func TestRecognizer(t *testing.T) {
	s := runtime.NewScheme()
	s.AddKnownTypes(unversioned.GroupVersion{Version: "v1"}, &A{})
	d := NewDecoder(
		json.NewSerializer(json.DefaultMetaFactory, s, s, false),
		json.NewYAMLSerializer(json.DefaultMetaFactory, s, s),
	)
	out, _, err := d.Decode([]byte(`
kind: A
apiVersion: v1
`), nil, nil)
	if err != nil {
		t.Fatal(err)
	}
	t.Logf("%#v", out)

	out, _, err = d.Decode([]byte(`
{
  "kind":"A",
  "apiVersion":"v1"
}
`), nil, nil)
	if err != nil {
		t.Fatal(err)
	}
	t.Logf("%#v", out)
}
func newSerializersForScheme(scheme *runtime.Scheme, mf json.MetaFactory) []serializerType {
	jsonSerializer := json.NewSerializer(mf, scheme, scheme, false)
	jsonPrettySerializer := json.NewSerializer(mf, scheme, scheme, true)
	yamlSerializer := json.NewYAMLSerializer(mf, scheme, scheme)

	serializers := []serializerType{
		{
			AcceptContentTypes: []string{"application/json"},
			ContentType:        "application/json",
			FileExtensions:     []string{"json"},
			EncodesAsText:      true,
			Serializer:         jsonSerializer,
			PrettySerializer:   jsonPrettySerializer,

			AcceptStreamContentTypes: []string{"application/json", "application/json;stream=watch"},
			StreamContentType:        "application/json",
			Framer:                   json.Framer,
			StreamSerializer:         jsonSerializer,
		},
		{
			AcceptContentTypes: []string{"application/yaml"},
			ContentType:        "application/yaml",
			FileExtensions:     []string{"yaml"},
			EncodesAsText:      true,
			Serializer:         yamlSerializer,

			// TODO: requires runtime.RawExtension to properly distinguish when the nested content is
			// yaml, because the yaml encoder invokes MarshalJSON first
			//AcceptStreamContentTypes: []string{"application/yaml", "application/yaml;stream=watch"},
			//StreamContentType:        "application/yaml;stream=watch",
			//Framer:                   json.YAMLFramer,
			//StreamSerializer:         yamlSerializer,
		},
	}

	for _, fn := range serializerExtensions {
		if serializer, ok := fn(scheme); ok {
			serializers = append(serializers, serializer)
		}
	}
	return serializers
}
Beispiel #3
0
func TestDecode(t *testing.T) {
	testCases := []struct {
		creater runtime.ObjectCreater
		typer   runtime.ObjectTyper
		yaml    bool
		pretty  bool

		data       []byte
		defaultGVK *unversioned.GroupVersionKind
		into       runtime.Object

		errFn          func(error) bool
		expectedObject runtime.Object
		expectedGVK    *unversioned.GroupVersionKind
	}{
		{
			data: []byte("{}"),

			expectedGVK: &unversioned.GroupVersionKind{},
			errFn:       func(err error) bool { return strings.Contains(err.Error(), "Object 'Kind' is missing in") },
		},
		{
			data:       []byte("{}"),
			defaultGVK: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			creater:    &mockCreater{err: fmt.Errorf("fake error")},

			expectedGVK: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			errFn:       func(err error) bool { return err.Error() == "fake error" },
		},
		{
			data:       []byte("{}"),
			defaultGVK: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			creater:    &mockCreater{err: fmt.Errorf("fake error")},

			expectedGVK: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			errFn:       func(err error) bool { return err.Error() == "fake error" },
		},
		{
			data:           []byte("{}"),
			defaultGVK:     &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			creater:        &mockCreater{obj: &testDecodable{}},
			expectedObject: &testDecodable{},
			expectedGVK:    &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
		},

		// version without group is not defaulted
		{
			data:           []byte(`{"apiVersion":"blah"}`),
			defaultGVK:     &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			creater:        &mockCreater{obj: &testDecodable{}},
			expectedObject: &testDecodable{},
			expectedGVK:    &unversioned.GroupVersionKind{Kind: "Test", Group: "", Version: "blah"},
		},
		// group without version is defaulted
		{
			data:           []byte(`{"apiVersion":"other/"}`),
			defaultGVK:     &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			creater:        &mockCreater{obj: &testDecodable{}},
			expectedObject: &testDecodable{},
			expectedGVK:    &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
		},

		// accept runtime.Unknown as into and bypass creator
		{
			data: []byte(`{}`),
			into: &runtime.Unknown{},

			expectedGVK: &unversioned.GroupVersionKind{},
			expectedObject: &runtime.Unknown{
				Raw:         []byte(`{}`),
				ContentType: runtime.ContentTypeJSON,
			},
		},
		{
			data: []byte(`{"test":"object"}`),
			into: &runtime.Unknown{},

			expectedGVK: &unversioned.GroupVersionKind{},
			expectedObject: &runtime.Unknown{
				Raw:         []byte(`{"test":"object"}`),
				ContentType: runtime.ContentTypeJSON,
			},
		},
		{
			data:        []byte(`{"test":"object"}`),
			into:        &runtime.Unknown{},
			defaultGVK:  &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			expectedGVK: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			expectedObject: &runtime.Unknown{
				TypeMeta:    runtime.TypeMeta{APIVersion: "other/blah", Kind: "Test"},
				Raw:         []byte(`{"test":"object"}`),
				ContentType: runtime.ContentTypeJSON,
			},
		},

		// unregistered objects can be decoded into directly
		{
			data:        []byte(`{"kind":"Test","apiVersion":"other/blah","value":1,"Other":"test"}`),
			into:        &testDecodable{},
			typer:       &mockTyper{err: runtime.NewNotRegisteredErr(unversioned.GroupVersionKind{}, nil)},
			expectedGVK: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			expectedObject: &testDecodable{
				Other: "test",
				Value: 1,
			},
		},
		// registered types get defaulted by the into object kind
		{
			data:        []byte(`{"value":1,"Other":"test"}`),
			into:        &testDecodable{},
			typer:       &mockTyper{gvk: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"}},
			expectedGVK: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			expectedObject: &testDecodable{
				Other: "test",
				Value: 1,
			},
		},
		// registered types get defaulted by the into object kind even without version, but return an error
		{
			data:        []byte(`{"value":1,"Other":"test"}`),
			into:        &testDecodable{},
			typer:       &mockTyper{gvk: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: ""}},
			expectedGVK: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: ""},
			errFn:       func(err error) bool { return strings.Contains(err.Error(), "Object 'apiVersion' is missing in") },
			expectedObject: &testDecodable{
				Other: "test",
				Value: 1,
			},
		},

		// runtime.VersionedObjects are decoded
		{
			data:        []byte(`{"value":1,"Other":"test"}`),
			into:        &runtime.VersionedObjects{Objects: []runtime.Object{}},
			creater:     &mockCreater{obj: &testDecodable{}},
			typer:       &mockTyper{gvk: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"}},
			defaultGVK:  &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			expectedGVK: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			expectedObject: &runtime.VersionedObjects{
				Objects: []runtime.Object{
					&testDecodable{
						Other: "test",
						Value: 1,
					},
				},
			},
		},
		// runtime.VersionedObjects with an object are decoded into
		{
			data:        []byte(`{"Other":"test"}`),
			into:        &runtime.VersionedObjects{Objects: []runtime.Object{&testDecodable{Value: 2}}},
			typer:       &mockTyper{gvk: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"}},
			expectedGVK: &unversioned.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			expectedObject: &runtime.VersionedObjects{
				Objects: []runtime.Object{
					&testDecodable{
						Other: "test",
						Value: 2,
					},
				},
			},
		},
	}

	for i, test := range testCases {
		var s runtime.Serializer
		if test.yaml {
			s = json.NewYAMLSerializer(json.DefaultMetaFactory, test.creater, test.typer)
		} else {
			s = json.NewSerializer(json.DefaultMetaFactory, test.creater, test.typer, test.pretty)
		}
		obj, gvk, err := s.Decode([]byte(test.data), test.defaultGVK, test.into)

		if !reflect.DeepEqual(test.expectedGVK, gvk) {
			t.Errorf("%d: unexpected GVK: %v", i, gvk)
		}

		switch {
		case err == nil && test.errFn != nil:
			t.Errorf("%d: failed: %v", i, err)
			continue
		case err != nil && test.errFn == nil:
			t.Errorf("%d: failed: %v", i, err)
			continue
		case err != nil:
			if !test.errFn(err) {
				t.Errorf("%d: failed: %v", i, err)
			}
			if obj != nil {
				t.Errorf("%d: should have returned nil object", i)
			}
			continue
		}

		if test.into != nil && test.into != obj {
			t.Errorf("%d: expected into to be returned: %v", i, obj)
			continue
		}

		if !reflect.DeepEqual(test.expectedObject, obj) {
			t.Errorf("%d: unexpected object:\n%s", i, diff.ObjectGoPrintSideBySide(test.expectedObject, obj))
		}
	}
}