| // 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 ( |
| "internal/testenv" |
| "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) { |
| testenv.MustHaveSymlink(t) |
| |
| 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") |
| } |