File size: 2,080 Bytes
de452ad | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | // Copyright 2023 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"
"testing"
"testing/fstest"
)
func TestReadLink(t *testing.T) {
testFS := fstest.MapFS{
"foo": {
Data: []byte("bar"),
Mode: ModeSymlink | 0o777,
},
"bar": {
Data: []byte("Hello, World!\n"),
Mode: 0o644,
},
"dir/parentlink": {
Data: []byte("../bar"),
Mode: ModeSymlink | 0o777,
},
"dir/link": {
Data: []byte("file"),
Mode: ModeSymlink | 0o777,
},
"dir/file": {
Data: []byte("Hello, World!\n"),
Mode: 0o644,
},
}
check := func(fsys FS, name string, want string) {
t.Helper()
got, err := ReadLink(fsys, name)
if got != want || err != nil {
t.Errorf("ReadLink(%q) = %q, %v; want %q, <nil>", name, got, err, want)
}
}
check(testFS, "foo", "bar")
check(testFS, "dir/parentlink", "../bar")
check(testFS, "dir/link", "file")
// Test that ReadLink on Sub works.
sub, err := Sub(testFS, "dir")
if err != nil {
t.Fatal(err)
}
check(sub, "link", "file")
check(sub, "parentlink", "../bar")
}
func TestLstat(t *testing.T) {
testFS := fstest.MapFS{
"foo": {
Data: []byte("bar"),
Mode: ModeSymlink | 0o777,
},
"bar": {
Data: []byte("Hello, World!\n"),
Mode: 0o644,
},
"dir/parentlink": {
Data: []byte("../bar"),
Mode: ModeSymlink | 0o777,
},
"dir/link": {
Data: []byte("file"),
Mode: ModeSymlink | 0o777,
},
"dir/file": {
Data: []byte("Hello, World!\n"),
Mode: 0o644,
},
}
check := func(fsys FS, name string, want FileMode) {
t.Helper()
info, err := Lstat(fsys, name)
var got FileMode
if err == nil {
got = info.Mode()
}
if got != want || err != nil {
t.Errorf("Lstat(%q) = %v, %v; want %v, <nil>", name, got, err, want)
}
}
check(testFS, "foo", ModeSymlink|0o777)
check(testFS, "bar", 0o644)
// Test that Lstat on Sub works.
sub, err := Sub(testFS, "dir")
if err != nil {
t.Fatal(err)
}
check(sub, "link", ModeSymlink|0o777)
}
|