Example #1
0
func TestDecodeEmptyRawExtensionAsObject(t *testing.T) {
	internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
	externalGV := schema.GroupVersion{Group: "test.group", Version: "v1test"}
	externalGVK := externalGV.WithKind("ObjectTest")

	s := runtime.NewScheme()
	s.AddKnownTypes(internalGV, &ObjectTest{})
	s.AddKnownTypeWithName(externalGVK, &ObjectTestExternal{})

	codec := serializer.NewCodecFactory(s).LegacyCodec(externalGV)

	obj, gvk, err := codec.Decode([]byte(`{"kind":"`+externalGVK.Kind+`","apiVersion":"`+externalGV.String()+`","items":[{}]}`), nil, nil)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	test := obj.(*ObjectTest)
	if unk, ok := test.Items[0].(*runtime.Unknown); !ok || unk.Kind != "" || unk.APIVersion != "" || string(unk.Raw) != "{}" || unk.ContentType != runtime.ContentTypeJSON {
		t.Fatalf("unexpected object: %#v", test.Items[0])
	}
	if *gvk != externalGVK {
		t.Fatalf("unexpected kind: %#v", gvk)
	}

	obj, gvk, err = codec.Decode([]byte(`{"kind":"`+externalGVK.Kind+`","apiVersion":"`+externalGV.String()+`","items":[{"kind":"Other","apiVersion":"v1"}]}`), nil, nil)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	test = obj.(*ObjectTest)
	if unk, ok := test.Items[0].(*runtime.Unknown); !ok || unk.Kind != "" || unk.APIVersion != "" || string(unk.Raw) != `{"kind":"Other","apiVersion":"v1"}` || unk.ContentType != runtime.ContentTypeJSON {
		t.Fatalf("unexpected object: %#v", test.Items[0])
	}
	if *gvk != externalGVK {
		t.Fatalf("unexpected kind: %#v", gvk)
	}
}
Example #2
0
func TestRESTMapperResourceSingularizer(t *testing.T) {
	testGroupVersion := schema.GroupVersion{Group: "tgroup", Version: "test"}

	testCases := []struct {
		Kind     string
		Plural   string
		Singular string
	}{
		{Kind: "Pod", Plural: "pods", Singular: "pod"},
		{Kind: "ReplicationController", Plural: "replicationcontrollers", Singular: "replicationcontroller"},
		{Kind: "ImageRepository", Plural: "imagerepositories", Singular: "imagerepository"},
		{Kind: "Status", Plural: "statuses", Singular: "status"},

		{Kind: "lowercase", Plural: "lowercases", Singular: "lowercase"},
		// TODO this test is broken.  This updates to reflect actual behavior.  Kinds are expected to be singular
		// old (incorrect), coment: Don't add extra s if the original object is already plural
		{Kind: "lowercases", Plural: "lowercaseses", Singular: "lowercases"},
	}
	for i, testCase := range testCases {
		mapper := NewDefaultRESTMapper([]schema.GroupVersion{testGroupVersion}, fakeInterfaces)
		// create singular/plural mapping
		mapper.Add(testGroupVersion.WithKind(testCase.Kind), RESTScopeNamespace)

		singular, err := mapper.ResourceSingularizer(testCase.Plural)
		if err != nil {
			t.Errorf("%d: unexpected error: %v", i, err)
		}
		if singular != testCase.Singular {
			t.Errorf("%d: mismatched singular: got %v, expected %v", i, singular, testCase.Singular)
		}
	}
}
Example #3
0
func TestEncode(t *testing.T) {
	internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
	externalGV := schema.GroupVersion{Group: "test.group", Version: "testExternal"}

	scheme := runtime.NewScheme()
	scheme.AddKnownTypeWithName(internalGV.WithKind("Simple"), &InternalSimple{})
	scheme.AddKnownTypeWithName(externalGV.WithKind("Simple"), &ExternalSimple{})

	codec := serializer.NewCodecFactory(scheme).LegacyCodec(externalGV)

	test := &InternalSimple{
		TestString: "I'm the same",
	}
	obj := runtime.Object(test)
	data, err := runtime.Encode(codec, obj)
	obj2, gvk, err2 := codec.Decode(data, nil, nil)
	if err != nil || err2 != nil {
		t.Fatalf("Failure: '%v' '%v'", err, err2)
	}
	if _, ok := obj2.(*InternalSimple); !ok {
		t.Fatalf("Got wrong type")
	}
	if !reflect.DeepEqual(obj2, test) {
		t.Errorf("Expected:\n %#v,\n Got:\n %#v", test, obj2)
	}
	if !reflect.DeepEqual(gvk, &schema.GroupVersionKind{Group: "test.group", Version: "testExternal", Kind: "Simple"}) {
		t.Errorf("unexpected gvk returned by decode: %#v", gvk)
	}
}
Example #4
0
func TestKindToResource(t *testing.T) {
	testCases := []struct {
		Kind             string
		Plural, Singular string
	}{
		{Kind: "Pod", Plural: "pods", Singular: "pod"},

		{Kind: "ReplicationController", Plural: "replicationcontrollers", Singular: "replicationcontroller"},

		// Add "ies" when ending with "y"
		{Kind: "ImageRepository", Plural: "imagerepositories", Singular: "imagerepository"},
		// Add "es" when ending with "s"
		{Kind: "miss", Plural: "misses", Singular: "miss"},
		// Add "s" otherwise
		{Kind: "lowercase", Plural: "lowercases", Singular: "lowercase"},
	}
	for i, testCase := range testCases {
		version := schema.GroupVersion{}

		plural, singular := KindToResource(version.WithKind(testCase.Kind))
		if singular != version.WithResource(testCase.Singular) || plural != version.WithResource(testCase.Plural) {
			t.Errorf("%d: unexpected plural and singular: %v %v", i, plural, singular)
		}
	}
}
Example #5
0
func TestExternalToInternalMapping(t *testing.T) {
	internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
	externalGV := schema.GroupVersion{Group: "test.group", Version: "testExternal"}

	scheme := runtime.NewScheme()
	scheme.AddKnownTypeWithName(internalGV.WithKind("OptionalExtensionType"), &InternalOptionalExtensionType{})
	scheme.AddKnownTypeWithName(externalGV.WithKind("OptionalExtensionType"), &ExternalOptionalExtensionType{})

	codec := serializer.NewCodecFactory(scheme).LegacyCodec(externalGV)

	table := []struct {
		obj     runtime.Object
		encoded string
	}{
		{
			&InternalOptionalExtensionType{Extension: nil},
			`{"kind":"OptionalExtensionType","apiVersion":"` + externalGV.String() + `"}`,
		},
	}

	for i, item := range table {
		gotDecoded, err := runtime.Decode(codec, []byte(item.encoded))
		if err != nil {
			t.Errorf("unexpected error '%v' (%v)", err, item.encoded)
		} else if e, a := item.obj, gotDecoded; !reflect.DeepEqual(e, a) {
			t.Errorf("%d: unexpected objects:\n%s", i, diff.ObjectGoPrintSideBySide(e, a))
		}
	}
}
Example #6
0
func TestRESTMapperRESTMappingSelectsVersion(t *testing.T) {
	expectedGroupVersion1 := schema.GroupVersion{Group: "tgroup", Version: "test1"}
	expectedGroupVersion2 := schema.GroupVersion{Group: "tgroup", Version: "test2"}
	expectedGroupVersion3 := schema.GroupVersion{Group: "tgroup", Version: "test3"}
	internalObjectGK := schema.GroupKind{Group: "tgroup", Kind: "InternalObject"}
	otherObjectGK := schema.GroupKind{Group: "tgroup", Kind: "OtherObject"}

	mapper := NewDefaultRESTMapper([]schema.GroupVersion{expectedGroupVersion1, expectedGroupVersion2}, fakeInterfaces)
	mapper.Add(expectedGroupVersion1.WithKind("InternalObject"), RESTScopeNamespace)
	mapper.Add(expectedGroupVersion2.WithKind("OtherObject"), RESTScopeNamespace)

	// pick default matching object kind based on search order
	mapping, err := mapper.RESTMapping(otherObjectGK)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if mapping.Resource != "otherobjects" || mapping.GroupVersionKind.GroupVersion() != expectedGroupVersion2 {
		t.Errorf("unexpected mapping: %#v", mapping)
	}

	mapping, err = mapper.RESTMapping(internalObjectGK)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if mapping.Resource != "internalobjects" || mapping.GroupVersionKind.GroupVersion() != expectedGroupVersion1 {
		t.Errorf("unexpected mapping: %#v", mapping)
	}

	// mismatch of version
	mapping, err = mapper.RESTMapping(internalObjectGK, expectedGroupVersion2.Version)
	if err == nil {
		t.Errorf("unexpected non-error")
	}
	mapping, err = mapper.RESTMapping(otherObjectGK, expectedGroupVersion1.Version)
	if err == nil {
		t.Errorf("unexpected non-error")
	}

	// not in the search versions
	mapping, err = mapper.RESTMapping(otherObjectGK, expectedGroupVersion3.Version)
	if err == nil {
		t.Errorf("unexpected non-error")
	}

	// explicit search order
	mapping, err = mapper.RESTMapping(otherObjectGK, expectedGroupVersion3.Version, expectedGroupVersion1.Version)
	if err == nil {
		t.Errorf("unexpected non-error")
	}

	mapping, err = mapper.RESTMapping(otherObjectGK, expectedGroupVersion3.Version, expectedGroupVersion2.Version)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if mapping.Resource != "otherobjects" || mapping.GroupVersionKind.GroupVersion() != expectedGroupVersion2 {
		t.Errorf("unexpected mapping: %#v", mapping)
	}
}
Example #7
0
func TestMetaValues(t *testing.T) {
	internalGV := schema.GroupVersion{Group: "test.group", Version: "__internal"}
	externalGV := schema.GroupVersion{Group: "test.group", Version: "externalVersion"}

	s := runtime.NewScheme()
	s.AddKnownTypeWithName(internalGV.WithKind("Simple"), &InternalSimple{})
	s.AddKnownTypeWithName(externalGV.WithKind("Simple"), &ExternalSimple{})

	internalToExternalCalls := 0
	externalToInternalCalls := 0

	// Register functions to verify that scope.Meta() gets set correctly.
	err := s.AddConversionFuncs(
		func(in *InternalSimple, out *ExternalSimple, scope conversion.Scope) error {
			t.Logf("internal -> external")
			scope.Convert(&in.TestString, &out.TestString, 0)
			internalToExternalCalls++
			return nil
		},
		func(in *ExternalSimple, out *InternalSimple, scope conversion.Scope) error {
			t.Logf("external -> internal")
			scope.Convert(&in.TestString, &out.TestString, 0)
			externalToInternalCalls++
			return nil
		},
	)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	simple := &InternalSimple{
		TestString: "foo",
	}

	s.Log(t)

	out, err := s.ConvertToVersion(simple, externalGV)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	internal, err := s.ConvertToVersion(out, internalGV)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	if e, a := simple, internal; !reflect.DeepEqual(e, a) {
		t.Errorf("Expected:\n %#v,\n Got:\n %#v", e, a)
	}

	if e, a := 1, internalToExternalCalls; e != a {
		t.Errorf("Expected %v, got %v", e, a)
	}
	if e, a := 1, externalToInternalCalls; e != a {
		t.Errorf("Expected %v, got %v", e, a)
	}
}
Example #8
0
// RunExplain executes the appropriate steps to print a model's documentation
func RunExplain(f cmdutil.Factory, out, cmdErr io.Writer, cmd *cobra.Command, args []string) error {
	if len(args) == 0 {
		fmt.Fprint(cmdErr, "You must specify the type of resource to explain. ", valid_resources)
		return cmdutil.UsageError(cmd, "Required resource not specified.")
	}
	if len(args) > 1 {
		return cmdutil.UsageError(cmd, "We accept only this format: explain RESOURCE")
	}

	recursive := cmdutil.GetFlagBool(cmd, "recursive")
	apiVersionString := cmdutil.GetFlagString(cmd, "api-version")
	apiVersion := schema.GroupVersion{}

	mapper, _ := f.Object()
	// TODO: After we figured out the new syntax to separate group and resource, allow
	// the users to use it in explain (kubectl explain <group><syntax><resource>).
	// Refer to issue #16039 for why we do this. Refer to PR #15808 that used "/" syntax.
	inModel, fieldsPath, err := kubectl.SplitAndParseResourceRequest(args[0], mapper)
	if err != nil {
		return err
	}

	// TODO: We should deduce the group for a resource by discovering the supported resources at server.
	fullySpecifiedGVR, groupResource := schema.ParseResourceArg(inModel)
	gvk := schema.GroupVersionKind{}
	if fullySpecifiedGVR != nil {
		gvk, _ = mapper.KindFor(*fullySpecifiedGVR)
	}
	if gvk.Empty() {
		gvk, err = mapper.KindFor(groupResource.WithVersion(""))
		if err != nil {
			return err
		}
	}

	if len(apiVersionString) == 0 {
		groupMeta, err := api.Registry.Group(gvk.Group)
		if err != nil {
			return err
		}
		apiVersion = groupMeta.GroupVersion

	} else {
		apiVersion, err = schema.ParseGroupVersion(apiVersionString)
		if err != nil {
			return nil
		}
	}

	schema, err := f.SwaggerSchema(apiVersion.WithKind(gvk.Kind))
	if err != nil {
		return err
	}

	return kubectl.PrintModelDescription(inModel, fieldsPath, out, schema, recursive)
}
Example #9
0
func TestRESTMapperReportsErrorOnBadVersion(t *testing.T) {
	expectedGroupVersion1 := schema.GroupVersion{Group: "tgroup", Version: "test1"}
	expectedGroupVersion2 := schema.GroupVersion{Group: "tgroup", Version: "test2"}
	internalObjectGK := schema.GroupKind{Group: "tgroup", Kind: "InternalObject"}

	mapper := NewDefaultRESTMapper([]schema.GroupVersion{expectedGroupVersion1, expectedGroupVersion2}, unmatchedVersionInterfaces)
	mapper.Add(expectedGroupVersion1.WithKind("InternalObject"), RESTScopeNamespace)
	_, err := mapper.RESTMapping(internalObjectGK, expectedGroupVersion1.Version)
	if err == nil {
		t.Errorf("unexpected non-error")
	}
}
Example #10
0
// AddUnversionedTypes registers the provided types as "unversioned", which means that they follow special rules.
// Whenever an object of this type is serialized, it is serialized with the provided group version and is not
// converted. Thus unversioned objects are expected to remain backwards compatible forever, as if they were in an
// API group and version that would never be updated.
//
// TODO: there is discussion about removing unversioned and replacing it with objects that are manifest into
//   every version with particular schemas. Resolve this method at that point.
func (s *Scheme) AddUnversionedTypes(version schema.GroupVersion, types ...Object) {
	s.AddKnownTypes(version, types...)
	for _, obj := range types {
		t := reflect.TypeOf(obj).Elem()
		gvk := version.WithKind(t.Name())
		s.unversionedTypes[t] = gvk
		if _, ok := s.unversionedKinds[gvk.Kind]; ok {
			panic(fmt.Sprintf("%v has already been registered as unversioned kind %q - kind name must be unique", reflect.TypeOf(t), gvk.Kind))
		}
		s.unversionedKinds[gvk.Kind] = t
	}
}
Example #11
0
// AddToGroupVersion registers common meta types into schemas.
func AddToGroupVersion(scheme *runtime.Scheme, groupVersion schema.GroupVersion) {
	scheme.AddKnownTypeWithName(groupVersion.WithKind(WatchEventKind), &WatchEvent{})
	scheme.AddKnownTypeWithName(
		schema.GroupVersion{Group: groupVersion.Group, Version: runtime.APIVersionInternal}.WithKind(WatchEventKind),
		&InternalEvent{},
	)
	scheme.AddConversionFuncs(
		Convert_versioned_Event_to_watch_Event,
		Convert_versioned_InternalEvent_to_versioned_Event,
		Convert_watch_Event_to_versioned_Event,
		Convert_versioned_Event_to_versioned_InternalEvent,
	)
}
Example #12
0
func TestUnversionedTypes(t *testing.T) {
	internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
	externalGV := schema.GroupVersion{Group: "test.group", Version: "testExternal"}
	otherGV := schema.GroupVersion{Group: "group", Version: "other"}

	scheme := runtime.NewScheme()
	scheme.AddUnversionedTypes(externalGV, &InternalSimple{})
	scheme.AddKnownTypeWithName(internalGV.WithKind("Simple"), &InternalSimple{})
	scheme.AddKnownTypeWithName(externalGV.WithKind("Simple"), &ExternalSimple{})
	scheme.AddKnownTypeWithName(otherGV.WithKind("Simple"), &ExternalSimple{})

	codec := serializer.NewCodecFactory(scheme).LegacyCodec(externalGV)

	if unv, ok := scheme.IsUnversioned(&InternalSimple{}); !unv || !ok {
		t.Fatalf("type not unversioned and in scheme: %t %t", unv, ok)
	}

	kinds, _, err := scheme.ObjectKinds(&InternalSimple{})
	if err != nil {
		t.Fatal(err)
	}
	kind := kinds[0]
	if kind != externalGV.WithKind("InternalSimple") {
		t.Fatalf("unexpected: %#v", kind)
	}

	test := &InternalSimple{
		TestString: "I'm the same",
	}
	obj := runtime.Object(test)
	data, err := runtime.Encode(codec, obj)
	if err != nil {
		t.Fatal(err)
	}
	obj2, gvk, err := codec.Decode(data, nil, nil)
	if err != nil {
		t.Fatal(err)
	}
	if _, ok := obj2.(*InternalSimple); !ok {
		t.Fatalf("Got wrong type")
	}
	if !reflect.DeepEqual(obj2, test) {
		t.Errorf("Expected:\n %#v,\n Got:\n %#v", test, obj2)
	}
	// object is serialized as an unversioned object (in the group and version it was defined in)
	if !reflect.DeepEqual(gvk, &schema.GroupVersionKind{Group: "test.group", Version: "testExternal", Kind: "InternalSimple"}) {
		t.Errorf("unexpected gvk returned by decode: %#v", gvk)
	}

	// when serialized to a different group, the object is kept in its preferred name
	codec = serializer.NewCodecFactory(scheme).LegacyCodec(otherGV)
	data, err = runtime.Encode(codec, obj)
	if err != nil {
		t.Fatal(err)
	}
	if string(data) != `{"apiVersion":"test.group/testExternal","kind":"InternalSimple","testString":"I'm the same"}`+"\n" {
		t.Errorf("unexpected data: %s", data)
	}
}
Example #13
0
// NewUnstructuredObjectTyper returns a runtime.ObjectTyper for
// unstructred objects based on discovery information.
func NewUnstructuredObjectTyper(groupResources []*APIGroupResources) *UnstructuredObjectTyper {
	dot := &UnstructuredObjectTyper{registered: make(map[schema.GroupVersionKind]bool)}
	for _, group := range groupResources {
		for _, discoveryVersion := range group.Group.Versions {
			resources, ok := group.VersionedResources[discoveryVersion.Version]
			if !ok {
				continue
			}

			gv := schema.GroupVersion{Group: group.Group.Name, Version: discoveryVersion.Version}
			for _, resource := range resources {
				dot.registered[gv.WithKind(resource.Kind)] = true
			}
		}
	}
	return dot
}
Example #14
0
// AddKnownTypes registers all types passed in 'types' as being members of version 'version'.
// All objects passed to types should be pointers to structs. The name that go reports for
// the struct becomes the "kind" field when encoding. Version may not be empty - use the
// APIVersionInternal constant if you have a type that does not have a formal version.
func (s *Scheme) AddKnownTypes(gv schema.GroupVersion, types ...Object) {
	if len(gv.Version) == 0 {
		panic(fmt.Sprintf("version is required on all types: %s %v", gv, types[0]))
	}
	for _, obj := range types {
		t := reflect.TypeOf(obj)
		if t.Kind() != reflect.Ptr {
			panic("All types must be pointers to structs.")
		}
		t = t.Elem()
		if t.Kind() != reflect.Struct {
			panic("All types must be pointers to structs.")
		}

		gvk := gv.WithKind(t.Name())
		s.gvkToType[gvk] = t
		s.typeToGVK[t] = append(s.typeToGVK[t], gvk)
	}
}
Example #15
0
func TestRESTMapper(t *testing.T) {
	gv := schema.GroupVersion{Group: "", Version: "v1"}
	rcGVK := gv.WithKind("ReplicationController")
	podTemplateGVK := gv.WithKind("PodTemplate")

	if gvk, err := internal.Registry.RESTMapper().KindFor(internal.SchemeGroupVersion.WithResource("replicationcontrollers")); err != nil || gvk != rcGVK {
		t.Errorf("unexpected version mapping: %v %v", gvk, err)
	}

	if m, err := internal.Registry.GroupOrDie(internal.GroupName).RESTMapper.RESTMapping(podTemplateGVK.GroupKind(), ""); err != nil || m.GroupVersionKind != podTemplateGVK || m.Resource != "podtemplates" {
		t.Errorf("unexpected version mapping: %#v %v", m, err)
	}

	for _, version := range internal.Registry.GroupOrDie(internal.GroupName).GroupVersions {
		mapping, err := internal.Registry.GroupOrDie(internal.GroupName).RESTMapper.RESTMapping(rcGVK.GroupKind(), version.Version)
		if err != nil {
			t.Errorf("unexpected error: %v", err)
		}

		if mapping.Resource != "replicationControllers" && mapping.Resource != "replicationcontrollers" {
			t.Errorf("incorrect resource name: %#v", mapping)
		}
		if mapping.GroupVersionKind.GroupVersion() != version {
			t.Errorf("incorrect version: %v", mapping)
		}

		interfaces, _ := internal.Registry.GroupOrDie(internal.GroupName).InterfacesFor(version)
		if mapping.ObjectConvertor != interfaces.ObjectConvertor {
			t.Errorf("unexpected: %#v, expected: %#v", mapping, interfaces)
		}

		rc := &internal.ReplicationController{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}
		name, err := mapping.MetadataAccessor.Name(rc)
		if err != nil {
			t.Errorf("unexpected error: %v", err)
		}
		if name != "foo" {
			t.Errorf("unable to retrieve object meta with: %v", mapping.MetadataAccessor)
		}
	}
}
Example #16
0
// DecodeParameters converts the provided url.Values into an object of type From with the kind of into, and then
// converts that object to into (if necessary). Returns an error if the operation cannot be completed.
func (c *parameterCodec) DecodeParameters(parameters url.Values, from schema.GroupVersion, into Object) error {
	if len(parameters) == 0 {
		return nil
	}
	targetGVKs, _, err := c.typer.ObjectKinds(into)
	if err != nil {
		return err
	}
	targetGVK := targetGVKs[0]
	if targetGVK.GroupVersion() == from {
		return c.convertor.Convert(&parameters, into, nil)
	}
	input, err := c.creator.New(from.WithKind(targetGVK.Kind))
	if err != nil {
		return err
	}
	if err := c.convertor.Convert(&parameters, input, nil); err != nil {
		return err
	}
	return c.convertor.Convert(input, into, nil)
}
Example #17
0
// TestDeepCopyOfRuntimeObject checks to make sure that runtime.Objects's can be passed through DeepCopy with fidelity
func TestDeepCopyOfRuntimeObject(t *testing.T) {
	internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
	externalGV := schema.GroupVersion{Group: "test.group", Version: "v1test"}
	embeddedTestExternalGVK := externalGV.WithKind("EmbeddedTest")

	s := runtime.NewScheme()
	s.AddKnownTypes(internalGV, &EmbeddedTest{})
	s.AddKnownTypeWithName(embeddedTestExternalGVK, &EmbeddedTestExternal{})

	original := &EmbeddedTest{
		ID: "outer",
		Object: &EmbeddedTest{
			ID: "inner",
		},
	}

	codec := serializer.NewCodecFactory(s).LegacyCodec(externalGV)

	originalData, err := runtime.Encode(codec, original)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	t.Logf("originalRole = %v\n", string(originalData))

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

	copiedData, err := runtime.Encode(codec, copyOfOriginal.(runtime.Object))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	t.Logf("copyOfRole   = %v\n", string(copiedData))

	if !reflect.DeepEqual(original, copyOfOriginal) {
		t.Errorf("expected \n%v\n, got \n%v", string(originalData), string(copiedData))
	}
}
Example #18
0
func TestRESTMapperVersionAndKindForResource(t *testing.T) {
	testGroup := "test.group"
	testVersion := "test"
	testGroupVersion := schema.GroupVersion{Group: testGroup, Version: testVersion}

	testCases := []struct {
		Resource               schema.GroupVersionResource
		GroupVersionToRegister schema.GroupVersion
		ExpectedGVK            schema.GroupVersionKind
		Err                    bool
	}{
		{Resource: schema.GroupVersionResource{Resource: "internalobjec"}, Err: true},
		{Resource: schema.GroupVersionResource{Resource: "internalObjec"}, Err: true},

		{Resource: schema.GroupVersionResource{Resource: "internalobject"}, ExpectedGVK: testGroupVersion.WithKind("InternalObject")},
		{Resource: schema.GroupVersionResource{Resource: "internalobjects"}, ExpectedGVK: testGroupVersion.WithKind("InternalObject")},
	}
	for i, testCase := range testCases {
		mapper := NewDefaultRESTMapper([]schema.GroupVersion{testGroupVersion}, fakeInterfaces)
		if len(testCase.ExpectedGVK.Kind) != 0 {
			mapper.Add(testCase.ExpectedGVK, RESTScopeNamespace)
		}
		actualGVK, err := mapper.KindFor(testCase.Resource)

		hasErr := err != nil
		if hasErr != testCase.Err {
			t.Errorf("%d: unexpected error behavior %t: %v", i, testCase.Err, err)
			continue
		}
		if err != nil {
			continue
		}

		if actualGVK != testCase.ExpectedGVK {
			t.Errorf("%d: unexpected version and kind: e=%s a=%s", i, testCase.ExpectedGVK, actualGVK)
		}
	}
}
Example #19
0
// Returns a new Scheme set up with the test objects.
func GetTestScheme() *runtime.Scheme {
	internalGV := schema.GroupVersion{Version: "__internal"}
	externalGV := schema.GroupVersion{Version: "v1"}
	alternateExternalGV := schema.GroupVersion{Group: "custom", Version: "v1"}
	differentExternalGV := schema.GroupVersion{Group: "other", Version: "v2"}

	s := runtime.NewScheme()
	// Ordinarily, we wouldn't add TestType2, but because this is a test and
	// both types are from the same package, we need to get it into the system
	// so that converter will match it with ExternalType2.
	s.AddKnownTypes(internalGV, &TestType1{}, &TestType2{}, &ExternalInternalSame{})
	s.AddKnownTypes(externalGV, &ExternalInternalSame{})
	s.AddKnownTypeWithName(externalGV.WithKind("TestType1"), &ExternalTestType1{})
	s.AddKnownTypeWithName(externalGV.WithKind("TestType2"), &ExternalTestType2{})
	s.AddKnownTypeWithName(internalGV.WithKind("TestType3"), &TestType1{})
	s.AddKnownTypeWithName(externalGV.WithKind("TestType3"), &ExternalTestType1{})
	s.AddKnownTypeWithName(externalGV.WithKind("TestType4"), &ExternalTestType1{})
	s.AddKnownTypeWithName(alternateExternalGV.WithKind("TestType3"), &ExternalTestType1{})
	s.AddKnownTypeWithName(alternateExternalGV.WithKind("TestType5"), &ExternalTestType1{})
	s.AddKnownTypeWithName(differentExternalGV.WithKind("TestType1"), &ExternalTestType1{})
	s.AddUnversionedTypes(externalGV, &UnversionedType{})
	return s
}
Example #20
0
func TestThirdPartyResourceDataListEncoding(t *testing.T) {
	gv := schema.GroupVersion{Group: "stable.foo.faz", Version: "v1"}
	gvk := gv.WithKind("Bar")
	e := &thirdPartyResourceDataEncoder{delegate: testapi.Extensions.Codec(), gvk: gvk}
	subject := &extensions.ThirdPartyResourceDataList{}

	buf := bytes.NewBuffer([]byte{})
	err := e.Encode(subject, buf)
	if err != nil {
		t.Errorf("encoding unexpected error: %v", err)
	}

	targetOutput := struct {
		Kind       string            `json:"kind,omitempty"`
		Items      []json.RawMessage `json:"items"`
		Metadata   metav1.ListMeta   `json:"metadata,omitempty"`
		APIVersion string            `json:"apiVersion,omitempty"`
	}{}
	err = json.Unmarshal(buf.Bytes(), &targetOutput)

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

	if expectedKind := gvk.Kind + "List"; expectedKind != targetOutput.Kind {
		t.Errorf("unexpected kind on list got %s expected %s", targetOutput.Kind, expectedKind)
	}

	if targetOutput.Metadata != subject.ListMeta {
		t.Errorf("metadata mismatch %v != %v", targetOutput.Metadata, subject.ListMeta)
	}

	if targetOutput.APIVersion != gv.String() {
		t.Errorf("apiversion mismatch %v != %v", targetOutput.APIVersion, gv.String())
	}

}
Example #21
0
func TestConvertTypesWhenDefaultNamesMatch(t *testing.T) {
	internalGV := schema.GroupVersion{Version: runtime.APIVersionInternal}
	externalGV := schema.GroupVersion{Version: "v1"}

	s := runtime.NewScheme()
	// create two names internally, with TestType1 being preferred
	s.AddKnownTypeWithName(internalGV.WithKind("TestType1"), &TestType1{})
	s.AddKnownTypeWithName(internalGV.WithKind("OtherType1"), &TestType1{})
	// create two names externally, with TestType1 being preferred
	s.AddKnownTypeWithName(externalGV.WithKind("TestType1"), &ExternalTestType1{})
	s.AddKnownTypeWithName(externalGV.WithKind("OtherType1"), &ExternalTestType1{})

	ext := &ExternalTestType1{}
	ext.APIVersion = "v1"
	ext.ObjectKind = "OtherType1"
	ext.A = "test"
	data, err := json.Marshal(ext)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	expect := &TestType1{A: "test"}

	codec := newCodecFactory(s, newSerializersForScheme(s, testMetaFactory{})).LegacyCodec(schema.GroupVersion{Version: "v1"})

	obj, err := runtime.Decode(codec, data)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if !semantic.DeepEqual(expect, obj) {
		t.Errorf("unexpected object: %#v", obj)
	}

	into := &TestType1{}
	if err := runtime.DecodeInto(codec, data, into); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if !semantic.DeepEqual(expect, into) {
		t.Errorf("unexpected object: %#v", obj)
	}
}
Example #22
0
// Returns a new Scheme set up with the test objects.
func GetTestScheme() (*runtime.Scheme, runtime.Codec) {
	internalGV := schema.GroupVersion{Version: runtime.APIVersionInternal}
	externalGV := schema.GroupVersion{Version: "v1"}
	externalGV2 := schema.GroupVersion{Version: "v2"}

	s := runtime.NewScheme()
	// Ordinarily, we wouldn't add TestType2, but because this is a test and
	// both types are from the same package, we need to get it into the system
	// so that converter will match it with ExternalType2.
	s.AddKnownTypes(internalGV, &TestType1{}, &TestType2{}, &ExternalInternalSame{})
	s.AddKnownTypes(externalGV, &ExternalInternalSame{})
	s.AddKnownTypeWithName(externalGV.WithKind("TestType1"), &ExternalTestType1{})
	s.AddKnownTypeWithName(externalGV.WithKind("TestType2"), &ExternalTestType2{})
	s.AddKnownTypeWithName(internalGV.WithKind("TestType3"), &TestType1{})
	s.AddKnownTypeWithName(externalGV.WithKind("TestType3"), &ExternalTestType1{})
	s.AddKnownTypeWithName(externalGV2.WithKind("TestType1"), &ExternalTestType1{})

	s.AddUnversionedTypes(externalGV, &metav1.Status{})

	cf := newCodecFactory(s, newSerializersForScheme(s, testMetaFactory{}))
	codec := cf.LegacyCodec(schema.GroupVersion{Version: "v1"})
	return s, codec
}
Example #23
0
func TestStringMapConversion(t *testing.T) {
	internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
	externalGV := schema.GroupVersion{Group: "test.group", Version: "external"}

	scheme := runtime.NewScheme()
	scheme.Log(t)
	scheme.AddKnownTypeWithName(internalGV.WithKind("Complex"), &InternalComplex{})
	scheme.AddKnownTypeWithName(externalGV.WithKind("Complex"), &ExternalComplex{})

	testCases := map[string]struct {
		input    map[string][]string
		errFn    func(error) bool
		expected runtime.Object
	}{
		"ignores omitempty": {
			input: map[string][]string{
				"String":    {"not_used"},
				"string":    {"value"},
				"int":       {"1"},
				"Integer64": {"2"},
			},
			expected: &ExternalComplex{String: "value", Integer: 1},
		},
		"returns error on bad int": {
			input: map[string][]string{
				"int": {"a"},
			},
			errFn:    func(err error) bool { return err != nil },
			expected: &ExternalComplex{},
		},
		"parses int64": {
			input: map[string][]string{
				"Int64": {"-1"},
			},
			expected: &ExternalComplex{Int64: -1},
		},
		"returns error on bad int64": {
			input: map[string][]string{
				"Int64": {"a"},
			},
			errFn:    func(err error) bool { return err != nil },
			expected: &ExternalComplex{},
		},
		"parses boolean true": {
			input: map[string][]string{
				"bool": {"true"},
			},
			expected: &ExternalComplex{Bool: true},
		},
		"parses boolean any value": {
			input: map[string][]string{
				"bool": {"foo"},
			},
			expected: &ExternalComplex{Bool: true},
		},
		"parses boolean false": {
			input: map[string][]string{
				"bool": {"false"},
			},
			expected: &ExternalComplex{Bool: false},
		},
		"parses boolean empty value": {
			input: map[string][]string{
				"bool": {""},
			},
			expected: &ExternalComplex{Bool: true},
		},
		"parses boolean no value": {
			input: map[string][]string{
				"bool": {},
			},
			expected: &ExternalComplex{Bool: false},
		},
	}

	for k, tc := range testCases {
		out := &ExternalComplex{}
		if err := scheme.Convert(&tc.input, out, nil); (tc.errFn == nil && err != nil) || (tc.errFn != nil && !tc.errFn(err)) {
			t.Errorf("%s: unexpected error: %v", k, err)
			continue
		} else if err != nil {
			continue
		}
		if !reflect.DeepEqual(out, tc.expected) {
			t.Errorf("%s: unexpected output: %#v", k, out)
		}
	}
}
Example #24
0
func TestRESTMapperRESTMapping(t *testing.T) {
	testGroup := "tgroup"
	testGroupVersion := schema.GroupVersion{Group: testGroup, Version: "test"}
	internalGroupVersion := schema.GroupVersion{Group: testGroup, Version: "test"}

	testCases := []struct {
		Kind             string
		APIGroupVersions []schema.GroupVersion
		DefaultVersions  []schema.GroupVersion

		Resource             string
		ExpectedGroupVersion *schema.GroupVersion
		Err                  bool
	}{
		{Kind: "Unknown", Err: true},
		{Kind: "InternalObject", Err: true},

		{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "Unknown", Err: true},

		{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []schema.GroupVersion{{Group: testGroup, Version: "test"}}, Resource: "internalobjects"},
		{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []schema.GroupVersion{{Group: testGroup, Version: "test"}}, Resource: "internalobjects"},

		{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []schema.GroupVersion{{Group: testGroup, Version: "test"}}, Resource: "internalobjects"},

		{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []schema.GroupVersion{}, Resource: "internalobjects", ExpectedGroupVersion: &schema.GroupVersion{Group: testGroup, Version: "test"}},

		{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []schema.GroupVersion{{Group: testGroup, Version: "test"}}, Resource: "internalobjects"},

		// TODO: add test for a resource that exists in one version but not another
	}
	for i, testCase := range testCases {
		mapper := NewDefaultRESTMapper(testCase.DefaultVersions, fakeInterfaces)
		mapper.Add(internalGroupVersion.WithKind("InternalObject"), RESTScopeNamespace)

		preferredVersions := []string{}
		for _, gv := range testCase.APIGroupVersions {
			preferredVersions = append(preferredVersions, gv.Version)
		}
		gk := schema.GroupKind{Group: testGroup, Kind: testCase.Kind}

		mapping, err := mapper.RESTMapping(gk, preferredVersions...)
		hasErr := err != nil
		if hasErr != testCase.Err {
			t.Errorf("%d: unexpected error behavior %t: %v", i, testCase.Err, err)
		}
		if hasErr {
			continue
		}
		if mapping.Resource != testCase.Resource {
			t.Errorf("%d: unexpected resource: %#v", i, mapping)
		}

		if mapping.MetadataAccessor == nil || mapping.ObjectConvertor == nil {
			t.Errorf("%d: missing codec and accessor: %#v", i, mapping)
		}

		groupVersion := testCase.ExpectedGroupVersion
		if groupVersion == nil {
			groupVersion = &testCase.APIGroupVersions[0]
		}
		if mapping.GroupVersionKind.GroupVersion() != *groupVersion {
			t.Errorf("%d: unexpected version: %#v", i, mapping)
		}

	}
}
Example #25
0
// NewRESTMapper returns a PriorityRESTMapper based on the discovered
// groups and resources passed in.
func NewRESTMapper(groupResources []*APIGroupResources, versionInterfaces meta.VersionInterfacesFunc) meta.RESTMapper {
	unionMapper := meta.MultiRESTMapper{}

	var groupPriority []string
	var resourcePriority []schema.GroupVersionResource
	var kindPriority []schema.GroupVersionKind

	for _, group := range groupResources {
		groupPriority = append(groupPriority, group.Group.Name)

		if len(group.Group.PreferredVersion.Version) != 0 {
			preferred := group.Group.PreferredVersion.Version
			if _, ok := group.VersionedResources[preferred]; ok {
				resourcePriority = append(resourcePriority, schema.GroupVersionResource{
					Group:    group.Group.Name,
					Version:  group.Group.PreferredVersion.Version,
					Resource: meta.AnyResource,
				})

				kindPriority = append(kindPriority, schema.GroupVersionKind{
					Group:   group.Group.Name,
					Version: group.Group.PreferredVersion.Version,
					Kind:    meta.AnyKind,
				})
			}
		}

		for _, discoveryVersion := range group.Group.Versions {
			resources, ok := group.VersionedResources[discoveryVersion.Version]
			if !ok {
				continue
			}

			gv := schema.GroupVersion{Group: group.Group.Name, Version: discoveryVersion.Version}
			versionMapper := meta.NewDefaultRESTMapper([]schema.GroupVersion{gv}, versionInterfaces)

			for _, resource := range resources {
				scope := meta.RESTScopeNamespace
				if !resource.Namespaced {
					scope = meta.RESTScopeRoot
				}
				versionMapper.Add(gv.WithKind(resource.Kind), scope)
				// TODO only do this if it supports listing
				versionMapper.Add(gv.WithKind(resource.Kind+"List"), scope)
			}
			// TODO why is this type not in discovery (at least for "v1")
			versionMapper.Add(gv.WithKind("List"), meta.RESTScopeRoot)
			unionMapper = append(unionMapper, versionMapper)
		}
	}

	for _, group := range groupPriority {
		resourcePriority = append(resourcePriority, schema.GroupVersionResource{
			Group:    group,
			Version:  meta.AnyVersion,
			Resource: meta.AnyResource,
		})
		kindPriority = append(kindPriority, schema.GroupVersionKind{
			Group:   group,
			Version: meta.AnyVersion,
			Kind:    meta.AnyKind,
		})
	}

	return meta.PriorityRESTMapper{
		Delegate:         unionMapper,
		ResourcePriority: resourcePriority,
		KindPriority:     kindPriority,
	}
}
Example #26
0
func TestArrayOfRuntimeObject(t *testing.T) {
	internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
	externalGV := schema.GroupVersion{Group: "test.group", Version: "v1test"}

	s := runtime.NewScheme()
	s.AddKnownTypes(internalGV, &EmbeddedTest{})
	s.AddKnownTypeWithName(externalGV.WithKind("EmbeddedTest"), &EmbeddedTestExternal{})
	s.AddKnownTypes(internalGV, &ObjectTest{})
	s.AddKnownTypeWithName(externalGV.WithKind("ObjectTest"), &ObjectTestExternal{})

	codec := serializer.NewCodecFactory(s).LegacyCodec(externalGV)

	innerItems := []runtime.Object{
		&EmbeddedTest{ID: "baz"},
	}
	items := []runtime.Object{
		&EmbeddedTest{ID: "foo"},
		&EmbeddedTest{ID: "bar"},
		// TODO: until YAML is removed, this JSON must be in ascending key order to ensure consistent roundtrip serialization
		&runtime.Unknown{
			Raw:         []byte(`{"apiVersion":"unknown.group/unknown","foo":"bar","kind":"OtherTest"}`),
			ContentType: runtime.ContentTypeJSON,
		},
		&ObjectTest{
			Items: runtime.NewEncodableList(codec, innerItems),
		},
	}
	internal := &ObjectTest{
		Items: runtime.NewEncodableList(codec, items),
	}
	wire, err := runtime.Encode(codec, internal)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	t.Logf("Wire format is:\n%s\n", string(wire))

	obj := &ObjectTestExternal{}
	if err := json.Unmarshal(wire, obj); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	t.Logf("exact wire is: %s", string(obj.Items[0].Raw))

	items[3] = &ObjectTest{Items: innerItems}
	internal.Items = items

	decoded, err := runtime.Decode(codec, wire)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	list, err := meta.ExtractList(decoded)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if errs := runtime.DecodeList(list, codec); len(errs) > 0 {
		t.Fatalf("unexpected error: %v", errs)
	}

	list2, err := meta.ExtractList(list[3])
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if errs := runtime.DecodeList(list2, codec); len(errs) > 0 {
		t.Fatalf("unexpected error: %v", errs)
	}
	if err := meta.SetList(list[3], list2); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// we want DecodeList to set type meta if possible, even on runtime.Unknown objects
	internal.Items[2].(*runtime.Unknown).TypeMeta = runtime.TypeMeta{Kind: "OtherTest", APIVersion: "unknown.group/unknown"}
	if e, a := internal.Items, list; !reflect.DeepEqual(e, a) {
		t.Errorf("mismatched decoded: %s", diff.ObjectGoPrintSideBySide(e, a))
	}
}
Example #27
0
func TestScheme(t *testing.T) {
	internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
	externalGV := schema.GroupVersion{Group: "test.group", Version: "testExternal"}

	scheme := runtime.NewScheme()
	scheme.AddKnownTypeWithName(internalGV.WithKind("Simple"), &InternalSimple{})
	scheme.AddKnownTypeWithName(externalGV.WithKind("Simple"), &ExternalSimple{})

	// If set, would clear TypeMeta during conversion.
	//scheme.AddIgnoredConversionType(&TypeMeta{}, &TypeMeta{})

	// test that scheme is an ObjectTyper
	var _ runtime.ObjectTyper = scheme

	internalToExternalCalls := 0
	externalToInternalCalls := 0

	// Register functions to verify that scope.Meta() gets set correctly.
	err := scheme.AddConversionFuncs(
		func(in *InternalSimple, out *ExternalSimple, scope conversion.Scope) error {
			scope.Convert(&in.TypeMeta, &out.TypeMeta, 0)
			scope.Convert(&in.TestString, &out.TestString, 0)
			internalToExternalCalls++
			return nil
		},
		func(in *ExternalSimple, out *InternalSimple, scope conversion.Scope) error {
			scope.Convert(&in.TypeMeta, &out.TypeMeta, 0)
			scope.Convert(&in.TestString, &out.TestString, 0)
			externalToInternalCalls++
			return nil
		},
	)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	codecs := serializer.NewCodecFactory(scheme)
	codec := codecs.LegacyCodec(externalGV)
	info, _ := runtime.SerializerInfoForMediaType(codecs.SupportedMediaTypes(), runtime.ContentTypeJSON)
	jsonserializer := info.Serializer

	simple := &InternalSimple{
		TestString: "foo",
	}

	// Test Encode, Decode, DecodeInto, and DecodeToVersion
	obj := runtime.Object(simple)
	data, err := runtime.Encode(codec, obj)
	if err != nil {
		t.Fatal(err)
	}

	obj2, err := runtime.Decode(codec, data)
	if err != nil {
		t.Fatal(err)
	}
	if _, ok := obj2.(*InternalSimple); !ok {
		t.Fatalf("Got wrong type")
	}
	if e, a := simple, obj2; !reflect.DeepEqual(e, a) {
		t.Errorf("Expected:\n %#v,\n Got:\n %#v", e, a)
	}

	obj3 := &InternalSimple{}
	if err := runtime.DecodeInto(codec, data, obj3); err != nil {
		t.Fatal(err)
	}
	// clearing TypeMeta is a function of the scheme, which we do not test here (ConvertToVersion
	// does not automatically clear TypeMeta anymore).
	simple.TypeMeta = runtime.TypeMeta{Kind: "Simple", APIVersion: externalGV.String()}
	if e, a := simple, obj3; !reflect.DeepEqual(e, a) {
		t.Errorf("Expected:\n %#v,\n Got:\n %#v", e, a)
	}

	obj4, err := runtime.Decode(jsonserializer, data)
	if err != nil {
		t.Fatal(err)
	}
	if _, ok := obj4.(*ExternalSimple); !ok {
		t.Fatalf("Got wrong type")
	}

	// Test Convert
	external := &ExternalSimple{}
	err = scheme.Convert(simple, external, nil)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	if e, a := simple.TestString, external.TestString; e != a {
		t.Errorf("Expected %v, got %v", e, a)
	}

	// Encode and Convert should each have caused an increment.
	if e, a := 2, internalToExternalCalls; e != a {
		t.Errorf("Expected %v, got %v", e, a)
	}
	// DecodeInto and Decode should each have caused an increment because of a conversion
	if e, a := 2, externalToInternalCalls; e != a {
		t.Errorf("Expected %v, got %v", e, a)
	}
}
Example #28
0
func TestNestedObject(t *testing.T) {
	internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
	externalGV := schema.GroupVersion{Group: "test.group", Version: "v1test"}
	embeddedTestExternalGVK := externalGV.WithKind("EmbeddedTest")

	s := runtime.NewScheme()
	s.AddKnownTypes(internalGV, &EmbeddedTest{})
	s.AddKnownTypeWithName(embeddedTestExternalGVK, &EmbeddedTestExternal{})

	codec := serializer.NewCodecFactory(s).LegacyCodec(externalGV)

	inner := &EmbeddedTest{
		ID: "inner",
	}
	outer := &EmbeddedTest{
		ID:     "outer",
		Object: runtime.NewEncodable(codec, inner),
	}

	wire, err := runtime.Encode(codec, outer)
	if err != nil {
		t.Fatalf("Unexpected encode error '%v'", err)
	}

	t.Logf("Wire format is:\n%v\n", string(wire))

	decoded, err := runtime.Decode(codec, wire)
	if err != nil {
		t.Fatalf("Unexpected decode error %v", err)
	}

	// for later tests
	outer.Object = inner

	if e, a := outer, decoded; reflect.DeepEqual(e, a) {
		t.Errorf("Expected unequal %#v %#v", e, a)
	}

	obj, err := runtime.Decode(codec, decoded.(*EmbeddedTest).Object.(*runtime.Unknown).Raw)
	if err != nil {
		t.Fatal(err)
	}
	decoded.(*EmbeddedTest).Object = obj
	if e, a := outer, decoded; !reflect.DeepEqual(e, a) {
		t.Errorf("Expected equal %#v %#v", e, a)
	}

	// test JSON decoding of the external object, which should preserve
	// raw bytes
	var externalViaJSON EmbeddedTestExternal
	err = json.Unmarshal(wire, &externalViaJSON)
	if err != nil {
		t.Fatalf("Unexpected decode error %v", err)
	}
	if externalViaJSON.Kind == "" || externalViaJSON.APIVersion == "" || externalViaJSON.ID != "outer" {
		t.Errorf("Expected objects to have type info set, got %#v", externalViaJSON)
	}
	if !reflect.DeepEqual(externalViaJSON.EmptyObject.Raw, []byte("null")) || len(externalViaJSON.Object.Raw) == 0 {
		t.Errorf("Expected deserialization of nested objects into bytes, got %#v", externalViaJSON)
	}

	// test JSON decoding, too, since Decode uses yaml unmarshalling.
	// Generic Unmarshalling of JSON cannot load the nested objects because there is
	// no default schema set.  Consumers wishing to get direct JSON decoding must use
	// the external representation
	var decodedViaJSON EmbeddedTest
	err = json.Unmarshal(wire, &decodedViaJSON)
	if err == nil || !strings.Contains(err.Error(), "unmarshal object into Go value of type runtime.Object") {
		t.Fatalf("Unexpected decode error %v", err)
	}
	if a := decodedViaJSON; a.Object != nil || a.EmptyObject != nil {
		t.Errorf("Expected embedded objects to be nil: %#v", a)
	}
}
Example #29
0
func TestExtensionMapping(t *testing.T) {
	internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
	externalGV := schema.GroupVersion{Group: "test.group", Version: "testExternal"}

	scheme := runtime.NewScheme()
	scheme.AddKnownTypeWithName(internalGV.WithKind("ExtensionType"), &InternalExtensionType{})
	scheme.AddKnownTypeWithName(internalGV.WithKind("OptionalExtensionType"), &InternalOptionalExtensionType{})
	scheme.AddKnownTypeWithName(externalGV.WithKind("ExtensionType"), &ExternalExtensionType{})
	scheme.AddKnownTypeWithName(externalGV.WithKind("OptionalExtensionType"), &ExternalOptionalExtensionType{})

	// register external first when the object is the same in both schemes, so ObjectVersionAndKind reports the
	// external version.
	scheme.AddKnownTypeWithName(externalGV.WithKind("A"), &ExtensionA{})
	scheme.AddKnownTypeWithName(externalGV.WithKind("B"), &ExtensionB{})
	scheme.AddKnownTypeWithName(internalGV.WithKind("A"), &ExtensionA{})
	scheme.AddKnownTypeWithName(internalGV.WithKind("B"), &ExtensionB{})

	codec := serializer.NewCodecFactory(scheme).LegacyCodec(externalGV)

	table := []struct {
		obj      runtime.Object
		expected runtime.Object
		encoded  string
	}{
		{
			&InternalExtensionType{
				Extension: runtime.NewEncodable(codec, &ExtensionA{TestString: "foo"}),
			},
			&InternalExtensionType{
				Extension: &runtime.Unknown{
					Raw:         []byte(`{"apiVersion":"test.group/testExternal","kind":"A","testString":"foo"}`),
					ContentType: runtime.ContentTypeJSON,
				},
			},
			// apiVersion is set in the serialized object for easier consumption by clients
			`{"apiVersion":"` + externalGV.String() + `","kind":"ExtensionType","extension":{"apiVersion":"test.group/testExternal","kind":"A","testString":"foo"}}
`,
		}, {
			&InternalExtensionType{Extension: runtime.NewEncodable(codec, &ExtensionB{TestString: "bar"})},
			&InternalExtensionType{
				Extension: &runtime.Unknown{
					Raw:         []byte(`{"apiVersion":"test.group/testExternal","kind":"B","testString":"bar"}`),
					ContentType: runtime.ContentTypeJSON,
				},
			},
			// apiVersion is set in the serialized object for easier consumption by clients
			`{"apiVersion":"` + externalGV.String() + `","kind":"ExtensionType","extension":{"apiVersion":"test.group/testExternal","kind":"B","testString":"bar"}}
`,
		}, {
			&InternalExtensionType{Extension: nil},
			&InternalExtensionType{
				Extension: nil,
			},
			`{"apiVersion":"` + externalGV.String() + `","kind":"ExtensionType","extension":null}
`,
		},
	}

	for i, item := range table {
		gotEncoded, err := runtime.Encode(codec, item.obj)
		if err != nil {
			t.Errorf("unexpected error '%v' (%#v)", err, item.obj)
		} else if e, a := item.encoded, string(gotEncoded); e != a {
			t.Errorf("expected\n%#v\ngot\n%#v\n", e, a)
		}

		gotDecoded, err := runtime.Decode(codec, []byte(item.encoded))
		if err != nil {
			t.Errorf("unexpected error '%v' (%v)", err, item.encoded)
		} else if e, a := item.expected, gotDecoded; !reflect.DeepEqual(e, a) {
			t.Errorf("%d: unexpected objects:\n%s", i, diff.ObjectGoPrintSideBySide(e, a))
		}
	}
}