Add unit test for get pod -o wide

pkg/printers/internalversion/printers_test.go

@@ -1673,6 +1673,65 @@ func TestPrintPod(t *testing.T) {
 	}
 }
 
+func TestPrintPodwide(t *testing.T) {
+	tests := []struct {
+		pod    api.Pod
+		expect []metav1alpha1.TableRow
+	}{
+		{
+			// Test when the NodeName and PodIP are not none
+			api.Pod{
+				ObjectMeta: metav1.ObjectMeta{Name: "test1"},
+				Spec: api.PodSpec{
+					Containers: make([]api.Container, 2),
+					NodeName:   "test1",
+				},
+				Status: api.PodStatus{
+					Phase: "podPhase",
+					PodIP: "1.1.1.1",
+					ContainerStatuses: []api.ContainerStatus{
+						{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
+						{RestartCount: 3},
+					},
+				},
+			},
+			[]metav1alpha1.TableRow{{Cells: []interface{}{"test1", "1/2", "podPhase", 6, "<unknown>", "1.1.1.1", "test1"}}},
+		},
+		{
+			// Test when the NodeName and PodIP are none
+			api.Pod{
+				ObjectMeta: metav1.ObjectMeta{Name: "test2"},
+				Spec: api.PodSpec{
+					Containers: make([]api.Container, 2),
+					NodeName:   "",
+				},
+				Status: api.PodStatus{
+					Phase: "podPhase",
+					PodIP: "",
+					ContainerStatuses: []api.ContainerStatus{
+						{Ready: true, RestartCount: 3, State: api.ContainerState{Running: &api.ContainerStateRunning{}}},
+						{State: api.ContainerState{Waiting: &api.ContainerStateWaiting{Reason: "ContainerWaitingReason"}}, RestartCount: 3},
+					},
+				},
+			},
+			[]metav1alpha1.TableRow{{Cells: []interface{}{"test2", "1/2", "ContainerWaitingReason", 6, "<unknown>", "<none>", "<none>"}}},
+		},
+	}
+
+	for i, test := range tests {
+		rows, err := printPod(&test.pod, printers.PrintOptions{Wide: true})
+		if err != nil {
+			t.Fatal(err)
+		}
+		for i := range rows {
+			rows[i].Object.Object = nil
+		}
+		if !reflect.DeepEqual(test.expect, rows) {
+			t.Errorf("%d mismatch: %s", i, diff.ObjectReflectDiff(test.expect, rows))
+		}
+	}
+}
+
 func TestPrintPodList(t *testing.T) {
 	tests := []struct {
 		pods   api.PodList