/usr/share/gocode/src/github.com/klauspost/compress/zip/writer_test.go is in golang-github-klauspost-compress-dev 1.2.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 | // Copyright 2011 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 zip
import (
"bytes"
"io"
"io/ioutil"
"math/rand"
"os"
"testing"
)
// TODO(adg): a more sophisticated test suite
type WriteTest struct {
Name string
Data []byte
Method uint16
Mode os.FileMode
}
var writeTests = []WriteTest{
{
Name: "foo",
Data: []byte("Rabbits, guinea pigs, gophers, marsupial rats, and quolls."),
Method: Store,
Mode: 0666,
},
{
Name: "bar",
Data: nil, // large data set in the test
Method: Deflate,
Mode: 0644,
},
{
Name: "setuid",
Data: []byte("setuid file"),
Method: Deflate,
Mode: 0755 | os.ModeSetuid,
},
{
Name: "setgid",
Data: []byte("setgid file"),
Method: Deflate,
Mode: 0755 | os.ModeSetgid,
},
{
Name: "symlink",
Data: []byte("../link/target"),
Method: Deflate,
Mode: 0755 | os.ModeSymlink,
},
}
func TestWriter(t *testing.T) {
largeData := make([]byte, 1<<17)
for i := range largeData {
largeData[i] = byte(rand.Int())
}
writeTests[1].Data = largeData
defer func() {
writeTests[1].Data = nil
}()
// write a zip file
buf := new(bytes.Buffer)
w := NewWriter(buf)
for _, wt := range writeTests {
testCreate(t, w, &wt)
}
if err := w.Close(); err != nil {
t.Fatal(err)
}
// read it back
r, err := NewReader(bytes.NewReader(buf.Bytes()), int64(buf.Len()))
if err != nil {
t.Fatal(err)
}
for i, wt := range writeTests {
testReadFile(t, r.File[i], &wt)
}
}
func TestWriterOffset(t *testing.T) {
largeData := make([]byte, 1<<17)
for i := range largeData {
largeData[i] = byte(rand.Int())
}
writeTests[1].Data = largeData
defer func() {
writeTests[1].Data = nil
}()
// write a zip file
buf := new(bytes.Buffer)
existingData := []byte{1, 2, 3, 1, 2, 3, 1, 2, 3}
n, _ := buf.Write(existingData)
w := NewWriter(buf)
w.SetOffset(int64(n))
for _, wt := range writeTests {
testCreate(t, w, &wt)
}
if err := w.Close(); err != nil {
t.Fatal(err)
}
// read it back
r, err := NewReader(bytes.NewReader(buf.Bytes()), int64(buf.Len()))
if err != nil {
t.Fatal(err)
}
for i, wt := range writeTests {
testReadFile(t, r.File[i], &wt)
}
}
func TestWriterFlush(t *testing.T) {
var buf bytes.Buffer
w := NewWriter(struct{ io.Writer }{&buf})
_, err := w.Create("foo")
if err != nil {
t.Fatal(err)
}
if buf.Len() > 0 {
t.Fatalf("Unexpected %d bytes already in buffer", buf.Len())
}
if err := w.Flush(); err != nil {
t.Fatal(err)
}
if buf.Len() == 0 {
t.Fatal("No bytes written after Flush")
}
}
func testCreate(t *testing.T, w *Writer, wt *WriteTest) {
header := &FileHeader{
Name: wt.Name,
Method: wt.Method,
}
if wt.Mode != 0 {
header.SetMode(wt.Mode)
}
f, err := w.CreateHeader(header)
if err != nil {
t.Fatal(err)
}
_, err = f.Write(wt.Data)
if err != nil {
t.Fatal(err)
}
}
func testReadFile(t *testing.T, f *File, wt *WriteTest) {
if f.Name != wt.Name {
t.Fatalf("File name: got %q, want %q", f.Name, wt.Name)
}
testFileMode(t, wt.Name, f, wt.Mode)
rc, err := f.Open()
if err != nil {
t.Fatal("opening:", err)
}
b, err := ioutil.ReadAll(rc)
if err != nil {
t.Fatal("reading:", err)
}
err = rc.Close()
if err != nil {
t.Fatal("closing:", err)
}
if !bytes.Equal(b, wt.Data) {
t.Errorf("File contents %q, want %q", b, wt.Data)
}
}
func BenchmarkCompressedZipGarbage(b *testing.B) {
b.ReportAllocs()
var buf bytes.Buffer
bigBuf := bytes.Repeat([]byte("a"), 1<<20)
for i := 0; i < b.N; i++ {
buf.Reset()
zw := NewWriter(&buf)
for j := 0; j < 3; j++ {
w, _ := zw.CreateHeader(&FileHeader{
Name: "foo",
Method: Deflate,
})
w.Write(bigBuf)
}
zw.Close()
}
}
|