]>
Commit | Line | Data |
---|---|---|
dd931d9b ILT |
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. | |
4 | ||
5 | package dirhash | |
6 | ||
7 | import ( | |
8 | "archive/zip" | |
9 | "crypto/sha256" | |
10 | "encoding/base64" | |
11 | "fmt" | |
12 | "io" | |
13 | "io/ioutil" | |
14 | "os" | |
15 | "path/filepath" | |
16 | "strings" | |
17 | "testing" | |
18 | ) | |
19 | ||
20 | func h(s string) string { | |
21 | return fmt.Sprintf("%x", sha256.Sum256([]byte(s))) | |
22 | } | |
23 | ||
24 | func htop(k string, s string) string { | |
25 | sum := sha256.Sum256([]byte(s)) | |
26 | return k + ":" + base64.StdEncoding.EncodeToString(sum[:]) | |
27 | } | |
28 | ||
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 | |
33 | } | |
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) | |
36 | if err != nil { | |
37 | t.Fatal(err) | |
38 | } | |
39 | if out != want { | |
40 | t.Errorf("Hash1(...) = %s, want %s", out, want) | |
41 | } | |
42 | ||
43 | _, err = Hash1([]string{"xyz", "a\nbc"}, open) | |
44 | if err == nil { | |
45 | t.Error("Hash1: expected error on newline in filenames") | |
46 | } | |
47 | } | |
48 | ||
49 | func TestHashDir(t *testing.T) { | |
50 | dir, err := ioutil.TempDir("", "dirhash-test-") | |
51 | if err != nil { | |
52 | t.Fatal(err) | |
53 | } | |
54 | defer os.RemoveAll(dir) | |
55 | if err := ioutil.WriteFile(filepath.Join(dir, "xyz"), []byte("data for xyz"), 0666); err != nil { | |
56 | t.Fatal(err) | |
57 | } | |
58 | if err := ioutil.WriteFile(filepath.Join(dir, "abc"), []byte("data for abc"), 0666); err != nil { | |
59 | t.Fatal(err) | |
60 | } | |
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) | |
63 | if err != nil { | |
64 | t.Fatalf("HashDir: %v", err) | |
65 | } | |
66 | if out != want { | |
67 | t.Errorf("HashDir(...) = %s, want %s", out, want) | |
68 | } | |
69 | } | |
70 | ||
71 | func TestHashZip(t *testing.T) { | |
72 | f, err := ioutil.TempFile("", "dirhash-test-") | |
73 | if err != nil { | |
74 | t.Fatal(err) | |
75 | } | |
76 | defer os.Remove(f.Name()) | |
77 | defer f.Close() | |
78 | ||
79 | z := zip.NewWriter(f) | |
80 | w, err := z.Create("prefix/xyz") | |
81 | if err != nil { | |
82 | t.Fatal(err) | |
83 | } | |
84 | w.Write([]byte("data for xyz")) | |
85 | w, err = z.Create("prefix/abc") | |
86 | if err != nil { | |
87 | t.Fatal(err) | |
88 | } | |
89 | w.Write([]byte("data for abc")) | |
90 | if err := z.Close(); err != nil { | |
91 | t.Fatal(err) | |
92 | } | |
93 | if err := f.Close(); err != nil { | |
94 | t.Fatal(err) | |
95 | } | |
96 | ||
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) | |
99 | if err != nil { | |
100 | t.Fatalf("HashDir: %v", err) | |
101 | } | |
102 | if out != want { | |
103 | t.Errorf("HashDir(...) = %s, want %s", out, want) | |
104 | } | |
105 | } | |
106 | ||
107 | func TestDirFiles(t *testing.T) { | |
108 | dir, err := ioutil.TempDir("", "dirfiles-test-") | |
109 | if err != nil { | |
110 | t.Fatal(err) | |
111 | } | |
112 | defer os.RemoveAll(dir) | |
113 | if err := ioutil.WriteFile(filepath.Join(dir, "xyz"), []byte("data for xyz"), 0666); err != nil { | |
114 | t.Fatal(err) | |
115 | } | |
116 | if err := ioutil.WriteFile(filepath.Join(dir, "abc"), []byte("data for abc"), 0666); err != nil { | |
117 | t.Fatal(err) | |
118 | } | |
119 | if err := os.Mkdir(filepath.Join(dir, "subdir"), 0777); err != nil { | |
120 | t.Fatal(err) | |
121 | } | |
122 | if err := ioutil.WriteFile(filepath.Join(dir, "subdir", "xyz"), []byte("data for subdir xyz"), 0666); err != nil { | |
123 | t.Fatal(err) | |
124 | } | |
125 | prefix := "foo/bar@v2.3.4" | |
126 | out, err := DirFiles(dir, prefix) | |
127 | if err != nil { | |
128 | t.Fatalf("DirFiles: %v", err) | |
129 | } | |
130 | for _, file := range out { | |
131 | if !strings.HasPrefix(file, prefix) { | |
132 | t.Errorf("Dir file = %s, want prefix %s", file, prefix) | |
133 | } | |
134 | } | |
135 | } |