From ad1e76bac2b22b04760f22ad3ba7ab586dbc240d Mon Sep 17 00:00:00 2001
From: Mohamed Awnallah <mohamedmohey2352@gmail.com>
Date: Sat, 13 Jul 2024 15:45:36 +0000
Subject: [PATCH] test/e2e/karmadactl_test.go: test describe command

In this commit, we test `karmadactl describe` command
on existing resource, non-existing resource, non-existing
namespace, and invalid resource type.

Signed-off-by: Mohamed Awnallah <mohamedmohey2352@gmail.com>
---
 test/e2e/karmadactl_test.go | 100 ++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)

diff --git a/test/e2e/karmadactl_test.go b/test/e2e/karmadactl_test.go
index bb91868d5..08192663d 100644
--- a/test/e2e/karmadactl_test.go
+++ b/test/e2e/karmadactl_test.go
@@ -892,3 +892,103 @@ var _ = ginkgo.Describe("Karmadactl get testing", func() {
 		})
 	})
 })
+
+var _ = ginkgo.Describe("Karmadactl describe testing", func() {
+	var member1 string
+	var member1Client kubernetes.Interface
+
+	ginkgo.BeforeEach(func() {
+		member1 = "member1"
+		member1Client = framework.GetClusterClient(member1)
+	})
+
+	ginkgo.Context("Test karmadactl describe for existing resource", func() {
+		var namespace, podName string
+		var (
+			ns  *corev1.Namespace
+			pod *corev1.Pod
+		)
+
+		ginkgo.BeforeEach(func() {
+			namespace = fmt.Sprintf("karmadatest-%s", rand.String(RandomStrLength))
+			podName = podNamePrefix + rand.String(RandomStrLength)
+			pod = helper.NewPod(namespace, podName)
+			ns = helper.NewNamespace(namespace)
+			// Create the namespace and pod in the member cluster.
+			_, err := member1Client.CoreV1().Namespaces().Create(context.TODO(), ns, metav1.CreateOptions{})
+			gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
+
+			_, err = member1Client.CoreV1().Pods(namespace).Create(context.TODO(), pod, metav1.CreateOptions{})
+			gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
+		})
+
+		ginkgo.AfterEach(func() {
+			err := member1Client.CoreV1().Namespaces().Delete(context.TODO(), namespace, metav1.DeleteOptions{})
+			gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
+		})
+
+		ginkgo.It("should describe the existing pod successfully", func() {
+			cmd := framework.NewKarmadactlCommand(kubeconfig, karmadaContext, karmadactlPath, namespace, karmadactlTimeout, "describe", "pods", podName, "-C", member1)
+			output, err := cmd.ExecOrDie()
+			gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
+			gomega.Expect(strings.Contains(output, podName)).Should(gomega.BeTrue())
+		})
+	})
+
+	ginkgo.Context("Test karmadactl describe for non-existing resource", func() {
+		var namespace, podName string
+		var ns *corev1.Namespace
+
+		ginkgo.BeforeEach(func() {
+			namespace = fmt.Sprintf("karmadatest-%s", rand.String(RandomStrLength))
+			podName = podNamePrefix + rand.String(RandomStrLength)
+			ns = helper.NewNamespace(namespace)
+			// Create the namespace in the member cluster.
+			_, err := member1Client.CoreV1().Namespaces().Create(context.TODO(), ns, metav1.CreateOptions{})
+			gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
+		})
+
+		ginkgo.AfterEach(func() {
+			err := member1Client.CoreV1().Namespaces().Delete(context.TODO(), namespace, metav1.DeleteOptions{})
+			gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
+		})
+
+		ginkgo.It("should return not found error for non-existing pod", func() {
+			cmd := framework.NewKarmadactlCommand(kubeconfig, karmadaContext, karmadactlPath, namespace, karmadactlTimeout, "describe", "pods", podName, "-C", member1)
+			_, err := cmd.ExecOrDie()
+			gomega.Expect(err).Should(gomega.HaveOccurred())
+			gomega.Expect(strings.Contains(err.Error(), fmt.Sprintf("pods \"%s\" not found", podName))).Should(gomega.BeTrue())
+		})
+	})
+
+	ginkgo.Context("Test karmadactl describe for non-existing resource in non-existing namespace", func() {
+		var namespace, podName string
+
+		ginkgo.BeforeEach(func() {
+			namespace = fmt.Sprintf("karmadatest-%s", rand.String(RandomStrLength))
+			podName = podNamePrefix + rand.String(RandomStrLength)
+		})
+
+		ginkgo.It("should return not found error for non-existing namespace", func() {
+			cmd := framework.NewKarmadactlCommand(kubeconfig, karmadaContext, karmadactlPath, namespace, karmadactlTimeout, "describe", "pods", podName, "-C", member1)
+			_, err := cmd.ExecOrDie()
+			gomega.Expect(err).Should(gomega.HaveOccurred())
+			gomega.Expect(strings.Contains(err.Error(), fmt.Sprintf("namespaces \"%s\" not found", namespace))).Should(gomega.BeTrue())
+		})
+	})
+
+	ginkgo.Context("Test karmadactl describe with invalid input", func() {
+		var namespace string
+
+		ginkgo.BeforeEach(func() {
+			namespace = fmt.Sprintf("karmadatest-%s", rand.String(RandomStrLength))
+		})
+
+		ginkgo.It("should return error for invalid resource type", func() {
+			cmd := framework.NewKarmadactlCommand(kubeconfig, karmadaContext, karmadactlPath, namespace, karmadactlTimeout, "describe", "invalidresource", "invalidname", "-C", member1)
+			_, err := cmd.ExecOrDie()
+			gomega.Expect(err).Should(gomega.HaveOccurred())
+			gomega.Expect(strings.Contains(err.Error(), "the server doesn't have a resource type \"invalidresource\"")).Should(gomega.BeTrue())
+		})
+	})
+})