kubernetes mutation_detector_test 源码
kubernetes mutation_detector_test 代码
文件路径：/staging/src/k8s.io/client-go/tools/cache/mutation_detector_test.go
/*
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/util/wait"
"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)
mutationFound := make(chan bool)
informer := NewSharedInformer(lw, &v1.Pod{}, 1*time.Second).(*sharedIndexInformer)
detector := &defaultCacheMutationDetector{
name: "name",
period: 1 * time.Second,
retainDuration: 2 * time.Minute,
failureFunc: func(message string) {
mutationFound <- true
},
}
informer.cacheMutationDetector = detector
go informer.Run(stopCh)
fakeWatch.Add(pod)
wait.PollImmediate(100*time.Millisecond, wait.ForeverTestTimeout, func() (bool, error) {
detector.addedObjsLock.Lock()
defer detector.addedObjsLock.Unlock()
return len(detector.addedObjs) > 0, nil
})
detector.compareObjectsLock.Lock()
pod.Labels["change"] = "true"
detector.compareObjectsLock.Unlock()
select {
case <-mutationFound:
case <-time.After(wait.ForeverTestTimeout):
t.Fatalf("failed waiting for mutating detector")
}
}
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