShortcut: (shortcut: string[]): string => shortcut.join('+'),
 }));
 
@@ -15,7 +14,7 @@ const baseActions: CmdAction[] = [
 		name: 'Go to Traces',
 		section: 'navigation',
 		shortcut: ['Shift', 'T'],
-		perform: jest.fn(),
+		perform: vi.fn(),
 	},
 	{
 		id: '2',
@@ -23,20 +22,20 @@ const baseActions: CmdAction[] = [
 		section: 'navigation',
 		shortcut: ['Shift', 'M'],
 		roles: ['ADMIN'], // ✅ now UserRole[]
-		perform: jest.fn(),
+		perform: vi.fn(),
 	},
 	{
 		id: '3',
 		name: 'Create Alert',
 		section: 'actions',
 		shortcut: ['A'],
-		perform: jest.fn(),
+		perform: vi.fn(),
 	},
 	{
 		id: '4',
 		name: 'Go to Logs',
 		section: 'navigation',
-		perform: jest.fn(),
+		perform: vi.fn(),
 	},
 ];
 
@@ -58,7 +57,7 @@ describe('ShiftOverlay', () => {
 						id: 'x',
 						name: 'Create Alert',
 						section: 'actions',
-						perform: jest.fn(),
+						perform: vi.fn(),
 					},
 				]}
 				userRole="ADMIN"

frontend/src/components/ShiftOverlay/__tests__/useShiftHoldOverlay.test.tsx

@@ -1,8 +1,23 @@
 import { act, renderHook } from '@testing-library/react';
+import {
+	afterAll,
+	afterEach,
+	beforeAll,
+	describe,
+	expect,
+	it,
+	vi,
+} from 'vitest';
 
 import { useShiftHoldOverlay } from '../useShiftHoldOverlay';
 
-jest.useFakeTimers();
+beforeAll(() => {
+	vi.useFakeTimers();
+});
+
+afterAll(() => {
+	vi.useRealTimers();
+});
 
 function pressShift(target: EventTarget = window): void {
 	const event = new KeyboardEvent('keydown', {
@@ -24,7 +39,7 @@ function releaseShift(): void {
 
 describe('useShiftHoldOverlay', () => {
 	afterEach(() => {
-		jest.clearAllTimers();
+		vi.clearAllTimers();
 	});
 
 	it('shows overlay after holding Shift for 600ms', () => {
@@ -32,7 +47,7 @@ describe('useShiftHoldOverlay', () => {
 
 		act(() => {
 			pressShift();
-			jest.advanceTimersByTime(600);
+			vi.advanceTimersByTime(600);
 		});
 
 		expect(result.current).toBe(true);
@@ -43,9 +58,9 @@ describe('useShiftHoldOverlay', () => {
 
 		act(() => {
 			pressShift();
-			jest.advanceTimersByTime(300);
+			vi.advanceTimersByTime(300);
 			releaseShift();
-			jest.advanceTimersByTime(600);
+			vi.advanceTimersByTime(600);
 		});
 
 		expect(result.current).toBe(false);
@@ -56,7 +71,7 @@ describe('useShiftHoldOverlay', () => {
 
 		act(() => {
 			pressShift();
-			jest.advanceTimersByTime(600);
+			vi.advanceTimersByTime(600);
 		});
 
 		expect(result.current).toBe(true);
@@ -75,7 +90,7 @@ describe('useShiftHoldOverlay', () => {
 
 		act(() => {
 			pressShift();
-			jest.advanceTimersByTime(600);
+			vi.advanceTimersByTime(600);
 		});
 
 		expect(result.current).toBe(false);
@@ -89,7 +104,7 @@ describe('useShiftHoldOverlay', () => {
 
 		act(() => {
 			pressShift(input);
-			jest.advanceTimersByTime(600);
+			vi.advanceTimersByTime(600);
 		});
 
 		expect(result.current).toBe(false);
@@ -102,7 +117,7 @@ describe('useShiftHoldOverlay', () => {
 
 		act(() => {
 			pressShift();
-			jest.advanceTimersByTime(600);
+			vi.advanceTimersByTime(600);
 		});
 
 		expect(result.current).toBe(true);
@@ -119,7 +134,7 @@ describe('useShiftHoldOverlay', () => {
 
 		act(() => {
 			pressShift();
-			jest.advanceTimersByTime(600);
+			vi.advanceTimersByTime(600);
 		});
 
 		expect(result.current).toBe(true);
@@ -136,7 +151,7 @@ describe('useShiftHoldOverlay', () => {
 
 		act(() => {
 			pressShift();
-			jest.advanceTimersByTime(600);
+			vi.advanceTimersByTime(600);
 		});
 
 		expect(result.current).toBe(false);

frontend/src/components/SpanHoverCard/__tests__/SpanHoverCard.test.tsx

@@ -1,11 +1,12 @@
 import { act, fireEvent, render, screen } from '@testing-library/react';
 import { TimezoneContextType } from 'providers/Timezone';
 import { Span } from 'types/api/trace/getTraceV2';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 
 import SpanHoverCard from '../SpanHoverCard';
 
 // Mock timezone provider so SpanHoverCard can use useTimezone without a real context
-jest.mock('providers/Timezone', () => ({
+vi.mock('providers/Timezone', () => ({
 	__esModule: true,
 	useTimezone: (): TimezoneContextType => ({
 		timezone: {
@@ -20,18 +21,18 @@ jest.mock('providers/Timezone', () => ({
 			offset: 'UTC',
 			searchIndex: 'UTC',
 		},
-		updateTimezone: jest.fn(),
-		formatTimezoneAdjustedTimestamp: jest.fn(() => 'mock-date'),
+		updateTimezone: vi.fn(),
+		formatTimezoneAdjustedTimestamp: vi.fn(() => 'mock-date'),
 		isAdaptationEnabled: true,
-		setIsAdaptationEnabled: jest.fn(),
+		setIsAdaptationEnabled: vi.fn(),
 	}),
 }));
 
 // Mock dayjs for testing, including timezone helpers used in timezoneUtils
-jest.mock('dayjs', () => {
+vi.mock('dayjs', () => {
 	const mockDayjsInstance: any = {};
 
-	mockDayjsInstance.format = jest.fn((formatString: string) =>
+	mockDayjsInstance.format = vi.fn((formatString: string) =>
 		// Match the DD_MMM_YYYY_HH_MM_SS format: 'DD MMM YYYY, HH:mm:ss'
 		formatString === 'DD MMM YYYY, HH:mm:ss'
 			? '15 Mar 2024, 14:23:45'
@@ -39,18 +40,21 @@ jest.mock('dayjs', () => {
 	);
 
 	// Support chaining: dayjs().tz(timezone).format(...) and dayjs().tz(timezone).utcOffset()
-	mockDayjsInstance.tz = jest.fn(() => mockDayjsInstance);
-	mockDayjsInstance.utcOffset = jest.fn(() => 0);
+	mockDayjsInstance.tz = vi.fn(() => mockDayjsInstance);
+	mockDayjsInstance.utcOffset = vi.fn(() => 0);
 
-	const mockDayjs = jest.fn(() => mockDayjsInstance);
+	const mockDayjs = vi.fn(() => mockDayjsInstance);
 
 	Object.assign(mockDayjs, {
-		extend: jest.fn(),
+		extend: vi.fn(),
 		// Support dayjs.tz.guess()
-		tz: { guess: jest.fn(() => 'UTC') },
+		tz: { guess: vi.fn(() => 'UTC') },
 	});
 
-	return mockDayjs;
+	return {
+		__esModule: true,
+		default: mockDayjs,
+	};
 });
 
 const HOVER_ELEMENT_ID = 'hover-element';
@@ -99,11 +103,11 @@ const mockTraceMetadata = {
 
 describe('SpanHoverCard', () => {
 	beforeEach(() => {
-		jest.useFakeTimers();
+		vi.useFakeTimers();
 	});
 
 	afterEach(() => {
-		jest.useRealTimers();
+		vi.useRealTimers();
 	});
 
 	it('renders child element correctly', () => {
@@ -134,7 +138,7 @@ describe('SpanHoverCard', () => {
 
 		// Advance time by 0.5 seconds
 		act(() => {
-			jest.advanceTimersByTime(200);
+			vi.advanceTimersByTime(200);
 		});
 
 		// Now popover should appear
@@ -153,13 +157,13 @@ describe('SpanHoverCard', () => {
 		// Quick hover and unhover (less than the 0.2s delay)
 		fireEvent.mouseEnter(hoverElement);
 		act(() => {
-			jest.advanceTimersByTime(100); // Only 0.1 seconds
+			vi.advanceTimersByTime(100); // Only 0.1 seconds
 		});
 		fireEvent.mouseLeave(hoverElement);
 
 		// Advance past the full delay
 		act(() => {
-			jest.advanceTimersByTime(400);
+			vi.advanceTimersByTime(400);
 		});
 
 		// Popover should not appear
@@ -178,7 +182,7 @@ describe('SpanHoverCard', () => {
 		// Hover and wait for popover
 		fireEvent.mouseEnter(hoverElement);
 		act(() => {
-			jest.advanceTimersByTime(500);
+			vi.advanceTimersByTime(500);
 		});
 
 		// Check that popover shows span operation name in title
@@ -208,7 +212,7 @@ describe('SpanHoverCard', () => {
 		// Hover and wait for popover
 		fireEvent.mouseEnter(hoverElement);
 		act(() => {
-			jest.advanceTimersByTime(500);
+			vi.advanceTimersByTime(500);
 		});
 
 		// Verify the DD MMM YYYY, HH:mm:ss format is displayed
@@ -232,7 +236,7 @@ describe('SpanHoverCard', () => {
 		// Hover and wait for popover
 		fireEvent.mouseEnter(hoverElement);
 		act(() => {
-			jest.advanceTimersByTime(500);
+			vi.advanceTimersByTime(500);
 		});
 
 		// Check relative time display
@@ -256,7 +260,7 @@ describe('SpanHoverCard', () => {
 		// Hover and wait for popover
 		fireEvent.mouseEnter(hoverElement);
 		act(() => {
-			jest.advanceTimersByTime(500);
+			vi.advanceTimersByTime(500);
 		});
 
 		expect(screen.getByText('Events:')).toBeInTheDocument();
@@ -284,7 +288,7 @@ describe('SpanHoverCard', () => {
 
 		// Should appear after delay
 		act(() => {
-			jest.advanceTimersByTime(500);
+			vi.advanceTimersByTime(500);
 		});
 		expect(screen.getByText('Duration:')).toBeInTheDocument();
 	});

frontend/src/components/TanStackTableView/__tests__/TanStackCustomTableRow.test.tsx

@@ -1,4 +1,10 @@
-jest.mock('../TanStackTable.module.scss', () => ({
+import { fireEvent, render, screen } from '@testing-library/react';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
+import TanStackCustomTableRow from '../TanStackCustomTableRow';
+import type { FlatItem, TableRowContext } from '../types';
+
+vi.mock('../TanStackTable.module.scss', () => ({
 	__esModule: true,
 	default: {
 		tableRow: 'tableRow',
@@ -7,26 +13,21 @@ jest.mock('../TanStackTable.module.scss', () => ({
 	},
 }));
 
-jest.mock('../TanStackRow', () => ({
+vi.mock('../TanStackRow', () => ({
 	__esModule: true,
 	default: (): JSX.Element => (
 		<td data-testid="mocked-row-cells">mocked cells</td>
 	),
 }));
 
-const mockSetRowHovered = jest.fn();
-const mockClearRowHovered = jest.fn();
+const mockSetRowHovered = vi.fn();
+const mockClearRowHovered = vi.fn();
 
-jest.mock('../TanStackTableStateContext', () => ({
+vi.mock('../TanStackTableStateContext', () => ({
 	useSetRowHovered: (_rowId: string): (() => void) => mockSetRowHovered,
 	useClearRowHovered: (_rowId: string): (() => void) => mockClearRowHovered,
 }));
 
-import { fireEvent, render, screen } from '@testing-library/react';
-
-import TanStackCustomTableRow from '../TanStackCustomTableRow';
-import type { FlatItem, TableRowContext } from '../types';
-
 const makeItem = (id: string): FlatItem<{ id: string }> => ({
 	kind: 'row',
 	row: { original: { id }, id } as never,

frontend/src/components/TanStackTableView/__tests__/TanStackHeaderRow.test.tsx

@@ -1,15 +1,17 @@
 import { render, screen } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
+import type { Mock } from 'vitest';
+import { describe, expect, it, vi } from 'vitest';
 
 import TanStackHeaderRow from '../TanStackHeaderRow';
 import type { TableColumnDef } from '../types';
 
-jest.mock('@dnd-kit/sortable', () => ({
+vi.mock('@dnd-kit/sortable', () => ({
 	useSortable: (): any => ({
 		attributes: {},
 		listeners: {},
-		setNodeRef: jest.fn(),
-		setActivatorNodeRef: jest.fn(),
+		setNodeRef: vi.fn(),
+		setActivatorNodeRef: vi.fn(),
 		transform: null,
 		transition: null,
 		isDragging: false,
@@ -33,7 +35,7 @@ const header = {
 		getIsResizing: () => false,
 		columnDef: { header: 'col' },
 	},
-	getResizeHandler: () => jest.fn(),
+	getResizeHandler: () => vi.fn(),
 	getContext: () => ({}),
 } as never;
 
@@ -98,7 +100,7 @@ describe('TanStackHeaderRow', () => {
 
 	it('shows remove button when enableRemove and canRemoveColumn are true', async () => {
 		const user = userEvent.setup();
-		const onRemoveColumn = jest.fn();
+		const onRemoveColumn = vi.fn();
 		render(
 			<table>
 				<thead>
@@ -131,7 +133,7 @@ describe('TanStackHeaderRow', () => {
 							isDarkMode={false}
 							hasSingleColumn={false}
 							canRemoveColumn
-							onRemoveColumn={jest.fn()}
+							onRemoveColumn={vi.fn()}
 						/>
 					</tr>
 				</thead>
@@ -152,13 +154,13 @@ describe('TanStackHeaderRow', () => {
 				getIsResizing: (): boolean => false,
 				columnDef: { header: 'Sortable', enableSort: true },
 			},
-			getResizeHandler: (): jest.Mock => jest.fn(),
+			getResizeHandler: (): Mock => vi.fn(),
 			getContext: (): Record<string, unknown> => ({}),
 		} as never;
 
 		it('calls onSort with asc when clicking unsorted column', async () => {
 			const user = userEvent.setup();
-			const onSort = jest.fn();
+			const onSort = vi.fn();
 			render(
 				<table>
 					<thead>
@@ -185,7 +187,7 @@ describe('TanStackHeaderRow', () => {
 
 		it('calls onSort with desc when clicking asc-sorted column', async () => {
 			const user = userEvent.setup();
-			const onSort = jest.fn();
+			const onSort = vi.fn();
 			render(
 				<table>
 					<thead>
@@ -212,7 +214,7 @@ describe('TanStackHeaderRow', () => {
 
 		it('calls onSort with null when clicking desc-sorted column', async () => {
 			const user = userEvent.setup();
-			const onSort = jest.fn();
+			const onSort = vi.fn();
 			render(
 				<table>
 					<thead>
@@ -244,7 +246,7 @@ describe('TanStackHeaderRow', () => {
 								header={sortableHeader}
 								isDarkMode={false}
 								hasSingleColumn={false}
-								onSort={jest.fn()}
+								onSort={vi.fn()}
 								orderBy={{ columnName: 'sortable', order: 'asc' }}
 							/>
 						</tr>
@@ -265,7 +267,7 @@ describe('TanStackHeaderRow', () => {
 								header={sortableHeader}
 								isDarkMode={false}
 								hasSingleColumn={false}
-								onSort={jest.fn()}
+								onSort={vi.fn()}
 								orderBy={{ columnName: 'sortable', order: 'desc' }}
 							/>
 						</tr>

frontend/src/components/TanStackTableView/__tests__/TanStackRow.test.tsx

@@ -1,13 +1,14 @@
 import { fireEvent, render, screen } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 import TanStackRowCells from '../TanStackRow';
 import type { TableRowContext } from '../types';
 
-const flexRenderMock = jest.fn((def: unknown) =>
+const flexRenderMock = vi.fn((def: unknown) =>
 	typeof def === 'function' ? def({}) : def,
 );
-jest.mock('@tanstack/react-table', () => ({
+vi.mock('@tanstack/react-table', () => ({
 	flexRender: (def: unknown, _ctx?: unknown): unknown => flexRenderMock(def),
 }));
 
@@ -58,7 +59,7 @@ describe('TanStackRowCells', () => {
 
 	it('calls onRowClick when a cell is clicked', async () => {
 		const user = userEvent.setup();
-		const onRowClick = jest.fn();
+		const onRowClick = vi.fn();
 		const ctx: TableRowContext<Row> = {
 			colCount: 1,
 			onRowClick,
@@ -90,8 +91,8 @@ describe('TanStackRowCells', () => {
 
 	it('calls onRowDeactivate instead of onRowClick when row is active', async () => {
 		const user = userEvent.setup();
-		const onRowClick = jest.fn();
-		const onRowDeactivate = jest.fn();
+		const onRowClick = vi.fn();
+		const onRowDeactivate = vi.fn();
 		const ctx: TableRowContext<Row> = {
 			colCount: 1,
 			onRowClick,
@@ -188,8 +189,8 @@ describe('TanStackRowCells', () => {
 
 	describe('new tab click', () => {
 		it('calls onRowClickNewTab on ctrl+click', () => {
-			const onRowClick = jest.fn();
-			const onRowClickNewTab = jest.fn();
+			const onRowClick = vi.fn();
+			const onRowClickNewTab = vi.fn();
 			const ctx: TableRowContext<Row> = {
 				colCount: 1,
 				onRowClick,
@@ -221,8 +222,8 @@ describe('TanStackRowCells', () => {
 		});
 
 		it('calls onRowClickNewTab on meta+click (cmd)', () => {
-			const onRowClick = jest.fn();
-			const onRowClickNewTab = jest.fn();
+			const onRowClick = vi.fn();
+			const onRowClickNewTab = vi.fn();
 			const ctx: TableRowContext<Row> = {
 				colCount: 1,
 				onRowClick,
@@ -254,8 +255,8 @@ describe('TanStackRowCells', () => {
 		});
 
 		it('does not call onRowClick when modifier key is pressed', () => {
-			const onRowClick = jest.fn();
-			const onRowClickNewTab = jest.fn();
+			const onRowClick = vi.fn();
+			const onRowClickNewTab = vi.fn();
 			const ctx: TableRowContext<Row> = {
 				colCount: 1,
 				onRowClick,

frontend/src/components/TanStackTableView/__tests__/TanStackTableView.test.tsx

@@ -1,14 +1,15 @@
 import { fireEvent, screen, waitFor } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
-import { UrlUpdateEvent } from 'nuqs/adapters/testing';
+import { OnUrlUpdateFunction } from 'nuqs/adapters/testing';
+import { describe, expect, it, vi } from 'vitest';
 
 import { renderTanStackTable } from './testUtils';
 
-jest.mock('hooks/useDarkMode', () => ({
+vi.mock('hooks/useDarkMode', () => ({
 	useIsDarkMode: (): boolean => false,
 }));
 
-jest.mock('../TanStackTable.module.scss', () => ({
+vi.mock('../TanStackTable.module.scss', () => ({
 	__esModule: true,
 	default: {
 		tanStackTable: 'tanStackTable',
@@ -75,14 +76,14 @@ describe('TanStackTableView Integration', () => {
 
 		it('shows loading spinner for infinite scroll when loading', () => {
 			renderTanStackTable({
-				props: { isLoading: true, onEndReached: jest.fn() },
+				props: { isLoading: true, onEndReached: vi.fn() },
 			});
 			expect(screen.getByTestId('tanstack-infinite-loader')).toBeInTheDocument();
 		});
 
 		it('does not show loading spinner for infinite scroll when not loading', () => {
 			renderTanStackTable({
-				props: { isLoading: false, onEndReached: jest.fn() },
+				props: { isLoading: false, onEndReached: vi.fn() },
 			});
 			expect(
 				screen.queryByTestId('tanstack-infinite-loader'),
@@ -114,7 +115,7 @@ describe('TanStackTableView Integration', () => {
 
 		it('updates page when clicking page number', async () => {
 			const user = userEvent.setup();
-			const onUrlUpdate = jest.fn<void, [UrlUpdateEvent]>();
+			const onUrlUpdate = vi.fn<OnUrlUpdateFunction>();
 
 			renderTanStackTable({
 				props: {
@@ -151,7 +152,7 @@ describe('TanStackTableView Integration', () => {
 			renderTanStackTable({
 				props: {
 					pagination: { total: 100 },
-					onEndReached: jest.fn(), // This enables infinite scroll mode
+					onEndReached: vi.fn(), // This enables infinite scroll mode
 				},
 			});
 
@@ -193,7 +194,7 @@ describe('TanStackTableView Integration', () => {
 	describe('sorting', () => {
 		it('updates orderBy URL param when clicking sortable header', async () => {
 			const user = userEvent.setup();
-			const onUrlUpdate = jest.fn<void, [UrlUpdateEvent]>();
+			const onUrlUpdate = vi.fn<OnUrlUpdateFunction>();
 
 			renderTanStackTable({
 				props: { enableQueryParams: true },
@@ -222,7 +223,7 @@ describe('TanStackTableView Integration', () => {
 
 		it('toggles sort order on subsequent clicks', async () => {
 			const user = userEvent.setup();
-			const onUrlUpdate = jest.fn<void, [UrlUpdateEvent]>();
+			const onUrlUpdate = vi.fn<OnUrlUpdateFunction>();
 
 			renderTanStackTable({
 				props: { enableQueryParams: true },
@@ -256,7 +257,7 @@ describe('TanStackTableView Integration', () => {
 	describe('row selection', () => {
 		it('calls onRowClick with row data and itemKey', async () => {
 			const user = userEvent.setup();
-			const onRowClick = jest.fn();
+			const onRowClick = vi.fn();
 
 			renderTanStackTable({
 				props: {
@@ -296,8 +297,8 @@ describe('TanStackTableView Integration', () => {
 
 		it('calls onRowDeactivate when clicking active row', async () => {
 			const user = userEvent.setup();
-			const onRowClick = jest.fn();
-			const onRowDeactivate = jest.fn();
+			const onRowClick = vi.fn();
+			const onRowDeactivate = vi.fn();
 
 			renderTanStackTable({
 				props: {
@@ -318,8 +319,8 @@ describe('TanStackTableView Integration', () => {
 		});
 
 		it('opens in new tab on ctrl+click', async () => {
-			const onRowClick = jest.fn();
-			const onRowClickNewTab = jest.fn();
+			const onRowClick = vi.fn();
+			const onRowClickNewTab = vi.fn();
 
 			renderTanStackTable({
 				props: {
@@ -343,8 +344,8 @@ describe('TanStackTableView Integration', () => {
 		});
 
 		it('opens in new tab on meta+click', async () => {
-			const onRowClick = jest.fn();
-			const onRowClickNewTab = jest.fn();
+			const onRowClick = vi.fn();
+			const onRowClickNewTab = vi.fn();
 
 			renderTanStackTable({
 				props: {
@@ -393,7 +394,7 @@ describe('TanStackTableView Integration', () => {
 
 	describe('infinite scroll', () => {
 		it('calls onEndReached when provided', async () => {
-			const onEndReached = jest.fn();
+			const onEndReached = vi.fn();
 
 			renderTanStackTable({
 				props: {
@@ -414,7 +415,7 @@ describe('TanStackTableView Integration', () => {
 			renderTanStackTable({
 				props: {
 					isLoading: true,
-					onEndReached: jest.fn(),
+					onEndReached: vi.fn(),
 				},
 			});
 
@@ -425,7 +426,7 @@ describe('TanStackTableView Integration', () => {
 			renderTanStackTable({
 				props: {
 					pagination: { total: 100 },
-					onEndReached: jest.fn(),
+					onEndReached: vi.fn(),
 				},
 			});
 

frontend/src/components/TanStackTableView/__tests__/useColumnState.test.tsx

@@ -1,5 +1,6 @@
 /* eslint-disable no-restricted-syntax */
 import { act, renderHook } from '@testing-library/react';
+import { beforeEach, describe, expect, it } from 'vitest';
 
 import { TableColumnDef } from '../types';
 import { useColumnState } from '../useColumnState';

frontend/src/components/TanStackTableView/__tests__/useColumnStore.test.ts

@@ -1,5 +1,6 @@
 /* eslint-disable no-restricted-syntax */
 import { act, renderHook } from '@testing-library/react';
+import { beforeEach, describe, expect, it } from 'vitest';
 
 import {
 	useColumnOrder,

frontend/src/components/TanStackTableView/__tests__/useTableParams.test.tsx

@@ -1,5 +1,6 @@
 import { ReactNode } from 'react';
 import { act, renderHook } from '@testing-library/react';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import {
 	NuqsTestingAdapter,
 	OnUrlUpdateFunction,
@@ -31,11 +32,11 @@ function createNuqsWrapper(
 
 describe('useTableParams (local mode — enableQueryParams not set)', () => {
 	beforeEach(() => {
-		jest.useFakeTimers();
+		vi.useFakeTimers();
 	});
 
 	afterEach(() => {
-		jest.useRealTimers();
+		vi.useRealTimers();
 	});
 
 	it('returns default page=1 and limit=50', () => {
@@ -89,11 +90,11 @@ describe('useTableParams (local mode — enableQueryParams not set)', () => {
 
 describe('useTableParams (URL mode — enableQueryParams set)', () => {
 	beforeEach(() => {
-		jest.useFakeTimers();
+		vi.useFakeTimers();
 	});
 
 	afterEach(() => {
-		jest.useRealTimers();
+		vi.useRealTimers();
 	});
 
 	it('uses nuqs state when enableQueryParams=true', () => {
@@ -102,7 +103,7 @@ describe('useTableParams (URL mode — enableQueryParams set)', () => {
 		expect(result.current.page).toBe(1);
 		act(() => {
 			result.current.setPage(5);
-			jest.runAllTimers();
+			vi.runAllTimers();
 		});
 		expect(result.current.page).toBe(5);
 	});
@@ -115,7 +116,7 @@ describe('useTableParams (URL mode — enableQueryParams set)', () => {
 		expect(result.current.page).toBe(2);
 		act(() => {
 			result.current.setPage(4);
-			jest.runAllTimers();
+			vi.runAllTimers();
 		});
 		expect(result.current.page).toBe(4);
 	});
@@ -153,13 +154,13 @@ describe('useTableParams (URL mode — enableQueryParams set)', () => {
 	});
 
 	it('updates URL when setPage is called', () => {
-		const onUrlUpdate = jest.fn<void, [UrlUpdateEvent]>();
+		const onUrlUpdate = vi.fn<(event: UrlUpdateEvent) => void>();
 		const wrapper = createNuqsWrapper({}, onUrlUpdate);
 		const { result } = renderHook(() => useTableParams(true), { wrapper });
 
 		act(() => {
 			result.current.setPage(5);
-			jest.runAllTimers();
+			vi.runAllTimers();
 		});
 
 		const lastPage = onUrlUpdate.mock.calls
@@ -170,13 +171,13 @@ describe('useTableParams (URL mode — enableQueryParams set)', () => {
 	});
 
 	it('updates URL when setOrderBy is called', () => {
-		const onUrlUpdate = jest.fn<void, [UrlUpdateEvent]>();
+		const onUrlUpdate = vi.fn<(event: UrlUpdateEvent) => void>();
 		const wrapper = createNuqsWrapper({}, onUrlUpdate);
 		const { result } = renderHook(() => useTableParams(true), { wrapper });
 
 		act(() => {
 			result.current.setOrderBy({ columnName: 'value', order: 'asc' });
-			jest.runAllTimers();
+			vi.runAllTimers();
 		});
 
 		const lastOrderBy = onUrlUpdate.mock.calls
@@ -205,7 +206,7 @@ describe('useTableParams (URL mode — enableQueryParams set)', () => {
 	});
 
 	it('manages expanded state for row expansion', () => {
-		const onUrlUpdate = jest.fn<void, [UrlUpdateEvent]>();
+		const onUrlUpdate = vi.fn<(event: UrlUpdateEvent) => void>();
 		const wrapper = createNuqsWrapper({}, onUrlUpdate);
 		const { result } = renderHook(() => useTableParams(true), { wrapper });
 
@@ -217,7 +218,7 @@ describe('useTableParams (URL mode — enableQueryParams set)', () => {
 	});
 
 	it('toggles sort order correctly: null → asc → desc → null', () => {
-		const onUrlUpdate = jest.fn<void, [UrlUpdateEvent]>();
+		const onUrlUpdate = vi.fn<(event: UrlUpdateEvent) => void>();
 		const wrapper = createNuqsWrapper({}, onUrlUpdate);
 		const { result } = renderHook(() => useTableParams(true), { wrapper });
 

frontend/src/components/TextToolTip/TextToolTip.test.tsx

@@ -1,4 +1,5 @@
 import { fireEvent, render, waitFor } from '@testing-library/react';
+import { describe, expect, it } from 'vitest';
 
 import TextToolTip from './index';
 

frontend/src/components/ValueGraph/__tests__/ValueGraph.test.tsx

@@ -1,19 +1,20 @@
 import { screen } from '@testing-library/react';
+import type { MockedFunction } from 'vitest';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 import { render } from 'tests/test-utils';
 
 import ValueGraph from '../index';
 import { getBackgroundColorAndThresholdCheck } from '../utils';
 
-// Mock the utils module
-jest.mock('../utils', () => ({
-	getBackgroundColorAndThresholdCheck: jest.fn(() => ({
+vi.mock('../utils', () => ({
+	getBackgroundColorAndThresholdCheck: vi.fn(() => ({
 		threshold: {} as any,
 		isConflictingThresholds: false,
 	})),
 }));
 
 const mockGetBackgroundColorAndThresholdCheck =
-	getBackgroundColorAndThresholdCheck as jest.MockedFunction<
+	getBackgroundColorAndThresholdCheck as MockedFunction<
 		typeof getBackgroundColorAndThresholdCheck
 	>;
 
@@ -23,7 +24,7 @@ const TEST_ID_VALUE_GRAPH_SUFFIX_UNIT = 'value-graph-suffix-unit';
 
 describe('ValueGraph', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	it('renders the numeric value correctly', () => {

frontend/src/components/YAxisUnitSelector/__tests__/YAxisUnitSelector.test.tsx

@@ -1,3 +1,4 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 import { fireEvent, render, screen } from '@testing-library/react';
 
 import { YAxisCategoryNames } from '../constants';
@@ -5,7 +6,7 @@ import { UniversalYAxisUnit, YAxisSource } from '../types';
 import YAxisUnitSelector from '../YAxisUnitSelector';
 
 describe('YAxisUnitSelector', () => {
-	const mockOnChange = jest.fn();
+	const mockOnChange = vi.fn();
 
 	beforeEach(() => {
 		mockOnChange.mockClear();

frontend/src/components/YAxisUnitSelector/__tests__/formatter.test.tsx

@@ -1,3 +1,4 @@
+import { describe, expect, it } from 'vitest';
 import { UniversalYAxisUnit } from 'components/YAxisUnitSelector/types';
 
 import {

frontend/src/components/YAxisUnitSelector/__tests__/utils.test.tsx

@@ -1,3 +1,4 @@
+import { describe, expect, it } from 'vitest';
 import { YAxisCategoryNames } from '../constants';
 import { UniversalYAxisUnit, YAxisCategory } from '../types';
 import {

frontend/src/components/cmdKPalette/__test__/cmdkPalette.test.tsx

@@ -2,11 +2,21 @@
  * src/components/cmdKPalette/__test__/cmdkPalette.test.tsx
  */
 // ---- Mocks (must run BEFORE importing the component) ----
+import {
+	afterAll,
+	beforeAll,
+	beforeEach,
+	describe,
+	expect,
+	it,
+	vi,
+} from 'vitest';
+import type { Mock } from 'vitest';
+import { render, screen } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+
 import ROUTES from 'constants/routes';
 import history from 'lib/history';
-import { render, screen, userEvent } from 'tests/test-utils';
-
-import '@testing-library/jest-dom/extend-expect';
 
 import { CmdKPalette } from '../cmdKPalette';
 
@@ -15,7 +25,7 @@ const HOME_LABEL = 'Go to Home';
 beforeAll(() => {
 	Object.defineProperty(HTMLElement.prototype, 'scrollIntoView', {
 		configurable: true,
-		value: jest.fn(),
+		value: vi.fn(),
 	});
 });
 
@@ -25,14 +35,14 @@ afterAll(() => {
 });
 
 // mock history.push / replace / go / location
-jest.mock('lib/history', () => {
+vi.mock('lib/history', () => {
 	const location = { pathname: '/', search: '', hash: '' };
 
 	const stack: { pathname: string; search: string }[] = [
 		{ pathname: '/', search: '' },
 	];
 
-	const push = jest.fn((path: string) => {
+	const push = vi.fn((path: string) => {
 		const [rawPath, rawQuery] = path.split('?');
 		const pathname = rawPath || '/';
 		const search = path.includes('?') ? `?${rawQuery || ''}` : '';
@@ -44,7 +54,7 @@ jest.mock('lib/history', () => {
 		return undefined;
 	});
 
-	const replace = jest.fn((path: string) => {
+	const replace = vi.fn((path: string) => {
 		const [rawPath, rawQuery] = path.split('?');
 		const pathname = rawPath || '/';
 		const search = path.includes('?') ? `?${rawQuery || ''}` : '';
@@ -60,8 +70,8 @@ jest.mock('lib/history', () => {
 		return undefined;
 	});
 
-	const listen = jest.fn();
-	const go = jest.fn((n: number) => {
+	const listen = vi.fn();
+	const go = vi.fn((n: number) => {
 		if (n < 0 && stack.length > 1) {
 			stack.pop();
 		}
@@ -70,17 +80,83 @@ jest.mock('lib/history', () => {
 		location.search = top.search;
 	});
 
-	return {
+	const mockHistory = {
 		push,
 		replace,
 		listen,
 		go,
 		location,
+	};
+
+	return {
+		...mockHistory,
+		default: mockHistory,
 		__stack: stack,
 	};
 });
 
-// Mock ResizeObserver for Jest/jsdom
+vi.mock('@signozhq/ui', () => ({
+	CommandDialog: ({
+		children,
+		open,
+	}: {
+		children: import('react').ReactNode;
+		open: boolean;
+	}): JSX.Element | null => (open ? <div role="dialog">{children}</div> : null),
+	CommandEmpty: ({
+		children,
+	}: {
+		children: import('react').ReactNode;
+	}): JSX.Element => <div>{children}</div>,
+	CommandGroup: ({
+		children,
+		className,
+		heading,
+	}: {
+		children: import('react').ReactNode;
+		className?: string;
+		heading: string;
+	}): JSX.Element => (
+		<section className={className}>
+			<h2>{heading}</h2>
+			{children}
+		</section>
+	),
+	CommandInput: ({
+		className,
+		placeholder,
+	}: {
+		className?: string;
+		placeholder?: string;
+	}): JSX.Element => <input className={className} placeholder={placeholder} />,
+	CommandItem: ({
+		children,
+		className,
+		onSelect,
+	}: {
+		children: import('react').ReactNode;
+		className?: string;
+		onSelect?: () => void;
+	}): JSX.Element => (
+		<button className={className} onClick={onSelect} type="button">
+			{children}
+		</button>
+	),
+	CommandList: ({
+		children,
+		className,
+	}: {
+		children: import('react').ReactNode;
+		className?: string;
+	}): JSX.Element => <div className={className}>{children}</div>,
+	CommandShortcut: ({
+		children,
+	}: {
+		children: import('react').ReactNode;
+	}): JSX.Element => <span>{children}</span>,
+}));
+
+// Mock ResizeObserver for Vitest/jsdom
 class ResizeObserver {
 	// eslint-disable-next-line @typescript-eslint/explicit-function-return-type
 	observe() {}
@@ -95,58 +171,58 @@ class ResizeObserver {
 (global as any).ResizeObserver = ResizeObserver;
 
 // mock cmdK provider hook (open state + setter)
-const mockSetOpen = jest.fn();
-jest.mock('providers/cmdKProvider', (): unknown => ({
+const mockSetOpen = vi.hoisted(() => vi.fn());
+vi.mock('providers/cmdKProvider', () => ({
 	useCmdK: (): {
 		open: boolean;
-		setOpen: jest.Mock;
-		openCmdK: jest.Mock;
-		closeCmdK: jest.Mock;
+		setOpen: Mock;
+		openCmdK: Mock;
+		closeCmdK: Mock;
 	} => ({
 		open: true,
 		setOpen: mockSetOpen,
-		openCmdK: jest.fn(),
-		closeCmdK: jest.fn(),
+		openCmdK: vi.fn(),
+		closeCmdK: vi.fn(),
 	}),
 }));
 
 // mock notifications hook
-jest.mock('hooks/useNotifications', (): unknown => ({
+vi.mock('hooks/useNotifications', () => ({
 	useNotifications: (): { notifications: [] } => ({ notifications: [] }),
 }));
 
 // mock theme hook
-jest.mock('hooks/useDarkMode', (): unknown => ({
+vi.mock('hooks/useDarkMode', () => ({
 	useThemeMode: (): {
-		setAutoSwitch: jest.Mock;
-		setTheme: jest.Mock;
+		setAutoSwitch: Mock;
+		setTheme: Mock;
 		theme: string;
 	} => ({
-		setAutoSwitch: jest.fn(),
-		setTheme: jest.fn(),
+		setAutoSwitch: vi.fn(),
+		setTheme: vi.fn(),
 		theme: 'dark',
 	}),
 }));
 
 // mock updateUserPreference API and react-query mutation
-jest.mock('api/v1/user/preferences/name/update', (): jest.Mock => jest.fn());
-jest.mock('react-query', (): unknown => {
-	const actual = jest.requireActual('react-query');
+vi.mock('api/v1/user/preferences/name/update', () => ({ default: vi.fn() }));
+vi.mock('react-query', async (): Promise<unknown> => {
+	const actual = await vi.importActual<Record<string, unknown>>('react-query');
 	return {
 		...actual,
-		useMutation: (): { mutate: jest.Mock } => ({ mutate: jest.fn() }),
+		useMutation: (): { mutate: Mock } => ({ mutate: vi.fn() }),
 	};
 });
 
 // mock other side-effecty modules
-jest.mock('api/common/logEvent', () => jest.fn());
-jest.mock('api/browser/localstorage/set', () => jest.fn());
-jest.mock('utils/error', () => ({ showErrorNotification: jest.fn() }));
+vi.mock('api/common/logEvent', () => ({ default: vi.fn() }));
+vi.mock('api/browser/localstorage/set', () => ({ default: vi.fn() }));
+vi.mock('utils/error', () => ({ showErrorNotification: vi.fn() }));
 
 // ---- Tests ----
 describe('CmdKPalette', () => {
 	beforeEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 
 	it('renders navigation and settings groups and items', () => {

frontend/src/components/createGuardedRoute/createGuardedRoute.test.tsx

@@ -1,5 +1,6 @@
 import { ReactElement } from 'react';
 import type { RouteComponentProps } from 'react-router-dom';
+import { describe, expect, it, vi } from 'vitest';
 import {
 	AuthtypesGettableTransactionDTO,
 	AuthtypesTransactionDTO,
@@ -11,6 +12,12 @@ import { render, screen, waitFor } from 'tests/test-utils';
 
 import { createGuardedRoute } from './createGuardedRoute';
 
+vi.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: ReturnType<typeof vi.fn> } => ({
+		safeNavigate: vi.fn(),
+	}),
+}));
+
 const BASE_URL = ENVIRONMENT.baseURL || '';
 const AUTHZ_CHECK_URL = `${BASE_URL}/api/v1/authz/check`;
 

frontend/src/container/AllAlertChannels/__tests__/AlertChannels.test.tsx

@@ -1,37 +1,53 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import ROUTES from 'constants/routes';
 import AlertChannels from 'container/AllAlertChannels';
-import { act, fireEvent, render, screen, waitFor } from 'tests/test-utils';
+import {
+	act,
+	cleanup,
+	fireEvent,
+	render,
+	screen,
+	waitFor,
+} from 'tests/test-utils';
 
-const successNotification = jest.fn();
-jest.mock('hooks/useNotifications', () => ({
+const successNotification = vi.fn();
+vi.mock('hooks/useNotifications', () => ({
 	__esModule: true,
-	useNotifications: jest.fn(() => ({
+	useNotifications: vi.fn(() => ({
 		notifications: {
 			success: successNotification,
-			error: jest.fn(),
+			error: vi.fn(),
 		},
 	})),
 }));
 
-jest.mock('react-router-dom', () => ({
-	...jest.requireActual('react-router-dom'),
-	useLocation: (): { pathname: string } => ({
-		pathname: `${process.env.FRONTEND_API_ENDPOINT}${ROUTES.ALL_CHANNELS}`,
-	}),
-}));
+vi.mock('react-router-dom', async (importOriginal) => {
+	const actual = await importOriginal<typeof import('react-router-dom')>();
+	return {
+		...actual,
+		useLocation: (): { pathname: string } => ({
+			pathname: `${process.env.FRONTEND_API_ENDPOINT}${ROUTES.ALL_CHANNELS}`,
+		}),
+	};
+});
+
+vi.mock('components/ResizeTable', async () => {
+	const antd = await import('antd');
+	return {
+		ResizeTable: antd.Table,
+	};
+});
 
 describe('Alert Channels Settings List page', () => {
 	beforeEach(async () => {
-		jest.useFakeTimers();
-		jest.setSystemTime(new Date('2023-10-20'));
 		render(<AlertChannels />);
 		await waitFor(() =>
 			expect(screen.getByText('sending_channels_note')).toBeInTheDocument(),
 		);
 	});
 	afterEach(() => {
-		jest.restoreAllMocks();
-		jest.useRealTimers();
+		cleanup();
+		vi.clearAllMocks();
 	});
 	describe('Should display the Alert Channels page properly', () => {
 		it('Should check if "The alerts will be sent to all the configured channels." is visible', () => {

frontend/src/container/AllAlertChannels/__tests__/AlertChannelsNormalUser.test.tsx

@@ -1,41 +1,51 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import ROUTES from 'constants/routes';
 import AlertChannels from 'container/AllAlertChannels';
-import { fireEvent, render, screen, waitFor } from 'tests/test-utils';
+import { cleanup, fireEvent, render, screen, waitFor } from 'tests/test-utils';
 
-const successNotification = jest.fn();
-jest.mock('hooks/useNotifications', () => ({
+const successNotification = vi.fn();
+vi.mock('hooks/useNotifications', () => ({
 	__esModule: true,
-	useNotifications: jest.fn(() => ({
+	useNotifications: vi.fn(() => ({
 		notifications: {
 			success: successNotification,
-			error: jest.fn(),
+			error: vi.fn(),
 		},
 	})),
 }));
 
-jest.mock('hooks/useComponentPermission', () => ({
+vi.mock('hooks/useComponentPermission', () => ({
 	__esModule: true,
-	default: jest.fn().mockImplementation(() => [false]),
+	default: vi.fn().mockImplementation(() => [false]),
 }));
 
-jest.mock('react-router-dom', () => ({
-	...jest.requireActual('react-router-dom'),
-	useLocation: (): { pathname: string } => ({
-		pathname: `${process.env.FRONTEND_API_ENDPOINT}${ROUTES.ALL_CHANNELS}`,
-	}),
-}));
+vi.mock('react-router-dom', async (importOriginal) => {
+	const actual = await importOriginal<typeof import('react-router-dom')>();
+	return {
+		...actual,
+		useLocation: (): { pathname: string } => ({
+			pathname: `${process.env.FRONTEND_API_ENDPOINT}${ROUTES.ALL_CHANNELS}`,
+		}),
+	};
+});
+
+vi.mock('components/ResizeTable', async () => {
+	const antd = await import('antd');
+	return {
+		ResizeTable: antd.Table,
+	};
+});
 
 describe('Alert Channels Settings List page (Normal User)', () => {
 	beforeEach(async () => {
-		jest.useFakeTimers();
 		render(<AlertChannels />);
 		await waitFor(() =>
 			expect(screen.getByText('sending_channels_note')).toBeInTheDocument(),
 		);
 	});
 	afterEach(() => {
-		jest.restoreAllMocks();
-		jest.useRealTimers();
+		cleanup();
+		vi.clearAllMocks();
 	});
 	describe('Should display the Alert Channels page properly', () => {
 		it('Should check if "The alerts will be sent to all the configured channels." is visible', async () => {

frontend/src/container/AllAlertChannels/__tests__/CreateAlertChannel.test.tsx

@@ -1,3 +1,6 @@
+// @vitest-environment jsdom
+
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import CreateAlertChannels from 'container/CreateAlertChannels';
 import { ChannelType } from 'container/CreateAlertChannels/config';
 import {
@@ -16,40 +19,40 @@ import { act, fireEvent, render, screen, waitFor } from 'tests/test-utils';
 
 import { testLabelInputAndHelpValue } from './testUtils';
 
-const successNotification = jest.fn();
-const errorNotification = jest.fn();
-jest.mock('hooks/useNotifications', () => ({
+const successNotification = vi.fn();
+const errorNotification = vi.fn();
+vi.mock('hooks/useNotifications', () => ({
 	__esModule: true,
-	useNotifications: jest.fn(() => ({
+	useNotifications: vi.fn(() => ({
 		notifications: {
 			success: successNotification,
 			error: errorNotification,
 		},
 	})),
 }));
-const showErrorModal = jest.fn();
-jest.mock('providers/ErrorModalProvider', () => ({
+const showErrorModal = vi.fn();
+vi.mock('providers/ErrorModalProvider', async () => ({
 	__esModule: true,
-	...jest.requireActual('providers/ErrorModalProvider'),
-	useErrorModal: jest.fn(() => ({
+	...(await vi.importActual('providers/ErrorModalProvider')),
+	useErrorModal: vi.fn(() => ({
 		showErrorModal,
 	})),
 }));
 
-jest.mock('components/MarkdownRenderer/MarkdownRenderer', () => ({
-	MarkdownRenderer: jest.fn(() => <div>Mocked MarkdownRenderer</div>),
+vi.mock('components/MarkdownRenderer/MarkdownRenderer', () => ({
+	MarkdownRenderer: vi.fn(() => <div>Mocked MarkdownRenderer</div>),
 }));
 
 describe('Create Alert Channel', () => {
 	afterEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 	describe('Should check if the new alert channel is properly displayed with the cascading fields of slack channel', () => {
 		beforeEach(() => {
 			render(<CreateAlertChannels preType={ChannelType.Slack} />);
 		});
 		afterEach(() => {
-			jest.clearAllMocks();
+			vi.clearAllMocks();
 		});
 		it('Should check if the title is "New Notification Channels"', () => {
 			expect(screen.getByText('page_title_create')).toBeInTheDocument();
@@ -133,14 +136,16 @@ describe('Create Alert Channel', () => {
 		});
 		it('Should check if clicking on Test button shows "An alert has been sent to this channel" success message if testing passes', async () => {
 			server.use(
-				rest.post('http://localhost/api/v1/testChannel', (req, res, ctx) =>
-					res(
-						ctx.status(200),
-						ctx.json({
-							status: 'success',
-							data: 'test alert sent',
-						}),
-					),
+				rest.post(
+					new RegExp('^https?://[^/]+/api/v1/testChannel/?$'),
+					(req, res, ctx) =>
+						res(
+							ctx.status(200),
+							ctx.json({
+								status: 'success',
+								data: 'test alert sent',
+							}),
+						),
 				),
 			);
 			const testButton = screen.getByRole('button', {

frontend/src/container/AllAlertChannels/__tests__/CreateAlertChannelNormalUser.test.tsx

@@ -1,3 +1,6 @@
+// @vitest-environment jsdom
+
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import { SIGNOZ_UPGRADE_PLAN_URL } from 'constants/app';
 import CreateAlertChannels from 'container/CreateAlertChannels';
 import { ChannelType } from 'container/CreateAlertChannels/config';
@@ -15,13 +18,13 @@ import { render, screen } from 'tests/test-utils';
 
 import { testLabelInputAndHelpValue } from './testUtils';
 
-jest.mock('components/MarkdownRenderer/MarkdownRenderer', () => ({
-	MarkdownRenderer: jest.fn(() => <div>Mocked MarkdownRenderer</div>),
+vi.mock('components/MarkdownRenderer/MarkdownRenderer', () => ({
+	MarkdownRenderer: vi.fn(() => <div>Mocked MarkdownRenderer</div>),
 }));
 
 describe('Create Alert Channel (Normal User)', () => {
 	afterEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 	describe('Should check if the new alert channel is properly displayed with the cascading fields of slack channel', () => {
 		beforeEach(() => {

frontend/src/container/AllAlertChannels/__tests__/EditAlertChannel.test.tsx

@@ -1,3 +1,6 @@
+// @vitest-environment jsdom
+
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import EditAlertChannels from 'container/EditAlertChannels';
 import {
 	editAlertChannelInitialValue,
@@ -8,11 +11,11 @@ import { render, screen } from 'tests/test-utils';
 
 import { testLabelInputAndHelpValue } from './testUtils';
 
-const successNotification = jest.fn();
-const errorNotification = jest.fn();
-jest.mock('hooks/useNotifications', () => ({
+const successNotification = vi.fn();
+const errorNotification = vi.fn();
+vi.mock('hooks/useNotifications', () => ({
 	__esModule: true,
-	useNotifications: jest.fn(() => ({
+	useNotifications: vi.fn(() => ({
 		notifications: {
 			success: successNotification,
 			error: errorNotification,
@@ -20,8 +23,8 @@ jest.mock('hooks/useNotifications', () => ({
 	})),
 }));
 
-jest.mock('components/MarkdownRenderer/MarkdownRenderer', () => ({
-	MarkdownRenderer: jest.fn(() => <div>Mocked MarkdownRenderer</div>),
+vi.mock('components/MarkdownRenderer/MarkdownRenderer', () => ({
+	MarkdownRenderer: vi.fn(() => <div>Mocked MarkdownRenderer</div>),
 }));
 
 describe('Should check if the edit alert channel is properly displayed', () => {
@@ -29,7 +32,7 @@ describe('Should check if the edit alert channel is properly displayed', () => {
 		render(<EditAlertChannels initialValue={editAlertChannelInitialValue} />);
 	});
 	afterEach(() => {
-		jest.clearAllMocks();
+		vi.clearAllMocks();
 	});
 	it('Should check if the title is "Edit Notification Channels"', () => {
 		expect(screen.getByText('page_title_edit')).toBeInTheDocument();

frontend/src/container/AllError/tests/AllError.test.tsx

@@ -1,3 +1,4 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 // eslint-disable-next-line no-restricted-imports
 import { Provider, useSelector } from 'react-redux';
 import { MemoryRouter } from 'react-router-dom';
@@ -20,18 +21,18 @@ import {
 	TAG_FROM_QUERY,
 } from './constants';
 
-jest.mock('hooks/useResourceAttribute', () =>
-	jest.fn(() => ({
+vi.mock('hooks/useResourceAttribute', () => ({
+	default: vi.fn(() => ({
 		queries: [],
 	})),
-);
-
-jest.mock('react-redux', () => ({
-	...jest.requireActual('react-redux'),
-	useSelector: jest.fn(),
 }));
 
-jest.spyOn(appContextHooks, 'useAppContext').mockReturnValue({
+vi.mock('react-redux', async () => ({
+	...(await vi.importActual('react-redux')),
+	useSelector: vi.fn(),
+}));
+
+vi.spyOn(appContextHooks, 'useAppContext').mockReturnValue({
 	user: {
 		role: 'admin',
 	},
@@ -77,11 +78,11 @@ const BASE_URL = ENVIRONMENT.baseURL;
 const listErrorsURL = `${BASE_URL}/api/v1/listErrors`;
 const countErrorsURL = `${BASE_URL}/api/v1/countErrors`;
 
-const postListErrorsSpy = jest.fn();
+const postListErrorsSpy = vi.fn();
 
 describe('Exceptions - All Errors', () => {
 	beforeEach(() => {
-		(useSelector as jest.Mock).mockReturnValue({
+		vi.mocked(useSelector).mockReturnValue({
 			maxTime: 1000,
 			minTime: 0,
 			loading: false,

frontend/src/container/AllError/utils.test.ts

@@ -1,3 +1,4 @@
+import { describe, expect, it } from 'vitest';
 import { Order, OrderBy } from 'types/api/errors/getAll';
 
 import {