1 // Copyright 2018 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
20 func h(s string) string {
21 return fmt.Sprintf("%x", sha256.Sum256([]byte(s)))
24 func htop(k string, s string) string {
25 sum := sha256.Sum256([]byte(s))
26 return k + ":" + base64.StdEncoding.EncodeToString(sum[:])
29 func TestHash1(t *testing.T) {
30 files := []string{"xyz", "abc"}
31 open := func(name string) (io.ReadCloser, error) {
32 return ioutil.NopCloser(strings.NewReader("data for " + name)), nil
34 want := htop("h1", fmt.Sprintf("%s %s\n%s %s\n", h("data for abc"), "abc", h("data for xyz"), "xyz"))
35 out, err := Hash1(files, open)
40 t.Errorf("Hash1(...) = %s, want %s", out, want)
43 _, err = Hash1([]string{"xyz", "a\nbc"}, open)
45 t.Error("Hash1: expected error on newline in filenames")
49 func TestHashDir(t *testing.T) {
50 dir, err := ioutil.TempDir("", "dirhash-test-")
54 defer os.RemoveAll(dir)
55 if err := ioutil.WriteFile(filepath.Join(dir, "xyz"), []byte("data for xyz"), 0666); err != nil {
58 if err := ioutil.WriteFile(filepath.Join(dir, "abc"), []byte("data for abc"), 0666); err != nil {
61 want := htop("h1", fmt.Sprintf("%s %s\n%s %s\n", h("data for abc"), "prefix/abc", h("data for xyz"), "prefix/xyz"))
62 out, err := HashDir(dir, "prefix", Hash1)
64 t.Fatalf("HashDir: %v", err)
67 t.Errorf("HashDir(...) = %s, want %s", out, want)
71 func TestHashZip(t *testing.T) {
72 f, err := ioutil.TempFile("", "dirhash-test-")
76 defer os.Remove(f.Name())
80 w, err := z.Create("prefix/xyz")
84 w.Write([]byte("data for xyz"))
85 w, err = z.Create("prefix/abc")
89 w.Write([]byte("data for abc"))
90 if err := z.Close(); err != nil {
93 if err := f.Close(); err != nil {
97 want := htop("h1", fmt.Sprintf("%s %s\n%s %s\n", h("data for abc"), "prefix/abc", h("data for xyz"), "prefix/xyz"))
98 out, err := HashZip(f.Name(), Hash1)
100 t.Fatalf("HashDir: %v", err)
103 t.Errorf("HashDir(...) = %s, want %s", out, want)
107 func TestDirFiles(t *testing.T) {
108 dir, err := ioutil.TempDir("", "dirfiles-test-")
112 defer os.RemoveAll(dir)
113 if err := ioutil.WriteFile(filepath.Join(dir, "xyz"), []byte("data for xyz"), 0666); err != nil {
116 if err := ioutil.WriteFile(filepath.Join(dir, "abc"), []byte("data for abc"), 0666); err != nil {
119 if err := os.Mkdir(filepath.Join(dir, "subdir"), 0777); err != nil {
122 if err := ioutil.WriteFile(filepath.Join(dir, "subdir", "xyz"), []byte("data for subdir xyz"), 0666); err != nil {
125 prefix := "foo/bar@v2.3.4"
126 out, err := DirFiles(dir, prefix)
128 t.Fatalf("DirFiles: %v", err)
130 for _, file := range out {
131 if !strings.HasPrefix(file, prefix) {
132 t.Errorf("Dir file = %s, want prefix %s", file, prefix)