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path/filepath: replace os.MkdirTemp with T.TempDir

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Add the tempDirCanonical function, for tests that need a temporary
directory that does not contain symlinks.

Updates #45402

Change-Id: I3d08ef32ef911331544acce3d7d013b4c3382960
Reviewed-on: https://go-review.googlesource.com/c/go/+/308011
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
This commit is contained in:
Manlio Perillo 2021-04-07 16:48:41 +02:00 committed by Tobias Klauser
parent 6382ec1aba
commit 11f159456b
3 changed files with 28 additions and 88 deletions
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29
src/path/filepath/match_test.go
View File

@ -181,12 +181,7 @@ var globSymlinkTests = []struct {
func TestGlobSymlink(t *testing.T) {
testenv.MustHaveSymlink(t)
tmpDir, err := os.MkdirTemp("", "globsymlink")
if err != nil {
t.Fatal("creating temp dir:", err)
}
defer os.RemoveAll(tmpDir)
tmpDir := t.TempDir()
for _, tt := range globSymlinkTests {
path := Join(tmpDir, tt.path)
dest := Join(tmpDir, tt.dest)
@ -267,18 +262,7 @@ func TestWindowsGlob(t *testing.T) {
t.Skipf("skipping windows specific test")
}
tmpDir, err := os.MkdirTemp("", "TestWindowsGlob")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir)
// /tmp may itself be a symlink
tmpDir, err = EvalSymlinks(tmpDir)
if err != nil {
t.Fatal("eval symlink for tmp dir:", err)
}
tmpDir := tempDirCanonical(t)
if len(tmpDir) < 3 {
t.Fatalf("tmpDir path %q is too short", tmpDir)
}
@ -323,15 +307,13 @@ func TestWindowsGlob(t *testing.T) {
// test absolute paths
for _, test := range tests {
var p string
err = test.globAbs(tmpDir, tmpDir)
if err != nil {
if err := test.globAbs(tmpDir, tmpDir); err != nil {
t.Error(err)
}
// test C:\*Documents and Settings\...
p = tmpDir
p = strings.Replace(p, `:\`, `:\*`, 1)
err = test.globAbs(tmpDir, p)
if err != nil {
if err := test.globAbs(tmpDir, p); err != nil {
t.Error(err)
}
// test C:\Documents and Settings*\...
@ -339,8 +321,7 @@ func TestWindowsGlob(t *testing.T) {
p = strings.Replace(p, `:\`, `:`, 1)
p = strings.Replace(p, `\`, `*\`, 1)
p = strings.Replace(p, `:`, `:\`, 1)
err = test.globAbs(tmpDir, p)
if err != nil {
if err := test.globAbs(tmpDir, p); err != nil {
t.Error(err)
}
}

13
src/path/filepath/path_test.go
View File

@ -449,6 +449,19 @@ func chtmpdir(t *testing.T) (restore func()) {
}
}
// tempDirCanonical returns a temporary directory for the test to use, ensuring
// that the returned path does not contain symlinks.
func tempDirCanonical(t *testing.T) string {
dir := t.TempDir()
cdir, err := filepath.EvalSymlinks(dir)
if err != nil {
t.Errorf("tempDirCanonical: %v", err)
}
return cdir
}
func TestWalk(t *testing.T) {
walk := func(root string, fn fs.WalkDirFunc) error {
return filepath.Walk(root, func(path string, info fs.FileInfo, err error) error {

74
src/path/filepath/path_windows_test.go
View File

@ -37,12 +37,7 @@ func testWinSplitListTestIsValid(t *testing.T, ti int, tt SplitListTest,
perm fs.FileMode = 0700
)
tmp, err := os.MkdirTemp("", "testWinSplitListTestIsValid")
if err != nil {
t.Fatalf("TempDir failed: %v", err)
}
defer os.RemoveAll(tmp)
tmp := t.TempDir()
for i, d := range tt.result {
if d == "" {
continue
@ -57,12 +52,12 @@ func testWinSplitListTestIsValid(t *testing.T, ti int, tt SplitListTest,
t.Errorf("%d,%d: %#q already exists", ti, i, d)
return
}
if err = os.MkdirAll(dd, perm); err != nil {
if err := os.MkdirAll(dd, perm); err != nil {
t.Errorf("%d,%d: MkdirAll(%#q) failed: %v", ti, i, dd, err)
return
}
fn, data := filepath.Join(dd, cmdfile), []byte("@echo "+d+"\r\n")
if err = os.WriteFile(fn, data, perm); err != nil {
if err := os.WriteFile(fn, data, perm); err != nil {
t.Errorf("%d,%d: WriteFile(%#q) failed: %v", ti, i, fn, err)
return
}
@ -103,18 +98,7 @@ func testWinSplitListTestIsValid(t *testing.T, ti int, tt SplitListTest,
func TestWindowsEvalSymlinks(t *testing.T) {
testenv.MustHaveSymlink(t)
tmpDir, err := os.MkdirTemp("", "TestWindowsEvalSymlinks")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir)
// /tmp may itself be a symlink! Avoid the confusion, although
// it means trusting the thing we're testing.
tmpDir, err = filepath.EvalSymlinks(tmpDir)
if err != nil {
t.Fatal(err)
}
tmpDir := tempDirCanonical(t)
if len(tmpDir) < 3 {
t.Fatalf("tmpDir path %q is too short", tmpDir)
@ -161,18 +145,7 @@ func TestWindowsEvalSymlinks(t *testing.T) {
// TestEvalSymlinksCanonicalNames verify that EvalSymlinks
// returns "canonical" path names on windows.
func TestEvalSymlinksCanonicalNames(t *testing.T) {
tmp, err := os.MkdirTemp("", "evalsymlinkcanonical")
if err != nil {
t.Fatal("creating temp dir:", err)
}
defer os.RemoveAll(tmp)
// os.MkdirTemp might return "non-canonical" name.
cTmpName, err := filepath.EvalSymlinks(tmp)
if err != nil {
t.Errorf("EvalSymlinks(%q) error: %v", tmp, err)
}
ctmp := tempDirCanonical(t)
dirs := []string{
"test",
"test/dir",
@ -181,7 +154,7 @@ func TestEvalSymlinksCanonicalNames(t *testing.T) {
}
for _, d := range dirs {
dir := filepath.Join(cTmpName, d)
dir := filepath.Join(ctmp, d)
err := os.Mkdir(dir, 0755)
if err != nil {
t.Fatal(err)
@ -417,25 +390,8 @@ func TestToNorm(t *testing.T) {
{".", `\\localhost\c$`, `\\localhost\c$`},
}
tmp, err := os.MkdirTemp("", "testToNorm")
if err != nil {
t.Fatal(err)
}
defer func() {
err := os.RemoveAll(tmp)
if err != nil {
t.Fatal(err)
}
}()
// os.MkdirTemp might return "non-canonical" name.
ctmp, err := filepath.EvalSymlinks(tmp)
if err != nil {
t.Fatal(err)
}
err = os.MkdirAll(strings.ReplaceAll(testPath, "{{tmp}}", ctmp), 0777)
if err != nil {
ctmp := tempDirCanonical(t)
if err := os.MkdirAll(strings.ReplaceAll(testPath, "{{tmp}}", ctmp), 0777); err != nil {
t.Fatal(err)
}
@ -526,20 +482,10 @@ func TestNTNamespaceSymlink(t *testing.T) {
t.Skip("skipping test because mklink command does not support junctions")
}
tmpdir, err := os.MkdirTemp("", "TestNTNamespaceSymlink")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpdir)
// Make sure tmpdir is not a symlink, otherwise tests will fail.
tmpdir, err = filepath.EvalSymlinks(tmpdir)
if err != nil {
t.Fatal(err)
}
tmpdir := tempDirCanonical(t)
vol := filepath.VolumeName(tmpdir)
output, err = exec.Command("cmd", "/c", "mountvol", vol, "/L").CombinedOutput()
output, err := exec.Command("cmd", "/c", "mountvol", vol, "/L").CombinedOutput()
if err != nil {
t.Fatalf("failed to run mountvol %v /L: %v %q", vol, err, output)
}