-
Notifications
You must be signed in to change notification settings - Fork 375
/
files.go
44 lines (37 loc) · 1.26 KB
/
files.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
// Copyright 2018 Google Inc. All Rights Reserved.
//
// 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 setup
import (
"io/ioutil"
"os"
"testing"
)
// TempFile creates a temporary file to be used in a test, and returns its
// *os.File handler, as well as a cleanup function.
func TempFile(t *testing.T, prefix string) (*os.File, func()) {
t.Helper()
file, err := ioutil.TempFile("", prefix)
if err != nil {
t.Fatalf("Failed to generate a temporary file: %v", err)
}
cleanup := func() {
if err := os.Remove(file.Name()); err != nil {
t.Fatalf("Failed to remove temporary file '%s': %v", file.Name(), err)
}
if err := file.Close(); err != nil {
t.Fatalf("Failed to close temporary file handler '%v': %v", file, err)
}
}
return file, cleanup
}