// NewREST returns a RESTStorage object that will work against secrets.
func NewREST(opts generic.RESTOptions) *REST {
	prefix := "/secrets"

	newListFunc := func() runtime.Object { return &api.SecretList{} }
	storageInterface := opts.Decorator(
		opts.Storage, cachesize.GetWatchCacheSizeByResource(cachesize.Secrets), &api.Secret{}, prefix, secret.Strategy, newListFunc)

	store := &registry.Store{
		NewFunc:     func() runtime.Object { return &api.Secret{} },
		NewListFunc: newListFunc,
		KeyRootFunc: func(ctx api.Context) string {
			return registry.NamespaceKeyRootFunc(ctx, prefix)
		},
		KeyFunc: func(ctx api.Context, id string) (string, error) {
			return registry.NamespaceKeyFunc(ctx, prefix, id)
		},
		ObjectNameFunc: func(obj runtime.Object) (string, error) {
			return obj.(*api.Secret).Name, nil
		},
		PredicateFunc: func(label labels.Selector, field fields.Selector) generic.Matcher {
			return secret.Matcher(label, field)
		},
		QualifiedResource:       api.Resource("secrets"),
		DeleteCollectionWorkers: opts.DeleteCollectionWorkers,

		CreateStrategy: secret.Strategy,
		UpdateStrategy: secret.Strategy,
		DeleteStrategy: secret.Strategy,

		Storage: storageInterface,
	}
	return &REST{store}
}

func TestCheckGeneratedNameError(t *testing.T) {
	expect := errors.NewNotFound(api.Resource("foos"), "bar")
	if err := rest.CheckGeneratedNameError(Strategy, expect, &api.Pod{}); err != expect {
		t.Errorf("NotFoundError should be ignored: %v", err)
	}

	expect = errors.NewAlreadyExists(api.Resource("foos"), "bar")
	if err := rest.CheckGeneratedNameError(Strategy, expect, &api.Pod{}); err != expect {
		t.Errorf("AlreadyExists should be returned when no GenerateName field: %v", err)
	}

	expect = errors.NewAlreadyExists(api.Resource("foos"), "bar")
	if err := rest.CheckGeneratedNameError(Strategy, expect, &api.Pod{ObjectMeta: api.ObjectMeta{GenerateName: "foo"}}); err == nil || !errors.IsServerTimeout(err) {
		t.Errorf("expected try again later error: %v", err)
	}
}

// existingController verifies if the controller already exists
func (r *RollingUpdater) existingController(controller *api.ReplicationController) (*api.ReplicationController, error) {
	// without rc name but generate name, there's no existing rc
	if len(controller.Name) == 0 && len(controller.GenerateName) > 0 {
		return nil, errors.NewNotFound(api.Resource("replicationcontrollers"), controller.Name)
	}
	// controller name is required to get rc back
	return r.c.ReplicationControllers(controller.Namespace).Get(controller.Name)
}

func TestErrorNew(t *testing.T) {
	err := NewAlreadyExists(api.Resource("tests"), "1")
	if !IsAlreadyExists(err) {
		t.Errorf("expected to be %s", unversioned.StatusReasonAlreadyExists)
	}
	if IsConflict(err) {
		t.Errorf("expected to not be %s", unversioned.StatusReasonConflict)
	}
	if IsNotFound(err) {
		t.Errorf(fmt.Sprintf("expected to not be %s", unversioned.StatusReasonNotFound))
	}
	if IsInvalid(err) {
		t.Errorf("expected to not be %s", unversioned.StatusReasonInvalid)
	}
	if IsBadRequest(err) {
		t.Errorf("expected to not be %s", unversioned.StatusReasonBadRequest)
	}
	if IsForbidden(err) {
		t.Errorf("expected to not be %s", unversioned.StatusReasonForbidden)
	}
	if IsServerTimeout(err) {
		t.Errorf("expected to not be %s", unversioned.StatusReasonServerTimeout)
	}
	if IsMethodNotSupported(err) {
		t.Errorf("expected to not be %s", unversioned.StatusReasonMethodNotAllowed)
	}

	if !IsConflict(NewConflict(api.Resource("tests"), "2", errors.New("message"))) {
		t.Errorf("expected to be conflict")
	}
	if !IsNotFound(NewNotFound(api.Resource("tests"), "3")) {
		t.Errorf("expected to be %s", unversioned.StatusReasonNotFound)
	}
	if !IsInvalid(NewInvalid(api.Kind("Test"), "2", nil)) {
		t.Errorf("expected to be %s", unversioned.StatusReasonInvalid)
	}
	if !IsBadRequest(NewBadRequest("reason")) {
		t.Errorf("expected to be %s", unversioned.StatusReasonBadRequest)
	}
	if !IsForbidden(NewForbidden(api.Resource("tests"), "2", errors.New("reason"))) {
		t.Errorf("expected to be %s", unversioned.StatusReasonForbidden)
	}
	if !IsUnauthorized(NewUnauthorized("reason")) {
		t.Errorf("expected to be %s", unversioned.StatusReasonUnauthorized)
	}
	if !IsServerTimeout(NewServerTimeout(api.Resource("tests"), "reason", 0)) {
		t.Errorf("expected to be %s", unversioned.StatusReasonServerTimeout)
	}
	if time, ok := SuggestsClientDelay(NewServerTimeout(api.Resource("tests"), "doing something", 10)); time != 10 || !ok {
		t.Errorf("expected to be %s", unversioned.StatusReasonServerTimeout)
	}
	if time, ok := SuggestsClientDelay(NewTimeoutError("test reason", 10)); time != 10 || !ok {
		t.Errorf("expected to be %s", unversioned.StatusReasonTimeout)
	}
	if !IsMethodNotSupported(NewMethodNotSupported(api.Resource("foos"), "delete")) {
		t.Errorf("expected to be %s", unversioned.StatusReasonMethodNotAllowed)
	}
}

func TestSyncBatchIgnoresNotFound(t *testing.T) {
	client := fake.Clientset{}
	syncer := newTestManager(&client)
	client.AddReactor("get", "pods", func(action core.Action) (bool, runtime.Object, error) {
		return true, nil, errors.NewNotFound(api.Resource("pods"), "test-pod")
	})
	syncer.SetPodStatus(getTestPod(), getRandomPodStatus())
	syncer.testSyncBatch()

	verifyActions(t, syncer.kubeClient, []core.Action{
		core.GetActionImpl{ActionImpl: core.ActionImpl{Verb: "get", Resource: unversioned.GroupVersionResource{Resource: "pods"}}},
	})
}

func (r *NodeRegistry) GetNode(ctx api.Context, nodeID string) (*api.Node, error) {
	r.Lock()
	defer r.Unlock()
	if r.Err != nil {
		return nil, r.Err
	}
	for _, node := range r.Nodes.Items {
		if node.Name == nodeID {
			return &node, nil
		}
	}
	return nil, errors.NewNotFound(api.Resource("nodes"), nodeID)
}

func (tw *baseTimeoutWriter) timeout(msg string) {
	tw.mu.Lock()
	defer tw.mu.Unlock()
	if !tw.wroteHeader && !tw.hijacked {
		tw.w.WriteHeader(http.StatusGatewayTimeout)
		if msg != "" {
			tw.w.Write([]byte(msg))
		} else {
			enc := json.NewEncoder(tw.w)
			enc.Encode(errors.NewServerTimeout(api.Resource(""), "", 0))
		}
	}
	tw.timedOut = true
}

func TestGenericHttpResponseCheckerLimitReader(t *testing.T) {
	responseChecker := NewGenericHttpResponseChecker(api.Resource("pods"), "foo")
	excessedString := strings.Repeat("a", (maxReadLength + 10000))
	resp := &http.Response{
		Body:       ioutil.NopCloser(bytes.NewBufferString(excessedString)),
		StatusCode: http.StatusBadRequest,
	}
	err := responseChecker.Check(resp)
	if err == nil {
		t.Error("unexpected non-error")
	}
	if len(err.Error()) != maxReadLength {
		t.Errorf("expected lenth of error message: %d, saw: %d", maxReadLength, len(err.Error()))
	}
}

func TestGenericHttpResponseChecker(t *testing.T) {
	responseChecker := NewGenericHttpResponseChecker(api.Resource("pods"), "foo")
	tests := []struct {
		resp        *http.Response
		expectError bool
		expected    error
		name        string
	}{
		{
			resp: &http.Response{
				Body:       ioutil.NopCloser(bytes.NewBufferString("Success")),
				StatusCode: http.StatusOK,
			},
			expectError: false,
			name:        "ok",
		},
		{
			resp: &http.Response{
				Body:       ioutil.NopCloser(bytes.NewBufferString("Invalid request.")),
				StatusCode: http.StatusBadRequest,
			},
			expectError: true,
			expected:    errors.NewBadRequest("Invalid request."),
			name:        "bad request",
		},
		{
			resp: &http.Response{
				Body:       ioutil.NopCloser(bytes.NewBufferString("Pod does not exist.")),
				StatusCode: http.StatusInternalServerError,
			},
			expectError: true,
			expected:    errors.NewInternalError(fmt.Errorf("%s", "Pod does not exist.")),
			name:        "internal server error",
		},
	}
	for _, test := range tests {
		err := responseChecker.Check(test.resp)
		if test.expectError && err == nil {
			t.Error("unexpected non-error")
		}
		if !test.expectError && err != nil {
			t.Errorf("unexpected error: %v", err)
		}
		if test.expectError && !reflect.DeepEqual(err, test.expected) {
			t.Errorf("expected: %s, saw: %s", test.expected, err)
		}
	}
}

// NewREST returns a RESTStorage object that will work with ConfigMap objects.
func NewREST(opts generic.RESTOptions) *REST {
	prefix := "/configmaps"

	newListFunc := func() runtime.Object { return &api.ConfigMapList{} }
	storageInterface := opts.Decorator(
		opts.Storage, 100, &api.ConfigMap{}, prefix, configmap.Strategy, newListFunc)

	store := &registry.Store{
		NewFunc: func() runtime.Object {
			return &api.ConfigMap{}
		},

		// NewListFunc returns an object to store results of an etcd list.
		NewListFunc: newListFunc,

		// Produces a path that etcd understands, to the root of the resource
		// by combining the namespace in the context with the given prefix.
		KeyRootFunc: func(ctx api.Context) string {
			return registry.NamespaceKeyRootFunc(ctx, prefix)
		},

		// Produces a path that etcd understands, to the resource by combining
		// the namespace in the context with the given prefix
		KeyFunc: func(ctx api.Context, name string) (string, error) {
			return registry.NamespaceKeyFunc(ctx, prefix, name)
		},

		// Retrieves the name field of a ConfigMap object.
		ObjectNameFunc: func(obj runtime.Object) (string, error) {
			return obj.(*api.ConfigMap).Name, nil
		},

		// Matches objects based on labels/fields for list and watch
		PredicateFunc: configmap.MatchConfigMap,

		QualifiedResource: api.Resource("configmaps"),

		DeleteCollectionWorkers: opts.DeleteCollectionWorkers,

		CreateStrategy: configmap.Strategy,
		UpdateStrategy: configmap.Strategy,
		DeleteStrategy: configmap.Strategy,

		Storage: storageInterface,
	}
	return &REST{store}
}

func (p *testPatcher) Update(ctx api.Context, name string, objInfo rest.UpdatedObjectInfo) (runtime.Object, bool, error) {
	currentPod := p.startingPod
	if p.numUpdates > 0 {
		currentPod = p.updatePod
	}
	p.numUpdates++

	obj, err := objInfo.UpdatedObject(ctx, currentPod)
	if err != nil {
		return nil, false, err
	}
	inPod := obj.(*api.Pod)
	if inPod.ResourceVersion != p.updatePod.ResourceVersion {
		return nil, false, apierrors.NewConflict(api.Resource("pods"), inPod.Name, fmt.Errorf("existing %v, new %v", p.updatePod.ResourceVersion, inPod.ResourceVersion))
	}

	return inPod, false, nil
}

func (m *FakeNodeHandler) Create(node *api.Node) (*api.Node, error) {
	m.createLock.Lock()
	defer func() {
		m.RequestCount++
		m.createLock.Unlock()
	}()
	for _, n := range m.Existing {
		if n.Name == node.Name {
			return nil, apierrors.NewAlreadyExists(api.Resource("nodes"), node.Name)
		}
	}
	if m.CreateHook == nil || m.CreateHook(m, node) {
		nodeCopy := *node
		m.CreatedNodes = append(m.CreatedNodes, &nodeCopy)
		return node, nil
	} else {
		return nil, errors.New("Create error.")
	}
}

// NewREST returns a RESTStorage object that will work against nodes.
func NewStorage(opts generic.RESTOptions, connection client.ConnectionInfoGetter, proxyTransport http.RoundTripper) NodeStorage {
	prefix := "/minions"

	newListFunc := func() runtime.Object { return &api.NodeList{} }
	storageInterface := opts.Decorator(
		opts.Storage, cachesize.GetWatchCacheSizeByResource(cachesize.Nodes), &api.Node{}, prefix, node.Strategy, newListFunc)

	store := &registry.Store{
		NewFunc:     func() runtime.Object { return &api.Node{} },
		NewListFunc: newListFunc,
		KeyRootFunc: func(ctx api.Context) string {
			return prefix
		},
		KeyFunc: func(ctx api.Context, name string) (string, error) {
			return registry.NoNamespaceKeyFunc(ctx, prefix, name)
		},
		ObjectNameFunc: func(obj runtime.Object) (string, error) {
			return obj.(*api.Node).Name, nil
		},
		PredicateFunc:           node.MatchNode,
		QualifiedResource:       api.Resource("nodes"),
		DeleteCollectionWorkers: opts.DeleteCollectionWorkers,

		CreateStrategy: node.Strategy,
		UpdateStrategy: node.Strategy,
		DeleteStrategy: node.Strategy,
		ExportStrategy: node.Strategy,

		Storage: storageInterface,
	}

	statusStore := *store
	statusStore.UpdateStrategy = node.StatusStrategy

	nodeREST := &REST{store, connection, proxyTransport}

	return NodeStorage{
		Node:   nodeREST,
		Status: &StatusREST{store: &statusStore},
		Proxy:  &noderest.ProxyREST{Store: store, Connection: client.ConnectionInfoGetter(nodeREST), ProxyTransport: proxyTransport},
	}
}

// NewREST returns a RESTStorage object that will work against namespaces.
func NewREST(opts generic.RESTOptions) (*REST, *StatusREST, *FinalizeREST) {
	prefix := "/namespaces"

	newListFunc := func() runtime.Object { return &api.NamespaceList{} }
	storageInterface := opts.Decorator(
		opts.Storage, cachesize.GetWatchCacheSizeByResource(cachesize.Namespaces), &api.Namespace{}, prefix, namespace.Strategy, newListFunc)

	store := &registry.Store{
		NewFunc:     func() runtime.Object { return &api.Namespace{} },
		NewListFunc: newListFunc,
		KeyRootFunc: func(ctx api.Context) string {
			return prefix
		},
		KeyFunc: func(ctx api.Context, name string) (string, error) {
			return registry.NoNamespaceKeyFunc(ctx, prefix, name)
		},
		ObjectNameFunc: func(obj runtime.Object) (string, error) {
			return obj.(*api.Namespace).Name, nil
		},
		PredicateFunc: func(label labels.Selector, field fields.Selector) generic.Matcher {
			return namespace.MatchNamespace(label, field)
		},
		QualifiedResource:       api.Resource("namespaces"),
		DeleteCollectionWorkers: opts.DeleteCollectionWorkers,

		CreateStrategy:      namespace.Strategy,
		UpdateStrategy:      namespace.Strategy,
		DeleteStrategy:      namespace.Strategy,
		ReturnDeletedObject: true,

		Storage: storageInterface,
	}

	statusStore := *store
	statusStore.UpdateStrategy = namespace.StatusStrategy

	finalizeStore := *store
	finalizeStore.UpdateStrategy = namespace.FinalizeStrategy

	return &REST{Store: store, status: &statusStore}, &StatusREST{store: &statusStore}, &FinalizeREST{store: &finalizeStore}
}

func TestDeleteAllNotFound(t *testing.T) {
	_, svc, _ := testData()

	f, tf, codec := NewAPIFactory()

	// Add an item to the list which will result in a 404 on delete
	svc.Items = append(svc.Items, api.Service{ObjectMeta: api.ObjectMeta{Name: "foo"}})
	notFoundError := &errors.NewNotFound(api.Resource("services"), "foo").ErrStatus

	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/services" && m == "GET":
				return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, svc)}, nil
			case p == "/namespaces/test/services/foo" && m == "DELETE":
				return &http.Response{StatusCode: 404, Header: defaultHeader(), Body: objBody(codec, notFoundError)}, nil
			case p == "/namespaces/test/services/baz" && m == "DELETE":
				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 := NewCmdDelete(f, buf)
	cmd.Flags().Set("all", "true")
	cmd.Flags().Set("cascade", "false")
	// Make sure we can explicitly choose to fail on NotFound errors, even with --all
	cmd.Flags().Set("ignore-not-found", "false")
	cmd.Flags().Set("output", "name")

	err := RunDelete(f, buf, cmd, []string{"services"}, &DeleteOptions{})
	if err == nil || !errors.IsNotFound(err) {
		t.Errorf("unexpected error: expected NotFound, got %v", err)
	}
}

func NewTestGenericStoreRegistry(t *testing.T) (*etcdtesting.EtcdTestServer, *Store) {
	podPrefix := "/pods"
	server := etcdtesting.NewEtcdTestClientServer(t)
	s := etcdstorage.NewEtcdStorage(server.Client, testapi.Default.StorageCodec(), etcdtest.PathPrefix(), false, etcdtest.DeserializationCacheSize)
	strategy := &testRESTStrategy{api.Scheme, api.SimpleNameGenerator, true, false, true}

	return server, &Store{
		NewFunc:           func() runtime.Object { return &api.Pod{} },
		NewListFunc:       func() runtime.Object { return &api.PodList{} },
		QualifiedResource: api.Resource("pods"),
		CreateStrategy:    strategy,
		UpdateStrategy:    strategy,
		DeleteStrategy:    strategy,
		KeyRootFunc: func(ctx api.Context) string {
			return podPrefix
		},
		KeyFunc: func(ctx api.Context, id string) (string, error) {
			if _, ok := api.NamespaceFrom(ctx); !ok {
				return "", fmt.Errorf("namespace is required")
			}
			return path.Join(podPrefix, id), nil
		},
		ObjectNameFunc: func(obj runtime.Object) (string, error) { return obj.(*api.Pod).Name, nil },
		PredicateFunc: func(label labels.Selector, field fields.Selector) generic.Matcher {
			return &generic.SelectionPredicate{
				Label: label,
				Field: field,
				GetAttrs: func(obj runtime.Object) (labels.Set, fields.Set, error) {
					pod, ok := obj.(*api.Pod)
					if !ok {
						return nil, nil, fmt.Errorf("not a pod")
					}
					return labels.Set(pod.ObjectMeta.Labels), generic.ObjectMetaFieldsSet(pod.ObjectMeta, true), nil
				},
			}
		},
		Storage: s,
	}
}

// NewREST returns a RESTStorage object that will work against events.
func NewREST(opts generic.RESTOptions, ttl uint64) *REST {
	prefix := "/events"

	// We explicitly do NOT do any decoration here - switching on Cacher
	// for events will lead to too high memory consumption.
	storageInterface := opts.Storage

	store := &registry.Store{
		NewFunc:     func() runtime.Object { return &api.Event{} },
		NewListFunc: func() runtime.Object { return &api.EventList{} },
		KeyRootFunc: func(ctx api.Context) string {
			return registry.NamespaceKeyRootFunc(ctx, prefix)
		},
		KeyFunc: func(ctx api.Context, id string) (string, error) {
			return registry.NamespaceKeyFunc(ctx, prefix, id)
		},
		ObjectNameFunc: func(obj runtime.Object) (string, error) {
			return obj.(*api.Event).Name, nil
		},
		PredicateFunc: func(label labels.Selector, field fields.Selector) generic.Matcher {
			return event.MatchEvent(label, field)
		},
		TTLFunc: func(runtime.Object, uint64, bool) (uint64, error) {
			return ttl, nil
		},
		QualifiedResource:       api.Resource("events"),
		DeleteCollectionWorkers: opts.DeleteCollectionWorkers,

		CreateStrategy: event.Strategy,
		UpdateStrategy: event.Strategy,
		DeleteStrategy: event.Strategy,

		Storage: storageInterface,
	}
	return &REST{store}
}

//TODO: Unify with RecoverPanics?
func logStackOnRecover(s runtime.NegotiatedSerializer, panicReason interface{}, w http.ResponseWriter) {
	var buffer bytes.Buffer
	buffer.WriteString(fmt.Sprintf("recover from panic situation: - %v\r\n", panicReason))
	for i := 2; ; i += 1 {
		_, file, line, ok := rt.Caller(i)
		if !ok {
			break
		}
		buffer.WriteString(fmt.Sprintf("    %s:%d\r\n", file, line))
	}
	glog.Errorln(buffer.String())

	headers := http.Header{}
	if ct := w.Header().Get("Content-Type"); len(ct) > 0 {
		headers.Set("Accept", ct)
	}
	errorNegotiated(apierrors.NewGenericServerResponse(http.StatusInternalServerError, "", api.Resource(""), "", "", 0, false), s, unversioned.GroupVersion{}, w, &http.Request{Header: headers})
}

func (r *ProxyHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
	proxyHandlerTraceID := rand.Int63()

	var verb string
	var apiResource string
	var httpCode int
	reqStart := time.Now()
	defer metrics.Monitor(&verb, &apiResource, net.GetHTTPClient(req), w.Header().Get("Content-Type"), httpCode, reqStart)

	requestInfo, err := r.requestInfoResolver.GetRequestInfo(req)
	if err != nil || !requestInfo.IsResourceRequest {
		notFound(w, req)
		httpCode = http.StatusNotFound
		return
	}
	verb = requestInfo.Verb
	namespace, resource, parts := requestInfo.Namespace, requestInfo.Resource, requestInfo.Parts

	ctx, ok := r.context.Get(req)
	if !ok {
		ctx = api.NewContext()
	}
	ctx = api.WithNamespace(ctx, namespace)
	if len(parts) < 2 {
		notFound(w, req)
		httpCode = http.StatusNotFound
		return
	}
	id := parts[1]
	remainder := ""
	if len(parts) > 2 {
		proxyParts := parts[2:]
		remainder = strings.Join(proxyParts, "/")
		if strings.HasSuffix(req.URL.Path, "/") {
			// The original path had a trailing slash, which has been stripped
			// by KindAndNamespace(). We should add it back because some
			// servers (like etcd) require it.
			remainder = remainder + "/"
		}
	}
	storage, ok := r.storage[resource]
	if !ok {
		httplog.LogOf(req, w).Addf("'%v' has no storage object", resource)
		notFound(w, req)
		httpCode = http.StatusNotFound
		return
	}
	apiResource = resource

	gv := unversioned.GroupVersion{Group: requestInfo.APIGroup, Version: requestInfo.APIVersion}

	redirector, ok := storage.(rest.Redirector)
	if !ok {
		httplog.LogOf(req, w).Addf("'%v' is not a redirector", resource)
		httpCode = errorNegotiated(errors.NewMethodNotSupported(api.Resource(resource), "proxy"), r.serializer, gv, w, req)
		return
	}

	location, roundTripper, err := redirector.ResourceLocation(ctx, id)
	if err != nil {
		httplog.LogOf(req, w).Addf("Error getting ResourceLocation: %v", err)
		httpCode = errorNegotiated(err, r.serializer, gv, w, req)
		return
	}
	if location == nil {
		httplog.LogOf(req, w).Addf("ResourceLocation for %v returned nil", id)
		notFound(w, req)
		httpCode = http.StatusNotFound
		return
	}

	if roundTripper != nil {
		glog.V(5).Infof("[%x: %v] using transport %T...", proxyHandlerTraceID, req.URL, roundTripper)
	}

	// Default to http
	if location.Scheme == "" {
		location.Scheme = "http"
	}
	// Add the subpath
	if len(remainder) > 0 {
		location.Path = singleJoiningSlash(location.Path, remainder)
	}
	// Start with anything returned from the storage, and add the original request's parameters
	values := location.Query()
	for k, vs := range req.URL.Query() {
		for _, v := range vs {
			values.Add(k, v)
		}
	}
	location.RawQuery = values.Encode()

	newReq, err := http.NewRequest(req.Method, location.String(), req.Body)
	if err != nil {
		httpCode = errorNegotiated(err, r.serializer, gv, w, req)
		return
	}
	httpCode = http.StatusOK
	newReq.Header = req.Header
	newReq.ContentLength = req.ContentLength
//.........这里部分代码省略.........

func TestSyncBatchNoDeadlock(t *testing.T) {
	client := &fake.Clientset{}
	m := newTestManager(client)
	pod := getTestPod()

	// Setup fake client.
	var ret api.Pod
	var err error
	client.AddReactor("*", "pods", func(action core.Action) (bool, runtime.Object, error) {
		switch action := action.(type) {
		case core.GetAction:
			assert.Equal(t, pod.Name, action.GetName(), "Unexpeted GetAction: %+v", action)
		case core.UpdateAction:
			assert.Equal(t, pod.Name, action.GetObject().(*api.Pod).Name, "Unexpeted UpdateAction: %+v", action)
		default:
			assert.Fail(t, "Unexpected Action: %+v", action)
		}
		return true, &ret, err
	})

	pod.Status.ContainerStatuses = []api.ContainerStatus{{State: api.ContainerState{Running: &api.ContainerStateRunning{}}}}

	getAction := core.GetActionImpl{ActionImpl: core.ActionImpl{Verb: "get", Resource: unversioned.GroupVersionResource{Resource: "pods"}}}
	updateAction := core.UpdateActionImpl{ActionImpl: core.ActionImpl{Verb: "update", Resource: unversioned.GroupVersionResource{Resource: "pods"}, Subresource: "status"}}

	// Pod not found.
	ret = *pod
	err = errors.NewNotFound(api.Resource("pods"), pod.Name)
	m.SetPodStatus(pod, getRandomPodStatus())
	m.testSyncBatch()
	verifyActions(t, client, []core.Action{getAction})
	client.ClearActions()

	// Pod was recreated.
	ret.UID = "other_pod"
	err = nil
	m.SetPodStatus(pod, getRandomPodStatus())
	m.testSyncBatch()
	verifyActions(t, client, []core.Action{getAction})
	client.ClearActions()

	// Pod not deleted (success case).
	ret = *pod
	m.SetPodStatus(pod, getRandomPodStatus())
	m.testSyncBatch()
	verifyActions(t, client, []core.Action{getAction, updateAction})
	client.ClearActions()

	// Pod is terminated, but still running.
	pod.DeletionTimestamp = new(unversioned.Time)
	m.SetPodStatus(pod, getRandomPodStatus())
	m.testSyncBatch()
	verifyActions(t, client, []core.Action{getAction, updateAction})
	client.ClearActions()

	// Pod is terminated successfully.
	pod.Status.ContainerStatuses[0].State.Running = nil
	pod.Status.ContainerStatuses[0].State.Terminated = &api.ContainerStateTerminated{}
	m.SetPodStatus(pod, getRandomPodStatus())
	m.testSyncBatch()
	verifyActions(t, client, []core.Action{getAction, updateAction})
	client.ClearActions()

	// Error case.
	err = fmt.Errorf("intentional test error")
	m.SetPodStatus(pod, getRandomPodStatus())
	m.testSyncBatch()
	verifyActions(t, client, []core.Action{getAction})
	client.ClearActions()
}