| /* |
| 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" |
| "k8s.io/apimachinery/pkg/runtime/serializer" |
| 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 := serializer.DirectCodecFactory{CodecFactory: scheme.Codecs} |
| 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"}}, |
| }, |
| } |
| 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) |
| } |
| } |
| } |