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1 // Copyright 2009 The Go Authors. All rights reserved.
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2 // Use of this source code is governed by a BSD-style
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3 // license that can be found in the LICENSE file.
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4
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5 package os_test
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6
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7 import (
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8 "internal/testenv"
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9 "io/ioutil"
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10 . "os"
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11 "path/filepath"
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12 "runtime"
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13 "syscall"
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14 "testing"
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15 )
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16
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17 var isReadonlyError = func(error) bool { return false }
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18
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19 func TestMkdirAll(t *testing.T) {
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20 tmpDir := TempDir()
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21 path := tmpDir + "/_TestMkdirAll_/dir/./dir2"
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22 err := MkdirAll(path, 0777)
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23 if err != nil {
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24 t.Fatalf("MkdirAll %q: %s", path, err)
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25 }
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26 defer RemoveAll(tmpDir + "/_TestMkdirAll_")
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27
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28 // Already exists, should succeed.
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29 err = MkdirAll(path, 0777)
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30 if err != nil {
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31 t.Fatalf("MkdirAll %q (second time): %s", path, err)
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32 }
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33
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34 // Make file.
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35 fpath := path + "/file"
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36 f, err := Create(fpath)
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37 if err != nil {
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38 t.Fatalf("create %q: %s", fpath, err)
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39 }
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40 defer f.Close()
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41
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42 // Can't make directory named after file.
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43 err = MkdirAll(fpath, 0777)
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44 if err == nil {
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45 t.Fatalf("MkdirAll %q: no error", fpath)
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46 }
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47 perr, ok := err.(*PathError)
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48 if !ok {
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49 t.Fatalf("MkdirAll %q returned %T, not *PathError", fpath, err)
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50 }
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51 if filepath.Clean(perr.Path) != filepath.Clean(fpath) {
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52 t.Fatalf("MkdirAll %q returned wrong error path: %q not %q", fpath, filepath.Clean(perr.Path), filepath.Clean(fpath))
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53 }
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54
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55 // Can't make subdirectory of file.
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56 ffpath := fpath + "/subdir"
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57 err = MkdirAll(ffpath, 0777)
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58 if err == nil {
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59 t.Fatalf("MkdirAll %q: no error", ffpath)
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60 }
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61 perr, ok = err.(*PathError)
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62 if !ok {
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63 t.Fatalf("MkdirAll %q returned %T, not *PathError", ffpath, err)
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64 }
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65 if filepath.Clean(perr.Path) != filepath.Clean(fpath) {
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66 t.Fatalf("MkdirAll %q returned wrong error path: %q not %q", ffpath, filepath.Clean(perr.Path), filepath.Clean(fpath))
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67 }
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68
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69 if runtime.GOOS == "windows" {
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70 path := tmpDir + `\_TestMkdirAll_\dir\.\dir2\`
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71 err := MkdirAll(path, 0777)
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72 if err != nil {
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73 t.Fatalf("MkdirAll %q: %s", path, err)
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74 }
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75 }
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76 }
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77
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78 func TestMkdirAllWithSymlink(t *testing.T) {
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79 testenv.MustHaveSymlink(t)
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80
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81 tmpDir, err := ioutil.TempDir("", "TestMkdirAllWithSymlink-")
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82 if err != nil {
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83 t.Fatal(err)
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84 }
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85 defer RemoveAll(tmpDir)
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86
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87 dir := tmpDir + "/dir"
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88 err = Mkdir(dir, 0755)
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89 if err != nil {
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90 t.Fatalf("Mkdir %s: %s", dir, err)
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91 }
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92
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93 link := tmpDir + "/link"
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94 err = Symlink("dir", link)
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95 if err != nil {
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96 t.Fatalf("Symlink %s: %s", link, err)
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97 }
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98
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99 path := link + "/foo"
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100 err = MkdirAll(path, 0755)
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101 if err != nil {
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102 t.Errorf("MkdirAll %q: %s", path, err)
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103 }
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104 }
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105
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106 func TestMkdirAllAtSlash(t *testing.T) {
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107 switch runtime.GOOS {
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108 case "android", "plan9", "windows":
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109 t.Skipf("skipping on %s", runtime.GOOS)
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110 case "darwin":
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111 switch runtime.GOARCH {
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112 case "arm", "arm64":
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113 t.Skipf("skipping on darwin/%s, mkdir returns EPERM", runtime.GOARCH)
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114 }
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115 }
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116 RemoveAll("/_go_os_test")
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117 const dir = "/_go_os_test/dir"
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118 err := MkdirAll(dir, 0777)
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119 if err != nil {
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120 pathErr, ok := err.(*PathError)
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121 // common for users not to be able to write to /
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122 if ok && (pathErr.Err == syscall.EACCES || isReadonlyError(pathErr.Err)) {
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123 t.Skipf("could not create %v: %v", dir, err)
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124 }
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125 t.Fatalf(`MkdirAll "/_go_os_test/dir": %v, %s`, err, pathErr.Err)
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126 }
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127 RemoveAll("/_go_os_test")
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128 }
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