| // +build !race |
| |
| /* |
| Copyright 2016 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 ( |
| "testing" |
| "time" |
| |
| "k8s.io/api/core/v1" |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| "k8s.io/apimachinery/pkg/runtime" |
| "k8s.io/apimachinery/pkg/watch" |
| ) |
| |
| func TestMutationDetector(t *testing.T) { |
| fakeWatch := watch.NewFake() |
| lw := &testLW{ |
| WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) { |
| return fakeWatch, nil |
| }, |
| ListFunc: func(options metav1.ListOptions) (runtime.Object, error) { |
| return &v1.PodList{}, nil |
| }, |
| } |
| pod := &v1.Pod{ |
| ObjectMeta: metav1.ObjectMeta{ |
| Name: "anything", |
| Labels: map[string]string{"check": "foo"}, |
| }, |
| } |
| stopCh := make(chan struct{}) |
| defer close(stopCh) |
| addReceived := make(chan bool) |
| mutationFound := make(chan bool) |
| |
| informer := NewSharedInformer(lw, &v1.Pod{}, 1*time.Second).(*sharedIndexInformer) |
| informer.cacheMutationDetector = &defaultCacheMutationDetector{ |
| name: "name", |
| period: 1 * time.Second, |
| failureFunc: func(message string) { |
| mutationFound <- true |
| }, |
| } |
| informer.AddEventHandler( |
| ResourceEventHandlerFuncs{ |
| AddFunc: func(obj interface{}) { |
| addReceived <- true |
| }, |
| }, |
| ) |
| go informer.Run(stopCh) |
| |
| fakeWatch.Add(pod) |
| |
| select { |
| case <-addReceived: |
| } |
| |
| pod.Labels["change"] = "true" |
| |
| select { |
| case <-mutationFound: |
| } |
| |
| } |