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
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
|
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from mozpack.files import FileFinder
from mozpack.mozjar import (
JarReaderError,
JarWriterError,
JarStruct,
JarReader,
JarWriter,
Deflater,
JarLog,
)
from collections import OrderedDict
from mozpack.test.test_files import MockDest
import unittest
import mozunit
from cStringIO import StringIO
from urllib import pathname2url
import mozpack.path as mozpath
import os
test_data_path = mozpath.abspath(mozpath.dirname(__file__))
test_data_path = mozpath.join(test_data_path, 'data')
class TestJarStruct(unittest.TestCase):
class Foo(JarStruct):
MAGIC = 0x01020304
STRUCT = OrderedDict([
('foo', 'uint32'),
('bar', 'uint16'),
('qux', 'uint16'),
('length', 'uint16'),
('length2', 'uint16'),
('string', 'length'),
('string2', 'length2'),
])
def test_jar_struct(self):
foo = TestJarStruct.Foo()
self.assertEqual(foo.signature, TestJarStruct.Foo.MAGIC)
self.assertEqual(foo['foo'], 0)
self.assertEqual(foo['bar'], 0)
self.assertEqual(foo['qux'], 0)
self.assertFalse('length' in foo)
self.assertFalse('length2' in foo)
self.assertEqual(foo['string'], '')
self.assertEqual(foo['string2'], '')
self.assertEqual(foo.size, 16)
foo['foo'] = 0x42434445
foo['bar'] = 0xabcd
foo['qux'] = 0xef01
foo['string'] = 'abcde'
foo['string2'] = 'Arbitrarily long string'
serialized = b'\x04\x03\x02\x01\x45\x44\x43\x42\xcd\xab\x01\xef' + \
b'\x05\x00\x17\x00abcdeArbitrarily long string'
self.assertEqual(foo.size, len(serialized))
foo_serialized = foo.serialize()
self.assertEqual(foo_serialized, serialized)
def do_test_read_jar_struct(self, data):
self.assertRaises(JarReaderError, TestJarStruct.Foo, data)
self.assertRaises(JarReaderError, TestJarStruct.Foo, data[2:])
foo = TestJarStruct.Foo(data[1:])
self.assertEqual(foo['foo'], 0x45444342)
self.assertEqual(foo['bar'], 0xcdab)
self.assertEqual(foo['qux'], 0x01ef)
self.assertFalse('length' in foo)
self.assertFalse('length2' in foo)
self.assertEqual(foo['string'], '012345')
self.assertEqual(foo['string2'], '67')
def test_read_jar_struct(self):
data = b'\x00\x04\x03\x02\x01\x42\x43\x44\x45\xab\xcd\xef' + \
b'\x01\x06\x00\x02\x0001234567890'
self.do_test_read_jar_struct(data)
def test_read_jar_struct_memoryview(self):
data = b'\x00\x04\x03\x02\x01\x42\x43\x44\x45\xab\xcd\xef' + \
b'\x01\x06\x00\x02\x0001234567890'
self.do_test_read_jar_struct(memoryview(data))
class TestDeflater(unittest.TestCase):
def wrap(self, data):
return data
def test_deflater_no_compress(self):
deflater = Deflater(False)
deflater.write(self.wrap('abc'))
self.assertFalse(deflater.compressed)
self.assertEqual(deflater.uncompressed_size, 3)
self.assertEqual(deflater.compressed_size, deflater.uncompressed_size)
self.assertEqual(deflater.compressed_data, 'abc')
self.assertEqual(deflater.crc32, 0x352441c2)
def test_deflater_compress_no_gain(self):
deflater = Deflater(True)
deflater.write(self.wrap('abc'))
self.assertFalse(deflater.compressed)
self.assertEqual(deflater.uncompressed_size, 3)
self.assertEqual(deflater.compressed_size, deflater.uncompressed_size)
self.assertEqual(deflater.compressed_data, 'abc')
self.assertEqual(deflater.crc32, 0x352441c2)
def test_deflater_compress(self):
deflater = Deflater(True)
deflater.write(self.wrap('aaaaaaaaaaaaanopqrstuvwxyz'))
self.assertTrue(deflater.compressed)
self.assertEqual(deflater.uncompressed_size, 26)
self.assertNotEqual(deflater.compressed_size,
deflater.uncompressed_size)
self.assertEqual(deflater.crc32, 0xd46b97ed)
# The CRC is the same as when not compressed
deflater = Deflater(False)
self.assertFalse(deflater.compressed)
deflater.write(self.wrap('aaaaaaaaaaaaanopqrstuvwxyz'))
self.assertEqual(deflater.crc32, 0xd46b97ed)
class TestDeflaterMemoryView(TestDeflater):
def wrap(self, data):
return memoryview(data)
class TestJar(unittest.TestCase):
optimize = False
def test_jar(self):
s = MockDest()
with JarWriter(fileobj=s, optimize=self.optimize) as jar:
jar.add('foo', 'foo')
self.assertRaises(JarWriterError, jar.add, 'foo', 'bar')
jar.add('bar', 'aaaaaaaaaaaaanopqrstuvwxyz')
jar.add('baz/qux', 'aaaaaaaaaaaaanopqrstuvwxyz', False)
jar.add('baz\\backslash', 'aaaaaaaaaaaaaaa')
files = [j for j in JarReader(fileobj=s)]
self.assertEqual(files[0].filename, 'foo')
self.assertFalse(files[0].compressed)
self.assertEqual(files[0].read(), 'foo')
self.assertEqual(files[1].filename, 'bar')
self.assertTrue(files[1].compressed)
self.assertEqual(files[1].read(), 'aaaaaaaaaaaaanopqrstuvwxyz')
self.assertEqual(files[2].filename, 'baz/qux')
self.assertFalse(files[2].compressed)
self.assertEqual(files[2].read(), 'aaaaaaaaaaaaanopqrstuvwxyz')
if os.sep == '\\':
self.assertEqual(files[3].filename, 'baz/backslash',
'backslashes in filenames on Windows should get normalized')
else:
self.assertEqual(files[3].filename, 'baz\\backslash',
'backslashes in filenames on POSIX platform are untouched')
s = MockDest()
with JarWriter(fileobj=s, compress=False,
optimize=self.optimize) as jar:
jar.add('bar', 'aaaaaaaaaaaaanopqrstuvwxyz')
jar.add('foo', 'foo')
jar.add('baz/qux', 'aaaaaaaaaaaaanopqrstuvwxyz', True)
jar = JarReader(fileobj=s)
files = [j for j in jar]
self.assertEqual(files[0].filename, 'bar')
self.assertFalse(files[0].compressed)
self.assertEqual(files[0].read(), 'aaaaaaaaaaaaanopqrstuvwxyz')
self.assertEqual(files[1].filename, 'foo')
self.assertFalse(files[1].compressed)
self.assertEqual(files[1].read(), 'foo')
self.assertEqual(files[2].filename, 'baz/qux')
self.assertTrue(files[2].compressed)
self.assertEqual(files[2].read(), 'aaaaaaaaaaaaanopqrstuvwxyz')
self.assertTrue('bar' in jar)
self.assertTrue('foo' in jar)
self.assertFalse('baz' in jar)
self.assertTrue('baz/qux' in jar)
self.assertTrue(jar['bar'], files[1])
self.assertTrue(jar['foo'], files[0])
self.assertTrue(jar['baz/qux'], files[2])
s.seek(0)
jar = JarReader(fileobj=s)
self.assertTrue('bar' in jar)
self.assertTrue('foo' in jar)
self.assertFalse('baz' in jar)
self.assertTrue('baz/qux' in jar)
files[0].seek(0)
self.assertEqual(jar['bar'].filename, files[0].filename)
self.assertEqual(jar['bar'].compressed, files[0].compressed)
self.assertEqual(jar['bar'].read(), files[0].read())
files[1].seek(0)
self.assertEqual(jar['foo'].filename, files[1].filename)
self.assertEqual(jar['foo'].compressed, files[1].compressed)
self.assertEqual(jar['foo'].read(), files[1].read())
files[2].seek(0)
self.assertEqual(jar['baz/qux'].filename, files[2].filename)
self.assertEqual(jar['baz/qux'].compressed, files[2].compressed)
self.assertEqual(jar['baz/qux'].read(), files[2].read())
def test_rejar(self):
s = MockDest()
with JarWriter(fileobj=s, optimize=self.optimize) as jar:
jar.add('foo', 'foo')
jar.add('bar', 'aaaaaaaaaaaaanopqrstuvwxyz')
jar.add('baz/qux', 'aaaaaaaaaaaaanopqrstuvwxyz', False)
new = MockDest()
with JarWriter(fileobj=new, optimize=self.optimize) as jar:
for j in JarReader(fileobj=s):
jar.add(j.filename, j)
jar = JarReader(fileobj=new)
files = [j for j in jar]
self.assertEqual(files[0].filename, 'foo')
self.assertFalse(files[0].compressed)
self.assertEqual(files[0].read(), 'foo')
self.assertEqual(files[1].filename, 'bar')
self.assertTrue(files[1].compressed)
self.assertEqual(files[1].read(), 'aaaaaaaaaaaaanopqrstuvwxyz')
self.assertEqual(files[2].filename, 'baz/qux')
self.assertTrue(files[2].compressed)
self.assertEqual(files[2].read(), 'aaaaaaaaaaaaanopqrstuvwxyz')
def test_add_from_finder(self):
s = MockDest()
with JarWriter(fileobj=s, optimize=self.optimize) as jar:
finder = FileFinder(test_data_path)
for p, f in finder.find('test_data'):
jar.add('test_data', f)
jar = JarReader(fileobj=s)
files = [j for j in jar]
self.assertEqual(files[0].filename, 'test_data')
self.assertFalse(files[0].compressed)
self.assertEqual(files[0].read(), 'test_data')
class TestOptimizeJar(TestJar):
optimize = True
class TestPreload(unittest.TestCase):
def test_preload(self):
s = MockDest()
with JarWriter(fileobj=s) as jar:
jar.add('foo', 'foo')
jar.add('bar', 'abcdefghijklmnopqrstuvwxyz')
jar.add('baz/qux', 'aaaaaaaaaaaaanopqrstuvwxyz')
jar = JarReader(fileobj=s)
self.assertEqual(jar.last_preloaded, None)
with JarWriter(fileobj=s) as jar:
jar.add('foo', 'foo')
jar.add('bar', 'abcdefghijklmnopqrstuvwxyz')
jar.add('baz/qux', 'aaaaaaaaaaaaanopqrstuvwxyz')
jar.preload(['baz/qux', 'bar'])
jar = JarReader(fileobj=s)
self.assertEqual(jar.last_preloaded, 'bar')
files = [j for j in jar]
self.assertEqual(files[0].filename, 'baz/qux')
self.assertEqual(files[1].filename, 'bar')
self.assertEqual(files[2].filename, 'foo')
class TestJarLog(unittest.TestCase):
def test_jarlog(self):
base = 'file:' + pathname2url(os.path.abspath(os.curdir))
s = StringIO('\n'.join([
base + '/bar/baz.jar first',
base + '/bar/baz.jar second',
base + '/bar/baz.jar third',
base + '/bar/baz.jar second',
base + '/bar/baz.jar second',
'jar:' + base + '/qux.zip!/omni.ja stuff',
base + '/bar/baz.jar first',
'jar:' + base + '/qux.zip!/omni.ja other/stuff',
'jar:' + base + '/qux.zip!/omni.ja stuff',
base + '/bar/baz.jar third',
'jar:jar:' + base + '/qux.zip!/baz/baz.jar!/omni.ja nested/stuff',
'jar:jar:jar:' + base + '/qux.zip!/baz/baz.jar!/foo.zip!/omni.ja' +
' deeply/nested/stuff',
]))
log = JarLog(fileobj=s)
canonicalize = lambda p: \
mozpath.normsep(os.path.normcase(os.path.realpath(p)))
baz_jar = canonicalize('bar/baz.jar')
qux_zip = canonicalize('qux.zip')
self.assertEqual(set(log.keys()), set([
baz_jar,
(qux_zip, 'omni.ja'),
(qux_zip, 'baz/baz.jar', 'omni.ja'),
(qux_zip, 'baz/baz.jar', 'foo.zip', 'omni.ja'),
]))
self.assertEqual(log[baz_jar], [
'first',
'second',
'third',
])
self.assertEqual(log[(qux_zip, 'omni.ja')], [
'stuff',
'other/stuff',
])
self.assertEqual(log[(qux_zip, 'baz/baz.jar', 'omni.ja')],
['nested/stuff'])
self.assertEqual(log[(qux_zip, 'baz/baz.jar', 'foo.zip',
'omni.ja')], ['deeply/nested/stuff'])
# The above tests also indirectly check the value returned by
# JarLog.canonicalize for various jar: and file: urls, but
# JarLog.canonicalize also supports plain paths.
self.assertEqual(JarLog.canonicalize(os.path.abspath('bar/baz.jar')),
baz_jar)
self.assertEqual(JarLog.canonicalize('bar/baz.jar'), baz_jar)
if __name__ == '__main__':
mozunit.main()
|
