published by bot

(https://github.com/kubernetes/contrib/tree/master/mungegithub)

copied from https://github.com/kubernetes/kubernetes.git, branch master,
last commit is 71ba8a90f0a4f3a307cffeb8f8566d13277cb135

tools/cache/mutation_detector_test.go

@@ -0,0 +1,80 @@
+// +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/client-go/pkg/api"
+	"k8s.io/client-go/pkg/runtime"
+	"k8s.io/client-go/pkg/watch"
+)
+
+func TestMutationDetector(t *testing.T) {
+	fakeWatch := watch.NewFake()
+	lw := &testLW{
+		WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
+			return fakeWatch, nil
+		},
+		ListFunc: func(options api.ListOptions) (runtime.Object, error) {
+			return &api.PodList{}, nil
+		},
+	}
+	pod := &api.Pod{
+		ObjectMeta: api.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, &api.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:
+	}
+
+}