Golang etcdtest.AddPrefix函数代码示例

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本文整理汇总了Golang中vulcan/kubernetes/pkg/tools/etcdtest.AddPrefix函数的典型用法代码示例。如果您正苦于以下问题：Golang AddPrefix函数的具体用法？Golang AddPrefix怎么用？Golang AddPrefix使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了AddPrefix函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: TestGetNotFoundErr

func TestGetNotFoundErr(t *testing.T) {
	server := NewEtcdTestClientServer(t)
	defer server.Terminate(t)
	key := etcdtest.AddPrefix("/some/key")
	boguskey := etcdtest.AddPrefix("/some/boguskey")
	helper := newEtcdHelper(server.client, testapi.Default.Codec(), key)

	var got api.Pod
	err := helper.Get(context.TODO(), boguskey, &got, false)
	if !IsEtcdNotFound(err) {
		t.Errorf("Unexpected reponse on key=%v, err=%v", key, err)
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:13，代码来源:etcd_helper_test.go

示例2: TestEtcdCreateWithExistingContainers

func TestEtcdCreateWithExistingContainers(t *testing.T) {
	storage, bindingStorage, _, fakeClient := newStorage(t)
	ctx := api.NewDefaultContext()
	fakeClient.TestIndex = true
	key, _ := storage.KeyFunc(ctx, "foo")
	key = etcdtest.AddPrefix(key)
	fakeClient.ExpectNotFoundGet(key)
	_, err := storage.Create(ctx, validNewPod())
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// Suddenly, a wild scheduler appears:
	_, err = bindingStorage.Create(ctx, &api.Binding{
		ObjectMeta: api.ObjectMeta{Namespace: api.NamespaceDefault, Name: "foo"},
		Target:     api.ObjectReference{Name: "machine"},
	})
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	resp, err := fakeClient.Get(key, false, false)
	if err != nil {
		t.Fatalf("Unexpected error %v", err)
	}
	var pod api.Pod
	err = testapi.Default.Codec().DecodeInto([]byte(resp.Node.Value), &pod)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	if pod.Name != "foo" {
		t.Errorf("Unexpected pod: %#v %s", pod, resp.Node.Value)
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:35，代码来源:etcd_test.go

示例3: TestList

func TestList(t *testing.T) {
	server := NewEtcdTestClientServer(t)
	defer server.Terminate(t)
	key := etcdtest.AddPrefix("/some/key")
	helper := newEtcdHelper(server.client, testapi.Default.Codec(), key)

	list := api.PodList{
		Items: []api.Pod{
			{
				ObjectMeta: api.ObjectMeta{Name: "bar"},
				Spec:       apitesting.DeepEqualSafePodSpec(),
			},
			{
				ObjectMeta: api.ObjectMeta{Name: "baz"},
				Spec:       apitesting.DeepEqualSafePodSpec(),
			},
			{
				ObjectMeta: api.ObjectMeta{Name: "foo"},
				Spec:       apitesting.DeepEqualSafePodSpec(),
			},
		},
	}

	createPodList(t, helper, &list)
	var got api.PodList
	// TODO: a sorted filter function could be applied such implied
	// ordering on the returned list doesn't matter.
	err := helper.List(context.TODO(), key, storage.Everything, &got)
	if err != nil {
		t.Errorf("Unexpected error %v", err)
	}
	if e, a := list.Items, got.Items; !reflect.DeepEqual(e, a) {
		t.Errorf("Expected %#v, got %#v", e, a)
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:35，代码来源:etcd_helper_test.go

示例4: TestEtcdCreateBindingNoPod

// Ensure that when scheduler creates a binding for a pod that has already been deleted
// by the API server, API server returns not-found error.
func TestEtcdCreateBindingNoPod(t *testing.T) {
	storage, bindingStorage, _, fakeClient := newStorage(t)
	ctx := api.NewDefaultContext()
	fakeClient.TestIndex = true

	key, _ := storage.KeyFunc(ctx, "foo")
	key = etcdtest.AddPrefix(key)
	fakeClient.ExpectNotFoundGet(key)
	// Assume that a pod has undergone the following:
	// - Create (apiserver)
	// - Schedule (scheduler)
	// - Delete (apiserver)
	_, err := bindingStorage.Create(ctx, &api.Binding{
		ObjectMeta: api.ObjectMeta{Namespace: api.NamespaceDefault, Name: "foo"},
		Target:     api.ObjectReference{Name: "machine"},
	})
	if err == nil {
		t.Fatalf("Expected not-found-error but got nothing")
	}
	if !errors.IsNotFound(etcderrors.InterpretGetError(err, "Pod", "foo")) {
		t.Fatalf("Unexpected error returned: %#v", err)
	}

	_, err = storage.Get(ctx, "foo")
	if err == nil {
		t.Fatalf("Expected not-found-error but got nothing")
	}
	if !errors.IsNotFound(etcderrors.InterpretGetError(err, "Pod", "foo")) {
		t.Fatalf("Unexpected error: %v", err)
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:33，代码来源:etcd_test.go

示例5: TestGuaranteedUpdateNoChange

func TestGuaranteedUpdateNoChange(t *testing.T) {
	fakeClient := tools.NewFakeEtcdClient(t)
	fakeClient.TestIndex = true
	helper := newEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())
	key := etcdtest.AddPrefix("/some/key")

	// Create a new node.
	fakeClient.ExpectNotFoundGet(key)
	obj := &TestResource{ObjectMeta: api.ObjectMeta{Name: "foo"}, Value: 1}
	err := helper.GuaranteedUpdate("/some/key", &TestResource{}, true, storage.SimpleUpdate(func(in runtime.Object) (runtime.Object, error) {
		return obj, nil
	}))
	if err != nil {
		t.Errorf("Unexpected error %#v", err)
	}

	// Update an existing node with the same data
	callbackCalled := false
	objUpdate := &TestResource{ObjectMeta: api.ObjectMeta{Name: "foo"}, Value: 1}
	err = helper.GuaranteedUpdate("/some/key", &TestResource{}, true, storage.SimpleUpdate(func(in runtime.Object) (runtime.Object, error) {
		fakeClient.Err = errors.New("should not be called")
		callbackCalled = true
		return objUpdate, nil
	}))
	if err != nil {
		t.Fatalf("Unexpected error %#v", err)
	}
	if !callbackCalled {
		t.Errorf("tryUpdate callback should have been called.")
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:31，代码来源:etcd_helper_test.go

示例6: TestStorageError

func TestStorageError(t *testing.T) {
	fakeClient := tools.NewFakeEtcdClient(t)
	prefixedKey := etcdtest.AddPrefix("pods")
	fakeClient.ExpectNotFoundGet(prefixedKey)
	cacher := newTestCacher(fakeClient)
	fakeClient.WaitForWatchCompletion()

	podFoo := makeTestPod("foo")

	// Set up Watch for object "podFoo".
	watcher, err := cacher.Watch(context.TODO(), "pods/ns/foo", 1, storage.Everything)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	fakeClient.WatchResponse <- &etcd.Response{
		Action: "create",
		Node: &etcd.Node{
			Value:         string(runtime.EncodeOrDie(testapi.Default.Codec(), podFoo)),
			CreatedIndex:  1,
			ModifiedIndex: 1,
		},
	}
	_ = <-watcher.ResultChan()

	// Injecting error is simulating error from etcd.
	// This is almost the same what would happen e.g. in case of
	// "error too old" when reconnecting to etcd watch.
	fakeClient.WatchInjectError <- fmt.Errorf("fake error")

	_, ok := <-watcher.ResultChan()
	if ok {
		t.Errorf("unexpected event")
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:35，代码来源:cacher_test.go

示例7: TestWatchFromNotFound

func TestWatchFromNotFound(t *testing.T) {
	fakeClient := tools.NewFakeEtcdClient(t)
	key := "/some/key"
	prefixedKey := etcdtest.AddPrefix(key)
	fakeClient.Data[prefixedKey] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: nil,
		},
		E: &etcd.EtcdError{
			Index:     2,
			ErrorCode: 100,
		},
	}
	h := newEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())

	watching, err := h.Watch(context.TODO(), key, 0, storage.Everything)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	fakeClient.WaitForWatchCompletion()
	if fakeClient.WatchIndex != 3 {
		t.Errorf("Expected client to wait for %d, got %#v", 3, fakeClient)
	}

	watching.Stop()
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:26，代码来源:etcd_watcher_test.go

示例8: TestEtcdDelete

func TestEtcdDelete(t *testing.T) {
	podA := &api.Pod{
		ObjectMeta: api.ObjectMeta{Name: "foo", ResourceVersion: "1"},
		Spec:       api.PodSpec{NodeName: "machine"},
	}

	nodeWithPodA := tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Value:         runtime.EncodeOrDie(testapi.Default.Codec(), podA),
				ModifiedIndex: 1,
				CreatedIndex:  1,
			},
		},
		E: nil,
	}

	emptyNode := tools.EtcdResponseWithError{
		R: &etcd.Response{},
		E: tools.EtcdErrorNotFound,
	}

	testContext := api.WithNamespace(api.NewContext(), "test")

	key := "foo"

	table := map[string]struct {
		existing tools.EtcdResponseWithError
		expect   tools.EtcdResponseWithError
		errOK    func(error) bool
	}{
		"normal": {
			existing: nodeWithPodA,
			expect:   emptyNode,
			errOK:    func(err error) bool { return err == nil },
		},
		"notExisting": {
			existing: emptyNode,
			expect:   emptyNode,
			errOK:    func(err error) bool { return errors.IsNotFound(err) },
		},
	}

	for name, item := range table {
		fakeClient, registry := NewTestGenericEtcdRegistry(t)
		path := etcdtest.AddPrefix("pods/foo")
		fakeClient.Data[path] = item.existing
		obj, err := registry.Delete(testContext, key, nil)
		if !item.errOK(err) {
			t.Errorf("%v: unexpected error: %v (%#v)", name, err, obj)
		}

		if item.expect.E != nil {
			item.expect.E.(*etcd.EtcdError).Index = fakeClient.ChangeIndex
		}
		if e, a := item.expect, fakeClient.Data[path]; !api.Semantic.DeepDerivative(e, a) {
			t.Errorf("%v:\n%s", name, util.ObjectDiff(e, a))
		}
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:60，代码来源:etcd_test.go

示例9: setObjectsForList

func (t *Tester) setObjectsForList(objects []runtime.Object) []runtime.Object {
	result := make([]runtime.Object, len(objects))
	key := etcdtest.AddPrefix(t.storage.KeyRootFunc(t.tester.TestContext()))

	if len(objects) > 0 {
		nodes := make([]*etcd.Node, len(objects))
		for i, obj := range objects {
			codec, _ := getCodec(obj)
			encoded := runtime.EncodeOrDie(codec, obj)
			decoded, _ := codec.Decode([]byte(encoded))
			nodes[i] = &etcd.Node{Value: encoded}
			result[i] = decoded
		}
		t.fakeClient.Data[key] = tools.EtcdResponseWithError{
			R: &etcd.Response{
				Node: &etcd.Node{
					Nodes: nodes,
				},
			},
			E: nil,
		}
	} else {
		t.fakeClient.Data[key] = tools.EtcdResponseWithError{
			R: &etcd.Response{},
			E: t.fakeClient.NewError(tools.EtcdErrorCodeNotFound),
		}
	}
	return result
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:29，代码来源:etcd.go

示例10: getObject

func (t *Tester) getObject(ctx api.Context, obj runtime.Object) (runtime.Object, error) {
	meta, err := api.ObjectMetaFor(obj)
	if err != nil {
		return nil, err
	}
	key, err := t.storage.KeyFunc(ctx, meta.Name)
	if err != nil {
		return nil, err
	}
	key = etcdtest.AddPrefix(key)
	resp, err := t.fakeClient.Get(key, false, false)
	if err != nil {
		return nil, err
	}
	result := t.storage.NewFunc()

	codec, err := getCodec(obj)
	if err != nil {
		return nil, err
	}
	if err := codec.DecodeInto([]byte(resp.Node.Value), result); err != nil {
		return nil, err
	}
	return result, nil
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:25，代码来源:etcd.go

示例11: TestUpdate

func TestUpdate(t *testing.T) {
	storage, fakeClient := newStorage(t)

	ctx := api.WithNamespace(api.NewContext(), "test")
	key := etcdtest.AddPrefix("/controllers/test/foo")
	if _, err := fakeClient.Set(key, runtime.EncodeOrDie(testapi.Default.Codec(), &validController), 0); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	replicas := 12
	update := extensions.Scale{
		ObjectMeta: api.ObjectMeta{Name: "foo", Namespace: "test"},
		Spec: extensions.ScaleSpec{
			Replicas: replicas,
		},
	}

	if _, _, err := storage.Update(ctx, &update); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	response, err := fakeClient.Get(key, false, false)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	var controller api.ReplicationController
	testapi.Extensions.Codec().DecodeInto([]byte(response.Node.Value), &controller)
	if controller.Spec.Replicas != replicas {
		t.Errorf("wrong replicas count expected: %d got: %d", replicas, controller.Spec.Replicas)
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:30，代码来源:etcd_test.go

示例12: TestWatchPurposefulShutdown

func TestWatchPurposefulShutdown(t *testing.T) {
	fakeClient := tools.NewFakeEtcdClient(t)

	h := newEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())
	key := "/some/key"
	prefixedKey := etcdtest.AddPrefix(key)
	fakeClient.ExpectNotFoundGet(prefixedKey)

	// Test purposeful shutdown
	watching, err := h.Watch(context.TODO(), key, 0, storage.Everything)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	fakeClient.WaitForWatchCompletion()
	watching.Stop()

	// Did everything shut down?
	if _, open := <-fakeClient.WatchResponse; open {
		t.Errorf("A stop did not cause a graceful shutdown")
	}
	if _, open := <-watching.ResultChan(); open {
		t.Errorf("An injected error did not cause a graceful shutdown")
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:25，代码来源:etcd_watcher_test.go

示例13: TestScaleUpdate

func TestScaleUpdate(t *testing.T) {
	storage, fakeClient := newStorage(t)

	ctx := api.WithNamespace(api.NewContext(), namespace)
	key := etcdtest.AddPrefix("/deployments/" + namespace + "/" + name)
	if _, err := fakeClient.Set(key, runtime.EncodeOrDie(testapi.Extensions.Codec(), &validDeployment), 0); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	replicas := 12
	update := extensions.Scale{
		ObjectMeta: api.ObjectMeta{Name: name, Namespace: namespace},
		Spec: extensions.ScaleSpec{
			Replicas: replicas,
		},
	}

	if _, _, err := storage.Scale.Update(ctx, &update); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	response, err := fakeClient.Get(key, false, false)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	var deployment extensions.Deployment
	testapi.Extensions.Codec().DecodeInto([]byte(response.Node.Value), &deployment)
	if deployment.Spec.Replicas != replicas {
		t.Errorf("wrong replicas count expected: %d got: %d", replicas, deployment.Spec.Replicas)
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:30，代码来源:etcd_test.go

示例14: TestSetWithoutResourceVersioner

func TestSetWithoutResourceVersioner(t *testing.T) {
	obj := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
	fakeClient := tools.NewFakeEtcdClient(t)
	helper := newEtcdHelper(fakeClient, testapi.Default.Codec(), etcdtest.PathPrefix())
	helper.versioner = nil
	returnedObj := &api.Pod{}
	err := helper.Set("/some/key", obj, returnedObj, 3)
	key := etcdtest.AddPrefix("/some/key")
	if err != nil {
		t.Errorf("Unexpected error %#v", err)
	}
	data, err := testapi.Default.Codec().Encode(obj)
	if err != nil {
		t.Errorf("Unexpected error %#v", err)
	}
	expect := string(data)
	got := fakeClient.Data[key].R.Node.Value
	if expect != got {
		t.Errorf("Wanted %v, got %v", expect, got)
	}
	if e, a := uint64(3), fakeClient.LastSetTTL; e != a {
		t.Errorf("Wanted %v, got %v", e, a)
	}
	if obj.ResourceVersion != returnedObj.ResourceVersion || obj.Name != returnedObj.Name {
		t.Errorf("If set was successful but returned object did not have correct resource version")
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:27，代码来源:etcd_helper_test.go

示例15: TestGuaranteedUpdateKeyNotFound

func TestGuaranteedUpdateKeyNotFound(t *testing.T) {
	fakeClient := tools.NewFakeEtcdClient(t)
	fakeClient.TestIndex = true
	helper := newEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())
	key := etcdtest.AddPrefix("/some/key")

	// Create a new node.
	fakeClient.ExpectNotFoundGet(key)
	obj := &TestResource{ObjectMeta: api.ObjectMeta{Name: "foo"}, Value: 1}

	f := storage.SimpleUpdate(func(in runtime.Object) (runtime.Object, error) {
		return obj, nil
	})

	ignoreNotFound := false
	err := helper.GuaranteedUpdate("/some/key", &TestResource{}, ignoreNotFound, f)
	if err == nil {
		t.Errorf("Expected error for key not found.")
	}

	ignoreNotFound = true
	err = helper.GuaranteedUpdate("/some/key", &TestResource{}, ignoreNotFound, f)
	if err != nil {
		t.Errorf("Unexpected error %v.", err)
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:26，代码来源:etcd_helper_test.go

示例16: TestGuaranteedUpdateKeyNotFound

func TestGuaranteedUpdateKeyNotFound(t *testing.T) {
	server := NewEtcdTestClientServer(t)
	defer server.Terminate(t)
	key := etcdtest.AddPrefix("/some/key")
	helper := newEtcdHelper(server.client, codec, key)

	// Create a new node.
	obj := &storagetesting.TestResource{ObjectMeta: api.ObjectMeta{Name: "foo"}, Value: 1}

	f := storage.SimpleUpdate(func(in runtime.Object) (runtime.Object, error) {
		return obj, nil
	})

	ignoreNotFound := false
	err := helper.GuaranteedUpdate(context.TODO(), key, &storagetesting.TestResource{}, ignoreNotFound, f)
	if err == nil {
		t.Errorf("Expected error for key not found.")
	}

	ignoreNotFound = true
	err = helper.GuaranteedUpdate(context.TODO(), key, &storagetesting.TestResource{}, ignoreNotFound, f)
	if err != nil {
		t.Errorf("Unexpected error %v.", err)
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:25，代码来源:etcd_helper_test.go

示例17: TestGuaranteedUpdateNoChange

func TestGuaranteedUpdateNoChange(t *testing.T) {
	server := NewEtcdTestClientServer(t)
	defer server.Terminate(t)
	key := etcdtest.AddPrefix("/some/key")
	helper := newEtcdHelper(server.client, codec, key)

	obj := &storagetesting.TestResource{ObjectMeta: api.ObjectMeta{Name: "foo"}, Value: 1}
	err := helper.GuaranteedUpdate(context.TODO(), key, &storagetesting.TestResource{}, true, storage.SimpleUpdate(func(in runtime.Object) (runtime.Object, error) {
		return obj, nil
	}))
	if err != nil {
		t.Errorf("Unexpected error %#v", err)
	}

	// Update an existing node with the same data
	callbackCalled := false
	objUpdate := &storagetesting.TestResource{ObjectMeta: api.ObjectMeta{Name: "foo"}, Value: 1}
	err = helper.GuaranteedUpdate(context.TODO(), key, &storagetesting.TestResource{}, true, storage.SimpleUpdate(func(in runtime.Object) (runtime.Object, error) {
		callbackCalled = true
		return objUpdate, nil
	}))
	if err != nil {
		t.Fatalf("Unexpected error %#v", err)
	}
	if !callbackCalled {
		t.Errorf("tryUpdate callback should have been called.")
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:28，代码来源:etcd_helper_test.go

示例18: TestListAcrossDirectories

// TestListAcrossDirectories ensures that the client excludes directories and flattens tree-response - simulates cross-namespace query
func TestListAcrossDirectories(t *testing.T) {
	server := NewEtcdTestClientServer(t)
	defer server.Terminate(t)
	rootkey := etcdtest.AddPrefix("/some/key")
	key1 := etcdtest.AddPrefix("/some/key/directory1")
	key2 := etcdtest.AddPrefix("/some/key/directory2")

	roothelper := newEtcdHelper(server.client, testapi.Default.Codec(), rootkey)
	helper1 := newEtcdHelper(server.client, testapi.Default.Codec(), key1)
	helper2 := newEtcdHelper(server.client, testapi.Default.Codec(), key2)

	list := api.PodList{
		Items: []api.Pod{
			{
				ObjectMeta: api.ObjectMeta{Name: "baz"},
				Spec:       apitesting.DeepEqualSafePodSpec(),
			},
			{
				ObjectMeta: api.ObjectMeta{Name: "foo"},
				Spec:       apitesting.DeepEqualSafePodSpec(),
			},
			{
				ObjectMeta: api.ObjectMeta{Name: "bar"},
				Spec:       apitesting.DeepEqualSafePodSpec(),
			},
		},
	}

	returnedObj := &api.Pod{}
	// create the 1st 2 elements in one directory
	createObj(t, helper1, list.Items[0].Name, &list.Items[0], returnedObj, 0)
	list.Items[0] = *returnedObj
	createObj(t, helper1, list.Items[1].Name, &list.Items[1], returnedObj, 0)
	list.Items[1] = *returnedObj
	// create the last element in the other directory
	createObj(t, helper2, list.Items[2].Name, &list.Items[2], returnedObj, 0)
	list.Items[2] = *returnedObj

	var got api.PodList
	err := roothelper.List(context.TODO(), rootkey, storage.Everything, &got)
	if err != nil {
		t.Errorf("Unexpected error %v", err)
	}
	if e, a := list.Items, got.Items; !reflect.DeepEqual(e, a) {
		t.Errorf("Expected %#v, got %#v", e, a)
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:48，代码来源:etcd_helper_test.go

示例19: TestWatch

func TestWatch(t *testing.T) {
	codec := testapi.Default.Codec()
	fakeClient := tools.NewFakeEtcdClient(t)
	key := "/some/key"
	prefixedKey := etcdtest.AddPrefix(key)
	fakeClient.ExpectNotFoundGet(prefixedKey)
	h := newEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())

	watching, err := h.Watch(context.TODO(), key, 0, storage.Everything)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	fakeClient.WaitForWatchCompletion()
	// when server returns not found, the watch index starts at the next value (1)
	if fakeClient.WatchIndex != 1 {
		t.Errorf("Expected client to be at index %d, got %#v", 1, fakeClient)
	}

	// Test normal case
	pod := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
	podBytes, _ := codec.Encode(pod)
	fakeClient.WatchResponse <- &etcd.Response{
		Action: "set",
		Node: &etcd.Node{
			Value: string(podBytes),
		},
	}

	event := <-watching.ResultChan()
	if e, a := watch.Added, event.Type; e != a {
		t.Errorf("Expected %v, got %v", e, a)
	}
	if e, a := pod, event.Object; !api.Semantic.DeepDerivative(e, a) {
		t.Errorf("Expected %v, got %v", e, a)
	}

	// Test error case
	fakeClient.WatchInjectError <- fmt.Errorf("Injected error")

	if errEvent, ok := <-watching.ResultChan(); !ok {
		t.Errorf("no error result?")
	} else {
		if e, a := watch.Error, errEvent.Type; e != a {
			t.Errorf("Expected %v, got %v", e, a)
		}
		if e, a := "Injected error", errEvent.Object.(*unversioned.Status).Message; e != a {
			t.Errorf("Expected %v, got %v", e, a)
		}
	}

	// Did everything shut down?
	if _, open := <-fakeClient.WatchResponse; open {
		t.Errorf("An injected error did not cause a graceful shutdown")
	}
	if _, open := <-watching.ResultChan(); open {
		t.Errorf("An injected error did not cause a graceful shutdown")
	}
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:59，代码来源:etcd_watcher_test.go

示例20: TestGetNotFoundErr

func TestGetNotFoundErr(t *testing.T) {
	fakeClient := tools.NewFakeEtcdClient(t)
	helper := newEtcdHelper(fakeClient, testapi.Default.Codec(), etcdtest.PathPrefix())
	key1 := etcdtest.AddPrefix("/some/key")
	fakeClient.Data[key1] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: nil,
		},
		E: &etcd.EtcdError{
			ErrorCode: 100,
		},
	}
	key2 := etcdtest.AddPrefix("/some/key2")
	fakeClient.Data[key2] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: nil,
		},
	}
	key3 := etcdtest.AddPrefix("/some/key3")
	fakeClient.Data[key3] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Value: "",
			},
		},
	}
	try := func(key string) {
		var got api.Pod
		err := helper.Get(key, &got, false)
		if err == nil {
			t.Errorf("%s: wanted error but didn't get one", key)
		}
		err = helper.Get(key, &got, true)
		if err != nil {
			t.Errorf("%s: didn't want error but got %#v", key, err)
		}
	}

	try("/some/key")
	try("/some/key2")
	try("/some/key3")
}

开发者ID:qinguoan，项目名称:vulcan，代码行数:42，代码来源:etcd_helper_test.go

注：本文中的vulcan/kubernetes/pkg/tools/etcdtest.AddPrefix函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。