k3s/pkg/runtime/embedded_test.go

/*
Copyright 2014 Google Inc. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package runtime

import (
	"encoding/json"
	"reflect"
	"testing"
)

type EmbeddedTest struct {
	JSONBase    `yaml:",inline" json:",inline"`
	Object      EmbeddedObject `yaml:"object,omitempty" json:"object,omitempty"`
	EmptyObject EmbeddedObject `yaml:"emptyObject,omitempty" json:"emptyObject,omitempty"`
}

func (*EmbeddedTest) IsAnAPIObject() {}

func TestEmbeddedObject(t *testing.T) {
	// TODO(dbsmith) fix EmbeddedObject to not use DefaultScheme.
	s := DefaultScheme
	s.AddKnownTypes("", &EmbeddedTest{})
	s.AddKnownTypes("v1beta1", &EmbeddedTest{})

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

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

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

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

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

	// test JSON decoding, too, since Decode uses yaml unmarshalling.
	var decodedViaJSON EmbeddedTest
	err = json.Unmarshal(wire, &decodedViaJSON)
	if err != nil {
		t.Fatalf("Unexpected decode error %v", err)
	}

	// Things that Decode would have done for us:
	decodedViaJSON.Kind = ""
	decodedViaJSON.APIVersion = ""

	if e, a := outer, &decodedViaJSON; !reflect.DeepEqual(e, a) {
		t.Errorf("Expected: %#v but got %#v", e, a)
	}
}