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path: root/src/pkg/os/exec/lp_windows_test.go
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Diffstat (limited to 'src/pkg/os/exec/lp_windows_test.go')
-rw-r--r--src/pkg/os/exec/lp_windows_test.go573
1 files changed, 0 insertions, 573 deletions
diff --git a/src/pkg/os/exec/lp_windows_test.go b/src/pkg/os/exec/lp_windows_test.go
deleted file mode 100644
index 72df03ed2..000000000
--- a/src/pkg/os/exec/lp_windows_test.go
+++ /dev/null
@@ -1,573 +0,0 @@
-// Copyright 2013 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 exec
-
-import (
- "fmt"
- "io"
- "io/ioutil"
- "os"
- "path/filepath"
- "strconv"
- "strings"
- "testing"
-)
-
-func installExe(t *testing.T, dest, src string) {
- fsrc, err := os.Open(src)
- if err != nil {
- t.Fatal("os.Open failed: ", err)
- }
- defer fsrc.Close()
- fdest, err := os.Create(dest)
- if err != nil {
- t.Fatal("os.Create failed: ", err)
- }
- defer fdest.Close()
- _, err = io.Copy(fdest, fsrc)
- if err != nil {
- t.Fatal("io.Copy failed: ", err)
- }
-}
-
-func installBat(t *testing.T, dest string) {
- f, err := os.Create(dest)
- if err != nil {
- t.Fatalf("failed to create batch file: %v", err)
- }
- defer f.Close()
- fmt.Fprintf(f, "@echo %s\n", dest)
-}
-
-func installProg(t *testing.T, dest, srcExe string) {
- err := os.MkdirAll(filepath.Dir(dest), 0700)
- if err != nil {
- t.Fatal("os.MkdirAll failed: ", err)
- }
- if strings.ToLower(filepath.Ext(dest)) == ".bat" {
- installBat(t, dest)
- return
- }
- installExe(t, dest, srcExe)
-}
-
-type lookPathTest struct {
- rootDir string
- PATH string
- PATHEXT string
- files []string
- searchFor string
- fails bool // test is expected to fail
-}
-
-func (test lookPathTest) runProg(t *testing.T, env []string, args ...string) (string, error) {
- cmd := Command(args[0], args[1:]...)
- cmd.Env = env
- cmd.Dir = test.rootDir
- args[0] = filepath.Base(args[0])
- cmdText := fmt.Sprintf("%q command", strings.Join(args, " "))
- out, err := cmd.CombinedOutput()
- if (err != nil) != test.fails {
- if test.fails {
- t.Fatalf("test=%+v: %s succeeded, but expected to fail", test, cmdText)
- }
- t.Fatalf("test=%+v: %s failed, but expected to succeed: %v - %v", test, cmdText, err, string(out))
- }
- if err != nil {
- return "", fmt.Errorf("test=%+v: %s failed: %v - %v", test, cmdText, err, string(out))
- }
- // normalise program output
- p := string(out)
- // trim terminating \r and \n that batch file outputs
- for len(p) > 0 && (p[len(p)-1] == '\n' || p[len(p)-1] == '\r') {
- p = p[:len(p)-1]
- }
- if !filepath.IsAbs(p) {
- return p, nil
- }
- if p[:len(test.rootDir)] != test.rootDir {
- t.Fatalf("test=%+v: %s output is wrong: %q must have %q prefix", test, cmdText, p, test.rootDir)
- }
- return p[len(test.rootDir)+1:], nil
-}
-
-func updateEnv(env []string, name, value string) []string {
- for i, e := range env {
- if strings.HasPrefix(strings.ToUpper(e), name+"=") {
- env[i] = name + "=" + value
- return env
- }
- }
- return append(env, name+"="+value)
-}
-
-func createEnv(dir, PATH, PATHEXT string) []string {
- env := os.Environ()
- env = updateEnv(env, "PATHEXT", PATHEXT)
- // Add dir in front of every directory in the PATH.
- dirs := splitList(PATH)
- for i := range dirs {
- dirs[i] = filepath.Join(dir, dirs[i])
- }
- path := strings.Join(dirs, ";")
- env = updateEnv(env, "PATH", path)
- return env
-}
-
-// createFiles copies srcPath file into multiply files.
-// It uses dir as preifx for all destination files.
-func createFiles(t *testing.T, dir string, files []string, srcPath string) {
- for _, f := range files {
- installProg(t, filepath.Join(dir, f), srcPath)
- }
-}
-
-func (test lookPathTest) run(t *testing.T, tmpdir, printpathExe string) {
- test.rootDir = tmpdir
- createFiles(t, test.rootDir, test.files, printpathExe)
- env := createEnv(test.rootDir, test.PATH, test.PATHEXT)
- // Run "cmd.exe /c test.searchFor" with new environment and
- // work directory set. All candidates are copies of printpath.exe.
- // These will output their program paths when run.
- should, errCmd := test.runProg(t, env, "cmd", "/c", test.searchFor)
- // Run the lookpath program with new environment and work directory set.
- env = append(env, "GO_WANT_HELPER_PROCESS=1")
- have, errLP := test.runProg(t, env, os.Args[0], "-test.run=TestHelperProcess", "--", "lookpath", test.searchFor)
- // Compare results.
- if errCmd == nil && errLP == nil {
- // both succeeded
- if should != have {
- t.Fatalf("test=%+v failed: expected to find %q, but found %q", test, should, have)
- }
- return
- }
- if errCmd != nil && errLP != nil {
- // both failed -> continue
- return
- }
- if errCmd != nil {
- t.Fatal(errCmd)
- }
- if errLP != nil {
- t.Fatal(errLP)
- }
-}
-
-var lookPathTests = []lookPathTest{
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1;p2`,
- files: []string{`p1\a.exe`, `p2\a.exe`, `p2\a`},
- searchFor: `a`,
- },
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1.dir;p2.dir`,
- files: []string{`p1.dir\a`, `p2.dir\a.exe`},
- searchFor: `a`,
- },
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1;p2`,
- files: []string{`p1\a.exe`, `p2\a.exe`},
- searchFor: `a.exe`,
- },
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1;p2`,
- files: []string{`p1\a.exe`, `p2\b.exe`},
- searchFor: `b`,
- },
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1;p2`,
- files: []string{`p1\b`, `p2\a`},
- searchFor: `a`,
- fails: true, // TODO(brainman): do not know why this fails
- },
- // If the command name specifies a path, the shell searches
- // the specified path for an executable file matching
- // the command name. If a match is found, the external
- // command (the executable file) executes.
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1;p2`,
- files: []string{`p1\a.exe`, `p2\a.exe`},
- searchFor: `p2\a`,
- },
- // If the command name specifies a path, the shell searches
- // the specified path for an executable file matching the command
- // name. ... If no match is found, the shell reports an error
- // and command processing completes.
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1;p2`,
- files: []string{`p1\b.exe`, `p2\a.exe`},
- searchFor: `p2\b`,
- fails: true,
- },
- // If the command name does not specify a path, the shell
- // searches the current directory for an executable file
- // matching the command name. If a match is found, the external
- // command (the executable file) executes.
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1;p2`,
- files: []string{`a`, `p1\a.exe`, `p2\a.exe`},
- searchFor: `a`,
- },
- // The shell now searches each directory specified by the
- // PATH environment variable, in the order listed, for an
- // executable file matching the command name. If a match
- // is found, the external command (the executable file) executes.
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1;p2`,
- files: []string{`p1\a.exe`, `p2\a.exe`},
- searchFor: `a`,
- },
- // The shell now searches each directory specified by the
- // PATH environment variable, in the order listed, for an
- // executable file matching the command name. If no match
- // is found, the shell reports an error and command processing
- // completes.
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1;p2`,
- files: []string{`p1\a.exe`, `p2\a.exe`},
- searchFor: `b`,
- fails: true,
- },
- // If the command name includes a file extension, the shell
- // searches each directory for the exact file name specified
- // by the command name.
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1;p2`,
- files: []string{`p1\a.exe`, `p2\a.exe`},
- searchFor: `a.exe`,
- },
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1;p2`,
- files: []string{`p1\a.exe`, `p2\a.exe`},
- searchFor: `a.com`,
- fails: true, // includes extension and not exact file name match
- },
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1`,
- files: []string{`p1\a.exe.exe`},
- searchFor: `a.exe`,
- },
- {
- PATHEXT: `.COM;.BAT`,
- PATH: `p1;p2`,
- files: []string{`p1\a.exe`, `p2\a.exe`},
- searchFor: `a.exe`,
- },
- // If the command name does not include a file extension, the shell
- // adds the extensions listed in the PATHEXT environment variable,
- // one by one, and searches the directory for that file name. Note
- // that the shell tries all possible file extensions in a specific
- // directory before moving on to search the next directory
- // (if there is one).
- {
- PATHEXT: `.COM;.EXE`,
- PATH: `p1;p2`,
- files: []string{`p1\a.bat`, `p2\a.exe`},
- searchFor: `a`,
- },
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1;p2`,
- files: []string{`p1\a.bat`, `p2\a.exe`},
- searchFor: `a`,
- },
- {
- PATHEXT: `.COM;.EXE;.BAT`,
- PATH: `p1;p2`,
- files: []string{`p1\a.bat`, `p1\a.exe`, `p2\a.bat`, `p2\a.exe`},
- searchFor: `a`,
- },
- {
- PATHEXT: `.COM`,
- PATH: `p1;p2`,
- files: []string{`p1\a.bat`, `p2\a.exe`},
- searchFor: `a`,
- fails: true, // tried all extensions in PATHEXT, but none matches
- },
-}
-
-func TestLookPath(t *testing.T) {
- tmp, err := ioutil.TempDir("", "TestLookPath")
- if err != nil {
- t.Fatal("TempDir failed: ", err)
- }
- defer os.RemoveAll(tmp)
-
- printpathExe := buildPrintPathExe(t, tmp)
-
- // Run all tests.
- for i, test := range lookPathTests {
- dir := filepath.Join(tmp, "d"+strconv.Itoa(i))
- err := os.Mkdir(dir, 0700)
- if err != nil {
- t.Fatal("Mkdir failed: ", err)
- }
- test.run(t, dir, printpathExe)
- }
-}
-
-type commandTest struct {
- PATH string
- files []string
- dir string
- arg0 string
- want string
- fails bool // test is expected to fail
-}
-
-func (test commandTest) isSuccess(rootDir, output string, err error) error {
- if err != nil {
- return fmt.Errorf("test=%+v: exec: %v %v", test, err, output)
- }
- path := output
- if path[:len(rootDir)] != rootDir {
- return fmt.Errorf("test=%+v: %q must have %q prefix", test, path, rootDir)
- }
- path = path[len(rootDir)+1:]
- if path != test.want {
- return fmt.Errorf("test=%+v: want %q, got %q", test, test.want, path)
- }
- return nil
-}
-
-func (test commandTest) runOne(rootDir string, env []string, dir, arg0 string) error {
- cmd := Command(os.Args[0], "-test.run=TestHelperProcess", "--", "exec", dir, arg0)
- cmd.Dir = rootDir
- cmd.Env = env
- output, err := cmd.CombinedOutput()
- err = test.isSuccess(rootDir, string(output), err)
- if (err != nil) != test.fails {
- if test.fails {
- return fmt.Errorf("test=%+v: succeeded, but expected to fail", test)
- }
- return err
- }
- return nil
-}
-
-func (test commandTest) run(t *testing.T, rootDir, printpathExe string) {
- createFiles(t, rootDir, test.files, printpathExe)
- PATHEXT := `.COM;.EXE;.BAT`
- env := createEnv(rootDir, test.PATH, PATHEXT)
- env = append(env, "GO_WANT_HELPER_PROCESS=1")
- err := test.runOne(rootDir, env, test.dir, test.arg0)
- if err != nil {
- t.Error(err)
- }
-}
-
-var commandTests = []commandTest{
- // testing commands with no slash, like `a.exe`
- {
- // should find a.exe in current directory
- files: []string{`a.exe`},
- arg0: `a.exe`,
- want: `a.exe`,
- },
- {
- // like above, but add PATH in attempt to break the test
- PATH: `p2;p`,
- files: []string{`a.exe`, `p\a.exe`, `p2\a.exe`},
- arg0: `a.exe`,
- want: `a.exe`,
- },
- {
- // like above, but use "a" instead of "a.exe" for command
- PATH: `p2;p`,
- files: []string{`a.exe`, `p\a.exe`, `p2\a.exe`},
- arg0: `a`,
- want: `a.exe`,
- },
- // testing commands with slash, like `.\a.exe`
- {
- // should find p\a.exe
- files: []string{`p\a.exe`},
- arg0: `p\a.exe`,
- want: `p\a.exe`,
- },
- {
- // like above, but adding `.` in front of executable should still be OK
- files: []string{`p\a.exe`},
- arg0: `.\p\a.exe`,
- want: `p\a.exe`,
- },
- {
- // like above, but with PATH added in attempt to break it
- PATH: `p2`,
- files: []string{`p\a.exe`, `p2\a.exe`},
- arg0: `p\a.exe`,
- want: `p\a.exe`,
- },
- {
- // like above, but make sure .exe is tried even for commands with slash
- PATH: `p2`,
- files: []string{`p\a.exe`, `p2\a.exe`},
- arg0: `p\a`,
- want: `p\a.exe`,
- },
- // tests commands, like `a.exe`, with c.Dir set
- {
- // should not find a.exe in p, becasue LookPath(`a.exe`) will fail
- files: []string{`p\a.exe`},
- dir: `p`,
- arg0: `a.exe`,
- want: `p\a.exe`,
- fails: true,
- },
- {
- // LookPath(`a.exe`) will find `.\a.exe`, but prefixing that with
- // dir `p\a.exe` will refer to not existant file
- files: []string{`a.exe`, `p\not_important_file`},
- dir: `p`,
- arg0: `a.exe`,
- want: `a.exe`,
- fails: true,
- },
- {
- // like above, but making test succeed by installing file
- // in refered destination (so LookPath(`a.exe`) will still
- // find `.\a.exe`, but we successfully execute `p\a.exe`)
- files: []string{`a.exe`, `p\a.exe`},
- dir: `p`,
- arg0: `a.exe`,
- want: `p\a.exe`,
- },
- {
- // like above, but add PATH in attempt to break the test
- PATH: `p2;p`,
- files: []string{`a.exe`, `p\a.exe`, `p2\a.exe`},
- dir: `p`,
- arg0: `a.exe`,
- want: `p\a.exe`,
- },
- {
- // like above, but use "a" instead of "a.exe" for command
- PATH: `p2;p`,
- files: []string{`a.exe`, `p\a.exe`, `p2\a.exe`},
- dir: `p`,
- arg0: `a`,
- want: `p\a.exe`,
- },
- {
- // finds `a.exe` in the PATH regardless of dir set
- // because LookPath returns full path in that case
- PATH: `p2;p`,
- files: []string{`p\a.exe`, `p2\a.exe`},
- dir: `p`,
- arg0: `a.exe`,
- want: `p2\a.exe`,
- },
- // tests commands, like `.\a.exe`, with c.Dir set
- {
- // should use dir when command is path, like ".\a.exe"
- files: []string{`p\a.exe`},
- dir: `p`,
- arg0: `.\a.exe`,
- want: `p\a.exe`,
- },
- {
- // like above, but with PATH added in attempt to break it
- PATH: `p2`,
- files: []string{`p\a.exe`, `p2\a.exe`},
- dir: `p`,
- arg0: `.\a.exe`,
- want: `p\a.exe`,
- },
- {
- // like above, but make sure .exe is tried even for commands with slash
- PATH: `p2`,
- files: []string{`p\a.exe`, `p2\a.exe`},
- dir: `p`,
- arg0: `.\a`,
- want: `p\a.exe`,
- },
-}
-
-func TestCommand(t *testing.T) {
- tmp, err := ioutil.TempDir("", "TestCommand")
- if err != nil {
- t.Fatal("TempDir failed: ", err)
- }
- defer os.RemoveAll(tmp)
-
- printpathExe := buildPrintPathExe(t, tmp)
-
- // Run all tests.
- for i, test := range commandTests {
- dir := filepath.Join(tmp, "d"+strconv.Itoa(i))
- err := os.Mkdir(dir, 0700)
- if err != nil {
- t.Fatal("Mkdir failed: ", err)
- }
- test.run(t, dir, printpathExe)
- }
-}
-
-// buildPrintPathExe creates a Go program that prints its own path.
-// dir is a temp directory where executable will be created.
-// The function returns full path to the created program.
-func buildPrintPathExe(t *testing.T, dir string) string {
- const name = "printpath"
- srcname := name + ".go"
- err := ioutil.WriteFile(filepath.Join(dir, srcname), []byte(printpathSrc), 0644)
- if err != nil {
- t.Fatalf("failed to create source: %v", err)
- }
- if err != nil {
- t.Fatalf("failed to execute template: %v", err)
- }
- outname := name + ".exe"
- cmd := Command("go", "build", "-o", outname, srcname)
- cmd.Dir = dir
- out, err := cmd.CombinedOutput()
- if err != nil {
- t.Fatalf("failed to build executable: %v - %v", err, string(out))
- }
- return filepath.Join(dir, outname)
-}
-
-const printpathSrc = `
-package main
-
-import (
- "os"
- "syscall"
- "unicode/utf16"
- "unsafe"
-)
-
-func getMyName() (string, error) {
- var sysproc = syscall.MustLoadDLL("kernel32.dll").MustFindProc("GetModuleFileNameW")
- b := make([]uint16, syscall.MAX_PATH)
- r, _, err := sysproc.Call(0, uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)))
- n := uint32(r)
- if n == 0 {
- return "", err
- }
- return string(utf16.Decode(b[0:n])), nil
-}
-
-func main() {
- path, err := getMyName()
- if err != nil {
- os.Stderr.Write([]byte("getMyName failed: " + err.Error() + "\n"))
- os.Exit(1)
- }
- os.Stdout.Write([]byte(path))
-}
-`
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-04 18:54:45 +0000