271 lines
6.2 KiB
Go
271 lines
6.2 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package osutil_test
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import (
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"os"
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"path/filepath"
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"runtime"
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"strings"
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"testing"
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"github.com/syncthing/syncthing/lib/fs"
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"github.com/syncthing/syncthing/lib/osutil"
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)
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func TestInWriteableDir(t *testing.T) {
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err := os.RemoveAll("testdata")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll("testdata")
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fs := fs.NewFilesystem(fs.FilesystemTypeBasic, ".")
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os.Mkdir("testdata", 0700)
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os.Mkdir("testdata/rw", 0700)
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os.Mkdir("testdata/ro", 0500)
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create := func(name string) error {
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fd, err := os.Create(name)
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if err != nil {
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return err
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}
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fd.Close()
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return nil
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}
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// These should succeed
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err = osutil.InWritableDir(create, fs, "testdata/file")
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if err != nil {
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t.Error("testdata/file:", err)
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}
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err = osutil.InWritableDir(create, fs, "testdata/rw/foo")
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if err != nil {
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t.Error("testdata/rw/foo:", err)
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}
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err = osutil.InWritableDir(os.Remove, fs, "testdata/rw/foo")
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if err != nil {
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t.Error("testdata/rw/foo:", err)
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}
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err = osutil.InWritableDir(create, fs, "testdata/ro/foo")
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if err != nil {
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t.Error("testdata/ro/foo:", err)
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}
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err = osutil.InWritableDir(os.Remove, fs, "testdata/ro/foo")
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if err != nil {
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t.Error("testdata/ro/foo:", err)
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}
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// These should not
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err = osutil.InWritableDir(create, fs, "testdata/nonexistent/foo")
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if err == nil {
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t.Error("testdata/nonexistent/foo returned nil error")
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}
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err = osutil.InWritableDir(create, fs, "testdata/file/foo")
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if err == nil {
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t.Error("testdata/file/foo returned nil error")
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}
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}
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func TestInWritableDirWindowsRemove(t *testing.T) {
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// os.Remove should remove read only things on windows
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if runtime.GOOS != "windows" {
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t.Skipf("Tests not required")
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return
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}
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err := os.RemoveAll("testdata")
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if err != nil {
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t.Fatal(err)
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}
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defer os.Chmod("testdata/windows/ro/readonlynew", 0700)
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defer os.RemoveAll("testdata")
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create := func(name string) error {
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fd, err := os.Create(name)
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if err != nil {
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return err
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}
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fd.Close()
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return nil
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}
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os.Mkdir("testdata", 0700)
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os.Mkdir("testdata/windows", 0500)
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os.Mkdir("testdata/windows/ro", 0500)
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create("testdata/windows/ro/readonly")
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os.Chmod("testdata/windows/ro/readonly", 0500)
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fs := fs.NewFilesystem(fs.FilesystemTypeBasic, ".")
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for _, path := range []string{"testdata/windows/ro/readonly", "testdata/windows/ro", "testdata/windows"} {
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err := osutil.InWritableDir(os.Remove, fs, path)
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if err != nil {
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t.Errorf("Unexpected error %s: %s", path, err)
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}
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}
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}
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func TestInWritableDirWindowsRemoveAll(t *testing.T) {
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// os.RemoveAll should remove read only things on windows
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if runtime.GOOS != "windows" {
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t.Skipf("Tests not required")
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return
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}
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err := os.RemoveAll("testdata")
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if err != nil {
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t.Fatal(err)
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}
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defer os.Chmod("testdata/windows/ro/readonlynew", 0700)
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defer os.RemoveAll("testdata")
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create := func(name string) error {
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fd, err := os.Create(name)
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if err != nil {
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return err
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}
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fd.Close()
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return nil
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}
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os.Mkdir("testdata", 0700)
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os.Mkdir("testdata/windows", 0500)
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os.Mkdir("testdata/windows/ro", 0500)
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create("testdata/windows/ro/readonly")
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os.Chmod("testdata/windows/ro/readonly", 0500)
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if err := os.RemoveAll("testdata/windows"); err != nil {
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t.Errorf("Unexpected error: %s", err)
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}
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}
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func TestInWritableDirWindowsRename(t *testing.T) {
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if runtime.GOOS != "windows" {
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t.Skipf("Tests not required")
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return
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}
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err := os.RemoveAll("testdata")
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if err != nil {
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t.Fatal(err)
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}
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defer os.Chmod("testdata/windows/ro/readonlynew", 0700)
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defer os.RemoveAll("testdata")
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create := func(name string) error {
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fd, err := os.Create(name)
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if err != nil {
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return err
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}
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fd.Close()
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return nil
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}
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os.Mkdir("testdata", 0700)
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os.Mkdir("testdata/windows", 0500)
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os.Mkdir("testdata/windows/ro", 0500)
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create("testdata/windows/ro/readonly")
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os.Chmod("testdata/windows/ro/readonly", 0500)
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fs := fs.NewFilesystem(fs.FilesystemTypeBasic, ".")
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for _, path := range []string{"testdata/windows/ro/readonly", "testdata/windows/ro", "testdata/windows"} {
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err := os.Rename(path, path+"new")
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if err == nil {
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t.Skipf("seem like this test doesn't work here")
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return
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}
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}
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rename := func(path string) error {
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return osutil.Rename(fs, path, path+"new")
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}
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for _, path := range []string{"testdata/windows/ro/readonly", "testdata/windows/ro", "testdata/windows"} {
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err := osutil.InWritableDir(rename, fs, path)
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if err != nil {
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t.Errorf("Unexpected error %s: %s", path, err)
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}
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_, err = os.Stat(path + "new")
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if err != nil {
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t.Errorf("Unexpected error %s: %s", path, err)
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}
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}
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}
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func TestIsDeleted(t *testing.T) {
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type tc struct {
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path string
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isDel bool
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}
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cases := []tc{
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{"del", true},
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{"del.file", false},
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{"del/del", true},
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{"file", false},
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{"linkToFile", false},
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{"linkToDel", false},
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{"linkToDir", false},
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{"linkToDir/file", true},
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{"file/behindFile", true},
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{"dir", false},
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{"dir.file", false},
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{"dir/file", false},
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{"dir/del", true},
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{"dir/del/del", true},
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{"del/del/del", true},
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}
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testFs := fs.NewFilesystem(fs.FilesystemTypeBasic, "testdata")
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testFs.MkdirAll("dir", 0777)
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for _, f := range []string{"file", "del.file", "dir.file", "dir/file"} {
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fd, err := testFs.Create(f)
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if err != nil {
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t.Fatal(err)
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}
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fd.Close()
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}
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if runtime.GOOS != "windows" {
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// Can't create unreadable dir on windows
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testFs.MkdirAll("inacc", 0777)
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if err := testFs.Chmod("inacc", 0000); err == nil {
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if _, err := testFs.Lstat("inacc/file"); fs.IsPermission(err) {
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// May fail e.g. if tests are run as root -> just skip
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cases = append(cases, tc{"inacc", false}, tc{"inacc/file", false})
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}
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}
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}
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for _, n := range []string{"Dir", "File", "Del"} {
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if err := osutil.DebugSymlinkForTestsOnly(filepath.Join(testFs.URI(), strings.ToLower(n)), filepath.Join(testFs.URI(), "linkTo"+n)); err != nil {
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if runtime.GOOS == "windows" {
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t.Skip("Symlinks aren't working")
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}
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t.Fatal(err)
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}
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}
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for _, c := range cases {
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if osutil.IsDeleted(testFs, c.path) != c.isDel {
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t.Errorf("IsDeleted(%v) != %v", c.path, c.isDel)
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}
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}
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testFs.Chmod("inacc", 0777)
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os.RemoveAll("testdata")
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}
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