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
|
#!/usr/bin/env python
#
# 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/.
import os
import unittest
import subprocess
import tempfile
import shutil
import urlparse
import zipfile
import StringIO
import mozcrash
import mozhttpd
import mozlog.unstructured as mozlog
# Make logs go away
log = mozlog.getLogger("mozcrash", handler=mozlog.FileHandler(os.devnull))
def popen_factory(stdouts):
"""
Generate a class that can mock subprocess.Popen. |stdouts| is an iterable that
should return an iterable for the stdout of each process in turn.
"""
class mock_popen(object):
def __init__(self, args, *args_rest, **kwargs):
self.stdout = stdouts.next()
self.returncode = 0
def wait(self):
return 0
def communicate(self):
return (self.stdout.next(), "")
return mock_popen
class TestCrash(unittest.TestCase):
def setUp(self):
self.tempdir = tempfile.mkdtemp()
# a fake file to use as a stackwalk binary
self.stackwalk = os.path.join(self.tempdir, "stackwalk")
open(self.stackwalk, "w").write("fake binary")
self._subprocess_popen = subprocess.Popen
subprocess.Popen = popen_factory(self.next_mock_stdout())
self.stdouts = []
def tearDown(self):
subprocess.Popen = self._subprocess_popen
shutil.rmtree(self.tempdir)
def next_mock_stdout(self):
if not self.stdouts:
yield iter([])
for s in self.stdouts:
yield iter(s)
def test_nodumps(self):
"""
Test that check_for_crashes returns False if no dumps are present.
"""
self.stdouts.append(["this is some output"])
self.assertFalse(mozcrash.check_for_crashes(self.tempdir,
symbols_path='symbols_path',
stackwalk_binary=self.stackwalk,
quiet=True))
def test_simple(self):
"""
Test that check_for_crashes returns True if a dump is present.
"""
open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
self.stdouts.append(["this is some output"])
self.assert_(mozcrash.check_for_crashes(self.tempdir,
symbols_path='symbols_path',
stackwalk_binary=self.stackwalk,
quiet=True))
def test_stackwalk_envvar(self):
"""
Test that check_for_crashes uses the MINIDUMP_STACKWALK environment var.
"""
open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
self.stdouts.append(["this is some output"])
os.environ['MINIDUMP_STACKWALK'] = self.stackwalk
self.assert_(mozcrash.check_for_crashes(self.tempdir,
symbols_path='symbols_path',
quiet=True))
del os.environ['MINIDUMP_STACKWALK']
def test_save_path(self):
"""
Test that dump_save_path works.
"""
open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
open(os.path.join(self.tempdir, "test.extra"), "w").write("bar")
save_path = os.path.join(self.tempdir, "saved")
os.mkdir(save_path)
self.stdouts.append(["this is some output"])
self.assert_(mozcrash.check_for_crashes(self.tempdir,
symbols_path='symbols_path',
stackwalk_binary=self.stackwalk,
dump_save_path=save_path,
quiet=True))
self.assert_(os.path.isfile(os.path.join(save_path, "test.dmp")))
self.assert_(os.path.isfile(os.path.join(save_path, "test.extra")))
def test_save_path_not_present(self):
"""
Test that dump_save_path works when the directory doesn't exist.
"""
open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
open(os.path.join(self.tempdir, "test.extra"), "w").write("bar")
save_path = os.path.join(self.tempdir, "saved")
self.stdouts.append(["this is some output"])
self.assert_(mozcrash.check_for_crashes(self.tempdir,
symbols_path='symbols_path',
stackwalk_binary=self.stackwalk,
dump_save_path=save_path,
quiet=True))
self.assert_(os.path.isfile(os.path.join(save_path, "test.dmp")))
self.assert_(os.path.isfile(os.path.join(save_path, "test.extra")))
def test_save_path_isfile(self):
"""
Test that dump_save_path works when the directory doesn't exist,
but a file with the same name exists.
"""
open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
open(os.path.join(self.tempdir, "test.extra"), "w").write("bar")
save_path = os.path.join(self.tempdir, "saved")
open(save_path, "w").write("junk")
self.stdouts.append(["this is some output"])
self.assert_(mozcrash.check_for_crashes(self.tempdir,
symbols_path='symbols_path',
stackwalk_binary=self.stackwalk,
dump_save_path=save_path,
quiet=True))
self.assert_(os.path.isfile(os.path.join(save_path, "test.dmp")))
self.assert_(os.path.isfile(os.path.join(save_path, "test.extra")))
def test_save_path_envvar(self):
"""
Test that the MINDUMP_SAVE_PATH environment variable works.
"""
open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
open(os.path.join(self.tempdir, "test.extra"), "w").write("bar")
save_path = os.path.join(self.tempdir, "saved")
os.mkdir(save_path)
self.stdouts.append(["this is some output"])
os.environ['MINIDUMP_SAVE_PATH'] = save_path
self.assert_(mozcrash.check_for_crashes(self.tempdir,
symbols_path='symbols_path',
stackwalk_binary=self.stackwalk,
quiet=True))
del os.environ['MINIDUMP_SAVE_PATH']
self.assert_(os.path.isfile(os.path.join(save_path, "test.dmp")))
self.assert_(os.path.isfile(os.path.join(save_path, "test.extra")))
def test_symbol_path_not_present(self):
open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
self.stdouts.append(["this is some output"])
self.assert_(mozcrash.check_for_crashes(self.tempdir,
symbols_path=None,
stackwalk_binary=self.stackwalk,
quiet=True))
def test_symbol_path_url(self):
"""
Test that passing a URL as symbols_path correctly fetches the URL.
"""
open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
self.stdouts.append(["this is some output"])
def make_zipfile():
data = StringIO.StringIO()
z = zipfile.ZipFile(data, 'w')
z.writestr("symbols.txt", "abc/xyz")
z.close()
return data.getvalue()
def get_symbols(req):
headers = {}
return (200, headers, make_zipfile())
httpd = mozhttpd.MozHttpd(port=0,
urlhandlers=[{'method': 'GET',
'path': '/symbols',
'function': get_symbols}])
httpd.start()
symbol_url = urlparse.urlunsplit(('http', '%s:%d' % httpd.httpd.server_address,
'/symbols', '', ''))
self.assert_(mozcrash.check_for_crashes(self.tempdir,
symbol_url,
stackwalk_binary=self.stackwalk,
quiet=True))
class TestJavaException(unittest.TestCase):
def setUp(self):
self.test_log = [
"01-30 20:15:41.937 E/GeckoAppShell( 1703): >>> "
"REPORTING UNCAUGHT EXCEPTION FROM THREAD 9 (\"GeckoBackgroundThread\")",
"01-30 20:15:41.937 E/GeckoAppShell( 1703): java.lang.NullPointerException",
"01-30 20:15:41.937 E/GeckoAppShell( 1703):"
" at org.mozilla.gecko.GeckoApp$21.run(GeckoApp.java:1833)",
"01-30 20:15:41.937 E/GeckoAppShell( 1703):"
" at android.os.Handler.handleCallback(Handler.java:587)"]
def test_uncaught_exception(self):
"""
Test for an exception which should be caught
"""
self.assert_(mozcrash.check_for_java_exception(self.test_log, quiet=True))
def test_truncated_exception(self):
"""
Test for an exception which should be caught which
was truncated
"""
truncated_log = list(self.test_log)
truncated_log[0], truncated_log[1] = truncated_log[1], truncated_log[0]
self.assert_(mozcrash.check_for_java_exception(truncated_log, quiet=True))
def test_unchecked_exception(self):
"""
Test for an exception which should not be caught
"""
passable_log = list(self.test_log)
passable_log[0] = "01-30 20:15:41.937 E/GeckoAppShell( 1703):" \
" >>> NOT-SO-BAD EXCEPTION FROM THREAD 9 (\"GeckoBackgroundThread\")"
self.assert_(not mozcrash.check_for_java_exception(passable_log, quiet=True))
if __name__ == '__main__':
unittest.main()
|
