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Merge pull request #125102 from 0xMALVEE/unit-tests-listers.go
Add unit tests to client-go/tools/cache/listers.go
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Kubernetes Prow Robot
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0b00454617
199
staging/src/k8s.io/client-go/tools/cache/listers_test.go
vendored
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199
staging/src/k8s.io/client-go/tools/cache/listers_test.go
vendored
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/*
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Copyright 2024 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cache
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import (
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"reflect"
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"testing"
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"github.com/google/go-cmp/cmp"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime"
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schema "k8s.io/apimachinery/pkg/runtime/schema"
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)
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func TestListersListAll(t *testing.T) {
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mkObj := func(id string, val string) testStoreObject {
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return testStoreObject{id: id, val: val}
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}
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store := NewStore(testStoreKeyFunc)
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err := store.Add(mkObj("foo", "bar"))
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if err != nil {
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t.Errorf("store obj add failed")
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}
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err = store.Add(mkObj("foo-1", "bar-1"))
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if err != nil {
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t.Errorf("store obj add failed")
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}
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expectedOutput := []testStoreObject{
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mkObj("foo", "bar"),
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mkObj("foo-1", "bar-1"),
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}
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actualOutput := []testStoreObject{}
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err = ListAll(store, labels.Everything(), func(obj interface{}) {
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actualOutput = append(actualOutput, obj.(testStoreObject))
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})
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if !reflect.DeepEqual(expectedOutput, actualOutput) {
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t.Fatalf("unexpected object has been returned expected = %v actual = %v, diff = %v", expectedOutput, actualOutput, cmp.Diff(expectedOutput, actualOutput))
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}
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}
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func TestListersListAllByNamespace(t *testing.T) {
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objs := []*unstructured.Unstructured{
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newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
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newUnstructured("group/version", "TheKind", "ns-foo", "name-foo1"),
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newUnstructured("group/version", "TheKind", "ns-bar", "name-bar"),
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}
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indexer := NewIndexer(MetaNamespaceKeyFunc, Indexers{})
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for _, obj := range objs {
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err := indexer.Add(obj)
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if err != nil {
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t.Fatal(err)
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}
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}
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expectedOutput := []*unstructured.Unstructured{
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newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
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newUnstructured("group/version", "TheKind", "ns-foo", "name-foo1"),
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}
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namespaceToList := "ns-foo"
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actualOutput := []*unstructured.Unstructured{}
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appendFn := func(obj interface{}) {
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actualOutput = append(actualOutput, obj.(*unstructured.Unstructured))
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}
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err := ListAllByNamespace(indexer, namespaceToList, labels.Everything(), appendFn)
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(expectedOutput, actualOutput) {
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t.Fatalf("unexpected object has been returned expected = %v actual = %v, diff = %v", expectedOutput, actualOutput, cmp.Diff(expectedOutput, actualOutput))
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}
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}
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func TestGenericListerListMethod(t *testing.T) {
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objs := []*unstructured.Unstructured{
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newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
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newUnstructured("group/version", "TheKind", "ns-foo", "name-foo1"),
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newUnstructured("group/version", "TheKind", "ns-bar", "name-bar"),
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}
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indexer := NewIndexer(MetaNamespaceKeyFunc, Indexers{})
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for _, obj := range objs {
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err := indexer.Add(obj)
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if err != nil {
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t.Fatal(err)
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}
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}
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target := NewGenericLister(indexer, schema.GroupResource{Group: "group", Resource: "resource"})
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expectedOutput := []runtime.Object{
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newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
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newUnstructured("group/version", "TheKind", "ns-foo", "name-foo1"),
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newUnstructured("group/version", "TheKind", "ns-bar", "name-bar"),
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}
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actualOutput, err := target.List(labels.Everything())
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(expectedOutput, actualOutput) {
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t.Fatalf("unexpected object has been returned expected = %v actual = %v, diff = %v", expectedOutput, actualOutput, cmp.Diff(expectedOutput, actualOutput))
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}
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}
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func TestGenericListerByNamespaceMethod(t *testing.T) {
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objs := []*unstructured.Unstructured{
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newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
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newUnstructured("group/version", "TheKind", "ns-faa", "name-faa1"),
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newUnstructured("group/version", "TheKind", "ns-bar", "name-bar"),
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}
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indexer := NewIndexer(MetaNamespaceKeyFunc, Indexers{})
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for _, obj := range objs {
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err := indexer.Add(obj)
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if err != nil {
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t.Fatal(err)
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}
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}
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target := NewGenericLister(indexer, schema.GroupResource{Group: "group", Resource: "resource"})
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expectedOutput := []runtime.Object{
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newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
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}
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namespaceToList := "ns-foo"
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actualOutput, err := target.ByNamespace(namespaceToList).List(labels.Everything())
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(expectedOutput, actualOutput) {
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t.Fatalf("unexpected object has been returned expected = %v actual = %v, diff = %v", expectedOutput, actualOutput, cmp.Diff(expectedOutput, actualOutput))
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}
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}
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func TestGenericListerGetMethod(t *testing.T) {
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objs := []*unstructured.Unstructured{
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newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
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newUnstructured("group/version", "TheKind", "ns-faa", "name-faa1"),
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newUnstructured("group/version", "TheKind", "ns-bar", "name-bar"),
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}
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indexer := NewIndexer(MetaNamespaceKeyFunc, Indexers{})
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for _, obj := range objs {
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err := indexer.Add(obj)
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if err != nil {
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t.Fatal(err)
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}
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}
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target := NewGenericLister(indexer, schema.GroupResource{Group: "group", Resource: "resource"})
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expectedOutput := []runtime.Object{
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newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
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}[0]
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key := "ns-foo/name-foo"
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actualOutput, err := target.Get(key)
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(expectedOutput, actualOutput) {
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t.Fatalf("unexpected object has been returned expected = %v actual = %v, diff = %v", expectedOutput, actualOutput, cmp.Diff(expectedOutput, actualOutput))
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}
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}
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func newUnstructured(apiVersion, kind, namespace, name string) *unstructured.Unstructured {
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return &unstructured.Unstructured{
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Object: map[string]interface{}{
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"apiVersion": apiVersion,
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"kind": kind,
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"metadata": map[string]interface{}{
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"namespace": namespace,
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"name": name,
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},
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},
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}
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}
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