testes written for cache/listers.go

Kubernetes-commit: 8e8770961616369ac47149c69e7dc29562578d51
This commit is contained in:
0xMALVEE 2024-05-23 23:40:18 +06:00 committed by Kubernetes Publisher
parent 65ca8d80f5
commit 8410e24e31

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