376 lines
10 KiB
Go
376 lines
10 KiB
Go
/*
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Copyright 2022 The Karmada 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 util
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import (
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"errors"
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"reflect"
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"testing"
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corev1 "k8s.io/api/core/v1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/client-go/kubernetes/fake"
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coretesting "k8s.io/client-go/testing"
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)
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func TestIsNamespaceExist(t *testing.T) {
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type args struct {
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client *fake.Clientset
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namespace string
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reactor coretesting.ReactionFunc
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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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want bool
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wantErr bool
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}{
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{
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name: "query namespace error",
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args: args{
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client: fake.NewSimpleClientset(&corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}}),
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namespace: metav1.NamespaceDefault,
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reactor: func(_ coretesting.Action) (handled bool, ret runtime.Object, err error) {
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return true, &corev1.Namespace{}, errors.New("failed to get namespace")
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},
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},
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want: false,
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wantErr: true,
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},
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{
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name: "namespace not exists",
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args: args{
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client: fake.NewSimpleClientset(&corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default-1"}}),
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namespace: metav1.NamespaceDefault,
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reactor: nil,
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},
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want: false,
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wantErr: false,
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},
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{
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name: "namespace already exists",
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args: args{
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client: fake.NewSimpleClientset(&corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}}),
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namespace: metav1.NamespaceDefault,
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reactor: nil,
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},
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want: true,
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wantErr: false,
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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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if tt.args.reactor != nil {
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tt.args.client.PrependReactor("get", "namespaces", tt.args.reactor)
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}
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got, err := IsNamespaceExist(tt.args.client, tt.args.namespace)
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if (err == nil && tt.wantErr == true) || (err != nil && tt.wantErr == false) {
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t.Errorf("IsNamespaceExist() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if got != tt.want {
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t.Errorf("IsNamespaceExist() got = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestCreateNamespace(t *testing.T) {
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type args struct {
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client *fake.Clientset
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namespaceObj *corev1.Namespace
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reactor coretesting.ReactionFunc
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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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want *corev1.Namespace
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wantErr bool
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}{
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{
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name: "success create namespace",
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args: args{
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client: fake.NewSimpleClientset(),
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namespaceObj: &corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}},
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reactor: nil,
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},
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want: &corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}},
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wantErr: false,
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},
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{
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name: "namespace already exists",
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args: args{
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client: fake.NewSimpleClientset(&corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}}),
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namespaceObj: &corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}},
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},
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want: &corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}},
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wantErr: false,
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},
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{
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name: "create namespace error",
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args: args{
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client: fake.NewSimpleClientset(),
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namespaceObj: &corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}},
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reactor: func(_ coretesting.Action) (handled bool, ret runtime.Object, err error) {
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return true, nil, errors.New("failed to create namespace")
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},
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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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if tt.args.reactor != nil {
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tt.args.client.PrependReactor("create", "namespaces", tt.args.reactor)
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}
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got, err := CreateNamespace(tt.args.client, tt.args.namespaceObj)
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if (err == nil && tt.wantErr == true) || (err != nil && tt.wantErr == false) {
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t.Errorf("CreateNamespace() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("CreateNamespace() got = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestDeleteNamespace(t *testing.T) {
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type args struct {
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client *fake.Clientset
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namespace string
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reactor coretesting.ReactionFunc
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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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wantErr bool
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}{
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{
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name: "namespace not exists",
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args: args{
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client: fake.NewSimpleClientset(),
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namespace: "default",
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reactor: nil,
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},
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wantErr: false,
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},
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{
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name: "delete namespace error",
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args: args{
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client: fake.NewSimpleClientset(&corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}}),
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namespace: "default",
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reactor: func(_ coretesting.Action) (handled bool, ret runtime.Object, err error) {
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return true, nil, errors.New("failed to delete namespaces")
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},
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},
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wantErr: true,
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},
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{
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name: "success delete namespace",
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args: args{
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client: fake.NewSimpleClientset(&corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}}),
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namespace: "default",
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reactor: nil,
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},
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wantErr: false,
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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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if tt.args.reactor != nil {
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tt.args.client.PrependReactor("delete", "namespaces", tt.args.reactor)
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}
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err := DeleteNamespace(tt.args.client, tt.args.namespace)
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if (err == nil && tt.wantErr == true) || (err != nil && tt.wantErr == false) {
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t.Errorf("DeleteNamespace() error = %v, wantErr %v", err, tt.wantErr)
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}
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})
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}
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}
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func TestEnsureNamespaceExist(t *testing.T) {
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type args struct {
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client *fake.Clientset
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namespace string
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dryRun bool
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reactorGet coretesting.ReactionFunc
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reactorCreate coretesting.ReactionFunc
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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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wantErr bool
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}{
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{
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name: "dry run",
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args: args{
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client: fake.NewSimpleClientset(),
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namespace: "default",
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dryRun: true,
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},
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wantErr: false,
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},
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{
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name: "namespace already exists",
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args: args{
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client: fake.NewSimpleClientset(&corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}}),
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namespace: "default",
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reactorCreate: func(_ coretesting.Action) (handled bool, ret runtime.Object, err error) {
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return true, nil, apierrors.NewAlreadyExists(schema.ParseGroupResource("namespaces"), "default")
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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: "check namespace exists error",
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args: args{
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client: fake.NewSimpleClientset(&corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}}),
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namespace: metav1.NamespaceDefault,
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reactorGet: func(_ coretesting.Action) (handled bool, ret runtime.Object, err error) {
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return true, nil, errors.New("failed to get namespace")
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},
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},
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wantErr: true,
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},
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{
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name: "create namespace error",
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args: args{
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client: fake.NewSimpleClientset(),
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namespace: metav1.NamespaceDefault,
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reactorCreate: func(_ coretesting.Action) (handled bool, ret runtime.Object, err error) {
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return true, nil, errors.New("failed to create namespace")
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},
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},
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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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if tt.args.reactorGet != nil {
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tt.args.client.PrependReactor("get", "namespaces", tt.args.reactorGet)
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}
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if tt.args.reactorCreate != nil {
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tt.args.client.PrependReactor("create", "namespaces", tt.args.reactorCreate)
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}
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_, err := EnsureNamespaceExist(tt.args.client, tt.args.namespace, tt.args.dryRun)
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if (err == nil && tt.wantErr == true) || (err != nil && tt.wantErr == false) {
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t.Errorf("EnsureNamespaceExist() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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})
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}
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}
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func TestEnsureNamespaceExistWithLabels(t *testing.T) {
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type args struct {
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client *fake.Clientset
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namespace string
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dryRun bool
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labels map[string]string
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reactorGet coretesting.ReactionFunc
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reactorCreate coretesting.ReactionFunc
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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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wantErr bool
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}{
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{
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name: "dry run",
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args: args{
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client: fake.NewSimpleClientset(),
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namespace: "default",
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dryRun: true,
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labels: map[string]string{"testkey": "testvalue"},
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},
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wantErr: false,
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},
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{
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name: "namespace already exists",
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args: args{
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client: fake.NewSimpleClientset(&corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}}),
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namespace: "default",
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labels: map[string]string{"testkey": "testvalue"},
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reactorCreate: func(_ coretesting.Action) (handled bool, ret runtime.Object, err error) {
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return true, nil, apierrors.NewAlreadyExists(schema.ParseGroupResource("namespaces"), "default")
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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: "check namespace exists error",
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args: args{
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client: fake.NewSimpleClientset(&corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "default"}}),
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namespace: metav1.NamespaceDefault,
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labels: map[string]string{"testkey": "testvalue"},
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reactorGet: func(_ coretesting.Action) (handled bool, ret runtime.Object, err error) {
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return true, nil, errors.New("failed to get namespace")
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},
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},
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wantErr: true,
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},
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{
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name: "create namespace error",
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args: args{
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client: fake.NewSimpleClientset(),
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namespace: metav1.NamespaceDefault,
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labels: map[string]string{"testkey": "testvalue"},
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reactorCreate: func(_ coretesting.Action) (handled bool, ret runtime.Object, err error) {
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return true, nil, errors.New("failed to create namespace")
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},
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},
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wantErr: true,
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},
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{
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name: "create namespace with nil labels",
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args: args{
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client: fake.NewSimpleClientset(),
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namespace: metav1.NamespaceDefault,
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labels: nil,
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},
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wantErr: false,
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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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if tt.args.reactorGet != nil {
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tt.args.client.PrependReactor("get", "namespaces", tt.args.reactorGet)
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}
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if tt.args.reactorCreate != nil {
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tt.args.client.PrependReactor("create", "namespaces", tt.args.reactorCreate)
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}
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_, err := EnsureNamespaceExistWithLabels(tt.args.client, tt.args.namespace, tt.args.dryRun, tt.args.labels)
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if (err == nil && tt.wantErr == true) || (err != nil && tt.wantErr == false) {
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t.Errorf("EnsureNamespaceExistWithLabels() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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})
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}
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}
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