Merge pull request kubernetes#126228 from googs1025/fix_informer

chore(Job):  make trivial improvements to job controller unit test

Author: k8s-ci-robot

pkg/controller/job/job_controller_test.go

@@ -2756,7 +2756,7 @@ func getCondition(job *batch.Job, condition batch.JobConditionType, status v1.Co
 // reaching the active deadline, at which point it is marked as Failed.
 func TestPastDeadlineJobFinished(t *testing.T) {
 	_, ctx := ktesting.NewTestContext(t)
-	clientset := fake.NewSimpleClientset()
+	clientset := fake.NewClientset()
 	fakeClock := clocktesting.NewFakeClock(time.Now().Truncate(time.Second))
 	manager, sharedInformerFactory := newControllerFromClientWithClock(ctx, t, clientset, controller.NoResyncPeriodFunc, fakeClock)
 	manager.podStoreSynced = alwaysReady
@@ -6044,7 +6044,7 @@ func TestGetPodsForJob(t *testing.T) {
 			if tc.jobDeleted {
 				job.DeletionTimestamp = &metav1.Time{}
 			}
-			clientSet := fake.NewSimpleClientset(job, otherJob)
+			clientSet := fake.NewClientset(job, otherJob)
 			jm, informer := newControllerFromClient(ctx, t, clientSet, controller.NoResyncPeriodFunc)
 			jm.podStoreSynced = alwaysReady
 			jm.jobStoreSynced = alwaysReady
@@ -6416,7 +6416,7 @@ func TestSyncJobExpectations(t *testing.T) {
 
 func TestWatchJobs(t *testing.T) {
 	_, ctx := ktesting.NewTestContext(t)
-	clientset := fake.NewSimpleClientset()
+	clientset := fake.NewClientset()
 	fakeWatch := watch.NewFake()
 	clientset.PrependWatchReactor("jobs", core.DefaultWatchReactor(fakeWatch, nil))
 	manager, sharedInformerFactory := newControllerFromClient(ctx, t, clientset, controller.NoResyncPeriodFunc)
@@ -6446,9 +6446,8 @@ func TestWatchJobs(t *testing.T) {
 	}
 	// Start only the job watcher and the workqueue, send a watch event,
 	// and make sure it hits the sync method.
-	stopCh := make(chan struct{})
-	defer close(stopCh)
-	sharedInformerFactory.Start(stopCh)
+	sharedInformerFactory.Start(ctx.Done())
+	sharedInformerFactory.WaitForCacheSync(ctx.Done())
 	go manager.Run(ctx, 1)
 
 	// We're sending new job to see if it reaches syncHandler.
@@ -6462,7 +6461,7 @@ func TestWatchJobs(t *testing.T) {
 func TestWatchPods(t *testing.T) {
 	_, ctx := ktesting.NewTestContext(t)
 	testJob := newJob(2, 2, 6, batch.NonIndexedCompletion)
-	clientset := fake.NewSimpleClientset(testJob)
+	clientset := fake.NewClientset(testJob)
 	fakeWatch := watch.NewFake()
 	clientset.PrependWatchReactor("pods", core.DefaultWatchReactor(fakeWatch, nil))
 	manager, sharedInformerFactory := newControllerFromClient(ctx, t, clientset, controller.NoResyncPeriodFunc)
@@ -6493,9 +6492,7 @@ func TestWatchPods(t *testing.T) {
 	}
 	// Start only the pod watcher and the workqueue, send a watch event,
 	// and make sure it hits the sync method for the right job.
-	stopCh := make(chan struct{})
-	defer close(stopCh)
-	go sharedInformerFactory.Core().V1().Pods().Informer().Run(stopCh)
+	go sharedInformerFactory.Core().V1().Pods().Informer().Run(ctx.Done())
 	go manager.Run(ctx, 1)
 
 	pods := newPodList(1, v1.PodRunning, testJob)
@@ -6509,7 +6506,7 @@ func TestWatchPods(t *testing.T) {
 
 func TestWatchOrphanPods(t *testing.T) {
 	_, ctx := ktesting.NewTestContext(t)
-	clientset := fake.NewSimpleClientset()
+	clientset := fake.NewClientset()
 	sharedInformers := informers.NewSharedInformerFactory(clientset, controller.NoResyncPeriodFunc())
 	manager, err := NewController(ctx, sharedInformers.Core().V1().Pods(), sharedInformers.Batch().V1().Jobs(), clientset)
 	if err != nil {
@@ -6518,11 +6515,9 @@ func TestWatchOrphanPods(t *testing.T) {
 	manager.podStoreSynced = alwaysReady
 	manager.jobStoreSynced = alwaysReady
 
-	stopCh := make(chan struct{})
-	defer close(stopCh)
 	podInformer := sharedInformers.Core().V1().Pods().Informer()
-	go podInformer.Run(stopCh)
-	cache.WaitForCacheSync(stopCh, podInformer.HasSynced)
+	go podInformer.Run(ctx.Done())
+	cache.WaitForCacheSync(ctx.Done(), podInformer.HasSynced)
 	go manager.Run(ctx, 1)
 
 	// Create job but don't add it to the store.
@@ -6582,7 +6577,7 @@ func TestWatchOrphanPods(t *testing.T) {
 
 func TestSyncOrphanPod(t *testing.T) {
 	_, ctx := ktesting.NewTestContext(t)
-	clientset := fake.NewSimpleClientset()
+	clientset := fake.NewClientset()
 	sharedInformers := informers.NewSharedInformerFactory(clientset, controller.NoResyncPeriodFunc())
 	manager, err := NewController(ctx, sharedInformers.Core().V1().Pods(), sharedInformers.Batch().V1().Jobs(), clientset)
 	if err != nil {
@@ -6591,11 +6586,9 @@ func TestSyncOrphanPod(t *testing.T) {
 	manager.podStoreSynced = alwaysReady
 	manager.jobStoreSynced = alwaysReady
 
-	stopCh := make(chan struct{})
-	defer close(stopCh)
 	podInformer := sharedInformers.Core().V1().Pods().Informer()
-	go podInformer.Run(stopCh)
-	cache.WaitForCacheSync(stopCh, podInformer.HasSynced)
+	go podInformer.Run(ctx.Done())
+	cache.WaitForCacheSync(ctx.Done(), podInformer.HasSynced)
 	go manager.Run(ctx, 1)
 
 	cases := map[string]struct {
@@ -7462,7 +7455,7 @@ func TestEnsureJobConditions(t *testing.T) {
 
 func TestFinalizersRemovedExpectations(t *testing.T) {
 	_, ctx := ktesting.NewTestContext(t)
-	clientset := fake.NewSimpleClientset()
+	clientset := fake.NewClientset()
 	sharedInformers := informers.NewSharedInformerFactory(clientset, controller.NoResyncPeriodFunc())
 	manager, err := NewController(ctx, sharedInformers.Core().V1().Pods(), sharedInformers.Batch().V1().Jobs(), clientset)
 	if err != nil {
@@ -7506,10 +7499,8 @@ func TestFinalizersRemovedExpectations(t *testing.T) {
 		t.Errorf("Different expectations for removed finalizers after syncJob (-want,+got):\n%s", diff)
 	}
 
-	stopCh := make(chan struct{})
-	defer close(stopCh)
-	go sharedInformers.Core().V1().Pods().Informer().Run(stopCh)
-	cache.WaitForCacheSync(stopCh, podInformer.HasSynced)
+	go sharedInformers.Core().V1().Pods().Informer().Run(ctx.Done())
+	cache.WaitForCacheSync(ctx.Done(), podInformer.HasSynced)
 
 	// Make sure the first syncJob sets the expectations, even after the caches synced.
 	gotExpectedUIDs = manager.finalizerExpectations.getExpectedUIDs(jobKey)
@@ -7568,7 +7559,7 @@ func TestFinalizerCleanup(t *testing.T) {
 	ctx, cancel := context.WithCancel(ctx)
 	defer cancel()
 
-	clientset := fake.NewSimpleClientset()
+	clientset := fake.NewClientset()
 	sharedInformers := informers.NewSharedInformerFactory(clientset, controller.NoResyncPeriodFunc())
 	manager, err := NewController(ctx, sharedInformers.Core().V1().Pods(), sharedInformers.Batch().V1().Jobs(), clientset)
 	if err != nil {