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symlink_test.go
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symlink_test.go
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// Copyright 2018 Google 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.
//go:build !windows
// +build !windows
package renameio
import (
"bytes"
"io/ioutil"
"os"
"path/filepath"
"testing"
)
func TestSymlink(t *testing.T) {
d, err := ioutil.TempDir("", "tempdirtest")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(d)
want := []byte("Hello World")
if err := ioutil.WriteFile(filepath.Join(d, "hello.txt"), want, 0644); err != nil {
t.Fatal(err)
}
for i := 0; i < 2; i++ {
if err := Symlink("hello.txt", filepath.Join(d, "hi.txt")); err != nil {
t.Fatal(err)
}
got, err := ioutil.ReadFile(filepath.Join(d, "hi.txt"))
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(got, want) {
t.Fatalf("unexpected content: got %q, want %q", string(got), string(want))
}
}
}