fix: detect circular references in GetDescendants (#113672)
* fix: detect circular references in GetDescendants * chore: use map[string]bool and instantiate at the beginning of the function
This commit is contained in:
Rafael Bortolon Paulovic
@@ -765,6 +765,279 @@ func TestGetFolders(t *testing.T) {
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}
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}
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func TestGetDescendants(t *testing.T) {
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orgID := int64(1)
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type args struct {
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ctx context.Context
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orgID int64
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ancestorUID string
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}
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tests := []struct {
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name string
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args args
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mock func(mockCli *client.MockK8sHandler)
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want []*folder.Folder
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wantErr bool
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}{
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{
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name: "should return all descendants in a tree structure",
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args: args{
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ctx: context.Background(),
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orgID: orgID,
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ancestorUID: "root",
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},
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mock: func(mockCli *client.MockK8sHandler) {
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mockCli.On("List", mock.Anything, orgID, metav1.ListOptions{
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Limit: folderListLimit,
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TypeMeta: metav1.TypeMeta{},
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}).Return(&unstructured.UnstructuredList{
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Items: []unstructured.Unstructured{
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{
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Object: map[string]interface{}{
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"metadata": map[string]interface{}{
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"name": "root",
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"uid": "root",
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},
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"spec": map[string]interface{}{
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"title": "Root",
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},
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},
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},
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{
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Object: map[string]interface{}{
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"metadata": map[string]interface{}{
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"name": "child1",
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"uid": "child1",
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"annotations": map[string]interface{}{"grafana.app/folder": "root"},
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},
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"spec": map[string]interface{}{
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"title": "Child1",
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},
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},
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},
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{
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Object: map[string]interface{}{
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"metadata": map[string]interface{}{
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"name": "child2",
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"uid": "child2",
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"annotations": map[string]interface{}{"grafana.app/folder": "child1"},
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},
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"spec": map[string]interface{}{
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"title": "Child2",
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},
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},
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},
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{
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Object: map[string]interface{}{
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"metadata": map[string]interface{}{
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"name": "child3",
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"uid": "child3",
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"annotations": map[string]interface{}{"grafana.app/folder": "root"},
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},
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"spec": map[string]interface{}{
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"title": "Child3",
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},
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},
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},
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},
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}, nil).Once()
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},
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want: []*folder.Folder{
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{
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UID: "child1",
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Title: "Child1",
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OrgID: orgID,
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},
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{
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UID: "child2",
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Title: "Child2",
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OrgID: orgID,
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},
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{
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UID: "child3",
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Title: "Child3",
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OrgID: orgID,
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},
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},
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wantErr: false,
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},
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{
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name: "should return empty list when ancestor has no descendants",
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args: args{
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ctx: context.Background(),
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orgID: orgID,
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ancestorUID: "leaf",
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},
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mock: func(mockCli *client.MockK8sHandler) {
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mockCli.On("List", mock.Anything, orgID, metav1.ListOptions{
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Limit: folderListLimit,
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TypeMeta: metav1.TypeMeta{},
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}).Return(&unstructured.UnstructuredList{
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Items: []unstructured.Unstructured{
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{
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Object: map[string]interface{}{
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"metadata": map[string]interface{}{
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"name": "leaf",
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"uid": "leaf",
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},
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"spec": map[string]interface{}{
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"title": "Leaf",
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},
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},
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},
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{
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Object: map[string]interface{}{
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"metadata": map[string]interface{}{
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"name": "other",
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"uid": "other",
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"annotations": map[string]interface{}{"grafana.app/folder": "parent"},
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},
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"spec": map[string]interface{}{
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"title": "Other",
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},
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},
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},
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},
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}, nil).Once()
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},
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want: []*folder.Folder{},
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wantErr: false,
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},
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{
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name: "should detect circular reference and return error",
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args: args{
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ctx: context.Background(),
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orgID: orgID,
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ancestorUID: "a",
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},
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mock: func(mockCli *client.MockK8sHandler) {
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mockCli.On("List", mock.Anything, orgID, metav1.ListOptions{
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Limit: folderListLimit,
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TypeMeta: metav1.TypeMeta{},
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}).Return(&unstructured.UnstructuredList{
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Items: []unstructured.Unstructured{
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{
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Object: map[string]interface{}{
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"metadata": map[string]interface{}{
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"name": "a",
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"uid": "a",
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"annotations": map[string]interface{}{"grafana.app/folder": "c"},
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},
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"spec": map[string]interface{}{
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"title": "A",
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},
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},
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},
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{
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Object: map[string]interface{}{
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"metadata": map[string]interface{}{
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"name": "b",
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"uid": "b",
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"annotations": map[string]interface{}{"grafana.app/folder": "a"},
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},
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"spec": map[string]interface{}{
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"title": "B",
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},
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},
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},
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{
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Object: map[string]interface{}{
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"metadata": map[string]interface{}{
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"name": "c",
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"uid": "c",
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"annotations": map[string]interface{}{"grafana.app/folder": "b"},
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},
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"spec": map[string]interface{}{
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"title": "C",
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},
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},
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},
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},
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}, nil).Once()
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},
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want: nil,
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wantErr: true,
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},
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{
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name: "should detect self-referencing cycle and return error",
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args: args{
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ctx: context.Background(),
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orgID: orgID,
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ancestorUID: "self",
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},
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mock: func(mockCli *client.MockK8sHandler) {
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mockCli.On("List", mock.Anything, orgID, metav1.ListOptions{
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Limit: folderListLimit,
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TypeMeta: metav1.TypeMeta{},
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}).Return(&unstructured.UnstructuredList{
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Items: []unstructured.Unstructured{
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{
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Object: map[string]interface{}{
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"metadata": map[string]interface{}{
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"name": "self",
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"uid": "self",
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"annotations": map[string]interface{}{"grafana.app/folder": "child"},
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},
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"spec": map[string]interface{}{
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"title": "Self",
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},
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},
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},
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{
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Object: map[string]interface{}{
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"metadata": map[string]interface{}{
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"name": "child",
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"uid": "child",
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"annotations": map[string]interface{}{"grafana.app/folder": "self"},
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},
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"spec": map[string]interface{}{
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"title": "Child",
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},
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},
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},
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},
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}, nil).Once()
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},
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want: nil,
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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mockCLI := new(client.MockK8sHandler)
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tt.mock(mockCLI)
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tracer := noop.NewTracerProvider().Tracer("TestGetDescendants")
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ss := &FolderUnifiedStoreImpl{
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k8sclient: mockCLI,
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userService: usertest.NewUserServiceFake(),
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tracer: tracer,
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}
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got, err := ss.GetDescendants(tt.args.ctx, tt.args.orgID, tt.args.ancestorUID)
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if tt.wantErr {
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require.ErrorIs(t, err, folder.ErrCircularReference)
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return
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}
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require.NoError(t, err)
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require.Len(t, got, len(tt.want))
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// Create a map for easier comparison since order may vary
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gotMap := make(map[string]*folder.Folder)
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for _, f := range got {
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gotMap[f.UID] = f
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}
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require.Len(t, gotMap, len(tt.want))
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for _, want := range tt.want {
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gotFolder, exists := gotMap[want.UID]
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require.True(t, exists, "Expected folder with UID %s not found", want.UID)
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require.Equal(t, want.Title, gotFolder.Title)
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require.Equal(t, want.OrgID, gotFolder.OrgID)
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}
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})
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}
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}
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func TestBuildFolderFullPaths(t *testing.T) {
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type args struct {
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f *folder.Folder
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