diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
commit | ccd992355df7192993c666236047820244914598 (patch) | |
tree | f00fea65147227b7743083c6148396f74cd66935 /src/testing/fstest/testfs_test.go | |
parent | Initial commit. (diff) | |
download | golang-1.21-ccd992355df7192993c666236047820244914598.tar.xz golang-1.21-ccd992355df7192993c666236047820244914598.zip |
Adding upstream version 1.21.8.upstream/1.21.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/testing/fstest/testfs_test.go')
-rw-r--r-- | src/testing/fstest/testfs_test.go | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/testing/fstest/testfs_test.go b/src/testing/fstest/testfs_test.go new file mode 100644 index 0000000..a48c597 --- /dev/null +++ b/src/testing/fstest/testfs_test.go @@ -0,0 +1,78 @@ +// Copyright 2021 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 fstest + +import ( + "internal/testenv" + "io/fs" + "os" + "path/filepath" + "sort" + "testing" +) + +func TestSymlink(t *testing.T) { + testenv.MustHaveSymlink(t) + + tmp := t.TempDir() + tmpfs := os.DirFS(tmp) + + if err := os.WriteFile(filepath.Join(tmp, "hello"), []byte("hello, world\n"), 0644); err != nil { + t.Fatal(err) + } + + if err := os.Symlink(filepath.Join(tmp, "hello"), filepath.Join(tmp, "hello.link")); err != nil { + t.Fatal(err) + } + + if err := TestFS(tmpfs, "hello", "hello.link"); err != nil { + t.Fatal(err) + } +} + +func TestDash(t *testing.T) { + m := MapFS{ + "a-b/a": {Data: []byte("a-b/a")}, + } + if err := TestFS(m, "a-b/a"); err != nil { + t.Error(err) + } +} + +type shuffledFS MapFS + +func (fsys shuffledFS) Open(name string) (fs.File, error) { + f, err := MapFS(fsys).Open(name) + if err != nil { + return nil, err + } + return &shuffledFile{File: f}, nil +} + +type shuffledFile struct{ fs.File } + +func (f *shuffledFile) ReadDir(n int) ([]fs.DirEntry, error) { + dirents, err := f.File.(fs.ReadDirFile).ReadDir(n) + // Shuffle in a deterministic way, all we care about is making sure that the + // list of directory entries is not is the lexicographic order. + // + // We do this to make sure that the TestFS test suite is not affected by the + // order of directory entries. + sort.Slice(dirents, func(i, j int) bool { + return dirents[i].Name() > dirents[j].Name() + }) + return dirents, err +} + +func TestShuffledFS(t *testing.T) { + fsys := shuffledFS{ + "tmp/one": {Data: []byte("1")}, + "tmp/two": {Data: []byte("2")}, + "tmp/three": {Data: []byte("3")}, + } + if err := TestFS(fsys, "tmp/one", "tmp/two", "tmp/three"); err != nil { + t.Error(err) + } +} |