Files
client-go/rest/watch/encoder_test.go
Clayton Coleman 3da8d3a9fe Use CodecFactory.WithoutConversion() everywhere
Clarifies that requesting no conversion is part of the codec factory, and
future refactors will make the codec factory less opionated about conversion.

Kubernetes-commit: 7f9dfe58f4cbe1e1b9e80f52addff70bac87bed4
2019-04-03 13:24:37 -04:00

88 lines
2.6 KiB
Go

/*
Copyright 2014 The Kubernetes Authors.
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 versioned_test
import (
"bytes"
"io/ioutil"
"testing"
"k8s.io/api/core/v1"
apiequality "k8s.io/apimachinery/pkg/api/equality"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
runtimejson "k8s.io/apimachinery/pkg/runtime/serializer/json"
"k8s.io/apimachinery/pkg/runtime/serializer/streaming"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/kubernetes/scheme"
restclientwatch "k8s.io/client-go/rest/watch"
)
// getEncoder mimics how k8s.io/client-go/rest.createSerializers creates a encoder
func getEncoder() runtime.Encoder {
jsonSerializer := runtimejson.NewSerializer(runtimejson.DefaultMetaFactory, scheme.Scheme, scheme.Scheme, false)
directCodecFactory := scheme.Codecs.WithoutConversion()
return directCodecFactory.EncoderForVersion(jsonSerializer, v1.SchemeGroupVersion)
}
func TestEncodeDecodeRoundTrip(t *testing.T) {
testCases := []struct {
Type watch.EventType
Object runtime.Object
}{
{
watch.Added,
&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
},
{
watch.Modified,
&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
},
{
watch.Deleted,
&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
},
{
watch.Bookmark,
&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
},
}
for i, testCase := range testCases {
buf := &bytes.Buffer{}
encoder := restclientwatch.NewEncoder(streaming.NewEncoder(buf, getEncoder()), getEncoder())
if err := encoder.Encode(&watch.Event{Type: testCase.Type, Object: testCase.Object}); err != nil {
t.Errorf("%d: unexpected error: %v", i, err)
continue
}
rc := ioutil.NopCloser(buf)
decoder := restclientwatch.NewDecoder(streaming.NewDecoder(rc, getDecoder()), getDecoder())
event, obj, err := decoder.Decode()
if err != nil {
t.Errorf("%d: unexpected error: %v", i, err)
continue
}
if !apiequality.Semantic.DeepDerivative(testCase.Object, obj) {
t.Errorf("%d: expected %#v, got %#v", i, testCase.Object, obj)
}
if event != testCase.Type {
t.Errorf("%d: unexpected type: %#v", i, event)
}
}
}