Files
tidb/pkg/objstore/compress_test.go

57 lines
1.8 KiB
Go

// Copyright 2020 PingCAP, Inc.
//
// 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 objstore
import (
"context"
"io"
"os"
"path/filepath"
"strings"
"testing"
"github.com/pingcap/tidb/pkg/objstore/compressedio"
"github.com/stretchr/testify/require"
)
func TestWithCompressReadWriteFile(t *testing.T) {
dir := t.TempDir()
backend, err := ParseBackend("local://"+filepath.ToSlash(dir), nil)
require.NoError(t, err)
ctx := context.Background()
storage, err := Create(ctx, backend, true)
require.NoError(t, err)
storage = WithCompression(storage, compressedio.Gzip, compressedio.DecompressConfig{})
name := "with compress test"
content := "hello,world!"
fileName := strings.ReplaceAll(name, " ", "-") + ".txt.gz"
err = storage.WriteFile(ctx, fileName, []byte(content))
require.NoError(t, err)
// make sure compressed file is written correctly
file, err := os.Open(filepath.Join(dir, fileName))
require.NoError(t, err)
uncompressedFile, err := compressedio.NewReader(compressedio.Gzip, compressedio.DecompressConfig{}, file)
require.NoError(t, err)
newContent, err := io.ReadAll(uncompressedFile)
require.NoError(t, err)
require.Equal(t, content, string(newContent))
// test withCompression ReadFile
newContent, err = storage.ReadFile(ctx, fileName)
require.NoError(t, err)
require.Equal(t, content, string(newContent))
}