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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354
|
# Copyright (c) 2008-2009 AG Projects
# Author: Denis Bilenko
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
# package is named greentest, not test, so it won't be confused with test in stdlib
import sys
import unittest
from unittest import TestCase as BaseTestCase
import time
import traceback
import re
import os
from os.path import basename, splitext
import gevent
from patched_tests_setup import get_switch_expected
try:
from functools import wraps
except ImportError:
wraps = lambda *args: (lambda x: x)
VERBOSE = sys.argv.count('-v') > 1
if '--debug-greentest' in sys.argv:
sys.argv.remove('--debug-greentest')
DEBUG = True
else:
DEBUG = False
gettotalrefcount = getattr(sys, 'gettotalrefcount', None)
def wrap(method):
@wraps(method)
def wrapped(self, *args, **kwargs):
import gc
gc.disable()
gc.collect()
deltas = []
d = None
try:
for _ in xrange(4):
d = gettotalrefcount()
method(self, *args, **kwargs)
if hasattr(self, 'cleanup'):
self.cleanup()
if 'urlparse' in sys.modules:
sys.modules['urlparse'].clear_cache()
d = gettotalrefcount() - d
deltas.append(d)
if deltas[-1] == 0:
break
else:
raise AssertionError('refcount increased by %r' % (deltas, ))
finally:
gc.collect()
gc.enable()
return wrapped
class CheckRefcountMetaClass(type):
def __new__(meta, classname, bases, classDict):
if classDict.get('check_totalrefcount', True):
for key, value in classDict.items():
if (key.startswith('test_') or key == 'test') and callable(value):
classDict.pop(key)
classDict[key] = wrap(value)
return type.__new__(meta, classname, bases, classDict)
class TestCase0(BaseTestCase):
__timeout__ = 1
switch_expected = 'default'
_switch_count = None
def __init__(self, *args, **kwargs):
BaseTestCase.__init__(self, *args, **kwargs)
self._timer = None
self._hub = gevent.hub.get_hub()
self._switch_count = None
def run(self, *args, **kwargs):
if self.switch_expected == 'default':
self.switch_expected = get_switch_expected(self.fullname)
return BaseTestCase.run(self, *args, **kwargs)
def setUp(self):
gevent.sleep(0) # switch at least once to setup signal handlers
if hasattr(self._hub, 'switch_count'):
self._switch_count = self._hub.switch_count
self._timer = gevent.Timeout.start_new(self.__timeout__, RuntimeError('test is taking too long'))
def tearDown(self):
if hasattr(self, 'cleanup'):
self.cleanup()
try:
if not hasattr(self, 'stderr'):
self.unhook_stderr()
if hasattr(self, 'stderr'):
sys.__stderr__.write(self.stderr)
except:
traceback.print_exc()
if getattr(self, '_timer', None) is not None:
self._timer.cancel()
self._timer = None
if self._switch_count is not None and hasattr(self._hub, 'switch_count'):
msg = ''
if self._hub.switch_count < self._switch_count:
msg = 'hub.switch_count decreased?\n'
elif self._hub.switch_count == self._switch_count:
if self.switch_expected:
msg = '%s.%s did not switch\n' % (type(self).__name__, self.testname)
elif self._hub.switch_count > self._switch_count:
if not self.switch_expected:
msg = '%s.%s switched but expected not to\n' % (type(self).__name__, self.testname)
if msg:
print >> sys.stderr, 'WARNING: ' + msg
else:
sys.stderr.write('WARNING: %s.setUp does not call base class setUp\n' % (type(self).__name__, ))
@property
def testname(self):
return getattr(self, '_testMethodName', '') or getattr(self, '_TestCase__testMethodName')
@property
def testcasename(self):
return self.__class__.__name__ + '.' + self.testname
@property
def modulename(self):
test_method = getattr(self, self.testname)
try:
return test_method.__func__.func_code.co_filename
except AttributeError:
return test_method.im_func.func_code.co_filename
@property
def fullname(self):
return splitext(basename(self.modulename))[0] + '.' + self.testcasename
def hook_stderr(self):
if VERBOSE:
return
from cStringIO import StringIO
self.new_stderr = StringIO()
self.old_stderr = sys.stderr
sys.stderr = self.new_stderr
def unhook_stderr(self):
if VERBOSE:
return
try:
value = self.new_stderr.getvalue()
except AttributeError:
return None
sys.stderr = self.old_stderr
self.stderr = value
return value
def assert_no_stderr(self):
stderr = self.unhook_stderr()
assert not stderr, 'Expected no stderr, got:\n__________\n%s\n^^^^^^^^^^\n\n' % (stderr, )
def assert_stderr_traceback(self, typ, value=None):
if VERBOSE:
return
if isinstance(typ, Exception):
if value is None:
value = str(typ)
typ = typ.__class__.__name__
else:
typ = getattr(typ, '__name__', typ)
stderr = self.unhook_stderr()
assert stderr is not None, repr(stderr)
traceback_re = '^Traceback \\(most recent call last\\):\n( +.*?\n)+^(?P<type>\w+): (?P<value>.*?)$'
self.extract_re(traceback_re, type=typ, value=value)
def assert_stderr(self, message):
if VERBOSE:
return
exact_re = '^' + message + '.*?\n$.*'
if re.match(exact_re, self.stderr):
self.extract_re(exact_re)
else:
words_re = '^' + '.*?'.join(message.split()) + '.*?\n$'
if re.match(words_re, self.stderr):
self.extract_re(words_re)
else:
if message.endswith('...'):
another_re = '^' + '.*?'.join(message.split()) + '.*?(\n +.*?$){2,5}\n\n'
self.extract_re(another_re)
else:
raise AssertionError('%r did not match:\n%r' % (message, self.stderr))
def assert_mainloop_assertion(self, message=None):
self.assert_stderr_traceback('AssertionError', 'Cannot switch to MAINLOOP from MAINLOOP')
if message is not None:
self.assert_stderr(message)
def extract_re(self, regex, **kwargs):
assert self.stderr is not None
m = re.search(regex, self.stderr, re.DOTALL | re.M)
if m is None:
raise AssertionError('%r did not match:\n%r' % (regex, self.stderr))
for key, expected_value in kwargs.items():
real_value = m.group(key)
if expected_value is not None:
try:
self.assertEqual(real_value, expected_value)
except AssertionError:
print 'failed to process: %s' % self.stderr
raise
if DEBUG:
ate = '\n#ATE#: ' + self.stderr[m.start(0):m.end(0)].replace('\n', '\n#ATE#: ') + '\n'
sys.__stderr__.write(ate)
self.stderr = self.stderr[:m.start(0)] + self.stderr[m.end(0) + 1:]
class TestCase(TestCase0):
if gettotalrefcount is not None:
__metaclass__ = CheckRefcountMetaClass
main = unittest.main
_original_Hub = gevent.hub.Hub
class CountingHub(_original_Hub):
switch_count = 0
def switch(self):
self.switch_count += 1
return _original_Hub.switch(self)
gevent.hub.Hub = CountingHub
def test_outer_timeout_is_not_lost(self):
timeout = gevent.Timeout.start_new(0.001)
try:
try:
result = self.wait(timeout=1)
except gevent.Timeout, ex:
assert ex is timeout, (ex, timeout)
else:
raise AssertionError('must raise Timeout (returned %r)' % (result, ))
finally:
timeout.cancel()
class GenericWaitTestCase(TestCase):
def wait(self, timeout):
raise NotImplementedError('override me in subclass')
test_outer_timeout_is_not_lost = test_outer_timeout_is_not_lost
def test_returns_none_after_timeout(self):
start = time.time()
result = self.wait(timeout=0.01)
# join and wait simply returns after timeout expires
delay = time.time() - start
assert 0.01 - 0.001 <= delay < 0.01 + 0.01, delay
assert result is None, repr(result)
class GenericGetTestCase(TestCase):
def wait(self, timeout):
raise NotImplementedError('override me in subclass')
def cleanup(self):
pass
test_outer_timeout_is_not_lost = test_outer_timeout_is_not_lost
def test_raises_timeout_number(self):
start = time.time()
self.assertRaises(gevent.Timeout, self.wait, timeout=0.01)
# get raises Timeout after timeout expired
delay = time.time() - start
assert 0.01 - 0.001 <= delay < 0.01 + 0.01 + 0.1, delay
self.cleanup()
def test_raises_timeout_Timeout(self):
start = time.time()
timeout = gevent.Timeout(0.01)
try:
self.wait(timeout=timeout)
except gevent.Timeout, ex:
assert ex is timeout, (ex, timeout)
delay = time.time() - start
assert 0.01 - 0.001 <= delay < 0.01 + 0.01 + 0.1, delay
self.cleanup()
def test_raises_timeout_Timeout_exc_customized(self):
start = time.time()
error = RuntimeError('expected error')
timeout = gevent.Timeout(0.01, exception=error)
try:
self.wait(timeout=timeout)
except RuntimeError, ex:
assert ex is error, (ex, error)
delay = time.time() - start
assert 0.01 - 0.001 <= delay < 0.01 + 0.01 + 0.1, delay
self.cleanup()
class ExpectedException(Exception):
"""An exception whose traceback should be ignored"""
def walk_modules(basedir=None, modpath=None, include_so=False):
if basedir is None:
basedir = os.path.dirname(gevent.__file__)
if modpath is None:
modpath = 'gevent.'
else:
if modpath is None:
modpath = ''
for fn in sorted(os.listdir(basedir)):
path = os.path.join(basedir, fn)
if os.path.isdir(path):
pkg_init = os.path.join(path, '__init__.py')
if os.path.exists(pkg_init):
yield pkg_init, modpath + fn
for p, m in walk_modules(path, modpath + fn + "."):
yield p, m
continue
if fn.endswith('.py') and fn not in ['__init__.py', 'core.py']:
yield path, modpath + fn[:-3]
elif include_so and fn.endswith('.so'):
if fn.endswith('_d.so'):
yield path, modpath + fn[:-5]
else:
yield path, modpath + fn[:-3]
|