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888a0c8ef6
Fixes #35998 Change-Id: I87c6bf4e34e832be68862ca16ecfa6ea12048d31 Reviewed-on: https://go-review.googlesource.com/c/go/+/226877 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
66 lines
1.3 KiB
Go
66 lines
1.3 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package testing_test
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import (
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"io/ioutil"
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"os"
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"testing"
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)
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// This is exactly what a test would do without a TestMain.
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// It's here only so that there is at least one package in the
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// standard library with a TestMain, so that code is executed.
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func TestMain(m *testing.M) {
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os.Exit(m.Run())
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}
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func TestTempDir(t *testing.T) {
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dirCh := make(chan string, 1)
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t.Cleanup(func() {
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// Verify directory has been removed.
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select {
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case dir := <-dirCh:
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fi, err := os.Stat(dir)
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if os.IsNotExist(err) {
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// All good
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return
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}
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if err != nil {
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t.Fatal(err)
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}
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t.Errorf("directory %q stil exists: %v, isDir=%v", dir, fi, fi.IsDir())
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default:
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if !t.Failed() {
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t.Fatal("never received dir channel")
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}
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}
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})
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dir := t.TempDir()
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if dir == "" {
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t.Fatal("expected dir")
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}
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dir2 := t.TempDir()
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if dir != dir2 {
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t.Fatal("directory changed between calls")
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}
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dirCh <- dir
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fi, err := os.Stat(dir)
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if err != nil {
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t.Fatal(err)
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}
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if !fi.IsDir() {
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t.Errorf("dir %q is not a dir", dir)
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}
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fis, err := ioutil.ReadDir(dir)
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if err != nil {
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t.Fatal(err)
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}
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if len(fis) > 0 {
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t.Errorf("unexpected %d files in TempDir: %v", len(fis), fis)
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}
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}
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