Retro68/gcc/libgo/go/path/filepath/match_test.go
2017-10-07 02:16:47 +02:00

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// Copyright 2009 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 filepath_test
import (
"fmt"
"internal/testenv"
"io/ioutil"
"os"
. "path/filepath"
"runtime"
"sort"
"strings"
"testing"
)
type MatchTest struct {
pattern, s string
match bool
err error
}
var matchTests = []MatchTest{
{"abc", "abc", true, nil},
{"*", "abc", true, nil},
{"*c", "abc", true, nil},
{"a*", "a", true, nil},
{"a*", "abc", true, nil},
{"a*", "ab/c", false, nil},
{"a*/b", "abc/b", true, nil},
{"a*/b", "a/c/b", false, nil},
{"a*b*c*d*e*/f", "axbxcxdxe/f", true, nil},
{"a*b*c*d*e*/f", "axbxcxdxexxx/f", true, nil},
{"a*b*c*d*e*/f", "axbxcxdxe/xxx/f", false, nil},
{"a*b*c*d*e*/f", "axbxcxdxexxx/fff", false, nil},
{"a*b?c*x", "abxbbxdbxebxczzx", true, nil},
{"a*b?c*x", "abxbbxdbxebxczzy", false, nil},
{"ab[c]", "abc", true, nil},
{"ab[b-d]", "abc", true, nil},
{"ab[e-g]", "abc", false, nil},
{"ab[^c]", "abc", false, nil},
{"ab[^b-d]", "abc", false, nil},
{"ab[^e-g]", "abc", true, nil},
{"a\\*b", "a*b", true, nil},
{"a\\*b", "ab", false, nil},
{"a?b", "a☺b", true, nil},
{"a[^a]b", "a☺b", true, nil},
{"a???b", "a☺b", false, nil},
{"a[^a][^a][^a]b", "a☺b", false, nil},
{"[a-ζ]*", "α", true, nil},
{"*[a-ζ]", "A", false, nil},
{"a?b", "a/b", false, nil},
{"a*b", "a/b", false, nil},
{"[\\]a]", "]", true, nil},
{"[\\-]", "-", true, nil},
{"[x\\-]", "x", true, nil},
{"[x\\-]", "-", true, nil},
{"[x\\-]", "z", false, nil},
{"[\\-x]", "x", true, nil},
{"[\\-x]", "-", true, nil},
{"[\\-x]", "a", false, nil},
{"[]a]", "]", false, ErrBadPattern},
{"[-]", "-", false, ErrBadPattern},
{"[x-]", "x", false, ErrBadPattern},
{"[x-]", "-", false, ErrBadPattern},
{"[x-]", "z", false, ErrBadPattern},
{"[-x]", "x", false, ErrBadPattern},
{"[-x]", "-", false, ErrBadPattern},
{"[-x]", "a", false, ErrBadPattern},
{"\\", "a", false, ErrBadPattern},
{"[a-b-c]", "a", false, ErrBadPattern},
{"[", "a", false, ErrBadPattern},
{"[^", "a", false, ErrBadPattern},
{"[^bc", "a", false, ErrBadPattern},
{"a[", "a", false, nil},
{"a[", "ab", false, ErrBadPattern},
{"*x", "xxx", true, nil},
}
func errp(e error) string {
if e == nil {
return "<nil>"
}
return e.Error()
}
func TestMatch(t *testing.T) {
for _, tt := range matchTests {
pattern := tt.pattern
s := tt.s
if runtime.GOOS == "windows" {
if strings.Contains(pattern, "\\") {
// no escape allowed on windows.
continue
}
pattern = Clean(pattern)
s = Clean(s)
}
ok, err := Match(pattern, s)
if ok != tt.match || err != tt.err {
t.Errorf("Match(%#q, %#q) = %v, %q want %v, %q", pattern, s, ok, errp(err), tt.match, errp(tt.err))
}
}
}
// contains returns true if vector contains the string s.
func contains(vector []string, s string) bool {
for _, elem := range vector {
if elem == s {
return true
}
}
return false
}
var globTests = []struct {
pattern, result string
}{
{"match.go", "match.go"},
{"mat?h.go", "match.go"},
{"*", "match.go"},
// Does not work in gccgo test environment.
// {"../*/match.go", "../filepath/match.go"},
}
func TestGlob(t *testing.T) {
for _, tt := range globTests {
pattern := tt.pattern
result := tt.result
if runtime.GOOS == "windows" {
pattern = Clean(pattern)
result = Clean(result)
}
matches, err := Glob(pattern)
if err != nil {
t.Errorf("Glob error for %q: %s", pattern, err)
continue
}
if !contains(matches, result) {
t.Errorf("Glob(%#q) = %#v want %v", pattern, matches, result)
}
}
for _, pattern := range []string{"no_match", "../*/no_match"} {
matches, err := Glob(pattern)
if err != nil {
t.Errorf("Glob error for %q: %s", pattern, err)
continue
}
if len(matches) != 0 {
t.Errorf("Glob(%#q) = %#v want []", pattern, matches)
}
}
}
func TestGlobError(t *testing.T) {
_, err := Glob("[7]")
if err != nil {
t.Error("expected error for bad pattern; got none")
}
}
func TestGlobUNC(t *testing.T) {
// Just make sure this runs without crashing for now.
// See issue 15879.
Glob(`\\?\C:\*`)
}
var globSymlinkTests = []struct {
path, dest string
brokenLink bool
}{
{"test1", "link1", false},
{"test2", "link2", true},
}
func TestGlobSymlink(t *testing.T) {
testenv.MustHaveSymlink(t)
tmpDir, err := ioutil.TempDir("", "globsymlink")
if err != nil {
t.Fatal("creating temp dir:", err)
}
defer os.RemoveAll(tmpDir)
for _, tt := range globSymlinkTests {
path := Join(tmpDir, tt.path)
dest := Join(tmpDir, tt.dest)
f, err := os.Create(path)
if err != nil {
t.Fatal(err)
}
if err := f.Close(); err != nil {
t.Fatal(err)
}
err = os.Symlink(path, dest)
if err != nil {
t.Fatal(err)
}
if tt.brokenLink {
// Break the symlink.
os.Remove(path)
}
matches, err := Glob(dest)
if err != nil {
t.Errorf("GlobSymlink error for %q: %s", dest, err)
}
if !contains(matches, dest) {
t.Errorf("Glob(%#q) = %#v want %v", dest, matches, dest)
}
}
}
type globTest struct {
pattern string
matches []string
}
func (test *globTest) buildWant(root string) []string {
want := make([]string, 0)
for _, m := range test.matches {
want = append(want, root+FromSlash(m))
}
sort.Strings(want)
return want
}
func (test *globTest) globAbs(root, rootPattern string) error {
p := FromSlash(rootPattern + `\` + test.pattern)
have, err := Glob(p)
if err != nil {
return err
}
sort.Strings(have)
want := test.buildWant(root + `\`)
if strings.Join(want, "_") == strings.Join(have, "_") {
return nil
}
return fmt.Errorf("Glob(%q) returns %q, but %q expected", p, have, want)
}
func (test *globTest) globRel(root string) error {
p := root + FromSlash(test.pattern)
have, err := Glob(p)
if err != nil {
return err
}
sort.Strings(have)
want := test.buildWant(root)
if strings.Join(want, "_") == strings.Join(have, "_") {
return nil
}
// try also matching version without root prefix
wantWithNoRoot := test.buildWant("")
if strings.Join(wantWithNoRoot, "_") == strings.Join(have, "_") {
return nil
}
return fmt.Errorf("Glob(%q) returns %q, but %q expected", p, have, want)
}
func TestWindowsGlob(t *testing.T) {
if runtime.GOOS != "windows" {
t.Skipf("skipping windows specific test")
}
tmpDir, err := ioutil.TempDir("", "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)
}
if len(tmpDir) < 3 {
t.Fatalf("tmpDir path %q is too short", tmpDir)
}
if tmpDir[1] != ':' {
t.Fatalf("tmpDir path %q must have drive letter in it", tmpDir)
}
dirs := []string{
"a",
"b",
"dir/d/bin",
}
files := []string{
"dir/d/bin/git.exe",
}
for _, dir := range dirs {
err := os.MkdirAll(Join(tmpDir, dir), 0777)
if err != nil {
t.Fatal(err)
}
}
for _, file := range files {
err := ioutil.WriteFile(Join(tmpDir, file), nil, 0666)
if err != nil {
t.Fatal(err)
}
}
tests := []globTest{
{"a", []string{"a"}},
{"b", []string{"b"}},
{"c", []string{}},
{"*", []string{"a", "b", "dir"}},
{"d*", []string{"dir"}},
{"*i*", []string{"dir"}},
{"*r", []string{"dir"}},
{"?ir", []string{"dir"}},
{"?r", []string{}},
{"d*/*/bin/git.exe", []string{"dir/d/bin/git.exe"}},
}
// test absolute paths
for _, test := range tests {
var p string
err = test.globAbs(tmpDir, tmpDir)
if 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 {
t.Error(err)
}
// test C:\Documents and Settings*\...
p = tmpDir
p = strings.Replace(p, `:\`, `:`, 1)
p = strings.Replace(p, `\`, `*\`, 1)
p = strings.Replace(p, `:`, `:\`, 1)
err = test.globAbs(tmpDir, p)
if err != nil {
t.Error(err)
}
}
// test relative paths
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
err = os.Chdir(tmpDir)
if err != nil {
t.Fatal(err)
}
defer func() {
err := os.Chdir(wd)
if err != nil {
t.Fatal(err)
}
}()
for _, test := range tests {
err := test.globRel("")
if err != nil {
t.Error(err)
}
err = test.globRel(`.\`)
if err != nil {
t.Error(err)
}
err = test.globRel(tmpDir[:2]) // C:
if err != nil {
t.Error(err)
}
}
}