apiserver/pkg/admission/configuration/mutating_webhook_manager_te...

124 lines
4.2 KiB
Go

/*
Copyright 2017 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 configuration
import (
"fmt"
"reflect"
"testing"
"time"
"k8s.io/api/admissionregistration/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
admissionregistrationlisters "k8s.io/client-go/listers/admissionregistration/v1beta1"
"k8s.io/client-go/tools/cache"
)
type fakeMutatingWebhookConfigSharedInformer struct {
informer *fakeMutatingWebhookConfigInformer
lister *fakeMutatingWebhookConfigLister
}
func (f *fakeMutatingWebhookConfigSharedInformer) Informer() cache.SharedIndexInformer {
return f.informer
}
func (f *fakeMutatingWebhookConfigSharedInformer) Lister() admissionregistrationlisters.MutatingWebhookConfigurationLister {
return f.lister
}
type fakeMutatingWebhookConfigInformer struct {
eventHandler cache.ResourceEventHandler
}
func (f *fakeMutatingWebhookConfigInformer) AddEventHandler(handler cache.ResourceEventHandler) {
fmt.Println("added handler")
f.eventHandler = handler
}
func (f *fakeMutatingWebhookConfigInformer) AddEventHandlerWithResyncPeriod(handler cache.ResourceEventHandler, resyncPeriod time.Duration) {
panic("unsupported")
}
func (f *fakeMutatingWebhookConfigInformer) GetStore() cache.Store {
panic("unsupported")
}
func (f *fakeMutatingWebhookConfigInformer) GetController() cache.Controller {
panic("unsupported")
}
func (f *fakeMutatingWebhookConfigInformer) Run(stopCh <-chan struct{}) {
panic("unsupported")
}
func (f *fakeMutatingWebhookConfigInformer) HasSynced() bool {
panic("unsupported")
}
func (f *fakeMutatingWebhookConfigInformer) LastSyncResourceVersion() string {
panic("unsupported")
}
func (f *fakeMutatingWebhookConfigInformer) AddIndexers(indexers cache.Indexers) error {
panic("unsupported")
}
func (f *fakeMutatingWebhookConfigInformer) GetIndexer() cache.Indexer { panic("unsupported") }
type fakeMutatingWebhookConfigLister struct {
list []*v1beta1.MutatingWebhookConfiguration
err error
}
func (f *fakeMutatingWebhookConfigLister) List(selector labels.Selector) (ret []*v1beta1.MutatingWebhookConfiguration, err error) {
return f.list, f.err
}
func (f *fakeMutatingWebhookConfigLister) Get(name string) (*v1beta1.MutatingWebhookConfiguration, error) {
panic("unsupported")
}
func TestGetMutatingWebhookConfig(t *testing.T) {
informer := &fakeMutatingWebhookConfigSharedInformer{
informer: &fakeMutatingWebhookConfigInformer{},
lister: &fakeMutatingWebhookConfigLister{},
}
// no configurations
informer.lister.list = nil
manager := NewMutatingWebhookConfigurationManager(informer)
if configurations := manager.Webhooks(); len(configurations.Webhooks) != 0 {
t.Errorf("expected empty webhooks, but got %v", configurations.Webhooks)
}
// list err
webhookConfiguration := &v1beta1.MutatingWebhookConfiguration{
ObjectMeta: metav1.ObjectMeta{Name: "webhook1"},
Webhooks: []v1beta1.Webhook{{Name: "webhook1.1"}},
}
informer.lister.list = []*v1beta1.MutatingWebhookConfiguration{webhookConfiguration.DeepCopy()}
informer.lister.err = fmt.Errorf("mutating webhook configuration list error")
informer.informer.eventHandler.OnAdd(webhookConfiguration.DeepCopy())
if configurations := manager.Webhooks(); len(configurations.Webhooks) != 0 {
t.Errorf("expected empty webhooks, but got %v", configurations.Webhooks)
}
// configuration populated
informer.lister.err = nil
informer.informer.eventHandler.OnAdd(webhookConfiguration.DeepCopy())
configurations := manager.Webhooks()
if len(configurations.Webhooks) == 0 {
t.Errorf("expected non empty webhooks")
}
if !reflect.DeepEqual(configurations.Webhooks, webhookConfiguration.Webhooks) {
t.Errorf("Expected\n%#v\ngot\n%#v", webhookConfiguration.Webhooks, configurations.Webhooks)
}
}