Golang api.EncodeOrDie函数代码示例

func TestEtcdDeletePod(t *testing.T) {
	fakeClient := tools.MakeFakeEtcdClient(t)
	fakeClient.TestIndex = true

	key := "/registry/pods/foo"
	fakeClient.Set(key, api.EncodeOrDie(api.Pod{
		JSONBase:     api.JSONBase{ID: "foo"},
		DesiredState: api.PodState{Host: "machine"},
	}), 0)
	fakeClient.Set("/registry/hosts/machine/kubelet", api.EncodeOrDie(&api.ContainerManifestList{
		Items: []api.ContainerManifest{
			{ID: "foo"},
		},
	}), 0)
	registry := MakeTestEtcdRegistry(fakeClient, []string{"machine"})
	err := registry.DeletePod("foo")
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	if len(fakeClient.DeletedKeys) != 1 {
		t.Errorf("Expected 1 delete, found %#v", fakeClient.DeletedKeys)
	} else if fakeClient.DeletedKeys[0] != key {
		t.Errorf("Unexpected key: %s, expected %s", fakeClient.DeletedKeys[0], key)
	}
	response, err := fakeClient.Get("/registry/hosts/machine/kubelet", false, false)
	if err != nil {
		t.Fatalf("Unexpected error %v", err)
	}
	var manifests api.ContainerManifestList
	api.DecodeInto([]byte(response.Node.Value), &manifests)
	if len(manifests.Items) != 0 {
		t.Errorf("Unexpected container set: %s, expected empty", response.Node.Value)
	}
}

func TestEtcdListServices(t *testing.T) {
	fakeClient := tools.MakeFakeEtcdClient(t)
	key := "/registry/services/specs"
	fakeClient.Data[key] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Nodes: []*etcd.Node{
					{
						Value: api.EncodeOrDie(api.Service{JSONBase: api.JSONBase{ID: "foo"}}),
					},
					{
						Value: api.EncodeOrDie(api.Service{JSONBase: api.JSONBase{ID: "bar"}}),
					},
				},
			},
		},
		E: nil,
	}
	registry := MakeTestEtcdRegistry(fakeClient, []string{"machine"})
	services, err := registry.ListServices()
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	if len(services.Items) != 2 || services.Items[0].ID != "foo" || services.Items[1].ID != "bar" {
		t.Errorf("Unexpected pod list: %#v", services)
	}
}

func TestEtcdListControllers(t *testing.T) {
	fakeClient := tools.MakeFakeEtcdClient(t)
	key := "/registry/controllers"
	fakeClient.Data[key] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Nodes: []*etcd.Node{
					{
						Value: api.EncodeOrDie(api.ReplicationController{JSONBase: api.JSONBase{ID: "foo"}}),
					},
					{
						Value: api.EncodeOrDie(api.ReplicationController{JSONBase: api.JSONBase{ID: "bar"}}),
					},
				},
			},
		},
		E: nil,
	}
	registry := MakeTestEtcdRegistry(fakeClient, []string{"machine"})
	controllers, err := registry.ListControllers()
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	if len(controllers) != 2 || controllers[0].ID != "foo" || controllers[1].ID != "bar" {
		t.Errorf("Unexpected controller list: %#v", controllers)
	}
}

func TestWatchListFromZeroIndex(t *testing.T) {
	pod := &api.Pod{JSONBase: api.JSONBase{ID: "foo"}}

	fakeClient := NewFakeEtcdClient(t)
	fakeClient.Data["/some/key"] = EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Dir: true,
				Nodes: etcd.Nodes{
					&etcd.Node{
						Value:         api.EncodeOrDie(pod),
						CreatedIndex:  1,
						ModifiedIndex: 1,
						Nodes:         etcd.Nodes{},
					},
					&etcd.Node{
						Value:         api.EncodeOrDie(pod),
						CreatedIndex:  2,
						ModifiedIndex: 2,
						Nodes:         etcd.Nodes{},
					},
				},
			},
			Action:    "get",
			EtcdIndex: 3,
		},
	}
	h := EtcdHelper{fakeClient, codec, versioner}

	watching, err := h.WatchList("/some/key", 0, Everything)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	// the existing node is detected and the index set
	event, open := <-watching.ResultChan()
	if !open {
		t.Fatalf("unexpected channel close")
	}
	for i := 0; i < 2; i++ {
		if e, a := watch.Added, event.Type; e != a {
			t.Errorf("Expected %v, got %v", e, a)
		}
		actualPod, ok := event.Object.(*api.Pod)
		if !ok {
			t.Fatalf("expected a pod, got %#v", event.Object)
		}
		if actualPod.ResourceVersion != 1 {
			t.Errorf("Expected pod with resource version %d, Got %#v", 1, actualPod)
		}
		pod.ResourceVersion = 1
		if e, a := pod, event.Object; !reflect.DeepEqual(e, a) {
			t.Errorf("Expected %v, got %v", e, a)
		}
	}

	fakeClient.WaitForWatchCompletion()
	watching.Stop()
}

func TestGetEtcd(t *testing.T) {
	fakeClient := tools.MakeFakeEtcdClient(t)
	ch := make(chan interface{}, 1)
	manifest := api.ContainerManifest{ID: "foo", Version: "v1beta1", Containers: []api.Container{{Name: "1", Image: "foo"}}}
	fakeClient.Data["/registry/hosts/machine/kubelet"] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Value: api.EncodeOrDie(&api.ContainerManifestList{
					Items: []api.ContainerManifest{manifest},
				}),
				ModifiedIndex: 1,
			},
		},
		E: nil,
	}
	c := SourceEtcd{"/registry/hosts/machine/kubelet", fakeClient, ch, time.Millisecond}
	lastIndex, err := c.fetchNextState(0)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
	if lastIndex != 2 {
		t.Errorf("Expected %#v, Got %#v", 2, lastIndex)
	}
	update := (<-ch).(kubelet.PodUpdate)
	expected := CreatePodUpdate(kubelet.SET, kubelet.Pod{Name: "foo", Manifest: manifest})
	if !reflect.DeepEqual(expected, update) {
		t.Errorf("Expected %#v, Got %#v", expected, update)
	}
	for i := range update.Pods {
		if errs := kubelet.ValidatePod(&update.Pods[i]); len(errs) != 0 {
			t.Errorf("Expected no validation errors on %#v, Got %#v", update.Pods[i], errs)
		}
	}
}

func TestWatchEtcd(t *testing.T) {
	fakeClient := tools.NewFakeEtcdClient(t)
	ch := make(chan interface{}, 1)
	fakeClient.Data["/registry/hosts/machine/kubelet"] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Value:         api.EncodeOrDie(&api.ContainerManifestList{}),
				ModifiedIndex: 2,
			},
		},
		E: nil,
	}
	c := SourceEtcd{"/registry/hosts/machine/kubelet", fakeClient, ch, time.Millisecond, time.Minute}
	lastIndex, err := c.fetchNextState(1)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
	if lastIndex != 3 {
		t.Errorf("Expected %d, Got %d", 3, lastIndex)
	}
	update := (<-ch).(kubelet.PodUpdate)
	expected := CreatePodUpdate(kubelet.SET)
	if !reflect.DeepEqual(expected, update) {
		t.Errorf("Expected %#v, Got %#v", expected, update)
	}
}

func TestEtcdUpdateService(t *testing.T) {
	fakeClient := tools.MakeFakeEtcdClient(t)
	fakeClient.TestIndex = true

	resp, _ := fakeClient.Set("/registry/services/specs/foo", api.EncodeOrDie(api.Service{JSONBase: api.JSONBase{ID: "foo"}}), 0)
	registry := MakeTestEtcdRegistry(fakeClient, []string{"machine"})
	testService := api.Service{
		JSONBase: api.JSONBase{ID: "foo", ResourceVersion: resp.Node.ModifiedIndex},
		Labels: map[string]string{
			"baz": "bar",
		},
		Selector: map[string]string{
			"baz": "bar",
		},
	}
	err := registry.UpdateService(testService)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	svc, err := registry.GetService("foo")
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	// Clear modified indices before the equality test.
	svc.ResourceVersion = 0
	testService.ResourceVersion = 0
	if !reflect.DeepEqual(*svc, testService) {
		t.Errorf("Unexpected service: got\n %#v\n, wanted\n %#v", svc, testService)
	}
}

func TestPollMinions(t *testing.T) {
	table := []struct {
		minions []api.Minion
	}{
		{
			minions: []api.Minion{
				{JSONBase: api.JSONBase{ID: "foo"}},
				{JSONBase: api.JSONBase{ID: "bar"}},
			},
		},
	}

	for _, item := range table {
		ml := &api.MinionList{Items: item.minions}
		handler := util.FakeHandler{
			StatusCode:   200,
			ResponseBody: api.EncodeOrDie(ml),
			T:            t,
		}
		server := httptest.NewServer(&handler)
		cf := ConfigFactory{client.New(server.URL, nil)}

		ce, err := cf.pollMinions()
		if err != nil {
			t.Errorf("Unexpected error: %v", err)
			continue
		}
		handler.ValidateRequest(t, "/api/v1beta1/minions", "GET", nil)

		if e, a := len(item.minions), ce.Len(); e != a {
			t.Errorf("Expected %v, got %v", e, a)
		}
	}
}

func TestEtcdUpdateEndpoints(t *testing.T) {
	fakeClient := tools.MakeFakeEtcdClient(t)
	fakeClient.TestIndex = true
	registry := MakeTestEtcdRegistry(fakeClient, []string{"machine"})
	endpoints := api.Endpoints{
		JSONBase:  api.JSONBase{ID: "foo"},
		Endpoints: []string{"baz", "bar"},
	}

	fakeClient.Set("/registry/services/endpoints/foo", api.EncodeOrDie(api.Endpoints{}), 0)

	err := registry.UpdateEndpoints(endpoints)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	response, err := fakeClient.Get("/registry/services/endpoints/foo", false, false)
	if err != nil {
		t.Fatalf("Unexpected error %v", err)
	}
	var endpointsOut api.Endpoints
	err = api.DecodeInto([]byte(response.Node.Value), &endpointsOut)
	if !reflect.DeepEqual(endpoints, endpointsOut) {
		t.Errorf("Unexpected endpoints: %#v, expected %#v", endpointsOut, endpoints)
	}
}

func TestDefaultErrorFunc(t *testing.T) {
	testPod := &api.Pod{JSONBase: api.JSONBase{ID: "foo"}}
	handler := util.FakeHandler{
		StatusCode:   200,
		ResponseBody: api.EncodeOrDie(testPod),
		T:            t,
	}
	mux := http.NewServeMux()
	// FakeHandler musn't be sent requests other than the one you want to test.
	mux.Handle("/api/v1beta1/pods/foo", &handler)
	server := httptest.NewServer(mux)
	factory := ConfigFactory{client.NewOrDie(server.URL, nil)}
	queue := cache.NewFIFO()
	errFunc := factory.makeDefaultErrorFunc(queue)

	errFunc(testPod, nil)
	for {
		// This is a terrible way to do this but I plan on replacing this
		// whole error handling system in the future. The test will time
		// out if something doesn't work.
		time.Sleep(10 * time.Millisecond)
		got, exists := queue.Get("foo")
		if !exists {
			continue
		}
		handler.ValidateRequest(t, "/api/v1beta1/pods/foo", "GET", nil)
		if e, a := testPod, got; !reflect.DeepEqual(e, a) {
			t.Errorf("Expected %v, got %v", e, a)
		}
		break
	}
}

func TestEtcdDeletePodMultipleContainers(t *testing.T) {
	fakeClient := tools.MakeFakeEtcdClient(t)
	key := "/registry/hosts/machine/pods/foo"
	fakeClient.Set(key, util.MakeJSONString(api.Pod{JSONBase: api.JSONBase{ID: "foo"}}), 0)
	fakeClient.Set("/registry/hosts/machine/kubelet", api.EncodeOrDie(&api.ContainerManifestList{
		Items: []api.ContainerManifest{
			{ID: "foo"},
			{ID: "bar"},
		},
	}), 0)
	registry := MakeTestEtcdRegistry(fakeClient, []string{"machine"})
	err := registry.DeletePod("foo")
	expectNoError(t, err)
	if len(fakeClient.DeletedKeys) != 1 {
		t.Errorf("Expected 1 delete, found %#v", fakeClient.DeletedKeys)
	}
	if fakeClient.DeletedKeys[0] != key {
		t.Errorf("Unexpected key: %s, expected %s", fakeClient.DeletedKeys[0], key)
	}
	response, err := fakeClient.Get("/registry/hosts/machine/kubelet", false, false)
	if err != nil {
		t.Fatalf("Unexpected error %v", err)
	}
	var manifests api.ContainerManifestList
	api.DecodeInto([]byte(response.Node.Value), &manifests)
	if len(manifests.Items) != 1 {
		t.Fatalf("Unexpected manifest set: %#v, expected empty", manifests)
	}
	if manifests.Items[0].ID != "bar" {
		t.Errorf("Deleted wrong manifest: %#v", manifests)
	}
}

func TestBind(t *testing.T) {
	table := []struct {
		binding *api.Binding
	}{
		{binding: &api.Binding{PodID: "foo", Host: "foohost.kubernetes.mydomain.com"}},
	}

	for _, item := range table {
		handler := util.FakeHandler{
			StatusCode:   200,
			ResponseBody: "",
			T:            t,
		}
		server := httptest.NewServer(&handler)
		client := client.NewOrDie(server.URL, nil)
		b := binder{client}

		if err := b.Bind(item.binding); err != nil {
			t.Errorf("Unexpected error: %v", err)
			continue
		}
		expectedBody := api.EncodeOrDie(item.binding)
		handler.ValidateRequest(t, "/api/v1beta1/bindings", "POST", &expectedBody)
	}
}

func TestSetObjWithVersion(t *testing.T) {
	obj := api.Pod{JSONBase: api.JSONBase{ID: "foo", ResourceVersion: 1}}
	fakeClient := NewFakeEtcdClient(t)
	fakeClient.TestIndex = true
	fakeClient.Data["/some/key"] = EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Value:         api.EncodeOrDie(obj),
				ModifiedIndex: 1,
			},
		},
	}

	helper := EtcdHelper{fakeClient, codec, versioner}
	err := helper.SetObj("/some/key", obj)
	if err != nil {
		t.Fatalf("Unexpected error %#v", err)
	}
	data, err := codec.Encode(obj)
	if err != nil {
		t.Fatalf("Unexpected error %#v", err)
	}
	expect := string(data)
	got := fakeClient.Data["/some/key"].R.Node.Value
	if expect != got {
		t.Errorf("Wanted %v, got %v", expect, got)
	}
}

func TestGetEtcdData(t *testing.T) {
	fakeClient := tools.MakeFakeEtcdClient(t)
	ch := make(chan interface{})
	fakeClient.Data["/registry/hosts/machine/kubelet"] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Value: api.EncodeOrDie(&api.ContainerManifestList{
					Items: []api.ContainerManifest{{ID: "foo"}},
				}),
				ModifiedIndex: 1,
			},
		},
		E: nil,
	}
	NewSourceEtcd("/registry/hosts/machine/kubelet", fakeClient, time.Millisecond, ch)

	//TODO: update FakeEtcdClient.Watch to handle receiver=nil with a given index
	//returns an infinite stream of updates
	for i := 0; i < 2; i++ {
		update := (<-ch).(kubelet.PodUpdate)
		expected := CreatePodUpdate(kubelet.SET, kubelet.Pod{Name: "foo", Manifest: api.ContainerManifest{ID: "foo"}})
		if !reflect.DeepEqual(expected, update) {
			t.Errorf("Expected %#v, Got %#v", expected, update)
		}
	}
}

func TestGetEtcd(t *testing.T) {
	fakeClient := tools.MakeFakeEtcdClient(t)
	ch := make(chan interface{}, 1)
	fakeClient.Data["/registry/hosts/machine/kubelet"] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Value: api.EncodeOrDie(&api.ContainerManifestList{
					Items: []api.ContainerManifest{{ID: "foo"}},
				}),
				ModifiedIndex: 1,
			},
		},
		E: nil,
	}
	c := SourceEtcd{"/registry/hosts/machine/kubelet", fakeClient, ch, time.Millisecond}
	lastIndex, err := c.fetchNextState(0)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
	if lastIndex != 2 {
		t.Errorf("Expected %#v, Got %#v", 2, lastIndex)
	}
	update := (<-ch).(kubelet.PodUpdate)
	expected := CreatePodUpdate(kubelet.SET, kubelet.Pod{Name: "foo", Manifest: api.ContainerManifest{ID: "foo"}})
	if !reflect.DeepEqual(expected, update) {
		t.Errorf("Expected %#v, Got %#v", expected, update)
	}
}