Example #1
0
func TestDeleteDirectory(t *testing.T) {
	_, _, rc := testData()

	f, tf, codec, ns := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case strings.HasPrefix(p, "/namespaces/test/replicationcontrollers/") && m == "DELETE":
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &rc.Items[0])}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdDelete(f, buf)
	cmd.Flags().Set("filename", "../../../examples/guestbook/legacy")
	cmd.Flags().Set("cascade", "false")
	cmd.Flags().Set("output", "name")
	cmd.Run(cmd, []string{})

	if buf.String() != "replicationcontroller/frontend\nreplicationcontroller/redis-master\nreplicationcontroller/redis-slave\n" {
		t.Errorf("unexpected output: %s", buf.String())
	}
}
Example #2
0
func TestDeleteNamedObject(t *testing.T) {
	_, _, rc := testData()

	f, tf, codec, ns := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/replicationcontrollers/redis-master-controller" && m == "DELETE":
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &rc.Items[0])}, nil
			default:
				// Ensures no GET is performed when deleting by name
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdDelete(f, buf)
	cmd.Flags().Set("namespace", "test")
	cmd.Flags().Set("cascade", "false")
	cmd.Flags().Set("output", "name")
	cmd.Run(cmd, []string{"replicationcontrollers", "redis-master-controller"})

	if buf.String() != "replicationcontroller/redis-master-controller\n" {
		t.Errorf("unexpected output: %s", buf.String())
	}
}
Example #3
0
func TestTopPodAllInNamespaceMetrics(t *testing.T) {
	initTestErrorHandler(t)
	// TODO(magorzata): refactor to pods/ path after updating heapster version
	metrics := testPodMetricsData()
	testNamespace := "testnamespace"
	nonTestNamespace := "anothernamespace"
	expectedMetrics := metrics_api.PodMetricsList{
		ListMeta: metrics.ListMeta,
		Items:    metrics.Items[0:2],
	}
	for _, m := range expectedMetrics.Items {
		m.Namespace = testNamespace
	}
	nonExpectedMetrics := metrics_api.PodMetricsList{
		ListMeta: metrics.ListMeta,
		Items:    metrics.Items[2:],
	}
	for _, m := range expectedMetrics.Items {
		m.Namespace = nonTestNamespace
	}
	expectedPath := fmt.Sprintf("%s/%s/namespaces/%s/pods", baseMetricsAddress, metricsApiVersion, testNamespace)

	f, tf, _, ns := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == expectedPath && m == "GET":
				body, err := marshallBody(expectedMetrics)
				if err != nil {
					t.Errorf("unexpected error: %v", err)
				}
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: body}, nil
			default:
				t.Fatalf("unexpected request: %#v\nGot URL: %#v\nExpected path: %#v", req, req.URL, expectedPath)
				return nil, nil
			}
		}),
	}
	tf.Namespace = testNamespace
	tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &unversioned.GroupVersion{Version: "v1"}}}
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdTopPod(f, buf)
	cmd.Run(cmd, []string{})

	// Check the presence of pod names in the output.
	result := buf.String()
	for _, m := range expectedMetrics.Items {
		if !strings.Contains(result, m.Name) {
			t.Errorf("missing metrics for %s: \n%s", m.Name, result)
		}
	}
	for _, m := range nonExpectedMetrics.Items {
		if strings.Contains(result, m.Name) {
			t.Errorf("unexpected metrics for %s: \n%s", m.Name, result)
		}
	}
}
Example #4
0
func createFakeInfo(name string, labels map[string]string) *resource.Info {
	pod := createFakePod(name, labels)
	marshaledObj, _ := json.Marshal(pod)

	mapping := &meta.RESTMapping{
		Resource: name,
		Scope:    meta.RESTScopeNamespace,
		GroupVersionKind: unversioned.GroupVersionKind{
			Kind:    "Pod",
			Version: "v1",
		}}

	client := &fake.RESTClient{
		Codec: testapi.Default.Codec(),
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			header := http.Header{}
			header.Set("Content-Type", runtime.ContentTypeJSON)
			return &http.Response{
				StatusCode: 200,
				Header:     header,
				Body:       ioutil.NopCloser(bytes.NewReader(marshaledObj)),
			}, nil
		})}
	info := resource.NewInfo(client, mapping, "default", "nginx", false)

	info.Object = pod

	return info
}
func TestCreateConfigMap(t *testing.T) {
	configMap := &api.ConfigMap{}
	configMap.Name = "my-configmap"
	f, tf, codec, ns := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/configmaps" && m == "POST":
				return &http.Response{StatusCode: 201, Header: defaultHeader(), Body: objBody(codec, configMap)}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})
	cmd := NewCmdCreateConfigMap(f, buf)
	cmd.Flags().Set("output", "name")
	cmd.Run(cmd, []string{configMap.Name})
	expectedOutput := "configmap/" + configMap.Name + "\n"
	if buf.String() != expectedOutput {
		t.Errorf("expected output: %s, but got: %s", buf.String(), expectedOutput)
	}
}
Example #6
0
func TestLabelLocal(t *testing.T) {
	f, tf, _, ns := NewAPIFactory()
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			t.Fatalf("unexpected request: %s %#v\n%#v", req.Method, req.URL, req)
			return nil, nil
		}),
	}
	tf.Namespace = "test"
	tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}}

	buf := bytes.NewBuffer([]byte{})
	cmd := NewCmdLabel(f, buf)
	cmd.Flags().Set("local", "true")
	options := &resource.FilenameOptions{
		Filenames: []string{"../../../examples/storage/cassandra/cassandra-controller.yaml"},
	}

	err := RunLabel(f, buf, cmd, []string{"a=b"}, options)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if !strings.Contains(buf.String(), "labeled") {
		t.Errorf("did not set labels: %s", buf.String())
	}
}
Example #7
0
func TestDeleteObjectIgnoreNotFound(t *testing.T) {
	f, tf, codec := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		Codec: codec,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/replicationcontrollers/redis-master" && m == "DELETE":
				return &http.Response{StatusCode: 404, Header: defaultHeader(), Body: stringBody("")}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdDelete(f, buf)
	cmd.Flags().Set("filename", "../../../examples/guestbook/legacy/redis-master-controller.yaml")
	cmd.Flags().Set("cascade", "false")
	cmd.Flags().Set("ignore-not-found", "true")
	cmd.Flags().Set("output", "name")
	cmd.Run(cmd, []string{})

	if buf.String() != "" {
		t.Errorf("unexpected output: %s", buf.String())
	}
}
Example #8
0
func TestForceReplaceObjectNotFound(t *testing.T) {
	_, _, rc := testData()

	f, tf, codec, _ := NewAPIFactory()
	ns := dynamic.ContentConfig().NegotiatedSerializer
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/replicationcontrollers/redis-master" && m == http.MethodDelete:
				return &http.Response{StatusCode: http.StatusNotFound, Header: defaultHeader(), Body: stringBody("")}, nil
			case p == "/namespaces/test/replicationcontrollers" && m == http.MethodPost:
				return &http.Response{StatusCode: http.StatusCreated, Header: defaultHeader(), Body: objBody(codec, &rc.Items[0])}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdReplace(f, buf)
	cmd.Flags().Set("filename", "../../../examples/guestbook/legacy/redis-master-controller.yaml")
	cmd.Flags().Set("force", "true")
	cmd.Flags().Set("cascade", "false")
	cmd.Flags().Set("output", "name")
	cmd.Run(cmd, []string{})

	if buf.String() != "replicationcontroller/rc1\n" {
		t.Errorf("unexpected output: %s", buf.String())
	}
}
Example #9
0
func TestDeleteObjectNotFound(t *testing.T) {
	f, tf, codec := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		Codec: codec,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/replicationcontrollers/redis-master" && m == "DELETE":
				return &http.Response{StatusCode: 404, Body: stringBody("")}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdDelete(f, buf)
	options := &DeleteOptions{
		Filenames: []string{"../../../examples/guestbook/legacy/redis-master-controller.yaml"},
	}
	cmd.Flags().Set("cascade", "false")
	cmd.Flags().Set("output", "name")
	err := RunDelete(f, buf, cmd, []string{}, options)
	if err == nil || !errors.IsNotFound(err) {
		t.Errorf("unexpected error: expected NotFound, got %v", err)
	}
}
Example #10
0
func TestGetMultipleTypeObjectsAsList(t *testing.T) {
	pods, svc, _ := testData()

	f, tf, codec, ns := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch req.URL.Path {
			case "/namespaces/test/pods":
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, pods)}, nil
			case "/namespaces/test/services":
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, svc)}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &registered.GroupOrDie(api.GroupName).GroupVersion}}
	buf := bytes.NewBuffer([]byte{})
	errBuf := bytes.NewBuffer([]byte{})

	cmd := NewCmdGet(f, buf, errBuf)
	cmd.SetOutput(buf)

	cmd.Flags().Set("output", "json")
	cmd.Run(cmd, []string{"pods,services"})

	if tf.Printer.(*testPrinter).Objects != nil {
		t.Errorf("unexpected print to default printer")
	}

	out, err := runtime.Decode(codec, buf.Bytes())
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	list, err := meta.ExtractList(out)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if errs := runtime.DecodeList(list, codec); len(errs) > 0 {
		t.Fatalf("unexpected error: %v", errs)
	}
	if err := meta.SetList(out, list); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	expected := &api.List{
		Items: []runtime.Object{
			&pods.Items[0],
			&pods.Items[1],
			&svc.Items[0],
		},
	}
	if !reflect.DeepEqual(expected, out) {
		t.Errorf("unexpected output: %#v", out)
	}
}
Example #11
0
func TestDeleteObject(t *testing.T) {
	_, _, rc := testData()

	f, tf, codec := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		Codec: codec,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/replicationcontrollers/redis-master" && m == "DELETE":
				return &http.Response{StatusCode: 200, Body: objBody(codec, &rc.Items[0])}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdDelete(f, buf)
	cmd.Flags().Set("filename", "../../../examples/guestbook/legacy/redis-master-controller.yaml")
	cmd.Flags().Set("cascade", "false")
	cmd.Flags().Set("output", "name")
	cmd.Run(cmd, []string{})

	// uses the name from the file, not the response
	if buf.String() != "replicationcontroller/redis-master\n" {
		t.Errorf("unexpected output: %s", buf.String())
	}
}
Example #12
0
func TestDescribeObject(t *testing.T) {
	_, _, rc := testData()
	f, tf, codec := NewAPIFactory()
	d := &testDescriber{Output: "test output"}
	tf.Describer = d
	tf.Client = &fake.RESTClient{
		Codec: codec,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/replicationcontrollers/redis-master" && m == "GET":
				return &http.Response{StatusCode: 200, Body: objBody(codec, &rc.Items[0])}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdDescribe(f, buf)
	cmd.Flags().Set("filename", "../../../examples/guestbook/legacy/redis-master-controller.yaml")
	cmd.Run(cmd, []string{})

	if d.Name != "redis-master" || d.Namespace != "test" {
		t.Errorf("unexpected describer: %#v", d)
	}

	if buf.String() != fmt.Sprintf("%s\n\n", d.Output) {
		t.Errorf("unexpected output: %s", buf.String())
	}
}
Example #13
0
func TestCreateMultipleObject(t *testing.T) {
	initTestErrorHandler(t)
	_, svc, rc := testData()

	f, tf, codec, _ := cmdtesting.NewAPIFactory()
	ns := dynamic.ContentConfig().NegotiatedSerializer
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/services" && m == http.MethodPost:
				return &http.Response{StatusCode: http.StatusCreated, Header: defaultHeader(), Body: objBody(codec, &svc.Items[0])}, nil
			case p == "/namespaces/test/replicationcontrollers" && m == http.MethodPost:
				return &http.Response{StatusCode: http.StatusCreated, Header: defaultHeader(), Body: objBody(codec, &rc.Items[0])}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdCreate(f, buf)
	cmd.Flags().Set("filename", "../../../examples/guestbook/legacy/redis-master-controller.yaml")
	cmd.Flags().Set("filename", "../../../examples/guestbook/frontend-service.yaml")
	cmd.Flags().Set("output", "name")
	cmd.Run(cmd, []string{})

	// Names should come from the REST response, NOT the files
	if buf.String() != "replicationcontroller/rc1\nservice/baz\n" {
		t.Errorf("unexpected output: %s", buf.String())
	}
}
Example #14
0
func TestCreateSecretDockerRegistry(t *testing.T) {
	secretObject := &api.Secret{}
	secretObject.Name = "my-secret"
	f, tf, codec, ns := cmdtesting.NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/secrets" && m == "POST":
				return &http.Response{StatusCode: 201, Header: defaultHeader(), Body: objBody(codec, secretObject)}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})
	cmd := NewCmdCreateSecretDockerRegistry(f, buf)
	cmd.Flags().Set("docker-username", "test-user")
	cmd.Flags().Set("docker-password", "test-pass")
	cmd.Flags().Set("docker-email", "test-email")
	cmd.Flags().Set("output", "name")
	cmd.Run(cmd, []string{secretObject.Name})
	expectedOutput := "secret/" + secretObject.Name + "\n"
	if buf.String() != expectedOutput {
		t.Errorf("expected output: %s, but got: %s", buf.String(), expectedOutput)
	}
}
Example #15
0
func fakeClientWith(testName string, t *testing.T, data map[string]string) ClientMapper {
	return ClientMapperFunc(func(*meta.RESTMapping) (RESTClient, error) {
		return &fake.RESTClient{
			Codec: testapi.Default.Codec(),
			Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
				p := req.URL.Path
				q := req.URL.RawQuery
				if len(q) != 0 {
					p = p + "?" + q
				}
				body, ok := data[p]
				if !ok {
					t.Fatalf("%s: unexpected request: %s (%s)\n%#v", testName, p, req.URL, req)
				}
				header := http.Header{}
				header.Set("Content-Type", runtime.ContentTypeJSON)
				return &http.Response{
					StatusCode: http.StatusOK,
					Header:     header,
					Body:       stringBody(body),
				}, nil
			}),
		}, nil
	})
}
func TestCreateServiceAccount(t *testing.T) {
	serviceAccountObject := &api.ServiceAccount{}
	serviceAccountObject.Name = "my-service-account"
	f, tf, codec := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		Codec: codec,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/serviceaccounts" && m == "POST":
				return &http.Response{StatusCode: 201, Header: defaultHeader(), Body: objBody(codec, serviceAccountObject)}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})
	cmd := NewCmdCreateServiceAccount(f, buf)
	cmd.Flags().Set("output", "name")
	cmd.Run(cmd, []string{serviceAccountObject.Name})
	expectedOutput := "serviceaccount/" + serviceAccountObject.Name + "\n"
	if buf.String() != expectedOutput {
		t.Errorf("expected output: %s, but got: %s", expectedOutput, buf.String())
	}
}
Example #17
0
func TestPatchObjectFromFile(t *testing.T) {
	_, svc, _ := testData()

	f, tf, codec, ns := cmdtesting.NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/services/frontend" && (m == "PATCH" || m == "GET"):
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &svc.Items[0])}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdPatch(f, buf)
	cmd.Flags().Set("namespace", "test")
	cmd.Flags().Set("patch", `{"spec":{"type":"NodePort"}}`)
	cmd.Flags().Set("output", "name")
	cmd.Flags().Set("filename", "../../../examples/guestbook/frontend-service.yaml")
	cmd.Run(cmd, []string{})

	// uses the name from the file, not the response
	if buf.String() != "frontend\n" {
		t.Errorf("unexpected output: %s", buf.String())
	}
}
Example #18
0
func TestCreateDirectory(t *testing.T) {
	initTestErrorHandler(t)
	_, _, rc := testData()
	rc.Items[0].Name = "name"

	f, tf, codec := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		Codec: codec,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/replicationcontrollers" && m == "POST":
				return &http.Response{StatusCode: 201, Header: defaultHeader(), Body: objBody(codec, &rc.Items[0])}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdCreate(f, buf)
	cmd.Flags().Set("filename", "../../../examples/guestbook/legacy")
	cmd.Flags().Set("output", "name")
	cmd.Run(cmd, []string{})

	if buf.String() != "replicationcontroller/name\nreplicationcontroller/name\nreplicationcontroller/name\n" {
		t.Errorf("unexpected output: %s", buf.String())
	}
}
Example #19
0
func TestDeleteMultipleResourcesWithTheSameName(t *testing.T) {
	_, svc, rc := testData()
	f, tf, codec := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		Codec: codec,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/replicationcontrollers/baz" && m == "DELETE":
				return &http.Response{StatusCode: 200, Body: objBody(codec, &rc.Items[0])}, nil
			case p == "/namespaces/test/replicationcontrollers/foo" && m == "DELETE":
				return &http.Response{StatusCode: 200, Body: objBody(codec, &rc.Items[0])}, nil
			case p == "/namespaces/test/services/baz" && m == "DELETE":
				return &http.Response{StatusCode: 200, Body: objBody(codec, &svc.Items[0])}, nil
			case p == "/namespaces/test/services/foo" && m == "DELETE":
				return &http.Response{StatusCode: 200, Body: objBody(codec, &svc.Items[0])}, nil
			default:
				// Ensures no GET is performed when deleting by name
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})
	cmd := NewCmdDelete(f, buf)
	cmd.Flags().Set("namespace", "test")
	cmd.Flags().Set("cascade", "false")
	cmd.Flags().Set("output", "name")
	cmd.Run(cmd, []string{"replicationcontrollers,services", "baz", "foo"})
	if buf.String() != "replicationcontroller/baz\nreplicationcontroller/foo\nservice/baz\nservice/foo\n" {
		t.Errorf("unexpected output: %s", buf.String())
	}
}
Example #20
0
func TestAnnotateLocal(t *testing.T) {
	f, tf, _, ns := cmdtesting.NewAPIFactory()
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			t.Fatalf("unexpected request: %s %#v\n%#v", req.Method, req.URL, req)
			return nil, nil
		}),
	}
	tf.Namespace = "test"
	tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &registered.GroupOrDie(api.GroupName).GroupVersion}}

	buf := bytes.NewBuffer([]byte{})
	cmd := NewCmdAnnotate(f, buf)
	cmd.Flags().Set("local", "true")
	options := &AnnotateOptions{}
	options.Filenames = []string{"../../../examples/storage/cassandra/cassandra-controller.yaml"}
	args := []string{"a=b"}
	if err := options.Complete(f, buf, cmd, args); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if err := options.Validate(); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if err := options.RunAnnotate(f, cmd); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
}
Example #21
0
func testApplyMultipleObjects(t *testing.T, asList bool) {
	nameRC, currentRC := readAndAnnotateReplicationController(t, filenameRC)
	pathRC := "/namespaces/test/replicationcontrollers/" + nameRC

	nameSVC, currentSVC := readAndAnnotateService(t, filenameSVC)
	pathSVC := "/namespaces/test/services/" + nameSVC

	f, tf, codec := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		Codec: codec,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == pathRC && m == "GET":
				bodyRC := ioutil.NopCloser(bytes.NewReader(currentRC))
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: bodyRC}, nil
			case p == pathRC && m == "PATCH":
				validatePatchApplication(t, req)
				bodyRC := ioutil.NopCloser(bytes.NewReader(currentRC))
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: bodyRC}, nil
			case p == pathSVC && m == "GET":
				bodySVC := ioutil.NopCloser(bytes.NewReader(currentSVC))
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: bodySVC}, nil
			case p == pathSVC && m == "PATCH":
				validatePatchApplication(t, req)
				bodySVC := ioutil.NopCloser(bytes.NewReader(currentSVC))
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: bodySVC}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdApply(f, buf)
	if asList {
		cmd.Flags().Set("filename", filenameRCSVC)
	} else {
		cmd.Flags().Set("filename", filenameRC)
		cmd.Flags().Set("filename", filenameSVC)
	}
	cmd.Flags().Set("output", "name")

	cmd.Run(cmd, []string{})

	// Names should come from the REST response, NOT the files
	expectRC := "replicationcontroller/" + nameRC + "\n"
	expectSVC := "service/" + nameSVC + "\n"
	// Test both possible orders since output is non-deterministic.
	expectOne := expectRC + expectSVC
	expectTwo := expectSVC + expectRC
	if buf.String() != expectOne && buf.String() != expectTwo {
		t.Fatalf("unexpected output: %s\nexpected: %s OR %s", buf.String(), expectOne, expectTwo)
	}
}
Example #22
0
func TestReplaceDirectory(t *testing.T) {
	_, _, rc := testData()

	f, tf, codec, _ := NewAPIFactory()
	ns := dynamic.ContentConfig().NegotiatedSerializer
	tf.Printer = &testPrinter{}
	created := map[string]bool{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/api/v1/namespaces/test" && m == http.MethodGet:
				return &http.Response{StatusCode: http.StatusOK, Header: defaultHeader(), Body: objBody(codec, &api.Namespace{})}, nil
			case strings.HasPrefix(p, "/namespaces/test/replicationcontrollers/") && m == http.MethodPut:
				created[p] = true
				return &http.Response{StatusCode: http.StatusOK, Header: defaultHeader(), Body: objBody(codec, &rc.Items[0])}, nil
			case strings.HasPrefix(p, "/namespaces/test/replicationcontrollers/") && m == http.MethodGet:
				statusCode := http.StatusNotFound
				if created[p] {
					statusCode = http.StatusOK
				}
				return &http.Response{StatusCode: statusCode, Header: defaultHeader(), Body: objBody(codec, &rc.Items[0])}, nil
			case strings.HasPrefix(p, "/namespaces/test/replicationcontrollers/") && m == http.MethodDelete:
				delete(created, p)
				return &http.Response{StatusCode: http.StatusOK, Header: defaultHeader(), Body: objBody(codec, &rc.Items[0])}, nil
			case strings.HasPrefix(p, "/namespaces/test/replicationcontrollers") && m == http.MethodPost:
				return &http.Response{StatusCode: http.StatusCreated, Header: defaultHeader(), Body: objBody(codec, &rc.Items[0])}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdReplace(f, buf)
	cmd.Flags().Set("filename", "../../../examples/guestbook/legacy")
	cmd.Flags().Set("namespace", "test")
	cmd.Flags().Set("output", "name")
	cmd.Run(cmd, []string{})

	if buf.String() != "replicationcontroller/rc1\nreplicationcontroller/rc1\nreplicationcontroller/rc1\n" {
		t.Errorf("unexpected output: %s", buf.String())
	}

	buf.Reset()
	cmd.Flags().Set("force", "true")
	cmd.Flags().Set("cascade", "false")
	cmd.Run(cmd, []string{})

	if buf.String() != "replicationcontroller/frontend\nreplicationcontroller/redis-master\nreplicationcontroller/redis-slave\n"+
		"replicationcontroller/rc1\nreplicationcontroller/rc1\nreplicationcontroller/rc1\n" {
		t.Errorf("unexpected output: %s", buf.String())
	}
}
Example #23
0
func TestRefetchSchemaWhenValidationFails(t *testing.T) {
	schema, err := loadSchemaForTest()
	if err != nil {
		t.Errorf("Error loading schema: %v", err)
		t.FailNow()
	}
	output, err := json.Marshal(schema)
	if err != nil {
		t.Errorf("Error serializing schema: %v", err)
		t.FailNow()
	}
	requests := map[string]int{}

	c := &manualfake.RESTClient{
		NegotiatedSerializer: testapi.Default.NegotiatedSerializer(),
		Client: manualfake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case strings.HasPrefix(p, "/swaggerapi") && m == "GET":
				requests[p] = requests[p] + 1
				return &http.Response{StatusCode: 200, Header: header(), Body: ioutil.NopCloser(bytes.NewBuffer(output))}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	dir := os.TempDir() + "/schemaCache"
	os.RemoveAll(dir)

	fullDir, err := substituteUserHome(dir)
	if err != nil {
		t.Errorf("Error getting fullDir: %v", err)
		t.FailNow()
	}
	cacheFile := path.Join(fullDir, "foo", "bar", schemaFileName)
	err = writeSchemaFile(output, fullDir, cacheFile, "foo", "bar")
	if err != nil {
		t.Errorf("Error building old cache schema: %v", err)
		t.FailNow()
	}

	obj := &extensions.Deployment{}
	data, err := runtime.Encode(testapi.Extensions.Codec(), obj)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
		t.FailNow()
	}

	// Re-get request, should use HTTP and write
	if getSchemaAndValidate(c, data, "foo", "bar", dir, nil); err != nil {
		t.Errorf("unexpected error validating: %v", err)
	}
	if requests["/swaggerapi/foo/bar"] != 1 {
		t.Errorf("expected 1 schema request, saw: %d", requests["/swaggerapi/foo/bar"])
	}
}
Example #24
0
func TestTopPodWithLabelSelectorMetrics(t *testing.T) {
	initTestErrorHandler(t)
	metrics := testPodMetricsData()
	expectedMetrics := metrics_api.PodMetricsList{
		ListMeta: metrics.ListMeta,
		Items:    metrics.Items[0:2],
	}
	nonExpectedMetrics := metrics_api.PodMetricsList{
		ListMeta: metrics.ListMeta,
		Items:    metrics.Items[2:],
	}
	label := "key=value"
	testNamespace := "testnamespace"
	expectedPath := fmt.Sprintf("%s/%s/namespaces/%s/pods", baseMetricsAddress, metricsApiVersion, testNamespace)
	expectedQuery := fmt.Sprintf("labelSelector=%s", url.QueryEscape(label))

	f, tf, _, ns := cmdtesting.NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m, q := req.URL.Path, req.Method, req.URL.RawQuery; {
			case p == expectedPath && m == "GET" && q == expectedQuery:
				body, err := marshallBody(expectedMetrics)
				if err != nil {
					t.Errorf("unexpected error: %v", err)
				}
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: body}, nil
			default:
				t.Fatalf("unexpected request: %#v\nGot URL: %#v\nExpected path: %#v", req, req.URL, expectedPath)
				return nil, nil
			}
		}),
	}
	tf.Namespace = testNamespace
	tf.ClientConfig = defaultClientConfig()
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdTopPod(f, buf)
	cmd.Flags().Set("selector", label)
	cmd.Run(cmd, []string{})

	// Check the presence of pod names in the output.
	result := buf.String()
	for _, m := range expectedMetrics.Items {
		if !strings.Contains(result, m.Name) {
			t.Errorf("missing metrics for %s: \n%s", m.Name, result)
		}
	}
	for _, m := range nonExpectedMetrics.Items {
		if strings.Contains(result, m.Name) {
			t.Errorf("unexpected metrics for %s: \n%s", m.Name, result)
		}
	}
}
Example #25
0
func TestRequiredPodsForNode(t *testing.T) {
	pod1 := kube_api.Pod{
		ObjectMeta: kube_api.ObjectMeta{
			Namespace: "default",
			Name:      "pod1",
			SelfLink:  "pod1",
		},
	}
	// Manifest pod.
	pod2 := kube_api.Pod{
		ObjectMeta: kube_api.ObjectMeta{
			Name:      "pod2",
			Namespace: "kube-system",
			SelfLink:  "pod2",
			Annotations: map[string]string{
				types.ConfigMirrorAnnotationKey: "something",
			},
		},
	}

	header := http.Header{}
	header.Set("Content-Type", runtime.ContentTypeJSON)
	codec := testapi.Default.Codec()
	fakeClient := &fake.RESTClient{
		Codec: codec,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			m := &MyReq{req}
			switch {
			case m.isFor("GET", "/pods"):
				return &http.Response{StatusCode: 200, Header: header,
					Body: objBody(codec, &kube_api.PodList{Items: []kube_api.Pod{pod1, pod2}})}, nil
			default:
				t.Fatalf("unexpected request: %v %#v\n%#v", req.Method, req.URL, req)
				return nil, nil
			}
		}),
	}

	clientconfig := &restclient.Config{
		ContentConfig: restclient.ContentConfig{
			ContentType:  runtime.ContentTypeJSON,
			GroupVersion: testapi.Default.GroupVersion(),
		},
	}

	client := client.NewOrDie(clientconfig)
	client.Client = fakeClient.Client
	client.ExtensionsClient.Client = fakeClient.Client

	pods, err := GetRequiredPodsForNode("node1", client)
	assert.NoError(t, err)
	assert.Equal(t, 1, len(pods))
	assert.Equal(t, "pod2", pods[0].Name)
}
Example #26
0
func TestApplyRetry(t *testing.T) {
	initTestErrorHandler(t)
	nameRC, currentRC := readAndAnnotateReplicationController(t, filenameRC)
	pathRC := "/namespaces/test/replicationcontrollers/" + nameRC

	firstPatch := true
	retry := false
	getCount := 0
	f, tf, codec := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		Codec: codec,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == pathRC && m == "GET":
				getCount++
				bodyRC := ioutil.NopCloser(bytes.NewReader(currentRC))
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: bodyRC}, nil
			case p == pathRC && m == "PATCH":
				if firstPatch {
					firstPatch = false
					statusErr := kubeerr.NewConflict(unversioned.GroupResource{Group: "", Resource: "rc"}, "test-rc", fmt.Errorf("the object has been modified. Please apply at first."))
					bodyBytes, _ := json.Marshal(statusErr)
					bodyErr := ioutil.NopCloser(bytes.NewReader(bodyBytes))
					return &http.Response{StatusCode: http.StatusConflict, Header: defaultHeader(), Body: bodyErr}, nil
				}
				retry = true
				validatePatchApplication(t, req)
				bodyRC := ioutil.NopCloser(bytes.NewReader(currentRC))
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: bodyRC}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdApply(f, buf)
	cmd.Flags().Set("filename", filenameRC)
	cmd.Flags().Set("output", "name")
	cmd.Run(cmd, []string{})

	if !retry || getCount != 2 {
		t.Fatalf("apply didn't retry when get conflict error")
	}

	// uses the name from the file, not the response
	expectRC := "replicationcontroller/" + nameRC + "\n"
	if buf.String() != expectRC {
		t.Fatalf("unexpected output: %s\nexpected: %s", buf.String(), expectRC)
	}
}
Example #27
0
func TestLabelMultipleObjects(t *testing.T) {
	pods, _, _ := testData()
	f, tf, codec, ns := cmdtesting.NewAPIFactory()
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch req.Method {
			case "GET":
				switch req.URL.Path {
				case "/namespaces/test/pods":
					return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, pods)}, nil
				default:
					t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
					return nil, nil
				}
			case "PATCH":
				switch req.URL.Path {
				case "/namespaces/test/pods/foo":
					return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &pods.Items[0])}, nil
				case "/namespaces/test/pods/bar":
					return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &pods.Items[1])}, nil
				default:
					t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
					return nil, nil
				}
			default:
				t.Fatalf("unexpected request: %s %#v\n%#v", req.Method, req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &registered.GroupOrDie(api.GroupName).GroupVersion}}

	buf := bytes.NewBuffer([]byte{})
	cmd := NewCmdLabel(f, buf)
	cmd.Flags().Set("all", "true")

	opts := LabelOptions{}
	err := opts.Complete(f, buf, cmd, []string{"pods", "a=b"})
	if err == nil {
		err = opts.Validate()
	}
	if err == nil {
		err = opts.RunLabel(f, cmd)
	}
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if strings.Count(buf.String(), "labeled") != len(pods.Items) {
		t.Errorf("not all labels are set: %s", buf.String())
	}
}
Example #28
0
func TestCreateQuota(t *testing.T) {
	resourceQuotaObject := &api.ResourceQuota{}
	resourceQuotaObject.Name = "my-quota"
	f, tf, codec, ns := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == "/namespaces/test/resourcequotas" && m == "POST":
				return &http.Response{StatusCode: 201, Header: defaultHeader(), Body: objBody(codec, resourceQuotaObject)}, nil
			default:
				t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"

	tests := map[string]struct {
		flags          map[string]string
		expectedOutput string
	}{
		"single resource": {
			flags:          map[string]string{"hard": "cpu=1", "output": "name"},
			expectedOutput: "resourcequota/" + resourceQuotaObject.Name + "\n",
		},
		"single resource with a scope": {
			flags:          map[string]string{"hard": "cpu=1", "output": "name", "scopes": "BestEffort"},
			expectedOutput: "resourcequota/" + resourceQuotaObject.Name + "\n",
		},
		"multiple resources": {
			flags:          map[string]string{"hard": "cpu=1,pods=42", "output": "name", "scopes": "BestEffort"},
			expectedOutput: "resourcequota/" + resourceQuotaObject.Name + "\n",
		},
		"single resource with multiple scopes": {
			flags:          map[string]string{"hard": "cpu=1", "output": "name", "scopes": "BestEffort,NotTerminating"},
			expectedOutput: "resourcequota/" + resourceQuotaObject.Name + "\n",
		},
	}
	for name, test := range tests {
		buf := bytes.NewBuffer([]byte{})
		cmd := NewCmdCreateQuota(f, buf)
		cmd.Flags().Set("hard", "cpu=1")
		cmd.Flags().Set("output", "name")
		cmd.Run(cmd, []string{resourceQuotaObject.Name})

		if buf.String() != test.expectedOutput {
			t.Errorf("%s: expected output: %s, but got: %s", name, test.expectedOutput, buf.String())
		}
	}
}
Example #29
0
func TestAnnotateMultipleObjects(t *testing.T) {
	pods, _, _ := testData()

	f, tf, codec, ns := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch req.Method {
			case "GET":
				switch req.URL.Path {
				case "/namespaces/test/pods":
					return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, pods)}, nil
				default:
					t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
					return nil, nil
				}
			case "PATCH":
				switch req.URL.Path {
				case "/namespaces/test/pods/foo":
					return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &pods.Items[0])}, nil
				case "/namespaces/test/pods/bar":
					return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, &pods.Items[1])}, nil
				default:
					t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
					return nil, nil
				}
			default:
				t.Fatalf("unexpected request: %s %#v\n%#v", req.Method, req.URL, req)
				return nil, nil
			}
		}),
	}
	tf.Namespace = "test"
	tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}}

	buf := bytes.NewBuffer([]byte{})
	cmd := NewCmdAnnotate(f, buf)
	cmd.SetOutput(buf)
	options := &AnnotateOptions{}
	options.all = true
	args := []string{"pods", "a=b", "c-"}
	if err := options.Complete(f, buf, cmd, args); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if err := options.Validate(args); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if err := options.RunAnnotate(); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
}
Example #30
0
func TestTopPodWithContainersMetrics(t *testing.T) {
	initTestErrorHandler(t)
	metrics := testPodMetricsData()
	expectedMetrics := metrics[0]
	nonExpectedMetrics := metrics[1:]
	testNamespace := "testnamespace"
	expectedMetrics.Namespace = testNamespace
	expectedPath := fmt.Sprintf("%s/%s/namespaces/%s/pods/%s", baseMetricsAddress, metricsApiVersion, testNamespace, expectedMetrics.Name)

	f, tf, _, ns := NewAPIFactory()
	tf.Printer = &testPrinter{}
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case p == expectedPath && m == "GET":
				body, err := marshallBody(expectedMetrics)
				if err != nil {
					t.Errorf("unexpected error: %v", err)
				}
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: body}, nil
			default:
				t.Fatalf("unexpected request: %#v\nGot URL: %#v\nExpected path: %#v", req, req.URL, expectedPath)
				return nil, nil
			}
		}),
	}
	tf.Namespace = testNamespace
	tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &unversioned.GroupVersion{Version: "v1"}}}
	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdTopPod(f, buf)
	cmd.Flags().Set("containers", "true")
	cmd.Run(cmd, []string{expectedMetrics.Name})

	// Check the presence of pod names in the output.
	result := buf.String()
	if !strings.Contains(result, expectedMetrics.Name) {
		t.Errorf("missing metrics for %s: \n%s", expectedMetrics.Name, result)
	}
	for _, m := range expectedMetrics.Containers {
		if !strings.Contains(result, m.Name) {
			t.Errorf("missing metrics for container %s: \n%s", m.Name, result)
		}
	}
	for _, m := range nonExpectedMetrics {
		if strings.Contains(result, m.Name) {
			t.Errorf("unexpected metrics for %s: \n%s", m.Name, result)
		}
	}
}