Files
tidb/br/pkg/storage/local_test.go

92 lines
2.3 KiB
Go

// Copyright 2020 PingCAP, Inc. Licensed under Apache-2.0.
package storage
import (
"context"
"os"
"path/filepath"
"runtime"
"testing"
"github.com/stretchr/testify/require"
)
func TestDeleteFile(t *testing.T) {
dir := t.TempDir()
sb, err := ParseBackend("file://"+filepath.ToSlash(dir), &BackendOptions{})
require.NoError(t, err)
store, err := Create(context.TODO(), sb, true)
require.NoError(t, err)
name := "test_delete"
ret, err := store.FileExists(context.Background(), name)
require.NoError(t, err)
require.Equal(t, false, ret)
_, err = store.Create(context.Background(), name)
require.NoError(t, err)
ret, err = store.FileExists(context.Background(), name)
require.NoError(t, err)
require.Equal(t, true, ret)
err = store.DeleteFile(context.Background(), name)
require.NoError(t, err)
ret, err = store.FileExists(context.Background(), name)
require.NoError(t, err)
require.Equal(t, false, ret)
}
func TestWalkDirWithSoftLinkFile(t *testing.T) {
if runtime.GOOS == "windows" {
// skip the test on windows. typically windows users don't have symlink permission.
return
}
dir1 := t.TempDir()
name1 := "test.warehouse.0.sql"
path1 := filepath.Join(dir1, name1)
f1, err := os.Create(path1)
require.NoError(t, err)
data := "/* whatever pragmas */;" +
"INSERT INTO `namespaced`.`table` (columns, more, columns) VALUES (1,-2, 3),\n(4,5., 6);" +
"INSERT `namespaced`.`table` (x,y,z) VALUES (7,8,9);" +
"insert another_table values (10,11e1,12, '(13)', '(', 14, ')');"
_, err = f1.Write([]byte(data))
require.NoError(t, err)
err = f1.Close()
require.NoError(t, err)
dir2 := t.TempDir()
name2 := "test.warehouse.1.sql"
f2, err := os.Create(filepath.Join(dir2, name2))
require.NoError(t, err)
_, err = f2.Write([]byte(data))
require.NoError(t, err)
err = f2.Close()
require.NoError(t, err)
err = os.Symlink(path1, filepath.Join(dir2, name1))
require.NoError(t, err)
sb, err := ParseBackend("file://"+filepath.ToSlash(dir2), &BackendOptions{})
require.NoError(t, err)
store, err := Create(context.TODO(), sb, true)
require.NoError(t, err)
i := 0
names := []string{name1, name2}
err = store.WalkDir(context.TODO(), &WalkOption{}, func(path string, size int64) error {
require.Equal(t, names[i], path)
require.Equal(t, int64(len(data)), size)
i++
return nil
})
require.NoError(t, err)
require.Equal(t, 2, i)
}