Golang api.NewContext函数代码示例

func TestCreateSetsFields(t *testing.T) {
	fakeEtcdClient, etcdStorage := newEtcdStorage(t)
	storage, _, _ := NewStorage(etcdStorage)
	namespace := validNewNamespace()
	_, err := storage.Create(api.NewContext(), namespace)
	if err != fakeEtcdClient.Err {
		t.Fatalf("unexpected error: %v", err)
	}

	actual := &api.Namespace{}
	ctx := api.NewContext()
	key, err := storage.Etcd.KeyFunc(ctx, "foo")
	if err != nil {
		t.Fatalf("unexpected key error: %v", err)
	}
	if err := etcdStorage.Get(key, actual, false); err != nil {
		t.Fatalf("unexpected extraction error: %v", err)
	}
	if actual.Name != namespace.Name {
		t.Errorf("unexpected namespace: %#v", actual)
	}
	if len(actual.UID) == 0 {
		t.Errorf("expected namespace UID to be set: %#v", actual)
	}
	if actual.Status.Phase != api.NamespaceActive {
		t.Errorf("expected namespace phase to be set to active, but %v", actual.Status.Phase)
	}
}

// TestValidNamespace validates that namespace rules are enforced on a resource prior to create or update
func TestValidNamespace(t *testing.T) {
	ctx := api.NewDefaultContext()
	namespace, _ := api.NamespaceFrom(ctx)
	resource := api.ReplicationController{}
	if !api.ValidNamespace(ctx, &resource.ObjectMeta) {
		t.Errorf("expected success")
	}
	if namespace != resource.Namespace {
		t.Errorf("expected resource to have the default namespace assigned during validation")
	}
	resource = api.ReplicationController{ObjectMeta: api.ObjectMeta{Namespace: "other"}}
	if api.ValidNamespace(ctx, &resource.ObjectMeta) {
		t.Errorf("Expected error that resource and context errors do not match because resource has different namespace")
	}
	ctx = api.NewContext()
	if api.ValidNamespace(ctx, &resource.ObjectMeta) {
		t.Errorf("Expected error that resource and context errors do not match since context has no namespace")
	}

	ctx = api.NewContext()
	ns := api.NamespaceValue(ctx)
	if ns != "" {
		t.Errorf("Expected the empty string")
	}
}

func TestListEmptyResourceQuotaList(t *testing.T) {
	fakeEtcdClient, etcdStorage := newEtcdStorage(t)
	fakeEtcdClient.ChangeIndex = 1
	storage, _ := NewStorage(etcdStorage)
	ctx := api.NewContext()
	key := storage.Etcd.KeyRootFunc(ctx)
	key = etcdtest.AddPrefix(key)

	fakeEtcdClient.Data[key] = tools.EtcdResponseWithError{
		R: &etcd.Response{},
		E: fakeEtcdClient.NewError(tools.EtcdErrorCodeNotFound),
	}

	resourcequotas, err := storage.List(api.NewContext(), labels.Everything(), fields.Everything())
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	if len(resourcequotas.(*api.ResourceQuotaList).Items) != 0 {
		t.Errorf("Unexpected non-zero resourcequota list: %#v", resourcequotas)
	}
	if resourcequotas.(*api.ResourceQuotaList).ResourceVersion != "1" {
		t.Errorf("Unexpected resource version: %#v", resourcequotas)
	}
}

func TestDeleteNamespace(t *testing.T) {
	fakeEtcdClient, etcdStorage := newEtcdStorage(t)
	fakeEtcdClient.ChangeIndex = 1
	storage, _, _ := NewStorage(etcdStorage)
	ctx := api.NewContext()
	key, err := storage.Etcd.KeyFunc(ctx, "foo")
	key = etcdtest.AddPrefix(key)
	fakeEtcdClient.Data[key] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Value: runtime.EncodeOrDie(latest.Codec, &api.Namespace{
					ObjectMeta: api.ObjectMeta{
						Name: "foo",
					},
					Status: api.NamespaceStatus{Phase: api.NamespaceActive},
				}),
				ModifiedIndex: 1,
				CreatedIndex:  1,
			},
		},
	}
	_, err = storage.Delete(api.NewContext(), "foo", nil)

	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
}

func TestGet(t *testing.T) {
	expect := validNewNamespace()
	expect.Status.Phase = api.NamespaceActive
	storage, fakeEtcdClient, _ := newStorage(t)
	ctx := api.NewContext()
	key, err := storage.Etcd.KeyFunc(ctx, "foo")
	key = etcdtest.AddPrefix(key)
	if err != nil {
		t.Fatalf("unexpected key error: %v", err)
	}
	fakeEtcdClient.Data[key] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Value: runtime.EncodeOrDie(latest.Codec, expect),
			},
		},
	}
	obj, err := storage.Get(api.NewContext(), "foo")
	namespace := obj.(*api.Namespace)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	expect.Status.Phase = api.NamespaceActive
	if e, a := expect, namespace; !api.Semantic.DeepEqual(e, a) {
		t.Errorf("Unexpected namespace: %s", util.ObjectDiff(e, a))
	}
}

func TestVerbRestrictionsWork(t *testing.T) {
	test1 := &authorizeTest{
		context: kapi.WithUser(kapi.WithNamespace(kapi.NewContext(), "adze"), &user.DefaultInfo{Name: "Valerie"}),
		attributes: &DefaultAuthorizationAttributes{
			Verb:     "get",
			Resource: "buildConfigs",
		},
		expectedAllowed: true,
		expectedReason:  "allowed by rule in adze",
	}
	test1.clusterPolicies = newDefaultClusterPolicies()
	test1.policies = newAdzePolicies()
	test1.clusterBindings = newDefaultClusterPolicyBindings()
	test1.bindings = newAdzeBindings()
	test1.test(t)

	test2 := &authorizeTest{
		context: kapi.WithUser(kapi.WithNamespace(kapi.NewContext(), "adze"), &user.DefaultInfo{Name: "Valerie"}),
		attributes: &DefaultAuthorizationAttributes{
			Verb:     "create",
			Resource: "buildConfigs",
		},
		expectedAllowed: false,
		expectedReason:  `User "Valerie" cannot create buildConfigs in project "adze"`,
	}
	test2.clusterPolicies = newDefaultClusterPolicies()
	test2.policies = newAdzePolicies()
	test2.clusterBindings = newDefaultClusterPolicyBindings()
	test2.bindings = newAdzeBindings()
	test2.test(t)
}

func TestResourceRestrictionsWithWeirdWork(t *testing.T) {
	test1 := &authorizeTest{
		context: kapi.WithUser(kapi.WithNamespace(kapi.NewContext(), "adze"), &user.DefaultInfo{Name: "Rachel"}),
		attributes: &DefaultAuthorizationAttributes{
			Verb:     "get",
			Resource: "BUILDCONFIGS",
		},
		expectedAllowed: true,
		expectedReason:  "allowed by rule in adze",
	}
	test1.clusterPolicies = newDefaultClusterPolicies()
	test1.policies = newAdzePolicies()
	test1.clusterBindings = newDefaultClusterPolicyBindings()
	test1.bindings = newAdzeBindings()
	test1.test(t)

	test2 := &authorizeTest{
		context: kapi.WithUser(kapi.WithNamespace(kapi.NewContext(), "adze"), &user.DefaultInfo{Name: "Rachel"}),
		attributes: &DefaultAuthorizationAttributes{
			Verb:     "get",
			Resource: "buildconfigs",
		},
		expectedAllowed: true,
		expectedReason:  "allowed by rule in adze",
	}
	test2.clusterPolicies = newDefaultClusterPolicies()
	test2.policies = newAdzePolicies()
	test2.clusterBindings = newDefaultClusterPolicyBindings()
	test2.bindings = newAdzeBindings()
	test2.test(t)
}

func TestEtcdListRoutesInDifferentNamespaces(t *testing.T) {
	fakeClient := tools.NewFakeEtcdClient(t)
	namespaceAlfa := kapi.WithNamespace(kapi.NewContext(), "alfa")
	namespaceBravo := kapi.WithNamespace(kapi.NewContext(), "bravo")
	fakeClient.Data["/routes/alfa"] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Nodes: []*etcd.Node{
					{
						Value: runtime.EncodeOrDie(latest.Codec, &api.Route{ObjectMeta: kapi.ObjectMeta{Name: "foo1"}}),
					},
				},
			},
		},
		E: nil,
	}
	fakeClient.Data["/routes/bravo"] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Nodes: []*etcd.Node{
					{
						Value: runtime.EncodeOrDie(latest.Codec, &api.Route{ObjectMeta: kapi.ObjectMeta{Name: "foo2"}}),
					},
					{
						Value: runtime.EncodeOrDie(latest.Codec, &api.Route{ObjectMeta: kapi.ObjectMeta{Name: "bar2"}}),
					},
				},
			},
		},
		E: nil,
	}
	registry := NewTestEtcd(fakeClient)

	routesAlfa, err := registry.ListRoutes(namespaceAlfa, labels.Everything())
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if len(routesAlfa.Items) != 1 || routesAlfa.Items[0].Name != "foo1" {
		t.Errorf("Unexpected builds list: %#v", routesAlfa)
	}

	routesBravo, err := registry.ListRoutes(namespaceBravo, labels.Everything())
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if len(routesBravo.Items) != 2 || routesBravo.Items[0].Name != "foo2" || routesBravo.Items[1].Name != "bar2" {
		t.Errorf("Unexpected builds list: %#v", routesBravo)
	}
}

func TestGetEndpointsMissingService(t *testing.T) {
	registry := &registrytest.ServiceRegistry{
		Err: errors.NewNotFound("service", "foo"),
	}
	storage := NewREST(registry)
	ctx := api.NewContext()
	// returns service not found
	_, err := storage.Get(ctx, "foo")
	if !errors.IsNotFound(err) || !reflect.DeepEqual(err, errors.NewNotFound("service", "foo")) {
		t.Errorf("expected NotFound error, got %#v", err)
	}

	// returns empty endpoints
	registry.Err = nil
	registry.Service = &api.Service{
		ObjectMeta: api.ObjectMeta{Name: "foo"},
	}
	obj, err := storage.Get(ctx, "foo")
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if obj.(*api.Endpoints).Endpoints != nil {
		t.Errorf("unexpected endpoints: %#v", obj)
	}
}

func TestGet(t *testing.T) {
	expect := validNewPod()
	expect.Status.Phase = api.PodRunning
	expect.Spec.NodeName = "machine"

	fakeEtcdClient, etcdStorage := newEtcdStorage(t)
	key := etcdtest.AddPrefix("/pods/test/foo")
	fakeEtcdClient.Data[key] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Value: runtime.EncodeOrDie(latest.Codec, expect),
			},
		},
	}
	storage := NewStorage(etcdStorage, nil).Pod

	obj, err := storage.Get(api.WithNamespace(api.NewContext(), "test"), "foo")
	pod := obj.(*api.Pod)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	if e, a := expect, pod; !api.Semantic.DeepEqual(e, a) {
		t.Errorf("Unexpected pod: %s", util.ObjectDiff(e, a))
	}
}

func NewReadOnlyClusterPolicyCache(registry clusterpolicyregistry.WatchingRegistry) readOnlyClusterPolicyCache {
	ctx := kapi.WithNamespace(kapi.NewContext(), kapi.NamespaceAll)

	indexer := cache.NewIndexer(cache.MetaNamespaceKeyFunc, cache.Indexers{"namespace": cache.MetaNamespaceIndexFunc})

	reflector := cache.NewReflector(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return registry.ListClusterPolicies(ctx, labels.Everything(), fields.Everything())
			},
			WatchFunc: func(resourceVersion string) (watch.Interface, error) {
				return registry.WatchClusterPolicies(ctx, labels.Everything(), fields.Everything(), resourceVersion)
			},
		},
		&authorizationapi.ClusterPolicy{},
		indexer,
		2*time.Minute,
	)

	return readOnlyClusterPolicyCache{
		registry:  registry,
		indexer:   indexer,
		reflector: *reflector,

		keyFunc: cache.MetaNamespaceKeyFunc,
	}
}

func TestListPodsCacheError(t *testing.T) {
	podRegistry := registrytest.NewPodRegistry(nil)
	podRegistry.Pods = &api.PodList{
		Items: []api.Pod{
			{
				ObjectMeta: api.ObjectMeta{
					Name: "foo",
				},
			},
		},
	}
	storage := REST{
		registry: podRegistry,
		podCache: &fakeCache{errorToReturn: client.ErrPodInfoNotAvailable},
	}
	ctx := api.NewContext()
	pods, err := storage.List(ctx, labels.Everything(), labels.Everything())
	if err != nil {
		t.Fatalf("Expected no error, got %#v", err)
	}
	pl := pods.(*api.PodList)
	if len(pl.Items) != 1 {
		t.Fatalf("Unexpected 0-len pod list: %+v", pl)
	}
	if e, a := api.PodUnknown, pl.Items[0].Status.Phase; e != a {
		t.Errorf("Expected %v, got %v", e, a)
	}
}

func TestUpdateCannotChangeRoleRefError(t *testing.T) {
	ctx := kapi.WithUser(kapi.WithNamespace(kapi.NewContext(), "unittest"), &user.DefaultInfo{Name: "system:admin"})

	storage := makeTestStorage()
	obj, err := storage.Create(ctx, &authorizationapi.RoleBinding{
		ObjectMeta: kapi.ObjectMeta{Name: "my-different"},
		RoleRef:    kapi.ObjectReference{Name: "admin"},
	})
	if err != nil {
		t.Errorf("unexpected error: %v", err)
		return
	}
	original := obj.(*authorizationapi.RoleBinding)

	roleBinding := &authorizationapi.RoleBinding{
		ObjectMeta: kapi.ObjectMeta{Name: "my-different", ResourceVersion: original.ResourceVersion},
		RoleRef:    kapi.ObjectReference{Name: "cluster-admin"},
	}

	_, _, err = storage.Update(ctx, roleBinding)
	if err == nil {
		t.Errorf("Missing expected error")
		return
	}
	expectedErr := "cannot change roleRef"
	if !strings.Contains(err.Error(), expectedErr) {
		t.Errorf("Expected %v, got %v", expectedErr, err.Error())
	}
}

// TestGetClusterPolicy tests that a ReadOnlyPolicyClient GetPolicy() call correctly retrieves a cluster policy
// when the namespace given is equal to the empty string
func TestGetClusterPolicy(t *testing.T) {
	testClient, policyStopChannel, bindingStopChannel, testChannel := beforeTestingSetup_readonlycache()
	defer close(policyStopChannel)
	defer close(bindingStopChannel)

	var clusterPolicy *authorizationapi.Policy
	var err error

	namespace := ""
	context := kapi.WithNamespace(kapi.NewContext(), namespace)
	name := "uniqueClusterPolicyName"

	util.Until(func() {
		clusterPolicy, err = testClient.GetPolicy(context, name)

		if (err == nil) &&
			(clusterPolicy != nil) &&
			(clusterPolicy.Name == name) &&
			(clusterPolicy.Namespace == namespace) {
			close(testChannel)
		}
	}, 1*time.Millisecond, testChannel)

	switch {
	case err != nil:
		t.Errorf("Error getting cluster policy using GetPolicy(): %v", err)
	case clusterPolicy == nil:
		t.Error("Policy is nil")
	case clusterPolicy.Name != name:
		t.Errorf("Expected policy.Name to be '%s', but got '%s'", name, clusterPolicy.Name)
	case clusterPolicy.Namespace != "":
		t.Errorf("Expected policy.Namespace to be '%s', but got '%s'", namespace, clusterPolicy.Namespace)
	}
}

func TestEtcdListPersistentVolumes(t *testing.T) {
	ctx := api.NewContext()
	storage, _, fakeClient, _ := newStorage(t)
	key := storage.KeyRootFunc(ctx)
	key = etcdtest.AddPrefix(key)
	fakeClient.Data[key] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Nodes: []*etcd.Node{
					{
						Value: runtime.EncodeOrDie(latest.Codec, validNewPersistentVolume("foo")),
					},
					{
						Value: runtime.EncodeOrDie(latest.Codec, validNewPersistentVolume("bar")),
					},
				},
			},
		},
		E: nil,
	}

	pvObj, err := storage.List(ctx, labels.Everything(), fields.Everything())
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	pvs := pvObj.(*api.PersistentVolumeList)

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