926 lines
34 KiB
Go
926 lines
34 KiB
Go
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/*
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Copyright 2014 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package runtime_test
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import (
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"reflect"
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"strings"
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"testing"
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"github.com/google/gofuzz"
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flag "github.com/spf13/pflag"
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"k8s.io/apimachinery/pkg/conversion"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/runtime/serializer"
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"k8s.io/apimachinery/pkg/util/diff"
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)
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var fuzzIters = flag.Int("fuzz-iters", 50, "How many fuzzing iterations to do.")
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type InternalSimple struct {
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runtime.TypeMeta `json:",inline"`
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TestString string `json:"testString"`
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}
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type ExternalSimple struct {
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runtime.TypeMeta `json:",inline"`
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TestString string `json:"testString"`
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}
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func (obj *InternalSimple) GetObjectKind() schema.ObjectKind { return &obj.TypeMeta }
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func (obj *ExternalSimple) GetObjectKind() schema.ObjectKind { return &obj.TypeMeta }
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func TestScheme(t *testing.T) {
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internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
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externalGV := schema.GroupVersion{Group: "test.group", Version: "testExternal"}
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scheme := runtime.NewScheme()
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scheme.AddKnownTypeWithName(internalGV.WithKind("Simple"), &InternalSimple{})
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scheme.AddKnownTypeWithName(externalGV.WithKind("Simple"), &ExternalSimple{})
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// If set, would clear TypeMeta during conversion.
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//scheme.AddIgnoredConversionType(&TypeMeta{}, &TypeMeta{})
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// test that scheme is an ObjectTyper
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var _ runtime.ObjectTyper = scheme
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internalToExternalCalls := 0
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externalToInternalCalls := 0
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// Register functions to verify that scope.Meta() gets set correctly.
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err := scheme.AddConversionFuncs(
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func(in *InternalSimple, out *ExternalSimple, scope conversion.Scope) error {
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scope.Convert(&in.TypeMeta, &out.TypeMeta, 0)
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scope.Convert(&in.TestString, &out.TestString, 0)
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internalToExternalCalls++
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return nil
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},
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func(in *ExternalSimple, out *InternalSimple, scope conversion.Scope) error {
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scope.Convert(&in.TypeMeta, &out.TypeMeta, 0)
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scope.Convert(&in.TestString, &out.TestString, 0)
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externalToInternalCalls++
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return nil
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},
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)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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codecs := serializer.NewCodecFactory(scheme)
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codec := codecs.LegacyCodec(externalGV)
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info, _ := runtime.SerializerInfoForMediaType(codecs.SupportedMediaTypes(), runtime.ContentTypeJSON)
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jsonserializer := info.Serializer
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simple := &InternalSimple{
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TestString: "foo",
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}
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// Test Encode, Decode, DecodeInto, and DecodeToVersion
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obj := runtime.Object(simple)
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data, err := runtime.Encode(codec, obj)
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if err != nil {
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t.Fatal(err)
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}
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obj2, err := runtime.Decode(codec, data)
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if err != nil {
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t.Fatal(err)
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}
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if _, ok := obj2.(*InternalSimple); !ok {
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t.Fatalf("Got wrong type")
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}
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if e, a := simple, obj2; !reflect.DeepEqual(e, a) {
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t.Errorf("Expected:\n %#v,\n Got:\n %#v", e, a)
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}
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obj3 := &InternalSimple{}
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if err := runtime.DecodeInto(codec, data, obj3); err != nil {
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t.Fatal(err)
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}
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// clearing TypeMeta is a function of the scheme, which we do not test here (ConvertToVersion
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// does not automatically clear TypeMeta anymore).
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simple.TypeMeta = runtime.TypeMeta{Kind: "Simple", APIVersion: externalGV.String()}
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if e, a := simple, obj3; !reflect.DeepEqual(e, a) {
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t.Errorf("Expected:\n %#v,\n Got:\n %#v", e, a)
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}
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obj4, err := runtime.Decode(jsonserializer, data)
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if err != nil {
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t.Fatal(err)
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}
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if _, ok := obj4.(*ExternalSimple); !ok {
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t.Fatalf("Got wrong type")
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}
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// Test Convert
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external := &ExternalSimple{}
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err = scheme.Convert(simple, external, nil)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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if e, a := simple.TestString, external.TestString; e != a {
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t.Errorf("Expected %v, got %v", e, a)
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}
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// Encode and Convert should each have caused an increment.
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if e, a := 2, internalToExternalCalls; e != a {
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t.Errorf("Expected %v, got %v", e, a)
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}
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// DecodeInto and Decode should each have caused an increment because of a conversion
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if e, a := 2, externalToInternalCalls; e != a {
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t.Errorf("Expected %v, got %v", e, a)
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}
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}
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func TestBadJSONRejection(t *testing.T) {
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scheme := runtime.NewScheme()
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codecs := serializer.NewCodecFactory(scheme)
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info, _ := runtime.SerializerInfoForMediaType(codecs.SupportedMediaTypes(), runtime.ContentTypeJSON)
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jsonserializer := info.Serializer
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badJSONMissingKind := []byte(`{ }`)
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if _, err := runtime.Decode(jsonserializer, badJSONMissingKind); err == nil {
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t.Errorf("Did not reject despite lack of kind field: %s", badJSONMissingKind)
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}
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badJSONUnknownType := []byte(`{"kind": "bar"}`)
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if _, err1 := runtime.Decode(jsonserializer, badJSONUnknownType); err1 == nil {
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t.Errorf("Did not reject despite use of unknown type: %s", badJSONUnknownType)
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}
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/*badJSONKindMismatch := []byte(`{"kind": "Pod"}`)
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if err2 := DecodeInto(badJSONKindMismatch, &Node{}); err2 == nil {
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t.Errorf("Kind is set but doesn't match the object type: %s", badJSONKindMismatch)
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}*/
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}
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type ExtensionA struct {
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runtime.TypeMeta `json:",inline"`
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TestString string `json:"testString"`
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}
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type ExtensionB struct {
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runtime.TypeMeta `json:",inline"`
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TestString string `json:"testString"`
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}
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type ExternalExtensionType struct {
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runtime.TypeMeta `json:",inline"`
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Extension runtime.RawExtension `json:"extension"`
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}
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type InternalExtensionType struct {
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runtime.TypeMeta `json:",inline"`
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Extension runtime.Object `json:"extension"`
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}
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type ExternalOptionalExtensionType struct {
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runtime.TypeMeta `json:",inline"`
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Extension runtime.RawExtension `json:"extension,omitempty"`
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}
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type InternalOptionalExtensionType struct {
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runtime.TypeMeta `json:",inline"`
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Extension runtime.Object `json:"extension,omitempty"`
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}
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func (obj *ExtensionA) GetObjectKind() schema.ObjectKind { return &obj.TypeMeta }
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func (obj *ExtensionB) GetObjectKind() schema.ObjectKind { return &obj.TypeMeta }
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func (obj *ExternalExtensionType) GetObjectKind() schema.ObjectKind { return &obj.TypeMeta }
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func (obj *InternalExtensionType) GetObjectKind() schema.ObjectKind { return &obj.TypeMeta }
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func (obj *ExternalOptionalExtensionType) GetObjectKind() schema.ObjectKind { return &obj.TypeMeta }
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func (obj *InternalOptionalExtensionType) GetObjectKind() schema.ObjectKind { return &obj.TypeMeta }
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func TestExternalToInternalMapping(t *testing.T) {
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internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
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externalGV := schema.GroupVersion{Group: "test.group", Version: "testExternal"}
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scheme := runtime.NewScheme()
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scheme.AddKnownTypeWithName(internalGV.WithKind("OptionalExtensionType"), &InternalOptionalExtensionType{})
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scheme.AddKnownTypeWithName(externalGV.WithKind("OptionalExtensionType"), &ExternalOptionalExtensionType{})
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codec := serializer.NewCodecFactory(scheme).LegacyCodec(externalGV)
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table := []struct {
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obj runtime.Object
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encoded string
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}{
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{
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&InternalOptionalExtensionType{Extension: nil},
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`{"kind":"OptionalExtensionType","apiVersion":"` + externalGV.String() + `"}`,
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},
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}
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for i, item := range table {
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gotDecoded, err := runtime.Decode(codec, []byte(item.encoded))
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if err != nil {
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t.Errorf("unexpected error '%v' (%v)", err, item.encoded)
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} else if e, a := item.obj, gotDecoded; !reflect.DeepEqual(e, a) {
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t.Errorf("%d: unexpected objects:\n%s", i, diff.ObjectGoPrintSideBySide(e, a))
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}
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}
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}
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func TestExtensionMapping(t *testing.T) {
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internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
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externalGV := schema.GroupVersion{Group: "test.group", Version: "testExternal"}
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scheme := runtime.NewScheme()
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scheme.AddKnownTypeWithName(internalGV.WithKind("ExtensionType"), &InternalExtensionType{})
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scheme.AddKnownTypeWithName(internalGV.WithKind("OptionalExtensionType"), &InternalOptionalExtensionType{})
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scheme.AddKnownTypeWithName(externalGV.WithKind("ExtensionType"), &ExternalExtensionType{})
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scheme.AddKnownTypeWithName(externalGV.WithKind("OptionalExtensionType"), &ExternalOptionalExtensionType{})
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// register external first when the object is the same in both schemes, so ObjectVersionAndKind reports the
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// external version.
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scheme.AddKnownTypeWithName(externalGV.WithKind("A"), &ExtensionA{})
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scheme.AddKnownTypeWithName(externalGV.WithKind("B"), &ExtensionB{})
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scheme.AddKnownTypeWithName(internalGV.WithKind("A"), &ExtensionA{})
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scheme.AddKnownTypeWithName(internalGV.WithKind("B"), &ExtensionB{})
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codec := serializer.NewCodecFactory(scheme).LegacyCodec(externalGV)
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table := []struct {
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obj runtime.Object
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expected runtime.Object
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encoded string
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}{
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{
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&InternalExtensionType{
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Extension: runtime.NewEncodable(codec, &ExtensionA{TestString: "foo"}),
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},
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&InternalExtensionType{
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Extension: &runtime.Unknown{
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Raw: []byte(`{"apiVersion":"test.group/testExternal","kind":"A","testString":"foo"}`),
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ContentType: runtime.ContentTypeJSON,
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},
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},
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// apiVersion is set in the serialized object for easier consumption by clients
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`{"apiVersion":"` + externalGV.String() + `","kind":"ExtensionType","extension":{"apiVersion":"test.group/testExternal","kind":"A","testString":"foo"}}
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`,
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}, {
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&InternalExtensionType{Extension: runtime.NewEncodable(codec, &ExtensionB{TestString: "bar"})},
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&InternalExtensionType{
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Extension: &runtime.Unknown{
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Raw: []byte(`{"apiVersion":"test.group/testExternal","kind":"B","testString":"bar"}`),
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ContentType: runtime.ContentTypeJSON,
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},
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},
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// apiVersion is set in the serialized object for easier consumption by clients
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`{"apiVersion":"` + externalGV.String() + `","kind":"ExtensionType","extension":{"apiVersion":"test.group/testExternal","kind":"B","testString":"bar"}}
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`,
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}, {
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&InternalExtensionType{Extension: nil},
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&InternalExtensionType{
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Extension: nil,
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},
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`{"apiVersion":"` + externalGV.String() + `","kind":"ExtensionType","extension":null}
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`,
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},
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}
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for i, item := range table {
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gotEncoded, err := runtime.Encode(codec, item.obj)
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if err != nil {
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t.Errorf("unexpected error '%v' (%#v)", err, item.obj)
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} else if e, a := item.encoded, string(gotEncoded); e != a {
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t.Errorf("expected\n%#v\ngot\n%#v\n", e, a)
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}
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gotDecoded, err := runtime.Decode(codec, []byte(item.encoded))
|
||
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if err != nil {
|
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t.Errorf("unexpected error '%v' (%v)", err, item.encoded)
|
||
|
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} else if e, a := item.expected, gotDecoded; !reflect.DeepEqual(e, a) {
|
||
|
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t.Errorf("%d: unexpected objects:\n%s", i, diff.ObjectGoPrintSideBySide(e, a))
|
||
|
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}
|
||
|
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}
|
||
|
|
}
|
||
|
|
|
||
|
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func TestEncode(t *testing.T) {
|
||
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internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
|
||
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externalGV := schema.GroupVersion{Group: "test.group", Version: "testExternal"}
|
||
|
|
|
||
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scheme := runtime.NewScheme()
|
||
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scheme.AddKnownTypeWithName(internalGV.WithKind("Simple"), &InternalSimple{})
|
||
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scheme.AddKnownTypeWithName(externalGV.WithKind("Simple"), &ExternalSimple{})
|
||
|
|
|
||
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codec := serializer.NewCodecFactory(scheme).LegacyCodec(externalGV)
|
||
|
|
|
||
|
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test := &InternalSimple{
|
||
|
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TestString: "I'm the same",
|
||
|
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}
|
||
|
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obj := runtime.Object(test)
|
||
|
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data, err := runtime.Encode(codec, obj)
|
||
|
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obj2, gvk, err2 := codec.Decode(data, nil, nil)
|
||
|
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if err != nil || err2 != nil {
|
||
|
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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)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
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"}
|
||
|
|
|
||
|
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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)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Test a weird version/kind embedding format.
|
||
|
|
type MyWeirdCustomEmbeddedVersionKindField struct {
|
||
|
|
ID string `json:"ID,omitempty"`
|
||
|
|
APIVersion string `json:"myVersionKey,omitempty"`
|
||
|
|
ObjectKind string `json:"myKindKey,omitempty"`
|
||
|
|
Z string `json:"Z,omitempty"`
|
||
|
|
Y uint64 `json:"Y,omitempty"`
|
||
|
|
}
|
||
|
|
|
||
|
|
type TestType1 struct {
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField `json:",inline"`
|
||
|
|
A string `json:"A,omitempty"`
|
||
|
|
B int `json:"B,omitempty"`
|
||
|
|
C int8 `json:"C,omitempty"`
|
||
|
|
D int16 `json:"D,omitempty"`
|
||
|
|
E int32 `json:"E,omitempty"`
|
||
|
|
F int64 `json:"F,omitempty"`
|
||
|
|
G uint `json:"G,omitempty"`
|
||
|
|
H uint8 `json:"H,omitempty"`
|
||
|
|
I uint16 `json:"I,omitempty"`
|
||
|
|
J uint32 `json:"J,omitempty"`
|
||
|
|
K uint64 `json:"K,omitempty"`
|
||
|
|
L bool `json:"L,omitempty"`
|
||
|
|
M map[string]int `json:"M,omitempty"`
|
||
|
|
N map[string]TestType2 `json:"N,omitempty"`
|
||
|
|
O *TestType2 `json:"O,omitempty"`
|
||
|
|
P []TestType2 `json:"Q,omitempty"`
|
||
|
|
}
|
||
|
|
|
||
|
|
type TestType2 struct {
|
||
|
|
A string `json:"A,omitempty"`
|
||
|
|
B int `json:"B,omitempty"`
|
||
|
|
}
|
||
|
|
|
||
|
|
type ExternalTestType2 struct {
|
||
|
|
A string `json:"A,omitempty"`
|
||
|
|
B int `json:"B,omitempty"`
|
||
|
|
}
|
||
|
|
type ExternalTestType1 struct {
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField `json:",inline"`
|
||
|
|
A string `json:"A,omitempty"`
|
||
|
|
B int `json:"B,omitempty"`
|
||
|
|
C int8 `json:"C,omitempty"`
|
||
|
|
D int16 `json:"D,omitempty"`
|
||
|
|
E int32 `json:"E,omitempty"`
|
||
|
|
F int64 `json:"F,omitempty"`
|
||
|
|
G uint `json:"G,omitempty"`
|
||
|
|
H uint8 `json:"H,omitempty"`
|
||
|
|
I uint16 `json:"I,omitempty"`
|
||
|
|
J uint32 `json:"J,omitempty"`
|
||
|
|
K uint64 `json:"K,omitempty"`
|
||
|
|
L bool `json:"L,omitempty"`
|
||
|
|
M map[string]int `json:"M,omitempty"`
|
||
|
|
N map[string]ExternalTestType2 `json:"N,omitempty"`
|
||
|
|
O *ExternalTestType2 `json:"O,omitempty"`
|
||
|
|
P []ExternalTestType2 `json:"Q,omitempty"`
|
||
|
|
}
|
||
|
|
|
||
|
|
type ExternalInternalSame struct {
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField `json:",inline"`
|
||
|
|
A TestType2 `json:"A,omitempty"`
|
||
|
|
}
|
||
|
|
|
||
|
|
type UnversionedType struct {
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField `json:",inline"`
|
||
|
|
A string `json:"A,omitempty"`
|
||
|
|
}
|
||
|
|
|
||
|
|
type UnknownType struct {
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField `json:",inline"`
|
||
|
|
A string `json:"A,omitempty"`
|
||
|
|
}
|
||
|
|
|
||
|
|
func (obj *MyWeirdCustomEmbeddedVersionKindField) GetObjectKind() schema.ObjectKind { return obj }
|
||
|
|
func (obj *MyWeirdCustomEmbeddedVersionKindField) SetGroupVersionKind(gvk schema.GroupVersionKind) {
|
||
|
|
obj.APIVersion, obj.ObjectKind = gvk.ToAPIVersionAndKind()
|
||
|
|
}
|
||
|
|
func (obj *MyWeirdCustomEmbeddedVersionKindField) GroupVersionKind() schema.GroupVersionKind {
|
||
|
|
return schema.FromAPIVersionAndKind(obj.APIVersion, obj.ObjectKind)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (obj *ExternalInternalSame) GetObjectKind() schema.ObjectKind {
|
||
|
|
return &obj.MyWeirdCustomEmbeddedVersionKindField
|
||
|
|
}
|
||
|
|
|
||
|
|
func (obj *TestType1) GetObjectKind() schema.ObjectKind {
|
||
|
|
return &obj.MyWeirdCustomEmbeddedVersionKindField
|
||
|
|
}
|
||
|
|
|
||
|
|
func (obj *ExternalTestType1) GetObjectKind() schema.ObjectKind {
|
||
|
|
return &obj.MyWeirdCustomEmbeddedVersionKindField
|
||
|
|
}
|
||
|
|
|
||
|
|
func (obj *TestType2) GetObjectKind() schema.ObjectKind { return schema.EmptyObjectKind }
|
||
|
|
func (obj *ExternalTestType2) GetObjectKind() schema.ObjectKind {
|
||
|
|
return schema.EmptyObjectKind
|
||
|
|
}
|
||
|
|
|
||
|
|
// TestObjectFuzzer can randomly populate all the above objects.
|
||
|
|
var TestObjectFuzzer = fuzz.New().NilChance(.5).NumElements(1, 100).Funcs(
|
||
|
|
func(j *MyWeirdCustomEmbeddedVersionKindField, c fuzz.Continue) {
|
||
|
|
// We have to customize the randomization of MyWeirdCustomEmbeddedVersionKindFields because their
|
||
|
|
// APIVersion and Kind must remain blank in memory.
|
||
|
|
j.APIVersion = ""
|
||
|
|
j.ObjectKind = ""
|
||
|
|
j.ID = c.RandString()
|
||
|
|
},
|
||
|
|
)
|
||
|
|
|
||
|
|
// 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
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestKnownTypes(t *testing.T) {
|
||
|
|
s := GetTestScheme()
|
||
|
|
if len(s.KnownTypes(schema.GroupVersion{Group: "group", Version: "v2"})) != 0 {
|
||
|
|
t.Errorf("should have no known types for v2")
|
||
|
|
}
|
||
|
|
|
||
|
|
types := s.KnownTypes(schema.GroupVersion{Version: "v1"})
|
||
|
|
for _, s := range []string{"TestType1", "TestType2", "TestType3", "ExternalInternalSame"} {
|
||
|
|
if _, ok := types[s]; !ok {
|
||
|
|
t.Errorf("missing type %q", s)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestConvertToVersionBasic(t *testing.T) {
|
||
|
|
s := GetTestScheme()
|
||
|
|
tt := &TestType1{A: "I'm not a pointer object"}
|
||
|
|
other, err := s.ConvertToVersion(tt, schema.GroupVersion{Version: "v1"})
|
||
|
|
if err != nil {
|
||
|
|
t.Fatalf("Failure: %v", err)
|
||
|
|
}
|
||
|
|
converted, ok := other.(*ExternalTestType1)
|
||
|
|
if !ok {
|
||
|
|
t.Fatalf("Got wrong type: %T", other)
|
||
|
|
}
|
||
|
|
if tt.A != converted.A {
|
||
|
|
t.Fatalf("Failed to convert object correctly: %#v", converted)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
type testGroupVersioner struct {
|
||
|
|
target schema.GroupVersionKind
|
||
|
|
ok bool
|
||
|
|
}
|
||
|
|
|
||
|
|
func (m testGroupVersioner) KindForGroupVersionKinds(kinds []schema.GroupVersionKind) (schema.GroupVersionKind, bool) {
|
||
|
|
return m.target, m.ok
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestConvertToVersion(t *testing.T) {
|
||
|
|
testCases := []struct {
|
||
|
|
scheme *runtime.Scheme
|
||
|
|
in runtime.Object
|
||
|
|
gv runtime.GroupVersioner
|
||
|
|
same bool
|
||
|
|
out runtime.Object
|
||
|
|
errFn func(error) bool
|
||
|
|
}{
|
||
|
|
// errors if the type is not registered in the scheme
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &UnknownType{},
|
||
|
|
errFn: func(err error) bool { return err != nil && runtime.IsNotRegisteredError(err) },
|
||
|
|
},
|
||
|
|
// errors if the group versioner returns no target
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &ExternalTestType1{A: "test"},
|
||
|
|
gv: testGroupVersioner{},
|
||
|
|
errFn: func(err error) bool {
|
||
|
|
return err != nil && strings.Contains(err.Error(), "is not suitable for converting")
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// converts to internal
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &ExternalTestType1{A: "test"},
|
||
|
|
gv: schema.GroupVersion{Version: "__internal"},
|
||
|
|
out: &TestType1{A: "test"},
|
||
|
|
},
|
||
|
|
// prefers the best match
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &ExternalTestType1{A: "test"},
|
||
|
|
gv: schema.GroupVersions{{Version: "__internal"}, {Version: "v1"}},
|
||
|
|
out: &ExternalTestType1{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "v1", ObjectKind: "TestType1"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// unversioned type returned as-is
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &UnversionedType{A: "test"},
|
||
|
|
gv: schema.GroupVersions{{Version: "v1"}},
|
||
|
|
same: true,
|
||
|
|
out: &UnversionedType{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "v1", ObjectKind: "UnversionedType"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// unversioned type returned when not included in the target types
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &UnversionedType{A: "test"},
|
||
|
|
gv: schema.GroupVersions{{Group: "other", Version: "v2"}},
|
||
|
|
same: true,
|
||
|
|
out: &UnversionedType{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "v1", ObjectKind: "UnversionedType"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// detected as already being in the target version
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &ExternalTestType1{A: "test"},
|
||
|
|
gv: schema.GroupVersions{{Version: "v1"}},
|
||
|
|
same: true,
|
||
|
|
out: &ExternalTestType1{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "v1", ObjectKind: "TestType1"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// detected as already being in the first target version
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &ExternalTestType1{A: "test"},
|
||
|
|
gv: schema.GroupVersions{{Version: "v1"}, {Version: "__internal"}},
|
||
|
|
same: true,
|
||
|
|
out: &ExternalTestType1{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "v1", ObjectKind: "TestType1"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// detected as already being in the first target version
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &ExternalTestType1{A: "test"},
|
||
|
|
gv: schema.GroupVersions{{Version: "v1"}, {Version: "__internal"}},
|
||
|
|
same: true,
|
||
|
|
out: &ExternalTestType1{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "v1", ObjectKind: "TestType1"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// the external type is registered in multiple groups, versions, and kinds, and can be targeted to all of them (1/3): different kind
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &ExternalTestType1{A: "test"},
|
||
|
|
gv: testGroupVersioner{ok: true, target: schema.GroupVersionKind{Kind: "TestType3", Version: "v1"}},
|
||
|
|
same: true,
|
||
|
|
out: &ExternalTestType1{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "v1", ObjectKind: "TestType3"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// the external type is registered in multiple groups, versions, and kinds, and can be targeted to all of them (2/3): different gv
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &ExternalTestType1{A: "test"},
|
||
|
|
gv: testGroupVersioner{ok: true, target: schema.GroupVersionKind{Kind: "TestType3", Group: "custom", Version: "v1"}},
|
||
|
|
same: true,
|
||
|
|
out: &ExternalTestType1{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "custom/v1", ObjectKind: "TestType3"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// the external type is registered in multiple groups, versions, and kinds, and can be targeted to all of them (3/3): different gvk
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &ExternalTestType1{A: "test"},
|
||
|
|
gv: testGroupVersioner{ok: true, target: schema.GroupVersionKind{Group: "custom", Version: "v1", Kind: "TestType5"}},
|
||
|
|
same: true,
|
||
|
|
out: &ExternalTestType1{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "custom/v1", ObjectKind: "TestType5"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// multi group versioner recognizes multiple groups and forces the output to a particular version, copies because version differs
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &ExternalTestType1{A: "test"},
|
||
|
|
gv: runtime.NewMultiGroupVersioner(schema.GroupVersion{Group: "other", Version: "v2"}, schema.GroupKind{Group: "custom", Kind: "TestType3"}, schema.GroupKind{Kind: "TestType1"}),
|
||
|
|
out: &ExternalTestType1{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "other/v2", ObjectKind: "TestType1"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// multi group versioner recognizes multiple groups and forces the output to a particular version, copies because version differs
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &ExternalTestType1{A: "test"},
|
||
|
|
gv: runtime.NewMultiGroupVersioner(schema.GroupVersion{Group: "other", Version: "v2"}, schema.GroupKind{Kind: "TestType1"}, schema.GroupKind{Group: "custom", Kind: "TestType3"}),
|
||
|
|
out: &ExternalTestType1{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "other/v2", ObjectKind: "TestType1"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// multi group versioner is unable to find a match when kind AND group don't match (there is no TestType1 kind in group "other", and no kind "TestType5" in the default group)
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &TestType1{A: "test"},
|
||
|
|
gv: runtime.NewMultiGroupVersioner(schema.GroupVersion{Group: "custom", Version: "v1"}, schema.GroupKind{Group: "other"}, schema.GroupKind{Kind: "TestType5"}),
|
||
|
|
errFn: func(err error) bool {
|
||
|
|
return err != nil && strings.Contains(err.Error(), "is not suitable for converting")
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// multi group versioner recognizes multiple groups and forces the output to a particular version, performs no copy
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &ExternalTestType1{A: "test"},
|
||
|
|
gv: runtime.NewMultiGroupVersioner(schema.GroupVersion{Group: "", Version: "v1"}, schema.GroupKind{Group: "custom", Kind: "TestType3"}, schema.GroupKind{Kind: "TestType1"}),
|
||
|
|
same: true,
|
||
|
|
out: &ExternalTestType1{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "v1", ObjectKind: "TestType1"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// multi group versioner recognizes multiple groups and forces the output to a particular version, performs no copy
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &ExternalTestType1{A: "test"},
|
||
|
|
gv: runtime.NewMultiGroupVersioner(schema.GroupVersion{Group: "", Version: "v1"}, schema.GroupKind{Kind: "TestType1"}, schema.GroupKind{Group: "custom", Kind: "TestType3"}),
|
||
|
|
same: true,
|
||
|
|
out: &ExternalTestType1{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "v1", ObjectKind: "TestType1"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// group versioner can choose a particular target kind for a given input when kind is the same across group versions
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &TestType1{A: "test"},
|
||
|
|
gv: testGroupVersioner{ok: true, target: schema.GroupVersionKind{Version: "v1", Kind: "TestType3"}},
|
||
|
|
out: &ExternalTestType1{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "v1", ObjectKind: "TestType3"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
// group versioner can choose a different kind
|
||
|
|
{
|
||
|
|
scheme: GetTestScheme(),
|
||
|
|
in: &TestType1{A: "test"},
|
||
|
|
gv: testGroupVersioner{ok: true, target: schema.GroupVersionKind{Kind: "TestType5", Group: "custom", Version: "v1"}},
|
||
|
|
out: &ExternalTestType1{
|
||
|
|
MyWeirdCustomEmbeddedVersionKindField: MyWeirdCustomEmbeddedVersionKindField{APIVersion: "custom/v1", ObjectKind: "TestType5"},
|
||
|
|
A: "test",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
}
|
||
|
|
for i, test := range testCases {
|
||
|
|
original, _ := test.scheme.DeepCopy(test.in)
|
||
|
|
out, err := test.scheme.ConvertToVersion(test.in, test.gv)
|
||
|
|
switch {
|
||
|
|
case test.errFn != nil:
|
||
|
|
if !test.errFn(err) {
|
||
|
|
t.Errorf("%d: unexpected error: %v", i, err)
|
||
|
|
}
|
||
|
|
continue
|
||
|
|
case err != nil:
|
||
|
|
t.Errorf("%d: unexpected error: %v", i, err)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
if out == test.in {
|
||
|
|
t.Errorf("%d: ConvertToVersion should always copy out: %#v", i, out)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
if test.same {
|
||
|
|
if !reflect.DeepEqual(original, test.in) {
|
||
|
|
t.Errorf("%d: unexpected mutation of input: %s", i, diff.ObjectReflectDiff(original, test.in))
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
if !reflect.DeepEqual(out, test.out) {
|
||
|
|
t.Errorf("%d: unexpected out: %s", i, diff.ObjectReflectDiff(out, test.out))
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
unsafe, err := test.scheme.UnsafeConvertToVersion(test.in, test.gv)
|
||
|
|
if err != nil {
|
||
|
|
t.Errorf("%d: unexpected error: %v", i, err)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
if !reflect.DeepEqual(unsafe, test.out) {
|
||
|
|
t.Errorf("%d: unexpected unsafe: %s", i, diff.ObjectReflectDiff(unsafe, test.out))
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
if unsafe != test.in {
|
||
|
|
t.Errorf("%d: UnsafeConvertToVersion should return same object: %#v", i, unsafe)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
if !reflect.DeepEqual(out, test.out) {
|
||
|
|
t.Errorf("%d: unexpected out: %s", i, diff.ObjectReflectDiff(out, test.out))
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
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)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestMetaValuesUnregisteredConvert(t *testing.T) {
|
||
|
|
type InternalSimple struct {
|
||
|
|
Version string `json:"apiVersion,omitempty"`
|
||
|
|
Kind string `json:"kind,omitempty"`
|
||
|
|
TestString string `json:"testString"`
|
||
|
|
}
|
||
|
|
type ExternalSimple struct {
|
||
|
|
Version string `json:"apiVersion,omitempty"`
|
||
|
|
Kind string `json:"kind,omitempty"`
|
||
|
|
TestString string `json:"testString"`
|
||
|
|
}
|
||
|
|
s := runtime.NewScheme()
|
||
|
|
// We deliberately don't register the types.
|
||
|
|
|
||
|
|
internalToExternalCalls := 0
|
||
|
|
|
||
|
|
// Register functions to verify that scope.Meta() gets set correctly.
|
||
|
|
err := s.AddConversionFuncs(
|
||
|
|
func(in *InternalSimple, out *ExternalSimple, scope conversion.Scope) error {
|
||
|
|
scope.Convert(&in.TestString, &out.TestString, 0)
|
||
|
|
internalToExternalCalls++
|
||
|
|
return nil
|
||
|
|
},
|
||
|
|
)
|
||
|
|
if err != nil {
|
||
|
|
t.Fatalf("unexpected error: %v", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
simple := &InternalSimple{TestString: "foo"}
|
||
|
|
external := &ExternalSimple{}
|
||
|
|
err = s.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)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Verify that our conversion handler got called.
|
||
|
|
if e, a := 1, internalToExternalCalls; e != a {
|
||
|
|
t.Errorf("Expected %v, got %v", e, a)
|
||
|
|
}
|
||
|
|
}
|