-
Notifications
You must be signed in to change notification settings - Fork 1
/
reader_test.go
157 lines (131 loc) · 3.58 KB
/
reader_test.go
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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
package ykk_test
import (
"archive/zip"
"bytes"
"io"
"io/ioutil"
"os"
"path/filepath"
"strings"
. "code.cloudfoundry.org/ykk"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Reader", func() {
Describe("NewReader", func() {
var (
srcDir string
destDir string
zip1 string
)
BeforeEach(func() {
srcDir, err := ioutil.TempDir("", "")
Expect(err).ToNot(HaveOccurred())
destDir, err := ioutil.TempDir("", "")
Expect(err).ToNot(HaveOccurred())
err = ioutil.WriteFile(filepath.Join(srcDir, "tmpFile1"), []byte("Hello, Binky"), 0600)
Expect(err).ToNot(HaveOccurred())
err = ioutil.WriteFile(filepath.Join(srcDir, "tmpFile2"), []byte("Bananarama"), 0600)
Expect(err).ToNot(HaveOccurred())
zip1 = filepath.Join(destDir, "hello")
err = zipit(srcDir, zip1, "Hello World Prefix")
Expect(err).ToNot(HaveOccurred())
})
AfterEach(func() {
err := os.RemoveAll(srcDir)
Expect(err).ToNot(HaveOccurred())
err = os.RemoveAll(destDir)
Expect(err).ToNot(HaveOccurred())
})
// test create reader, confirm file 1 = hello world, 2 = banana
It("can do stuff", func() {
// make a 'Data' for zip1 and zip2
file1, err := os.Open(zip1)
Expect(err).ToNot(HaveOccurred())
defer file1.Close()
stat1, err := file1.Stat()
Expect(err).ToNot(HaveOccurred())
// Compare content
reader1, err := NewReader(file1, stat1.Size())
Expect(err).ToNot(HaveOccurred())
Expect(reader1.File).To(HaveLen(3))
Expect(reader1.File[1].Name).To(Equal("/tmpFile1"))
Expect(reader1.File[2].Name).To(Equal("/tmpFile2"))
f, err := reader1.File[1].Open()
Expect(err).ToNot(HaveOccurred())
body, err := ioutil.ReadAll(f)
Expect(err).ToNot(HaveOccurred())
Expect(f.Close()).ToNot(HaveOccurred())
Expect(body).To(Equal([]byte("Hello, Binky")))
f, err = reader1.File[2].Open()
Expect(err).ToNot(HaveOccurred())
body, err = ioutil.ReadAll(f)
Expect(err).ToNot(HaveOccurred())
Expect(f.Close()).ToNot(HaveOccurred())
Expect(body).To(Equal([]byte("Bananarama")))
})
})
Describe("FirstLocalFileHeaderSignature", func() {
It("returns the position of the first local file header signature", func() {
data := []byte{
0x00, 0x40, 0x12, 0x50,
0x11, 0x50, 0x4b, 0x22,
0x00, 0x40, 0x12, 0x50,
0x11, 0x50, 0x4b, 0x22,
0x11, 0x22, 0x50, 0x4b,
0x50, 0x4b, 0x03, 0x04, // first local file header signature
0x11, 0x50, 0x4b, 0x22,
}
loc, err := FirstLocalFileHeaderSignature(bytes.NewReader(data))
Expect(err).ToNot(HaveOccurred())
Expect(loc).To(BeNumerically("==", 20))
})
})
})
// Thanks to Svett Ralchev
// http://blog.ralch.com/tutorial/golang-working-with-zip/
func zipit(source, target, prefix string) error {
zipfile, err := os.Create(target)
if err != nil {
return err
}
defer zipfile.Close()
if prefix != "" {
_, err = io.WriteString(zipfile, prefix)
if err != nil {
return err
}
}
archive := zip.NewWriter(zipfile)
defer archive.Close()
err = filepath.Walk(source, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
header, err := zip.FileInfoHeader(info)
if err != nil {
return err
}
header.Name = strings.TrimPrefix(path, source)
if info.IsDir() {
header.Name += string(os.PathSeparator)
} else {
header.Method = zip.Deflate
}
writer, err := archive.CreateHeader(header)
if err != nil {
return err
}
if info.IsDir() {
return nil
}
file, err := os.Open(path)
if err != nil {
return err
}
defer file.Close()
_, err = io.Copy(writer, file)
return err
})
return err
}