mirror of
https://github.com/kubernetes/client-go.git
synced 2025-07-19 09:38:39 +00:00
87 lines
2.5 KiB
Go
87 lines
2.5 KiB
Go
/*
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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 watch
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import (
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"bytes"
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"io"
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"testing"
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v1 "k8s.io/api/core/v1"
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apiequality "k8s.io/apimachinery/pkg/api/equality"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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runtimejson "k8s.io/apimachinery/pkg/runtime/serializer/json"
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"k8s.io/apimachinery/pkg/runtime/serializer/streaming"
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"k8s.io/apimachinery/pkg/watch"
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"k8s.io/client-go/kubernetes/scheme"
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)
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// getEncoder mimics how k8s.io/client-go/rest.createSerializers creates a encoder
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func getEncoder() runtime.Encoder {
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jsonSerializer := runtimejson.NewSerializerWithOptions(runtimejson.DefaultMetaFactory, scheme.Scheme, scheme.Scheme, runtimejson.SerializerOptions{})
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directCodecFactory := scheme.Codecs.WithoutConversion()
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return directCodecFactory.EncoderForVersion(jsonSerializer, v1.SchemeGroupVersion)
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}
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func TestEncodeDecodeRoundTrip(t *testing.T) {
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testCases := []struct {
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Type watch.EventType
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Object runtime.Object
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}{
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{
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watch.Added,
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&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
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},
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{
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watch.Modified,
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&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
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},
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{
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watch.Deleted,
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&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
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},
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{
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watch.Bookmark,
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&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
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},
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}
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for i, testCase := range testCases {
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buf := &bytes.Buffer{}
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encoder := NewEncoder(streaming.NewEncoder(buf, getEncoder()), getEncoder())
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if err := encoder.Encode(&watch.Event{Type: testCase.Type, Object: testCase.Object}); err != nil {
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t.Errorf("%d: unexpected error: %v", i, err)
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continue
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}
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rc := io.NopCloser(buf)
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decoder := NewDecoder(streaming.NewDecoder(rc, getDecoder()), getDecoder())
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event, obj, err := decoder.Decode()
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if err != nil {
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t.Errorf("%d: unexpected error: %v", i, err)
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continue
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}
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if !apiequality.Semantic.DeepDerivative(testCase.Object, obj) {
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t.Errorf("%d: expected %#v, got %#v", i, testCase.Object, obj)
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}
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if event != testCase.Type {
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t.Errorf("%d: unexpected type: %#v", i, event)
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}
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}
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}
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