64d98cba73
Prepares for the meta object to front multiple underlying types when TypeMeta and ObjectMeta is split in internal and v1beta3, but combined in v1beta1 and v1beta2
106 lines
3.5 KiB
Go
106 lines
3.5 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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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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"encoding/json"
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"reflect"
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"testing"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
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)
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var scheme = runtime.NewScheme()
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var Codec = runtime.CodecFor(scheme, "v1test")
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type EmbeddedTest struct {
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runtime.TypeMeta `yaml:",inline" json:",inline"`
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ID string `yaml:"id,omitempty" json:"id,omitempty"`
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Object runtime.EmbeddedObject `yaml:"object,omitempty" json:"object,omitempty"`
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EmptyObject runtime.EmbeddedObject `yaml:"emptyObject,omitempty" json:"emptyObject,omitempty"`
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}
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type EmbeddedTestExternal struct {
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runtime.TypeMeta `yaml:",inline" json:",inline"`
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ID string `yaml:"id,omitempty" json:"id,omitempty"`
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Object runtime.RawExtension `yaml:"object,omitempty" json:"object,omitempty"`
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EmptyObject runtime.RawExtension `yaml:"emptyObject,omitempty" json:"emptyObject,omitempty"`
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}
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func (*EmbeddedTest) IsAnAPIObject() {}
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func (*EmbeddedTestExternal) IsAnAPIObject() {}
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func TestEmbeddedObject(t *testing.T) {
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s := scheme
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s.AddKnownTypes("", &EmbeddedTest{})
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s.AddKnownTypeWithName("v1test", "EmbeddedTest", &EmbeddedTestExternal{})
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outer := &EmbeddedTest{
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TypeMeta: runtime.TypeMeta{Name: "outer"},
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ID: "outer",
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Object: runtime.EmbeddedObject{
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&EmbeddedTest{
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TypeMeta: runtime.TypeMeta{Name: "inner"},
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ID: "inner",
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},
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},
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}
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wire, err := s.EncodeToVersion(outer, "v1test")
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if err != nil {
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t.Fatalf("Unexpected encode error '%v'", err)
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}
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t.Logf("Wire format is:\n%v\n", string(wire))
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decoded, err := s.Decode(wire)
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if err != nil {
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t.Fatalf("Unexpected decode error %v", err)
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}
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if e, a := outer, decoded; !reflect.DeepEqual(e, a) {
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t.Errorf("Expected: %#v but got %#v", e, a)
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}
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// test JSON decoding of the external object, which should preserve
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// raw bytes
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var externalViaJSON EmbeddedTestExternal
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err = json.Unmarshal(wire, &externalViaJSON)
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if err != nil {
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t.Fatalf("Unexpected decode error %v", err)
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}
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if externalViaJSON.Kind == "" || externalViaJSON.APIVersion == "" || externalViaJSON.Name != "outer" {
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t.Errorf("Expected objects to have type info set, got %#v", externalViaJSON)
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}
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if !reflect.DeepEqual(externalViaJSON.EmptyObject.RawJSON, []byte("null")) || len(externalViaJSON.Object.RawJSON) == 0 {
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t.Errorf("Expected deserialization of nested objects into bytes, got %#v", externalViaJSON)
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}
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// test JSON decoding, too, since Decode uses yaml unmarshalling.
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// Generic Unmarshalling of JSON cannot load the nested objects because there is
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// no default schema set. Consumers wishing to get direct JSON decoding must use
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// the external representation
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var decodedViaJSON EmbeddedTest
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err = json.Unmarshal(wire, &decodedViaJSON)
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if err != nil {
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t.Fatalf("Unexpected decode error %v", err)
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}
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if a := decodedViaJSON; a.Object.Object != nil || a.EmptyObject.Object != nil {
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t.Errorf("Expected embedded objects to be nil: %#v", a)
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}
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}
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