syncthing/lib/fs/basicfs_windows_test.go

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// Copyright (C) 2018 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
//go:build windows
// +build windows
package fs
import (
"os"
"path/filepath"
"runtime"
"strings"
"syscall"
"testing"
)
func TestWindowsPaths(t *testing.T) {
type testCase struct {
input string
expectedRoot string
expectedURI string
}
testCases := []testCase{
{`e:`, `\\?\e:\`, `e:\`},
{`e:\`, `\\?\e:\`, `e:\`},
{`e:\\`, `\\?\e:\`, `e:\`},
{`\\?\e:`, `\\?\e:\`, `e:\`},
{`\\?\e:\`, `\\?\e:\`, `e:\`},
{`\\?\e:\\`, `\\?\e:\`, `e:\`},
{`e:\x`, `\\?\e:\x`, `e:\x`},
{`e:\x\`, `\\?\e:\x`, `e:\x`},
{`e:\x\\`, `\\?\e:\x`, `e:\x`},
{`\\192.0.2.22\network\share`, `\\192.0.2.22\network\share`, `\\192.0.2.22\network\share`},
}
if runtime.Version() >= "go1.20" {
testCases = append(testCases,
testCase{`\\.\e:`, `\\.\e:\`, `e:\`},
testCase{`\\.\e:\`, `\\.\e:\`, `e:\`},
testCase{`\\.\e:\\`, `\\.\e:\`, `e:\`},
)
}
for i, testCase := range testCases {
fs := newBasicFilesystem(testCase.input)
if fs.root != testCase.expectedRoot {
t.Errorf("test %d: root: expected `%s`, got `%s`", i, testCase.expectedRoot, fs.root)
}
if fs.URI() != testCase.expectedURI {
t.Errorf("test %d: uri: expected `%s`, got `%s`", i, testCase.expectedURI, fs.URI())
}
}
fs := newBasicFilesystem(`relative\path`)
if fs.root == `relative\path` || !strings.HasPrefix(fs.root, "\\\\?\\") {
t.Errorf("%q == %q, expected absolutification", fs.root, `relative\path`)
}
}
func TestResolveWindows83(t *testing.T) {
fs, dir := setup(t)
if isMaybeWin83(dir) {
dir = fs.resolveWin83(dir)
fs = newBasicFilesystem(dir)
}
shortAbs, _ := fs.rooted("LFDATA~1")
long := "LFDataTool"
longAbs, _ := fs.rooted(long)
deleted, _ := fs.rooted(filepath.Join("foo", "LFDATA~1"))
notShort, _ := fs.rooted(filepath.Join("foo", "bar", "baz"))
fd, err := fs.Create(long)
if err != nil {
t.Fatal(err)
}
fd.Close()
if res := fs.resolveWin83(shortAbs); res != longAbs {
t.Errorf(`Resolving for 8.3 names of "%v" resulted in "%v", expected "%v"`, shortAbs, res, longAbs)
}
if res := fs.resolveWin83(deleted); res != filepath.Dir(deleted) {
t.Errorf(`Resolving for 8.3 names of "%v" resulted in "%v", expected "%v"`, deleted, res, filepath.Dir(deleted))
}
if res := fs.resolveWin83(notShort); res != notShort {
t.Errorf(`Resolving for 8.3 names of "%v" resulted in "%v", expected "%v"`, notShort, res, notShort)
}
}
func TestIsWindows83(t *testing.T) {
fs, dir := setup(t)
if isMaybeWin83(dir) {
dir = fs.resolveWin83(dir)
fs = newBasicFilesystem(dir)
}
tempTop, _ := fs.rooted(TempName("baz"))
tempBelow, _ := fs.rooted(filepath.Join("foo", "bar", TempName("baz")))
short, _ := fs.rooted(filepath.Join("LFDATA~1", TempName("baz")))
tempAndShort, _ := fs.rooted(filepath.Join("LFDATA~1", TempName("baz")))
for _, f := range []string{tempTop, tempBelow} {
if isMaybeWin83(f) {
t.Errorf(`"%v" is not a windows 8.3 path"`, f)
}
}
for _, f := range []string{short, tempAndShort} {
if !isMaybeWin83(f) {
t.Errorf(`"%v" is not a windows 8.3 path"`, f)
}
}
}
func TestRelUnrootedCheckedWindows(t *testing.T) {
testCases := []struct {
root string
abs string
expectedRel string
}{
{`c:\`, `c:\foo`, `foo`},
{`C:\`, `c:\foo`, `foo`},
{`C:\`, `C:\foo`, `foo`},
{`c:\`, `C:\foo`, `foo`},
{`\\?c:\`, `\\?c:\foo`, `foo`},
{`\\?C:\`, `\\?c:\foo`, `foo`},
{`\\?C:\`, `\\?C:\foo`, `foo`},
{`\\?c:\`, `\\?C:\foo`, `foo`},
{`c:\foo`, `c:\foo\bar`, `bar`},
{`c:\foo`, `c:\foo\bAr`, `bAr`},
{`c:\foO`, `c:\Foo\bar`, `bar`},
{`c:\foO`, `c:\fOo\bAr`, `bAr`},
{`c:\foO`, `c:\fOo`, ``},
{`C:\foO`, `c:\fOo`, ``},
}
for _, tc := range testCases {
if res := rel(tc.abs, tc.root); res != tc.expectedRel {
t.Errorf(`rel("%v", "%v") == "%v", expected "%v"`, tc.abs, tc.root, res, tc.expectedRel)
}
// unrootedChecked really just wraps rel, and does not care about
// the actual root of that filesystem, but should not return an error
// on these test cases.
for _, root := range []string{tc.root, strings.ToLower(tc.root), strings.ToUpper(tc.root)} {
fs := BasicFilesystem{root: root}
if res, err := fs.unrootedChecked(tc.abs, []string{tc.root}); err != nil {
t.Errorf(`Unexpected error from unrootedChecked("%v", "%v"): %v (fs.root: %v)`, tc.abs, tc.root, err, root)
} else if res != tc.expectedRel {
t.Errorf(`unrootedChecked("%v", "%v") == "%v", expected "%v" (fs.root: %v)`, tc.abs, tc.root, res, tc.expectedRel, root)
}
}
}
}
// TestMultipleRoot checks that fs.unrootedChecked returns the correct path
// when given more than one possible root path.
func TestMultipleRoot(t *testing.T) {
root := `c:\foO`
roots := []string{root, `d:\`}
rel := `bar`
path := filepath.Join(root, rel)
fs := BasicFilesystem{root: root}
if res, err := fs.unrootedChecked(path, roots); err != nil {
t.Errorf(`Unexpected error from unrootedChecked("%v", "%v"): %v (fs.root: %v)`, path, roots, err, root)
} else if res != rel {
t.Errorf(`unrootedChecked("%v", "%v") == "%v", expected "%v" (fs.root: %v)`, path, roots, res, rel, root)
}
}
func TestGetFinalPath(t *testing.T) {
testCases := []struct {
input string
expectedPath string
eqToEvalSyml bool
ignoreMissing bool
}{
{`c:\`, `C:\`, true, false},
{`\\?\c:\`, `C:\`, false, false},
{`c:\wInDows\sYstEm32`, `C:\Windows\System32`, true, false},
{`c:\parent\child`, `C:\parent\child`, false, true},
}
for _, testCase := range testCases {
out, err := getFinalPathName(testCase.input)
if err != nil {
if testCase.ignoreMissing && os.IsNotExist(err) {
continue
}
t.Errorf("getFinalPathName failed at %q with error %s", testCase.input, err)
}
// Trim UNC prefix
if strings.HasPrefix(out, `\\?\UNC\`) {
out = `\` + out[7:]
} else {
out = strings.TrimPrefix(out, `\\?\`)
}
if out != testCase.expectedPath {
t.Errorf("getFinalPathName got wrong path: %q (expected %q)", out, testCase.expectedPath)
}
if testCase.eqToEvalSyml {
evlPath, err1 := filepath.EvalSymlinks(testCase.input)
if err1 != nil || out != evlPath {
t.Errorf("EvalSymlinks got different results %q %s", evlPath, err1)
}
}
}
}
func TestRemoveWindowsDirIcon(t *testing.T) {
// Try to delete a folder with a custom icon with os.Remove (simulated by the readonly file attribute)
fs, dir := setup(t)
relativePath := "folder_with_icon"
path := filepath.Join(dir, relativePath)
if err := os.Mkdir(path, os.ModeDir); err != nil {
t.Fatal(err)
}
ptr, err := syscall.UTF16PtrFromString(path)
if err != nil {
t.Fatal(err)
}
if err := syscall.SetFileAttributes(ptr, uint32(syscall.FILE_ATTRIBUTE_DIRECTORY+syscall.FILE_ATTRIBUTE_READONLY)); err != nil {
t.Fatal(err)
}
if err := fs.Remove(relativePath); err != nil {
t.Fatal(err)
}
}