mirror of https://github.com/k3s-io/k3s
85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
/*
|
|
Copyright 2016 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 streaming
|
|
|
|
import (
|
|
"bytes"
|
|
"io"
|
|
"io/ioutil"
|
|
"testing"
|
|
|
|
"k8s.io/kubernetes/pkg/runtime"
|
|
"k8s.io/kubernetes/pkg/runtime/schema"
|
|
"k8s.io/kubernetes/pkg/util/framer"
|
|
)
|
|
|
|
type fakeDecoder struct {
|
|
got []byte
|
|
obj runtime.Object
|
|
err error
|
|
}
|
|
|
|
func (d *fakeDecoder) Decode(data []byte, gvk *schema.GroupVersionKind, into runtime.Object) (runtime.Object, *schema.GroupVersionKind, error) {
|
|
d.got = data
|
|
return d.obj, nil, d.err
|
|
}
|
|
|
|
func TestEmptyDecoder(t *testing.T) {
|
|
buf := bytes.NewBuffer([]byte{})
|
|
d := &fakeDecoder{}
|
|
_, _, err := NewDecoder(ioutil.NopCloser(buf), d).Decode(nil, nil)
|
|
if err != io.EOF {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestDecoder(t *testing.T) {
|
|
frames := [][]byte{
|
|
make([]byte, 1025),
|
|
make([]byte, 1024*5),
|
|
make([]byte, 1024*1024*5),
|
|
make([]byte, 1025),
|
|
}
|
|
pr, pw := io.Pipe()
|
|
fw := framer.NewLengthDelimitedFrameWriter(pw)
|
|
go func() {
|
|
for i := range frames {
|
|
fw.Write(frames[i])
|
|
}
|
|
pw.Close()
|
|
}()
|
|
|
|
r := framer.NewLengthDelimitedFrameReader(pr)
|
|
d := &fakeDecoder{}
|
|
dec := NewDecoder(r, d)
|
|
if _, _, err := dec.Decode(nil, nil); err != nil || !bytes.Equal(d.got, frames[0]) {
|
|
t.Fatalf("unexpected %v %v", err, len(d.got))
|
|
}
|
|
if _, _, err := dec.Decode(nil, nil); err != nil || !bytes.Equal(d.got, frames[1]) {
|
|
t.Fatalf("unexpected %v %v", err, len(d.got))
|
|
}
|
|
if _, _, err := dec.Decode(nil, nil); err != ErrObjectTooLarge || !bytes.Equal(d.got, frames[1]) {
|
|
t.Fatalf("unexpected %v %v", err, len(d.got))
|
|
}
|
|
if _, _, err := dec.Decode(nil, nil); err != nil || !bytes.Equal(d.got, frames[3]) {
|
|
t.Fatalf("unexpected %v %v", err, len(d.got))
|
|
}
|
|
if _, _, err := dec.Decode(nil, nil); err != io.EOF {
|
|
t.Fatalf("unexpected %v %v", err, len(d.got))
|
|
}
|
|
}
|