Access control: Basic structure and functionality behind feature toggle (#31893)

Co-authored-by: Alexander Zobnin <alexander.zobnin@grafana.com>
Co-authored-by: Emil Tullstedt <emil.tullstedt@grafana.com>
Co-authored-by: Arve Knudsen <arve.knudsen@grafana.com>
Co-authored-by: Marcus Efraimsson <marcus.efraimsson@grafana.com>

pkg/services/accesscontrol/database/common_test.go

@@ -0,0 +1,57 @@
+package database
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/grafana/grafana/pkg/registry"
+	"github.com/grafana/grafana/pkg/services/sqlstore"
+	"github.com/grafana/grafana/pkg/services/sqlstore/migrator"
+	"github.com/grafana/grafana/pkg/setting"
+)
+
+// accessControlStoreTestImpl is a test store implementation which additionally executes a database migrations
+type accessControlStoreTestImpl struct {
+	AccessControlStore
+}
+
+func (ac *accessControlStoreTestImpl) AddMigration(mg *migrator.Migrator) {
+	AddAccessControlMigrations(mg)
+}
+
+func setupTestEnv(t testing.TB) *accessControlStoreTestImpl {
+	t.Helper()
+
+	cfg := setting.NewCfg()
+	store := overrideDatabaseInRegistry(cfg)
+	sqlStore := sqlstore.InitTestDB(t)
+	store.SQLStore = sqlStore
+
+	err := store.Init()
+	require.NoError(t, err)
+	return &store
+}
+
+func overrideDatabaseInRegistry(cfg *setting.Cfg) accessControlStoreTestImpl {
+	store := accessControlStoreTestImpl{
+		AccessControlStore: AccessControlStore{
+			SQLStore: nil,
+		},
+	}
+
+	overrideServiceFunc := func(descriptor registry.Descriptor) (*registry.Descriptor, bool) {
+		if _, ok := descriptor.Instance.(*AccessControlStore); ok {
+			return &registry.Descriptor{
+				Name:         "Database",
+				Instance:     &store,
+				InitPriority: descriptor.InitPriority,
+			}, true
+		}
+		return nil, false
+	}
+
+	registry.RegisterOverride(overrideServiceFunc)
+
+	return store
+}