From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:23:18 +0200 Subject: Adding upstream version 1.20.14. Signed-off-by: Daniel Baumann --- src/os/tempfile_test.go | 193 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 193 insertions(+) create mode 100644 src/os/tempfile_test.go (limited to 'src/os/tempfile_test.go') diff --git a/src/os/tempfile_test.go b/src/os/tempfile_test.go new file mode 100644 index 0000000..e5b74bc --- /dev/null +++ b/src/os/tempfile_test.go @@ -0,0 +1,193 @@ +// Copyright 2010 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 ( + "errors" + "io/fs" + . "os" + "path/filepath" + "regexp" + "strings" + "testing" +) + +func TestCreateTemp(t *testing.T) { + dir, err := MkdirTemp("", "TestCreateTempBadDir") + if err != nil { + t.Fatal(err) + } + defer RemoveAll(dir) + + nonexistentDir := filepath.Join(dir, "_not_exists_") + f, err := CreateTemp(nonexistentDir, "foo") + if f != nil || err == nil { + t.Errorf("CreateTemp(%q, `foo`) = %v, %v", nonexistentDir, f, err) + } +} + +func TestCreateTempPattern(t *testing.T) { + tests := []struct{ pattern, prefix, suffix string }{ + {"tempfile_test", "tempfile_test", ""}, + {"tempfile_test*", "tempfile_test", ""}, + {"tempfile_test*xyz", "tempfile_test", "xyz"}, + } + for _, test := range tests { + f, err := CreateTemp("", test.pattern) + if err != nil { + t.Errorf("CreateTemp(..., %q) error: %v", test.pattern, err) + continue + } + defer Remove(f.Name()) + base := filepath.Base(f.Name()) + f.Close() + if !(strings.HasPrefix(base, test.prefix) && strings.HasSuffix(base, test.suffix)) { + t.Errorf("CreateTemp pattern %q created bad name %q; want prefix %q & suffix %q", + test.pattern, base, test.prefix, test.suffix) + } + } +} + +func TestCreateTempBadPattern(t *testing.T) { + tmpDir, err := MkdirTemp("", t.Name()) + if err != nil { + t.Fatal(err) + } + defer RemoveAll(tmpDir) + + const sep = string(PathSeparator) + tests := []struct { + pattern string + wantErr bool + }{ + {"ioutil*test", false}, + {"tempfile_test*foo", false}, + {"tempfile_test" + sep + "foo", true}, + {"tempfile_test*" + sep + "foo", true}, + {"tempfile_test" + sep + "*foo", true}, + {sep + "tempfile_test" + sep + "*foo", true}, + {"tempfile_test*foo" + sep, true}, + } + for _, tt := range tests { + t.Run(tt.pattern, func(t *testing.T) { + tmpfile, err := CreateTemp(tmpDir, tt.pattern) + if tmpfile != nil { + defer tmpfile.Close() + } + if tt.wantErr { + if err == nil { + t.Errorf("CreateTemp(..., %#q) succeeded, expected error", tt.pattern) + } + if !errors.Is(err, ErrPatternHasSeparator) { + t.Errorf("CreateTemp(..., %#q): %v, expected ErrPatternHasSeparator", tt.pattern, err) + } + } else if err != nil { + t.Errorf("CreateTemp(..., %#q): %v", tt.pattern, err) + } + }) + } +} + +func TestMkdirTemp(t *testing.T) { + name, err := MkdirTemp("/_not_exists_", "foo") + if name != "" || err == nil { + t.Errorf("MkdirTemp(`/_not_exists_`, `foo`) = %v, %v", name, err) + } + + tests := []struct { + pattern string + wantPrefix, wantSuffix string + }{ + {"tempfile_test", "tempfile_test", ""}, + {"tempfile_test*", "tempfile_test", ""}, + {"tempfile_test*xyz", "tempfile_test", "xyz"}, + } + + dir := filepath.Clean(TempDir()) + + runTestMkdirTemp := func(t *testing.T, pattern, wantRePat string) { + name, err := MkdirTemp(dir, pattern) + if name == "" || err != nil { + t.Fatalf("MkdirTemp(dir, `tempfile_test`) = %v, %v", name, err) + } + defer Remove(name) + + re := regexp.MustCompile(wantRePat) + if !re.MatchString(name) { + t.Errorf("MkdirTemp(%q, %q) created bad name\n\t%q\ndid not match pattern\n\t%q", dir, pattern, name, wantRePat) + } + } + + for _, tt := range tests { + t.Run(tt.pattern, func(t *testing.T) { + wantRePat := "^" + regexp.QuoteMeta(filepath.Join(dir, tt.wantPrefix)) + "[0-9]+" + regexp.QuoteMeta(tt.wantSuffix) + "$" + runTestMkdirTemp(t, tt.pattern, wantRePat) + }) + } + + // Separately testing "*xyz" (which has no prefix). That is when constructing the + // pattern to assert on, as in the previous loop, using filepath.Join for an empty + // prefix filepath.Join(dir, ""), produces the pattern: + // ^[0-9]+xyz$ + // yet we just want to match + // "^/[0-9]+xyz" + t.Run("*xyz", func(t *testing.T) { + wantRePat := "^" + regexp.QuoteMeta(filepath.Join(dir)) + regexp.QuoteMeta(string(filepath.Separator)) + "[0-9]+xyz$" + runTestMkdirTemp(t, "*xyz", wantRePat) + }) +} + +// test that we return a nice error message if the dir argument to TempDir doesn't +// exist (or that it's empty and TempDir doesn't exist) +func TestMkdirTempBadDir(t *testing.T) { + dir, err := MkdirTemp("", "MkdirTempBadDir") + if err != nil { + t.Fatal(err) + } + defer RemoveAll(dir) + + badDir := filepath.Join(dir, "not-exist") + _, err = MkdirTemp(badDir, "foo") + if pe, ok := err.(*fs.PathError); !ok || !IsNotExist(err) || pe.Path != badDir { + t.Errorf("TempDir error = %#v; want PathError for path %q satisfying IsNotExist", err, badDir) + } +} + +func TestMkdirTempBadPattern(t *testing.T) { + tmpDir, err := MkdirTemp("", t.Name()) + if err != nil { + t.Fatal(err) + } + defer RemoveAll(tmpDir) + + const sep = string(PathSeparator) + tests := []struct { + pattern string + wantErr bool + }{ + {"ioutil*test", false}, + {"tempfile_test*foo", false}, + {"tempfile_test" + sep + "foo", true}, + {"tempfile_test*" + sep + "foo", true}, + {"tempfile_test" + sep + "*foo", true}, + {sep + "tempfile_test" + sep + "*foo", true}, + {"tempfile_test*foo" + sep, true}, + } + for _, tt := range tests { + t.Run(tt.pattern, func(t *testing.T) { + _, err := MkdirTemp(tmpDir, tt.pattern) + if tt.wantErr { + if err == nil { + t.Errorf("MkdirTemp(..., %#q) succeeded, expected error", tt.pattern) + } + if !errors.Is(err, ErrPatternHasSeparator) { + t.Errorf("MkdirTemp(..., %#q): %v, expected ErrPatternHasSeparator", tt.pattern, err) + } + } else if err != nil { + t.Errorf("MkdirTemp(..., %#q): %v", tt.pattern, err) + } + }) + } +} -- cgit v1.2.3