Files
client-go/rest/watch/decoder_test.go
Kubernetes Publisher 49948ae0ca published by bot
(https://github.com/kubernetes/test-infra/tree/master/mungegithub)

copied from https://github.com/kubernetes/kubernetes.git, branch master,
last commit is c09311fa32be02ebb79c7959447e3e4294cc12a3
2017-02-01 03:06:37 +00:00

118 lines
2.9 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 (
"encoding/json"
"io"
"testing"
"time"
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/streaming"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/pkg/api"
"k8s.io/client-go/pkg/api/v1"
restclientwatch "k8s.io/client-go/rest/watch"
_ "k8s.io/client-go/pkg/api/install"
)
func TestDecoder(t *testing.T) {
table := []watch.EventType{watch.Added, watch.Deleted, watch.Modified, watch.Error}
for _, eventType := range table {
out, in := io.Pipe()
codec := api.Codecs.LegacyCodec(v1.SchemeGroupVersion)
decoder := restclientwatch.NewDecoder(streaming.NewDecoder(out, codec), codec)
expect := &api.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}
encoder := json.NewEncoder(in)
go func() {
data, err := runtime.Encode(api.Codecs.LegacyCodec(v1.SchemeGroupVersion), expect)
if err != nil {
t.Fatalf("Unexpected error %v", err)
}
event := metav1.WatchEvent{
Type: string(eventType),
Object: runtime.RawExtension{Raw: json.RawMessage(data)},
}
if err := encoder.Encode(&event); err != nil {
t.Errorf("Unexpected error %v", err)
}
in.Close()
}()
done := make(chan struct{})
go func() {
action, got, err := decoder.Decode()
if err != nil {
t.Fatalf("Unexpected error %v", err)
}
if e, a := eventType, action; e != a {
t.Errorf("Expected %v, got %v", e, a)
}
if e, a := expect, got; !apiequality.Semantic.DeepDerivative(e, a) {
t.Errorf("Expected %v, got %v", e, a)
}
t.Logf("Exited read")
close(done)
}()
<-done
done = make(chan struct{})
go func() {
_, _, err := decoder.Decode()
if err == nil {
t.Errorf("Unexpected nil error")
}
close(done)
}()
<-done
decoder.Close()
}
}
func TestDecoder_SourceClose(t *testing.T) {
out, in := io.Pipe()
codec := api.Codecs.LegacyCodec(v1.SchemeGroupVersion)
decoder := restclientwatch.NewDecoder(streaming.NewDecoder(out, codec), codec)
done := make(chan struct{})
go func() {
_, _, err := decoder.Decode()
if err == nil {
t.Errorf("Unexpected nil error")
}
close(done)
}()
in.Close()
select {
case <-done:
break
case <-time.After(wait.ForeverTestTimeout):
t.Error("Timeout")
}
}