Alerting: Refactor integration tests (#99519)

---------

Signed-off-by: Yuri Tseretyan <yuriy.tseretyan@grafana.com>
(cherry picked from commit af663dadc7)

pkg/tests/api/alerting/api_backtesting_test.go

@@ -4,8 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"net/http"
-	"os"
-	"path/filepath"
+	"path"
 	"testing"
 
 	"github.com/grafana/grafana-plugin-sdk-go/data"
@@ -23,7 +22,7 @@ import (
 )
 
 func TestBacktesting(t *testing.T) {
-	dir, path := testinfra.CreateGrafDir(t, testinfra.GrafanaOpts{
+	dir, grafanaPath := testinfra.CreateGrafDir(t, testinfra.GrafanaOpts{
 		DisableLegacyAlerting: true,
 		EnableUnifiedAlerting: true,
 		DisableAnonymous:      true,
@@ -34,7 +33,7 @@ func TestBacktesting(t *testing.T) {
 		EnableLog: false,
 	})
 
-	grafanaListedAddr, env := testinfra.StartGrafanaEnv(t, dir, path)
+	grafanaListedAddr, env := testinfra.StartGrafanaEnv(t, dir, grafanaPath)
 
 	userId := createUser(t, env.SQLStore, env.Cfg, user.CreateUserCommand{
 		DefaultOrgRole: string(org.RoleAdmin),
@@ -44,7 +43,7 @@ func TestBacktesting(t *testing.T) {
 
 	apiCli := newAlertingApiClient(grafanaListedAddr, "admin", "admin")
 
-	input, err := os.ReadFile(filepath.Join("api_backtesting_data.json"))
+	input, err := testData.ReadFile(path.Join("test-data", "api_backtesting_data.json"))
 	require.NoError(t, err)
 	var testData map[string]apimodels.BacktestConfig
 	require.NoError(t, json.Unmarshal(input, &testData))

pkg/tests/api/alerting/testing.go

@@ -2,6 +2,7 @@ package alerting
 
 import (
 	"bytes"
+	"context"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -20,11 +21,19 @@ import (
 
 	"github.com/grafana/grafana/pkg/api"
 	"github.com/grafana/grafana/pkg/expr"
+	"github.com/grafana/grafana/pkg/infra/db"
+	"github.com/grafana/grafana/pkg/infra/tracing"
 	"github.com/grafana/grafana/pkg/services/accesscontrol"
 	"github.com/grafana/grafana/pkg/services/folder"
 	apimodels "github.com/grafana/grafana/pkg/services/ngalert/api/tooling/definitions"
 	ngmodels "github.com/grafana/grafana/pkg/services/ngalert/models"
+	"github.com/grafana/grafana/pkg/services/org/orgimpl"
 	"github.com/grafana/grafana/pkg/services/quota"
+	"github.com/grafana/grafana/pkg/services/quota/quotaimpl"
+	"github.com/grafana/grafana/pkg/services/supportbundles/supportbundlestest"
+	"github.com/grafana/grafana/pkg/services/user"
+	"github.com/grafana/grafana/pkg/services/user/userimpl"
+	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/util"
 )
 
@@ -53,6 +62,11 @@ const defaultAlertmanagerConfigJSON = `
 }
 `
 
+type Response struct {
+	Message string `json:"message"`
+	TraceID string `json:"traceID"`
+}
+
 func getRequest(t *testing.T, url string, expStatusCode int) *http.Response {
 	t.Helper()
 	// nolint:gosec
@@ -1008,3 +1022,23 @@ func requireStatusCode(t *testing.T, expected, actual int, response string) {
 	t.Helper()
 	require.Equalf(t, expected, actual, "Unexpected status. Response: %s", response)
 }
+
+func createUser(t *testing.T, db db.DB, cfg *setting.Cfg, cmd user.CreateUserCommand) int64 {
+	t.Helper()
+
+	cfg.AutoAssignOrg = true
+	cfg.AutoAssignOrgId = 1
+
+	quotaService := quotaimpl.ProvideService(db, cfg)
+	orgService, err := orgimpl.ProvideService(db, cfg, quotaService)
+	require.NoError(t, err)
+	usrSvc, err := userimpl.ProvideService(
+		db, orgService, cfg, nil, nil, tracing.InitializeTracerForTest(),
+		quotaService, supportbundlestest.NewFakeBundleService(),
+	)
+	require.NoError(t, err)
+
+	u, err := usrSvc.Create(context.Background(), &cmd)
+	require.NoError(t, err)
+	return u.ID
+}