func TestWatch(t *testing.T) {
client := framework.NewEtcdClient()
etcdStorage := etcd.NewEtcdStorage(client, testapi.Default.Codec(), etcdtest.PathPrefix())
framework.WithEtcdKey(func(key string) {
key = etcdtest.AddPrefix(key)
resp, err := client.Set(key, runtime.EncodeOrDie(testapi.Default.Codec(), &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}), 0)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expectedVersion := resp.Node.ModifiedIndex
// watch should load the object at the current index
w, err := etcdStorage.Watch(key, 0, storage.Everything)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
event := <-w.ResultChan()
if event.Type != watch.Added || event.Object == nil {
t.Fatalf("expected first value to be set to ADDED, got %#v", event)
}
// version should match what we set
pod := event.Object.(*api.Pod)
if pod.ResourceVersion != strconv.FormatUint(expectedVersion, 10) {
t.Errorf("expected version %d, got %#v", expectedVersion, pod)
}
// should be no events in the stream
select {
case event, ok := <-w.ResultChan():
if !ok {
t.Fatalf("channel closed unexpectedly")
}
t.Fatalf("unexpected object in channel: %#v", event)
default:
}
// should return the previously deleted item in the watch, but with the latest index
resp, err = client.Delete(key, false)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expectedVersion = resp.Node.ModifiedIndex
event = <-w.ResultChan()
if event.Type != watch.Deleted {
t.Errorf("expected deleted event %#v", event)
}
pod = event.Object.(*api.Pod)
if pod.ResourceVersion != strconv.FormatUint(expectedVersion, 10) {
t.Errorf("expected version %d, got %#v", expectedVersion, pod)
}
})
}
func TestWriteTTL(t *testing.T) {
client := framework.NewEtcdClient()
etcdStorage := etcd.NewEtcdStorage(client, testapi.Default.Codec(), "")
framework.WithEtcdKey(func(key string) {
testObject := api.ServiceAccount{ObjectMeta: api.ObjectMeta{Name: "foo"}}
if err := etcdStorage.Set(key, &testObject, nil, 0); err != nil {
t.Fatalf("unexpected error: %v", err)
}
result := &api.ServiceAccount{}
err := etcdStorage.GuaranteedUpdate(key, result, false, func(obj runtime.Object, res storage.ResponseMeta) (runtime.Object, *uint64, error) {
if in, ok := obj.(*api.ServiceAccount); !ok || in.Name != "foo" {
t.Fatalf("unexpected existing object: %v", obj)
}
if res.TTL != 0 {
t.Fatalf("unexpected TTL: %#v", res)
}
ttl := uint64(10)
out := &api.ServiceAccount{ObjectMeta: api.ObjectMeta{Name: "out"}}
return out, &ttl, nil
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result.Name != "out" {
t.Errorf("unexpected response: %#v", result)
}
if res, err := client.Get(key, false, false); err != nil || res == nil || res.Node.TTL != 10 {
t.Fatalf("unexpected get: %v %#v", err, res)
}
result = &api.ServiceAccount{}
err = etcdStorage.GuaranteedUpdate(key, result, false, func(obj runtime.Object, res storage.ResponseMeta) (runtime.Object, *uint64, error) {
if in, ok := obj.(*api.ServiceAccount); !ok || in.Name != "out" {
t.Fatalf("unexpected existing object: %v", obj)
}
if res.TTL <= 1 {
t.Fatalf("unexpected TTL: %#v", res)
}
out := &api.ServiceAccount{ObjectMeta: api.ObjectMeta{Name: "out2"}}
return out, nil, nil
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result.Name != "out2" {
t.Errorf("unexpected response: %#v", result)
}
if res, err := client.Get(key, false, false); err != nil || res == nil || res.Node.TTL <= 1 {
t.Fatalf("unexpected get: %v %#v", err, res)
}
})
}
func TestSet(t *testing.T) {
client := framework.NewEtcdClient()
etcdStorage := etcd.NewEtcdStorage(client, testapi.Default.Codec(), "")
framework.WithEtcdKey(func(key string) {
testObject := api.ServiceAccount{ObjectMeta: api.ObjectMeta{Name: "foo"}}
if err := etcdStorage.Set(key, &testObject, nil, 0); err != nil {
t.Fatalf("unexpected error: %v", err)
}
resp, err := client.Get(key, false, false)
if err != nil || resp.Node == nil {
t.Fatalf("unexpected error: %v %v", err, resp)
}
decoded, err := testapi.Default.Codec().Decode([]byte(resp.Node.Value))
if err != nil {
t.Fatalf("unexpected response: %#v", resp.Node)
}
result := *decoded.(*api.ServiceAccount)
if !api.Semantic.DeepEqual(testObject, result) {
t.Errorf("expected: %#v got: %#v", testObject, result)
}
})
}
func TestGet(t *testing.T) {
client := framework.NewEtcdClient()
etcdStorage := etcd.NewEtcdStorage(client, testapi.Default.Codec(), "")
framework.WithEtcdKey(func(key string) {
testObject := api.ServiceAccount{ObjectMeta: api.ObjectMeta{Name: "foo"}}
coded, err := testapi.Default.Codec().Encode(&testObject)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
_, err = client.Set(key, string(coded), 0)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
result := api.ServiceAccount{}
if err := etcdStorage.Get(key, &result, false); err != nil {
t.Fatalf("unexpected error: %v", err)
}
// Propagate ResourceVersion (it is set automatically).
testObject.ObjectMeta.ResourceVersion = result.ObjectMeta.ResourceVersion
if !api.Semantic.DeepEqual(testObject, result) {
t.Errorf("expected: %#v got: %#v", testObject, result)
}
})
}