96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
/*
|
|
Copyright The containerd 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 client
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
"testing"
|
|
|
|
"github.com/containerd/containerd"
|
|
"github.com/containerd/containerd/pkg/transfer/archive"
|
|
)
|
|
|
|
func TestTransferEcho(t *testing.T) {
|
|
client, err := newClient(t, address)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer client.Close()
|
|
|
|
ctx, cancel := testContext(t)
|
|
defer cancel()
|
|
t.Run("ImportExportEchoBig", newImportExportEcho(ctx, client, bytes.Repeat([]byte("somecontent"), 17*1024)))
|
|
t.Run("ImportExportEchoSmall", newImportExportEcho(ctx, client, []byte("somecontent")))
|
|
t.Run("ImportExportEchoEmpty", newImportExportEcho(ctx, client, []byte("")))
|
|
|
|
}
|
|
|
|
func newImportExportEcho(ctx context.Context, client *containerd.Client, expected []byte) func(*testing.T) {
|
|
return func(t *testing.T) {
|
|
testBuf := newWaitBuffer()
|
|
err := client.Transfer(ctx, archive.NewImageImportStream(bytes.NewReader(expected), "application/octet-stream"), archive.NewImageExportStream(testBuf))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !bytes.Equal(expected, testBuf.Bytes()) {
|
|
t.Fatalf("Bytes did not match\n\tActual: %v\n\tExpected: %v", displayBytes(testBuf.Bytes()), displayBytes(expected))
|
|
}
|
|
}
|
|
}
|
|
|
|
type WriteBytesCloser interface {
|
|
io.WriteCloser
|
|
Bytes() []byte
|
|
}
|
|
|
|
func newWaitBuffer() WriteBytesCloser {
|
|
return &waitBuffer{
|
|
Buffer: bytes.NewBuffer(nil),
|
|
closed: make(chan struct{}),
|
|
}
|
|
}
|
|
|
|
type waitBuffer struct {
|
|
*bytes.Buffer
|
|
closed chan struct{}
|
|
}
|
|
|
|
func (wb *waitBuffer) Close() error {
|
|
select {
|
|
case <-wb.closed:
|
|
default:
|
|
close(wb.closed)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (wb *waitBuffer) Bytes() []byte {
|
|
<-wb.closed
|
|
return wb.Buffer.Bytes()
|
|
}
|
|
|
|
func displayBytes(b []byte) string {
|
|
if len(b) > 40 {
|
|
skipped := len(b) - 20
|
|
return fmt.Sprintf("%s...(skipped %d)...%s", b[:10], skipped, b[len(b)-10:])
|
|
}
|
|
return string(b)
|
|
}
|