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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package os_test
import (
"io/ioutil"
. "os"
"path/filepath"
"runtime"
"syscall"
"testing"
)
var isReadonlyError = func(error) bool { return false }
func TestMkdirAll(t *testing.T) {
tmpDir := TempDir()
path := tmpDir + "/_TestMkdirAll_/dir/./dir2"
err := MkdirAll(path, 0777)
if err != nil {
t.Fatalf("MkdirAll %q: %s", path, err)
}
defer RemoveAll(tmpDir + "/_TestMkdirAll_")
// Already exists, should succeed.
err = MkdirAll(path, 0777)
if err != nil {
t.Fatalf("MkdirAll %q (second time): %s", path, err)
}
// Make file.
fpath := path + "/file"
f, err := Create(fpath)
if err != nil {
t.Fatalf("create %q: %s", fpath, err)
}
defer f.Close()
// Can't make directory named after file.
err = MkdirAll(fpath, 0777)
if err == nil {
t.Fatalf("MkdirAll %q: no error", fpath)
}
perr, ok := err.(*PathError)
if !ok {
t.Fatalf("MkdirAll %q returned %T, not *PathError", fpath, err)
}
if filepath.Clean(perr.Path) != filepath.Clean(fpath) {
t.Fatalf("MkdirAll %q returned wrong error path: %q not %q", fpath, filepath.Clean(perr.Path), filepath.Clean(fpath))
}
// Can't make subdirectory of file.
ffpath := fpath + "/subdir"
err = MkdirAll(ffpath, 0777)
if err == nil {
t.Fatalf("MkdirAll %q: no error", ffpath)
}
perr, ok = err.(*PathError)
if !ok {
t.Fatalf("MkdirAll %q returned %T, not *PathError", ffpath, err)
}
if filepath.Clean(perr.Path) != filepath.Clean(fpath) {
t.Fatalf("MkdirAll %q returned wrong error path: %q not %q", ffpath, filepath.Clean(perr.Path), filepath.Clean(fpath))
}
if runtime.GOOS == "windows" {
path := tmpDir + `\_TestMkdirAll_\dir\.\dir2\`
err := MkdirAll(path, 0777)
if err != nil {
t.Fatalf("MkdirAll %q: %s", path, err)
}
}
}
func TestRemoveAll(t *testing.T) {
tmpDir := TempDir()
// Work directory.
path := tmpDir + "/_TestRemoveAll_"
fpath := path + "/file"
dpath := path + "/dir"
// Make directory with 1 file and remove.
if err := MkdirAll(path, 0777); err != nil {
t.Fatalf("MkdirAll %q: %s", path, err)
}
fd, err := Create(fpath)
if err != nil {
t.Fatalf("create %q: %s", fpath, err)
}
fd.Close()
if err = RemoveAll(path); err != nil {
t.Fatalf("RemoveAll %q (first): %s", path, err)
}
if _, err = Lstat(path); err == nil {
t.Fatalf("Lstat %q succeeded after RemoveAll (first)", path)
}
// Make directory with file and subdirectory and remove.
if err = MkdirAll(dpath, 0777); err != nil {
t.Fatalf("MkdirAll %q: %s", dpath, err)
}
fd, err = Create(fpath)
if err != nil {
t.Fatalf("create %q: %s", fpath, err)
}
fd.Close()
fd, err = Create(dpath + "/file")
if err != nil {
t.Fatalf("create %q: %s", fpath, err)
}
fd.Close()
if err = RemoveAll(path); err != nil {
t.Fatalf("RemoveAll %q (second): %s", path, err)
}
if _, err := Lstat(path); err == nil {
t.Fatalf("Lstat %q succeeded after RemoveAll (second)", path)
}
// Determine if we should run the following test.
testit := true
if runtime.GOOS == "windows" {
// Chmod is not supported under windows.
testit = false
} else {
// Test fails as root.
testit = Getuid() != 0
}
if testit {
// Make directory with file and subdirectory and trigger error.
if err = MkdirAll(dpath, 0777); err != nil {
t.Fatalf("MkdirAll %q: %s", dpath, err)
}
for _, s := range []string{fpath, dpath + "/file1", path + "/zzz"} {
fd, err = Create(s)
if err != nil {
t.Fatalf("create %q: %s", s, err)
}
fd.Close()
}
if err = Chmod(dpath, 0); err != nil {
t.Fatalf("Chmod %q 0: %s", dpath, err)
}
// No error checking here: either RemoveAll
// will or won't be able to remove dpath;
// either way we want to see if it removes fpath
// and path/zzz. Reasons why RemoveAll might
// succeed in removing dpath as well include:
// * running as root
// * running on a file system without permissions (FAT)
RemoveAll(path)
Chmod(dpath, 0777)
for _, s := range []string{fpath, path + "/zzz"} {
if _, err = Lstat(s); err == nil {
t.Fatalf("Lstat %q succeeded after partial RemoveAll", s)
}
}
}
if err = RemoveAll(path); err != nil {
t.Fatalf("RemoveAll %q after partial RemoveAll: %s", path, err)
}
if _, err = Lstat(path); err == nil {
t.Fatalf("Lstat %q succeeded after RemoveAll (final)", path)
}
}
func TestMkdirAllWithSymlink(t *testing.T) {
switch runtime.GOOS {
case "android", "nacl", "plan9":
t.Skipf("skipping on %s", runtime.GOOS)
case "windows":
if !supportsSymlinks {
t.Skipf("skipping on %s", runtime.GOOS)
}
}
tmpDir, err := ioutil.TempDir("", "TestMkdirAllWithSymlink-")
if err != nil {
t.Fatal(err)
}
defer RemoveAll(tmpDir)
dir := tmpDir + "/dir"
err = Mkdir(dir, 0755)
if err != nil {
t.Fatalf("Mkdir %s: %s", dir, err)
}
link := tmpDir + "/link"
err = Symlink("dir", link)
if err != nil {
t.Fatalf("Symlink %s: %s", link, err)
}
path := link + "/foo"
err = MkdirAll(path, 0755)
if err != nil {
t.Errorf("MkdirAll %q: %s", path, err)
}
}
func TestMkdirAllAtSlash(t *testing.T) {
switch runtime.GOOS {
case "android", "plan9", "windows":
t.Skipf("skipping on %s", runtime.GOOS)
case "darwin":
switch runtime.GOARCH {
case "arm", "arm64":
t.Skipf("skipping on darwin/%s, mkdir returns EPERM", runtime.GOARCH)
}
}
RemoveAll("/_go_os_test")
const dir = "/_go_os_test/dir"
err := MkdirAll(dir, 0777)
if err != nil {
pathErr, ok := err.(*PathError)
// common for users not to be able to write to /
if ok && (pathErr.Err == syscall.EACCES || isReadonlyError(pathErr.Err)) {
t.Skipf("could not create %v: %v", dir, err)
}
t.Fatalf(`MkdirAll "/_go_os_test/dir": %v, %s`, err, pathErr.Err)
}
RemoveAll("/_go_os_test")
}
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