replace test error checking with more readable way

test/e2e/apimachinery/resource_quota.go

@@ -216,7 +216,7 @@ var _ = SIGDescribe("ResourceQuota", func() {
 		requests[v1.ResourceMemory] = resource.MustParse("100Mi")
 		pod = newTestPodForQuota(f, "fail-pod", requests, v1.ResourceList{})
 		pod, err = f.ClientSet.CoreV1().Pods(f.Namespace.Name).Create(pod)
-		gomega.Expect(err).To(gomega.HaveOccurred())
+		framework.ExpectError(err)
 
 		ginkgo.By("Not allowing a pod to be created that exceeds remaining quota(validation on extended resources)")
 		requests = v1.ResourceList{}
@@ -228,7 +228,7 @@ var _ = SIGDescribe("ResourceQuota", func() {
 		limits[v1.ResourceName(extendedResourceName)] = resource.MustParse("2")
 		pod = newTestPodForQuota(f, "fail-pod-for-extended-resource", requests, limits)
 		pod, err = f.ClientSet.CoreV1().Pods(f.Namespace.Name).Create(pod)
-		gomega.Expect(err).To(gomega.HaveOccurred())
+		framework.ExpectError(err)
 
 		ginkgo.By("Ensuring a pod cannot update its resource requirements")
 		// a pod cannot dynamically update its resource requirements.
@@ -238,7 +238,7 @@ var _ = SIGDescribe("ResourceQuota", func() {
 		requests[v1.ResourceEphemeralStorage] = resource.MustParse("10Gi")
 		podToUpdate.Spec.Containers[0].Resources.Requests = requests
 		_, err = f.ClientSet.CoreV1().Pods(f.Namespace.Name).Update(podToUpdate)
-		gomega.Expect(err).To(gomega.HaveOccurred())
+		framework.ExpectError(err)
 
 		ginkgo.By("Ensuring attempts to update pod resource requirements did not change quota usage")
 		err = waitForResourceQuota(f.ClientSet, f.Namespace.Name, quotaName, usedResources)
@@ -561,7 +561,7 @@ var _ = SIGDescribe("ResourceQuota", func() {
 			},
 		}, resourceClient, testcrd.Crd)
 		// since we only give one quota, this creation should fail.
-		gomega.Expect(err).To(gomega.HaveOccurred())
+		framework.ExpectError(err)
 
 		ginkgo.By("Deleting a custom resource")
 		err = deleteCustomResource(resourceClient, testcr.GetName())
@@ -1052,7 +1052,7 @@ var _ = SIGDescribe("ResourceQuota [Feature:PodPriority]", func() {
 		podName2 := "testpod-pclass2-2"
 		pod2 := newTestPodForQuotaWithPriority(f, podName2, v1.ResourceList{}, v1.ResourceList{}, "pclass2")
 		pod2, err = f.ClientSet.CoreV1().Pods(f.Namespace.Name).Create(pod2)
-		gomega.Expect(err).To(gomega.HaveOccurred())
+		framework.ExpectError(err)
 
 		ginkgo.By("Deleting first pod")
 		err = f.ClientSet.CoreV1().Pods(f.Namespace.Name).Delete(pod.Name, metav1.NewDeleteOptions(0))

test/e2e/apps/cronjob.go

@@ -91,7 +91,7 @@ var _ = SIGDescribe("CronJob", func() {
 
 		ginkgo.By("Ensuring no jobs are scheduled")
 		err = waitForNoJobs(f.ClientSet, f.Namespace.Name, cronJob.Name, false)
-		gomega.Expect(err).To(gomega.HaveOccurred())
+		framework.ExpectError(err)
 
 		ginkgo.By("Ensuring no job exists by listing jobs explicitly")
 		jobs, err := f.ClientSet.BatchV1().Jobs(f.Namespace.Name).List(metav1.ListOptions{})
@@ -128,7 +128,7 @@ var _ = SIGDescribe("CronJob", func() {
 
 		ginkgo.By("Ensuring no more jobs are scheduled")
 		err = waitForActiveJobs(f.ClientSet, f.Namespace.Name, cronJob.Name, 2)
-		gomega.Expect(err).To(gomega.HaveOccurred())
+		framework.ExpectError(err)
 
 		ginkgo.By("Removing cronjob")
 		err = deleteCronJob(f.ClientSet, f.Namespace.Name, cronJob.Name)
@@ -183,7 +183,7 @@ var _ = SIGDescribe("CronJob", func() {
 
 		ginkgo.By("Ensuring no unexpected event has happened")
 		err = waitForEventWithReason(f.ClientSet, f.Namespace.Name, cronJob.Name, []string{"MissingJob", "UnexpectedJob"})
-		gomega.Expect(err).To(gomega.HaveOccurred())
+		framework.ExpectError(err)
 
 		ginkgo.By("Removing cronjob")
 		err = deleteCronJob(f.ClientSet, f.Namespace.Name, cronJob.Name)
@@ -213,7 +213,7 @@ var _ = SIGDescribe("CronJob", func() {
 
 		ginkgo.By("Ensuring job was deleted")
 		_, err = jobutil.GetJob(f.ClientSet, f.Namespace.Name, job.Name)
-		gomega.Expect(err).To(gomega.HaveOccurred())
+		framework.ExpectError(err)
 		gomega.Expect(errors.IsNotFound(err)).To(gomega.BeTrue())
 
 		ginkgo.By("Ensuring the job is not in the cronjob active list")

test/e2e/apps/deployment.go

@@ -198,7 +198,7 @@ func stopDeployment(c clientset.Interface, ns, deploymentName string) {
 
 	e2elog.Logf("Ensuring deployment %s was deleted", deploymentName)
 	_, err = c.AppsV1().Deployments(ns).Get(deployment.Name, metav1.GetOptions{})
-	gomega.Expect(err).To(gomega.HaveOccurred())
+	framework.ExpectError(err)
 	gomega.Expect(errors.IsNotFound(err)).To(gomega.BeTrue())
 	e2elog.Logf("Ensuring deployment %s's RSes were deleted", deploymentName)
 	selector, err := metav1.LabelSelectorAsSelector(deployment.Spec.Selector)

test/e2e/kubectl/kubectl.go

@@ -711,7 +711,7 @@ metadata:
 			ginkgo.By("trying to use kubectl with invalid token")
 			_, err = framework.RunHostCmd(ns, simplePodName, "/tmp/kubectl get pods --token=invalid --v=7 2>&1")
 			e2elog.Logf("got err %v", err)
-			gomega.Expect(err).To(gomega.HaveOccurred())
+			framework.ExpectError(err)
 			gomega.Expect(err).To(gomega.ContainSubstring("Using in-cluster namespace"))
 			gomega.Expect(err).To(gomega.ContainSubstring("Using in-cluster configuration"))
 			gomega.Expect(err).To(gomega.ContainSubstring("Authorization: Bearer invalid"))
@@ -720,7 +720,7 @@ metadata:
 			ginkgo.By("trying to use kubectl with invalid server")
 			_, err = framework.RunHostCmd(ns, simplePodName, "/tmp/kubectl get pods --server=invalid --v=6 2>&1")
 			e2elog.Logf("got err %v", err)
-			gomega.Expect(err).To(gomega.HaveOccurred())
+			framework.ExpectError(err)
 			gomega.Expect(err).To(gomega.ContainSubstring("Unable to connect to the server"))
 			gomega.Expect(err).To(gomega.ContainSubstring("GET http://invalid/api"))
 
@@ -1717,7 +1717,7 @@ metadata:
 
 			ginkgo.By("verifying the job " + jobName + " was deleted")
 			_, err = c.BatchV1().Jobs(ns).Get(jobName, metav1.GetOptions{})
-			gomega.Expect(err).To(gomega.HaveOccurred())
+			framework.ExpectError(err)
 			gomega.Expect(apierrs.IsNotFound(err)).To(gomega.BeTrue())
 		})
 	})

test/e2e/lifecycle/addon_update.go

@@ -334,7 +334,7 @@ var _ = SIGDescribe("Addon update", func() {
 
 		ginkgo.By("verify invalid addons weren't created")
 		_, err = f.ClientSet.CoreV1().ReplicationControllers(addonNsName).Get("invalid-addon-test", metav1.GetOptions{})
-		gomega.Expect(err).To(gomega.HaveOccurred())
+		framework.ExpectError(err)
 
 		// Invalid addon manifests and the "ensure exist class" addon will be deleted by the deferred function.
 	})