Golang errors.IsInvalid函数代码示例

func (t *Tester) testCreateValidatesNames(valid runtime.Object) {
	for _, invalidName := range validation.NameMayNotBe {
		objCopy := copyOrDie(valid)
		objCopyMeta := t.getObjectMetaOrFail(objCopy)
		objCopyMeta.Name = invalidName

		ctx := t.TestContext()
		_, err := t.storage.(rest.Creater).Create(ctx, objCopy)
		if !errors.IsInvalid(err) {
			t.Errorf("%s: Expected to get an invalid resource error, got %v", invalidName, err)
		}
	}

	for _, invalidSuffix := range validation.NameMayNotContain {
		objCopy := copyOrDie(valid)
		objCopyMeta := t.getObjectMetaOrFail(objCopy)
		objCopyMeta.Name += invalidSuffix

		ctx := t.TestContext()
		_, err := t.storage.(rest.Creater).Create(ctx, objCopy)
		if !errors.IsInvalid(err) {
			t.Errorf("%s: Expected to get an invalid resource error, got %v", invalidSuffix, err)
		}
	}
}

func TestEtcdCreateBinding(t *testing.T) {
	ctx := api.NewDefaultContext()

	testCases := map[string]struct {
		binding api.Binding
		errOK   func(error) bool
	}{
		"noName": {
			binding: api.Binding{
				ObjectMeta: api.ObjectMeta{Namespace: api.NamespaceDefault, Name: "foo"},
				Target:     api.ObjectReference{},
			},
			errOK: func(err error) bool { return errors.IsInvalid(err) },
		},
		"badKind": {
			binding: api.Binding{
				ObjectMeta: api.ObjectMeta{Namespace: api.NamespaceDefault, Name: "foo"},
				Target:     api.ObjectReference{Name: "machine1", Kind: "unknown"},
			},
			errOK: func(err error) bool { return errors.IsInvalid(err) },
		},
		"emptyKind": {
			binding: api.Binding{
				ObjectMeta: api.ObjectMeta{Namespace: api.NamespaceDefault, Name: "foo"},
				Target:     api.ObjectReference{Name: "machine2"},
			},
			errOK: func(err error) bool { return err == nil },
		},
		"kindNode": {
			binding: api.Binding{
				ObjectMeta: api.ObjectMeta{Namespace: api.NamespaceDefault, Name: "foo"},
				Target:     api.ObjectReference{Name: "machine3", Kind: "Node"},
			},
			errOK: func(err error) bool { return err == nil },
		},
	}
	for k, test := range testCases {
		storage, bindingStorage, _, server := newStorage(t)
		key, _ := storage.KeyFunc(ctx, "foo")
		key = etcdtest.AddPrefix(key)

		if _, err := storage.Create(ctx, validNewPod()); err != nil {
			t.Fatalf("%s: unexpected error: %v", k, err)
		}
		if _, err := bindingStorage.Create(ctx, &test.binding); !test.errOK(err) {
			t.Errorf("%s: unexpected error: %v", k, err)
		} else if err == nil {
			// If bind succeeded, verify Host field in pod's Spec.
			pod, err := storage.Get(ctx, validNewPod().ObjectMeta.Name)
			if err != nil {
				t.Errorf("%s: unexpected error: %v", k, err)
			} else if pod.(*api.Pod).Spec.NodeName != test.binding.Target.Name {
				t.Errorf("%s: expected: %v, got: %v", k, pod.(*api.Pod).Spec.NodeName, test.binding.Target.Name)
			}
		}
		server.Terminate(t)
	}
}

// handlePodUpdateError prints a more useful error to the end user when mutating a pod.
func handlePodUpdateError(out io.Writer, err error, resource string) {
	if statusError, ok := err.(*errors.StatusError); ok && errors.IsInvalid(err) {
		errorDetails := statusError.Status().Details
		if errorDetails.Kind == "Pod" {
			all, match := true, false
			for _, cause := range errorDetails.Causes {
				if cause.Field == "spec" && strings.Contains(cause.Message, "may not update fields other than") {
					fmt.Fprintf(out, "error: may not update %s in pod %q directly\n", resource, errorDetails.Name)
					match = true
				} else {
					all = false
				}
			}
			if all && match {
				return
			}
		} else {
			if ok := kcmdutil.PrintErrorWithCauses(err, out); ok {
				return
			}
		}
	}

	fmt.Fprintf(out, "error: %v\n", err)
}

func checkCustomErr(customPrefix string, err error, handleErr func(string)) {
	if err == nil {
		return
	}

	if errors.IsInvalid(err) {
		details := err.(*errors.StatusError).Status().Details
		for i := range details.Causes {
			c := &details.Causes[i]
			s := strings.Split(c.Message, "}': ")
			if len(s) == 2 {
				c.Message =
					s[1]
				c.Field = ""
			}
		}
		prefix := fmt.Sprintf("%s", customPrefix)
		errs := statusCausesToAggrError(details.Causes)
		handleErr(MultilineError(prefix, errs))
	}

	// handle multiline errors
	if clientcmd.IsConfigurationInvalid(err) {
		handleErr(MultilineError("Error in configuration: ", err))
	}
	if agg, ok := err.(utilerrors.Aggregate); ok && len(agg.Errors()) > 0 {
		handleErr(MultipleErrors("", agg.Errors()))
	}

	msg, ok := StandardErrorMessage(err)
	if !ok {
		msg = fmt.Sprintf("error: %s\n", err.Error())
	}
	handleErr(msg)
}

func TestEtcdControllerValidatesUpdate(t *testing.T) {
	ctx := api.NewDefaultContext()
	storage, _ := newStorage(t)

	updateController, err := createController(storage, validController, t)
	if err != nil {
		t.Errorf("Failed to create controller, cannot proceed with test.")
	}

	updaters := []func(rc api.ReplicationController) (runtime.Object, bool, error){
		func(rc api.ReplicationController) (runtime.Object, bool, error) {
			rc.UID = "newUID"
			return storage.Update(ctx, &rc)
		},
		func(rc api.ReplicationController) (runtime.Object, bool, error) {
			rc.Name = ""
			return storage.Update(ctx, &rc)
		},
		func(rc api.ReplicationController) (runtime.Object, bool, error) {
			rc.Spec.Selector = map[string]string{}
			return storage.Update(ctx, &rc)
		},
	}
	for _, u := range updaters {
		c, updated, err := u(updateController)
		if c != nil || updated {
			t.Errorf("Expected nil object and not created")
		}
		if !errors.IsInvalid(err) && !errors.IsBadRequest(err) {
			t.Errorf("Expected invalid or bad request error, got %v of type %T", err, err)
		}
	}
}

// NewCommandStartEtcdServer starts only the etcd server
func NewCommandStartEtcdServer(name, basename string, out io.Writer) (*cobra.Command, *EtcdOptions) {
	options := &EtcdOptions{Output: out}

	cmd := &cobra.Command{
		Use:   name,
		Short: "Launch etcd server",
		Long:  fmt.Sprintf(etcdLong, basename, name),
		Run: func(c *cobra.Command, args []string) {
			kcmdutil.CheckErr(options.Validate())

			startProfiler()

			if err := options.StartEtcdServer(); err != nil {
				if kerrors.IsInvalid(err) {
					if details := err.(*kerrors.StatusError).ErrStatus.Details; details != nil {
						fmt.Fprintf(c.OutOrStderr(), "Invalid %s %s\n", details.Kind, details.Name)
						for _, cause := range details.Causes {
							fmt.Fprintf(c.OutOrStderr(), "  %s: %s\n", cause.Field, cause.Message)
						}
						os.Exit(255)
					}
				}
				glog.Fatal(err)
			}
		},
	}

	flags := cmd.Flags()
	// This command only supports reading from config
	flags.StringVar(&options.ConfigFile, "config", "", "Location of the master configuration file to run from.")
	cmd.MarkFlagFilename("config", "yaml", "yml")
	cmd.MarkFlagRequired("config")

	return cmd, options
}

func TestUpdateWithEmptyResourceVersion(t *testing.T) {
	// Starting conditions
	associatedUser1, associatedIdentity1User1 := makeAssociated()
	unassociatedUser2 := makeUser()
	// Finishing conditions
	_, unassociatedIdentity1 := disassociate(associatedUser1, associatedIdentity1User1)

	expectedActions := []test.Action{
		// Existing mapping lookup
		{"GetIdentity", associatedIdentity1User1.Name},
		{"GetUser", associatedUser1.Name},
	}

	mapping := &api.UserIdentityMapping{
		Identity: kapi.ObjectReference{Name: unassociatedIdentity1.Name},
		User:     kapi.ObjectReference{Name: unassociatedUser2.Name},
	}

	actions, _, _, rest := setupRegistries(associatedIdentity1User1, associatedUser1, unassociatedUser2)
	_, _, err := rest.Update(kapi.NewContext(), mapping.Name, kapirest.DefaultUpdatedObjectInfo(mapping, kapi.Scheme))

	if err == nil {
		t.Errorf("Expected error")
	}
	if !kerrs.IsInvalid(err) {
		t.Errorf("Unexpected error: %v", err)
	}
	verifyActions(expectedActions, *actions, t)
}

func checkErr(err error, handleErr func(string)) {
	if err == nil {
		return
	}

	if errors.IsInvalid(err) {
		details := err.(*errors.StatusError).Status().Details
		prefix := fmt.Sprintf("The %s %q is invalid:", details.Kind, details.Name)
		errs := statusCausesToAggrError(details.Causes)
		handleErr(MultilineError(prefix, errs))
	}

	// handle multiline errors
	if clientcmd.IsConfigurationInvalid(err) {
		handleErr(MultilineError("Error in configuration: ", err))
	}
	if agg, ok := err.(utilerrors.Aggregate); ok && len(agg.Errors()) > 0 {
		handleErr(MultipleErrors("", agg.Errors()))
	}

	msg, ok := StandardErrorMessage(err)
	if !ok {
		msg = fmt.Sprintf("error: %s\n", err.Error())
	}
	handleErr(msg)
}

func TestEtcdParseWatchResourceVersion(t *testing.T) {
	testCases := []struct {
		Version       string
		Kind          string
		ExpectVersion uint64
		Err           bool
	}{
		{Version: "", ExpectVersion: 0},
		{Version: "a", Err: true},
		{Version: " ", Err: true},
		{Version: "1", ExpectVersion: 2},
		{Version: "10", ExpectVersion: 11},
	}
	for _, testCase := range testCases {
		version, err := ParseWatchResourceVersion(testCase.Version, testCase.Kind)
		switch {
		case testCase.Err:
			if err == nil {
				t.Errorf("%s: unexpected non-error", testCase.Version)
				continue
			}
			if !errors.IsInvalid(err) {
				t.Errorf("%s: unexpected error: %v", testCase.Version, err)
				continue
			}
		case !testCase.Err && err != nil:
			t.Errorf("%s: unexpected error: %v", testCase.Version, err)
			continue
		}
		if version != testCase.ExpectVersion {
			t.Errorf("%s: expected version %d but was %d", testCase.Version, testCase.ExpectVersion, version)
		}
	}
}

func TestUpdateMissingUser(t *testing.T) {
	// Starting conditions
	associatedUser1, associatedIdentity1User1 := makeAssociated()
	unassociatedUser2 := makeUser()
	// Finishing conditions
	_, unassociatedIdentity1 := disassociate(associatedUser1, associatedIdentity1User1)

	expectedActions := []test.Action{
		// Existing mapping lookup
		{"GetIdentity", associatedIdentity1User1.Name},
		{"GetUser", associatedUser1.Name},
		// New user lookup
		{"GetUser", unassociatedUser2.Name},
	}

	mapping := &api.UserIdentityMapping{
		ObjectMeta: kapi.ObjectMeta{ResourceVersion: unassociatedIdentity1.ResourceVersion},
		Identity:   kapi.ObjectReference{Name: unassociatedIdentity1.Name},
		User:       kapi.ObjectReference{Name: unassociatedUser2.Name},
	}

	actions, _, _, rest := setupRegistries(associatedIdentity1User1, associatedUser1)
	_, _, err := rest.Update(kapi.NewContext(), mapping)

	if err == nil {
		t.Errorf("Expected error: %v", err)
	}
	if !kerrs.IsInvalid(err) {
		t.Errorf("Unexpected error: %v", err)
	}
	verifyActions(expectedActions, *actions, t)
}

func (t *Tester) testCreateInvokesValidation(invalid ...runtime.Object) {
	for i, obj := range invalid {
		ctx := t.TestContext()
		_, err := t.storage.(rest.Creater).Create(ctx, obj)
		if !errors.IsInvalid(err) {
			t.Errorf("%d: Expected to get an invalid resource error, got %v", i, err)
		}
	}
}

// IsErrorLimitExceeded returns true if the given error is a limit error.
func IsErrorLimitExceeded(err error) bool {
	if isForbidden := apierrs.IsForbidden(err); isForbidden || apierrs.IsInvalid(err) {
		lowered := strings.ToLower(err.Error())
		// the limit error message can be accompanied only by Invalid reason
		if strings.Contains(lowered, errLimitsMessageString) {
			return true
		}
	}
	return false
}

// isInvalidTriggerError returns true if the given error is
// a validation error that contains 'invalid trigger type' in its
// error message. This error is returned from older servers that
// consider the presence of unknown trigger types to be an error.
func isInvalidTriggerError(err error) bool {
	if !kapierrors.IsInvalid(err) {
		return false
	}
	statusErr, ok := err.(*kapierrors.StatusError)
	if !ok {
		return false
	}
	return strings.Contains(statusErr.Status().Message, "invalid trigger type")
}

func (t *Tester) TestDeleteInvokesValidation(invalid ...runtime.Object) {
	for i, obj := range invalid {
		objectMeta := t.getObjectMetaOrFail(obj)
		ctx := t.TestContext()
		_, err := t.storage.(rest.GracefulDeleter).Delete(ctx, objectMeta.Name, nil)
		if !errors.IsInvalid(err) {
			t.Errorf("%d: Expected to get an invalid resource error, got %v", i, err)
		}
	}
}

func TestCreateInvalidProject(t *testing.T) {
	mockClient := &testclient.Fake{}
	storage := NewREST(mockClient.Namespaces(), &mockLister{})
	_, err := storage.Create(nil, &api.Project{
		ObjectMeta: kapi.ObjectMeta{
			Annotations: map[string]string{"openshift.io/display-name": "h\t\ni"},
		},
	})
	if !errors.IsInvalid(err) {
		t.Errorf("Expected 'invalid' error, got %v", err)
	}
}