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Current Path: /opt/golang/1.22.0/src/os

📁 ..
📄 dir.go(4.4 KB)
📄 dir_darwin.go(3.34 KB)
📄 dir_plan9.go(2.1 KB)
📄 dir_unix.go(5.24 KB)
📄 dir_windows.go(7.17 KB)
📄 dirent_aix.go(759 B)
📄 dirent_dragonfly.go(1.28 KB)
📄 dirent_freebsd.go(1.16 KB)
📄 dirent_js.go(678 B)
📄 dirent_linux.go(1.18 KB)
📄 dirent_netbsd.go(1.16 KB)
📄 dirent_openbsd.go(1.16 KB)
📄 dirent_solaris.go(759 B)
📄 dirent_wasip1.go(1.36 KB)
📄 endian_big.go(244 B)
📄 endian_little.go(304 B)
📄 env.go(3.85 KB)
📄 env_test.go(5.04 KB)
📄 env_unix_test.go(1.22 KB)
📄 error.go(4.76 KB)
📄 error_errno.go(247 B)
📄 error_plan9.go(234 B)
📄 error_posix.go(538 B)
📄 error_test.go(4.92 KB)
📄 error_unix_test.go(1.49 KB)
📄 error_windows_test.go(1.72 KB)
📄 example_test.go(8.39 KB)
📁 exec
📄 exec.go(6.01 KB)
📄 exec_plan9.go(3.27 KB)
📄 exec_posix.go(3.44 KB)
📄 exec_unix.go(2.09 KB)
📄 exec_unix_test.go(999 B)
📄 exec_windows.go(4.57 KB)
📄 exec_windows_test.go(1.78 KB)
📄 executable.go(774 B)
📄 executable_darwin.go(613 B)
📄 executable_dragonfly.go(293 B)
📄 executable_freebsd.go(292 B)
📄 executable_path.go(2.31 KB)
📄 executable_plan9.go(427 B)
📄 executable_procfs.go(904 B)
📄 executable_solaris.go(695 B)
📄 executable_sysctl.go(891 B)
📄 executable_test.go(3.4 KB)
📄 executable_wasm.go(333 B)
📄 executable_windows.go(641 B)
📄 export_linux_test.go(337 B)
📄 export_test.go(433 B)
📄 export_unix_test.go(241 B)
📄 export_windows_test.go(395 B)
📄 fifo_test.go(4.62 KB)
📄 file.go(24.91 KB)
📄 file_mutex_plan9.go(1.81 KB)
📄 file_open_unix.go(397 B)
📄 file_open_wasip1.go(818 B)
📄 file_plan9.go(15.99 KB)
📄 file_posix.go(7.1 KB)
📄 file_unix.go(14.05 KB)
📄 file_wasip1.go(633 B)
📄 file_windows.go(12.65 KB)
📄 getwd.go(2.52 KB)
📄 os_test.go(77.07 KB)
📄 os_unix_test.go(11.47 KB)
📄 os_windows_test.go(41.83 KB)
📄 path.go(2.27 KB)
📄 path_plan9.go(492 B)
📄 path_test.go(2.96 KB)
📄 path_unix.go(1.56 KB)
📄 path_windows.go(5.66 KB)
📄 path_windows_test.go(4.03 KB)
📄 pipe2_unix.go(640 B)
📄 pipe_test.go(12.41 KB)
📄 pipe_unix.go(760 B)
📄 pipe_wasm.go(488 B)
📄 proc.go(2.27 KB)
📄 rawconn.go(993 B)
📄 rawconn_test.go(1.15 KB)
📄 read_test.go(3.2 KB)
📄 readfrom_linux_test.go(20.3 KB)
📄 removeall_at.go(4.91 KB)
📄 removeall_noat.go(3.13 KB)
📄 removeall_test.go(11.96 KB)
📁 signal
📄 stat.go(965 B)
📄 stat_aix.go(1.18 KB)
📄 stat_darwin.go(1.09 KB)
📄 stat_dragonfly.go(1.06 KB)
📄 stat_freebsd.go(1.07 KB)
📄 stat_js.go(1.11 KB)
📄 stat_linux.go(1.06 KB)
📄 stat_netbsd.go(1.07 KB)
📄 stat_openbsd.go(1.06 KB)
📄 stat_plan9.go(2.37 KB)
📄 stat_solaris.go(1.3 KB)
📄 stat_test.go(6.46 KB)
📄 stat_unix.go(1.23 KB)
📄 stat_wasip1.go(956 B)
📄 stat_windows.go(4.93 KB)
📄 sticky_bsd.go(425 B)
📄 sticky_notbsd.go(320 B)
📄 sys.go(294 B)
📄 sys_aix.go(682 B)
📄 sys_bsd.go(466 B)
📄 sys_js.go(313 B)
📄 sys_linux.go(1.04 KB)
📄 sys_plan9.go(453 B)
📄 sys_solaris.go(265 B)
📄 sys_unix.go(493 B)
📄 sys_wasip1.go(309 B)
📄 sys_windows.go(874 B)
📄 tempfile.go(3.8 KB)
📄 tempfile_test.go(5.49 KB)
📁 testdata
📄 timeout_test.go(17.09 KB)
📄 types.go(2.79 KB)
📄 types_plan9.go(797 B)
📄 types_unix.go(776 B)
📄 types_windows.go(10.01 KB)
📁 user
📄 wait6_dragonfly.go(496 B)
📄 wait6_freebsd64.go(547 B)
📄 wait6_freebsd_386.go(544 B)
📄 wait6_freebsd_arm.go(549 B)
📄 wait6_netbsd.go(534 B)
📄 wait_unimp.go(831 B)
📄 wait_wait6.go(781 B)
📄 wait_waitid.go(1.32 KB)
📄 writeto_linux_test.go(4.21 KB)
📄 zero_copy_linux.go(4.38 KB)
📄 zero_copy_stub.go(406 B)

Editing: tempfile_test.go

// 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) {
	t.Parallel()

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) {
	t.Parallel()

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) {
	t.Parallel()

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) {
	t.Parallel()

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:
	//     ^<DIR>[0-9]+xyz$
	// yet we just want to match
	//     "^<DIR>/[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) {
	t.Parallel()

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) {
	t.Parallel()

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)
			}
		})
	}
}

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Editing: tempfile_test.go

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