frostfs-sdk-go/client/object_test.go
Evgenii Stratonikov 4855154b35 [#62] client: move package from neofs-api-go
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2021-11-10 18:29:19 +03:00

94 lines
1.5 KiB
Go

package client
import (
"io"
"testing"
"github.com/nspcc-dev/neofs-api-go/v2/object"
"github.com/nspcc-dev/neofs-api-go/v2/signature"
"github.com/nspcc-dev/neofs-crypto/test"
"github.com/stretchr/testify/require"
)
type singleResponseStream struct {
called bool
resp object.GetResponse
}
func (x *singleResponseStream) Read(r *object.GetResponse) error {
if x.called {
return io.EOF
}
x.called = true
*r = x.resp
return nil
}
var key = test.DecodeKey(0)
func chunkResponse(c []byte) (r object.GetResponse) {
chunkPart := new(object.GetObjectPartChunk)
chunkPart.SetChunk(c)
body := new(object.GetResponseBody)
body.SetObjectPart(chunkPart)
r.SetBody(body)
if err := signature.SignServiceMessage(key, &r); err != nil {
panic(err)
}
return
}
func data(sz int) []byte {
data := make([]byte, sz)
for i := range data {
data[i] = byte(i) % ^byte(0)
}
return data
}
func checkFullRead(t *testing.T, r io.Reader, buf, payload []byte) {
var (
restored []byte
read int
)
for {
n, err := r.Read(buf)
read += n
restored = append(restored, buf[:n]...)
if err != nil {
require.Equal(t, err, io.EOF)
break
}
}
require.Equal(t, payload, restored)
require.EqualValues(t, len(payload), read)
}
func TestObjectPayloadReader_Read(t *testing.T) {
t.Run("read with tail", func(t *testing.T) {
payload := data(10)
buf := make([]byte, len(payload)-1)
var r io.Reader = &objectPayloadReader{
stream: &singleResponseStream{
resp: chunkResponse(payload),
},
}
checkFullRead(t, r, buf, payload)
})
}