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- // Copyright 2020 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 fs_test
- import (
- . "io/fs"
- "os"
- "path"
- "testing"
- )
- var globTests = []struct {
- fs FS
- pattern, result string
- }{
- {os.DirFS("."), "glob.go", "glob.go"},
- {os.DirFS("."), "gl?b.go", "glob.go"},
- {os.DirFS("."), `gl\ob.go`, "glob.go"},
- {os.DirFS("."), "*", "glob.go"},
- // This test fails on gofrontend because the directory structure
- // is different.
- // {os.DirFS(".."), "*/glob.go", "fs/glob.go"},
- }
- func TestGlob(t *testing.T) {
- for _, tt := range globTests {
- matches, err := Glob(tt.fs, tt.pattern)
- if err != nil {
- t.Errorf("Glob error for %q: %s", tt.pattern, err)
- continue
- }
- if !contains(matches, tt.result) {
- t.Errorf("Glob(%#q) = %#v want %v", tt.pattern, matches, tt.result)
- }
- }
- for _, pattern := range []string{"no_match", "../*/no_match", `\*`} {
- matches, err := Glob(os.DirFS("."), 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) {
- bad := []string{`[]`, `nonexist/[]`}
- for _, pattern := range bad {
- _, err := Glob(os.DirFS("."), pattern)
- if err != path.ErrBadPattern {
- t.Errorf("Glob(fs, %#q) returned err=%v, want path.ErrBadPattern", pattern, err)
- }
- }
- }
- // contains reports whether vector contains the string s.
- func contains(vector []string, s string) bool {
- for _, elem := range vector {
- if elem == s {
- return true
- }
- }
- return false
- }
- type globOnly struct{ GlobFS }
- func (globOnly) Open(name string) (File, error) { return nil, ErrNotExist }
- func TestGlobMethod(t *testing.T) {
- check := func(desc string, names []string, err error) {
- t.Helper()
- if err != nil || len(names) != 1 || names[0] != "hello.txt" {
- t.Errorf("Glob(%s) = %v, %v, want %v, nil", desc, names, err, []string{"hello.txt"})
- }
- }
- // Test that ReadDir uses the method when present.
- names, err := Glob(globOnly{testFsys}, "*.txt")
- check("readDirOnly", names, err)
- // Test that ReadDir uses Open when the method is not present.
- names, err = Glob(openOnly{testFsys}, "*.txt")
- check("openOnly", names, err)
- }
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