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pkg/fileutil: test "Exist" on directory

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Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyuho Lee 2018-04-08 14:24:59 -07:00
parent f53c153fa9
commit b8bf42cc5a
3 changed files with 30 additions and 1 deletions
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16
pkg/fileutil/doc.go Normal file
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@ -0,0 +1,16 @@
// Copyright 2018 The etcd 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 fileutil implements utility functions related to files and paths.
package fileutil

2
pkg/fileutil/fileutil.go
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@ -12,7 +12,6 @@
// See the License for the specific language governing permissions and
// limitations under the License.
// Package fileutil implements utility functions related to files and paths.
package fileutil
import (
@ -93,6 +92,7 @@ func CreateDirAll(dir string) error {
return err
}
// Exist returns true if a file or directory exists.
func Exist(name string) bool {
_, err := os.Stat(name)
return err == nil

13
pkg/fileutil/fileutil_test.go
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@ -15,8 +15,10 @@
package fileutil
import (
"fmt"
"io"
"io/ioutil"
"math/rand"
"os"
"os/user"
"path/filepath"
@ -24,6 +26,7 @@ import (
"runtime"
"strings"
"testing"
"time"
)
func TestIsDirWriteable(t *testing.T) {
@ -104,6 +107,16 @@ func TestCreateDirAll(t *testing.T) {
}
func TestExist(t *testing.T) {
fdir := filepath.Join(os.TempDir(), fmt.Sprint(time.Now().UnixNano()+rand.Int63n(1000)))
os.RemoveAll(fdir)
if err := os.Mkdir(fdir, 0666); err != nil {
t.Skip(err)
}
defer os.RemoveAll(fdir)
if !Exist(fdir) {
t.Fatalf("expected Exist true, got %v", Exist(fdir))
}
f, err := ioutil.TempFile(os.TempDir(), "fileutil")
if err != nil {
t.Fatal(err)