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))
}
}
// NewFrameWriter implements stream framing for this serializer
func (lengthDelimitedFramer) NewFrameWriter(w io.Writer) io.Writer {
return framer.NewLengthDelimitedFrameWriter(w)
}