CloudMigrations: add parent folder name to alert rule resource (#96366)

pkg/services/cloudmigration/cloudmigrationimpl/cloudmigration_test.go

@@ -697,6 +697,7 @@ func TestGetParentNames(t *testing.T) {
 		folders             []folder.CreateFolderCommand
 		dashboards          []dashboards.Dashboard
 		libraryElements     []libraryElement
+		alertRules          []alertRule
 		expectedParentNames map[cloudmigration.MigrateDataType][]string
 	}{
 		{
@@ -717,10 +718,15 @@ func TestGetParentNames(t *testing.T) {
 				{UID: "libraryElementUID-0", FolderUID: &libraryElementFolderUID},
 				{UID: "libraryElementUID-1"},
 			},
+			alertRules: []alertRule{
+				{UID: "alertRuleUID-0", FolderUID: ""},
+				{UID: "alertRuleUID-1", FolderUID: "folderUID-B"},
+			},
 			expectedParentNames: map[cloudmigration.MigrateDataType][]string{
 				cloudmigration.DashboardDataType:      {"", "Folder A", "Folder B"},
 				cloudmigration.FolderDataType:         {"Folder A"},
 				cloudmigration.LibraryElementDataType: {"Folder A"},
+				cloudmigration.AlertRuleType:          {"Folder B"},
 			},
 		},
 	}
@@ -728,7 +734,7 @@ func TestGetParentNames(t *testing.T) {
 	for _, tc := range testcases {
 		s.folderService = &foldertest.FakeService{ExpectedFolders: tc.fakeFolders}
 
-		dataUIDsToParentNamesByType, err := s.getParentNames(ctx, user, tc.dashboards, tc.folders, tc.libraryElements)
+		dataUIDsToParentNamesByType, err := s.getParentNames(ctx, user, tc.dashboards, tc.folders, tc.libraryElements, tc.alertRules)
 		require.NoError(t, err)
 
 		for dataType, expectedParentNames := range tc.expectedParentNames {