Files
signoz/pkg/queryparser/api_test.go
2025-12-03 13:13:32 +00:00

259 lines
8.3 KiB
Go

package queryparser
import (
"bytes"
"context"
"encoding/json"
"net/http"
"net/http/httptest"
"reflect"
"sort"
"strings"
"testing"
"github.com/SigNoz/signoz/pkg/instrumentation/instrumentationtest"
"github.com/SigNoz/signoz/pkg/types/parsertypes"
"github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
)
func TestAPI_AnalyzeQueryFilter(t *testing.T) {
queryParser := New(instrumentationtest.New().ToProviderSettings())
aH := NewAPI(instrumentationtest.New().ToProviderSettings(), queryParser)
tests := []struct {
name string
requestBody parsertypes.QueryFilterAnalyzeRequest
expectedStatus int
expectedStatusStr string
expectedError bool
errorContains string
expectedMetrics []string
expectedGroups []parsertypes.ColumnInfoResponse
}{
{
name: "PromQL - Nested aggregation inside subquery",
requestBody: parsertypes.QueryFilterAnalyzeRequest{
Query: `max_over_time(sum(rate(cpu_usage_total[5m]))[1h:5m])`,
QueryType: querybuildertypesv5.QueryTypePromQL,
},
expectedStatus: http.StatusOK,
expectedStatusStr: "success",
expectedError: false,
expectedMetrics: []string{"cpu_usage_total"},
expectedGroups: []parsertypes.ColumnInfoResponse{},
},
{
name: "PromQL - Subquery with multiple metrics",
requestBody: parsertypes.QueryFilterAnalyzeRequest{
Query: `avg_over_time((foo + bar)[10m:1m])`,
QueryType: querybuildertypesv5.QueryTypePromQL,
},
expectedStatus: http.StatusOK,
expectedStatusStr: "success",
expectedError: false,
expectedMetrics: []string{"bar", "foo"},
expectedGroups: []parsertypes.ColumnInfoResponse{},
},
{
name: "PromQL - Simple meta-metric with grouping",
requestBody: parsertypes.QueryFilterAnalyzeRequest{
Query: `sum by (pod) (up)`,
QueryType: querybuildertypesv5.QueryTypePromQL,
},
expectedStatus: http.StatusOK,
expectedStatusStr: "success",
expectedError: false,
expectedMetrics: []string{"up"},
expectedGroups: []parsertypes.ColumnInfoResponse{{Name: "pod", Alias: ""}},
},
{
name: "ClickHouse - Simple CTE with GROUP BY",
requestBody: parsertypes.QueryFilterAnalyzeRequest{
Query: `WITH aggregated AS (
SELECT region as region_alias, sum(value) AS total
FROM metrics
WHERE metric_name = 'cpu_usage'
GROUP BY region
)
SELECT * FROM aggregated`,
QueryType: querybuildertypesv5.QueryTypeClickHouseSQL,
},
expectedStatus: http.StatusOK,
expectedStatusStr: "success",
expectedError: false,
expectedMetrics: []string{"cpu_usage"},
expectedGroups: []parsertypes.ColumnInfoResponse{{Name: "region", Alias: "region_alias"}},
},
{
name: "ClickHouse - CTE chain with last GROUP BY + Alias should be returned if exists",
requestBody: parsertypes.QueryFilterAnalyzeRequest{
Query: `WITH step1 AS (
SELECT service as service_alias, timestamp as ts, value
FROM metrics
WHERE metric_name = 'requests'
GROUP BY service, timestamp
),
step2 AS (
SELECT ts, avg(value) AS avg_value
FROM step1
GROUP BY ts
)
SELECT * FROM step2`,
QueryType: querybuildertypesv5.QueryTypeClickHouseSQL,
},
expectedStatus: http.StatusOK,
expectedStatusStr: "success",
expectedError: false,
expectedMetrics: []string{"requests"},
expectedGroups: []parsertypes.ColumnInfoResponse{{Name: "ts", Alias: ""}},
},
{
name: "ClickHouse - Outer GROUP BY overrides CTE GROUP BY + Alias should be returned if exists",
requestBody: parsertypes.QueryFilterAnalyzeRequest{
Query: `WITH cte AS (
SELECT region, service, value
FROM metrics
WHERE metric_name = 'memory'
GROUP BY region, service
)
SELECT region as region_alias, sum(value) as total
FROM cte
GROUP BY region`,
QueryType: querybuildertypesv5.QueryTypeClickHouseSQL,
},
expectedStatus: http.StatusOK,
expectedStatusStr: "success",
expectedError: false,
expectedMetrics: []string{"memory"},
expectedGroups: []parsertypes.ColumnInfoResponse{{Name: "region", Alias: "region_alias"}},
},
{
name: "ClickHouse - Invalid query should return error",
requestBody: parsertypes.QueryFilterAnalyzeRequest{
Query: `SELECT WHERE metric_name = 'memory' GROUP BY region, service`,
QueryType: querybuildertypesv5.QueryTypeClickHouseSQL,
},
expectedStatus: http.StatusBadRequest,
expectedStatusStr: "error",
expectedError: true,
errorContains: "failed to parse clickhouse query",
},
{
name: "Empty query should return error",
requestBody: parsertypes.QueryFilterAnalyzeRequest{
Query: "",
QueryType: querybuildertypesv5.QueryTypePromQL,
},
expectedStatus: http.StatusBadRequest,
expectedStatusStr: "error",
expectedError: true,
errorContains: "query is required and cannot be empty",
},
{
name: "Invalid queryType should return error",
requestBody: parsertypes.QueryFilterAnalyzeRequest{
Query: `sum(rate(cpu_usage[5m]))`,
QueryType: querybuildertypesv5.QueryTypeUnknown,
},
expectedStatus: http.StatusBadRequest,
expectedStatusStr: "error",
expectedError: true,
errorContains: "unsupported queryType",
},
{
name: "Invalid PromQL syntax should return error",
requestBody: parsertypes.QueryFilterAnalyzeRequest{
Query: `sum by ((foo)(bar))(http_requests_total)`,
QueryType: querybuildertypesv5.QueryTypePromQL,
},
expectedStatus: http.StatusBadRequest,
expectedStatusStr: "error",
expectedError: true,
errorContains: "failed to parse promql query",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Create request body
reqBody, err := json.Marshal(tt.requestBody)
if err != nil {
t.Fatalf("failed to marshal request body: %v", err)
}
// Create HTTP request
req := httptest.NewRequestWithContext(context.Background(), http.MethodPost, "/api/v1/query_filter/analyze", bytes.NewBuffer(reqBody))
req.Header.Set("Content-Type", "application/json")
// Create response recorder
rr := httptest.NewRecorder()
// Call handler
aH.AnalyzeQueryFilter(rr, req)
// Check status code
if rr.Code != tt.expectedStatus {
t.Errorf("expected status %d, got %d", tt.expectedStatus, rr.Code)
}
// Parse response
var resp map[string]interface{}
if err := json.Unmarshal(rr.Body.Bytes(), &resp); err != nil {
t.Fatalf("failed to unmarshal response: %v, body: %s", err, rr.Body.String())
}
// Check status string
if resp["status"] != tt.expectedStatusStr {
t.Errorf("expected status '%s', got %v", tt.expectedStatusStr, resp["status"])
}
if tt.expectedError {
errorObj, ok := resp["error"].(map[string]interface{})
if !ok {
t.Fatalf("expected error to be a map, got %T", resp["error"])
}
errorMsg, ok := errorObj["message"].(string)
if !ok {
t.Fatalf("expected error message to be a string, got %T", errorObj["message"])
}
if !strings.Contains(errorMsg, tt.errorContains) {
t.Errorf("expected error message to contain '%s', got '%s'", tt.errorContains, errorMsg)
}
} else {
// Validate success response
data, ok := resp["data"].(map[string]interface{})
if !ok {
t.Fatalf("expected data to be a map, got %T", resp["data"])
}
// Marshal data back to JSON and unmarshal into QueryFilterAnalyzeResponse struct
dataBytes, err := json.Marshal(data)
if err != nil {
t.Fatalf("failed to marshal data: %v", err)
}
var responseData parsertypes.QueryFilterAnalyzeResponse
if err := json.Unmarshal(dataBytes, &responseData); err != nil {
t.Fatalf("failed to unmarshal data into QueryFilterAnalyzeResponse: %v", err)
}
// Sort the arrays for comparison
gotMetrics := make([]string, len(responseData.MetricNames))
copy(gotMetrics, responseData.MetricNames)
sort.Strings(gotMetrics)
gotGroups := make([]parsertypes.ColumnInfoResponse, len(responseData.Groups))
copy(gotGroups, responseData.Groups)
// Compare using deep equal
if !reflect.DeepEqual(gotMetrics, tt.expectedMetrics) {
t.Errorf("expected metricNames %v, got %v", tt.expectedMetrics, gotMetrics)
}
if !reflect.DeepEqual(gotGroups, tt.expectedGroups) {
t.Errorf("expected groups %v, got %v", tt.expectedGroups, gotGroups)
}
}
})
}
}