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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.apkzlib.zip;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import com.google.common.base.Charsets;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.io.ByteStreams;
import com.google.common.io.Files;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.InputStream;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import org.junit.Assume;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
@RunWith(Parameterized.class)
public class ZipToolsTest {
@Parameterized.Parameter(0)
@Nullable
public String mZipFile;
@Parameterized.Parameter(1)
@Nullable
public List<String> mUnzipCommand;
@Parameterized.Parameter(2)
@Nullable
public String mUnzipLineRegex;
@Parameterized.Parameter(3)
public boolean mToolStoresDirectories;
@Parameterized.Parameter(4)
public String mName;
@Rule
@Nonnull
public TemporaryFolder mTemporaryFolder = new TemporaryFolder();
@Parameterized.Parameters(name = "{4} {index}")
public static Iterable<Object[]> getConfigurations() {
return Arrays.asList(new Object[][] {
{
"linux-zip.zip",
ImmutableList.of("/usr/bin/unzip", "-v"),
"^\\s*(?<size>\\d+)\\s+(?:Stored|Defl:N).*\\s(?<name>\\S+)\\S*$",
true,
"Linux Zip"
},
{
"windows-7zip.zip",
ImmutableList.of("c:\\Program Files\\7-Zip\\7z.exe", "l"),
"^(?:\\S+\\s+){3}(?<size>\\d+)\\s+\\d+\\s+(?<name>\\S+)\\s*$",
true,
"Windows 7-Zip"
},
{
"windows-cf.zip",
ImmutableList.of(
"Cannot use compressed folders from cmd line to list zip contents"),
"",
false,
"Windows Compressed Folders"
}
});
}
private File cloneZipFile() throws Exception {
File zfile = mTemporaryFolder.newFile("file.zip");
Files.write(ZipTestUtils.rsrcBytes(mZipFile), zfile);
return zfile;
}
private static void assertFileInZip(@Nonnull ZFile zfile, @Nonnull String name) throws Exception {
StoredEntry root = zfile.get(name);
assertNotNull(root);
InputStream is = root.open();
byte[] inZipData = ByteStreams.toByteArray(is);
is.close();
byte[] inFileData = ZipTestUtils.rsrcBytes(name);
assertArrayEquals(inFileData, inZipData);
}
@Test
public void zfileReadsZipFile() throws Exception {
try (ZFile zf = new ZFile(cloneZipFile())) {
if (mToolStoresDirectories) {
assertEquals(6, zf.entries().size());
} else {
assertEquals(4, zf.entries().size());
}
assertFileInZip(zf, "root");
assertFileInZip(zf, "images/lena.png");
assertFileInZip(zf, "text-files/rfc2460.txt");
assertFileInZip(zf, "text-files/wikipedia.html");
}
}
@Test
public void toolReadsZfFile() throws Exception {
testReadZFile(false);
}
@Test
public void toolReadsAlignedZfFile() throws Exception {
testReadZFile(true);
}
private void testReadZFile(boolean align) throws Exception {
String unzipcmd = mUnzipCommand.get(0);
Assume.assumeTrue(new File(unzipcmd).canExecute());
ZFileOptions options = new ZFileOptions();
if (align) {
options.setAlignmentRule(AlignmentRules.constant(500));
}
File zfile = new File (mTemporaryFolder.getRoot(), "zfile.zip");
try (ZFile zf = new ZFile(zfile, options)) {
zf.add("root", new ByteArrayInputStream(ZipTestUtils.rsrcBytes("root")));
zf.add("images/", new ByteArrayInputStream(new byte[0]));
zf.add(
"images/lena.png",
new ByteArrayInputStream(ZipTestUtils.rsrcBytes("images/lena.png")));
zf.add("text-files/", new ByteArrayInputStream(new byte[0]));
zf.add(
"text-files/rfc2460.txt",
new ByteArrayInputStream(ZipTestUtils.rsrcBytes("text-files/rfc2460.txt")));
zf.add(
"text-files/wikipedia.html",
new ByteArrayInputStream(ZipTestUtils.rsrcBytes("text-files/wikipedia.html")));
}
List<String> command = Lists.newArrayList(mUnzipCommand);
command.add(zfile.getAbsolutePath());
ProcessBuilder pb = new ProcessBuilder(command);
Process proc = pb.start();
InputStream is = proc.getInputStream();
byte output[] = ByteStreams.toByteArray(is);
String text = new String(output, Charsets.US_ASCII);
String lines[] = text.split("\n");
Map<String, Integer> sizes = Maps.newHashMap();
for (String l : lines) {
Matcher m = Pattern.compile(mUnzipLineRegex).matcher(l);
if (m.matches()) {
String sizeTxt = m.group("size");
int size = Integer.parseInt(sizeTxt);
String name = m.group("name");
sizes.put(name, size);
}
}
assertEquals(6, sizes.size());
/*
* The "images" directory may show up as "images" or "images/".
*/
String imagesKey = "images/";
if (!sizes.containsKey(imagesKey)) {
imagesKey = "images";
}
assertTrue(sizes.containsKey(imagesKey));
assertEquals(0, sizes.get(imagesKey).intValue());
assertSize(new String[] { "images/", "images" }, 0, sizes);
assertSize(new String[] { "text-files/", "text-files"}, 0, sizes);
assertSize(new String[] { "root" }, ZipTestUtils.rsrcBytes("root").length, sizes);
assertSize(new String[] { "images/lena.png", "images\\lena.png" },
ZipTestUtils.rsrcBytes("images/lena.png").length, sizes);
assertSize(new String[] { "text-files/rfc2460.txt", "text-files\\rfc2460.txt" },
ZipTestUtils.rsrcBytes("text-files/rfc2460.txt").length, sizes);
assertSize(new String[] { "text-files/wikipedia.html", "text-files\\wikipedia.html" },
ZipTestUtils.rsrcBytes("text-files/wikipedia.html").length, sizes);
}
private static void assertSize(String[] names, long size, Map<String, Integer> sizes) {
for (String n : names) {
if (sizes.containsKey(n)) {
assertEquals((long) sizes.get(n), size);
return;
}
}
fail();
}
}
|
