New submission from fumihiko kakuma:
It seems that stopall doesn't work when do start patch.dict to sys.modules.
I show sample scripts the following.
Using stopall test case seems to always refer the first mock foo object.
But using stop it refers a new mock foo object.
$ cat test_sampmod.py
import foo
def myfunc():
print "myfunc foo=%s" % foo
return foo
$ cat test_samp.py
import mock
import sys
import unittest
class SampTestCase(unittest.TestCase):
def setUp(self):
self.foo_mod = mock.Mock()
self.m = mock.patch.dict('sys.modules', {'foo': self.foo_mod})
self.p = self.m.start()
print "foo_mod=%s" % self.foo_mod
__import__('test_sampmod')
self.test_sampmod = sys.modules['test_sampmod']
def tearDown(self):
if len(sys.argv) > 1:
self.m.stop()
print ">>> stop patch"
else:
mock.patch.stopall()
print ">>> stopall patch"
def test_samp1(self):
self.assertEqual(self.foo_mod, self.test_sampmod.myfunc())
def test_samp2(self):
self.assertEqual(self.foo_mod, self.test_sampmod.myfunc())
def test_samp3(self):
self.assertEqual(self.foo_mod, self.test_sampmod.myfunc())
if __name__ == '__main__':
suite = unittest.TestSuite()
suite.addTest(unittest.TestLoader().loadTestsFromTestCase(SampTestCase))
unittest.TextTestRunner(verbosity=2).run(suite)
$ python test_samp.py stop
test_samp1 (__main__.SampTestCase) ... foo_mod=
myfunc foo=
>>> stop patch
ok
test_samp2 (__main__.SampTestCase) ... foo_mod=
myfunc foo=
>>> stop patch
ok
test_samp3 (__main__.SampTestCase) ... foo_mod=
myfunc foo=
>>> stop patch
ok
--
Ran 3 tests in 0.004s
OK
$ python test_samp.py
test_samp1 (__main__.SampTestCase) ... foo_mod=
myfunc foo=
>>> stopall patch
ok
test_samp2 (__main__.SampTestCase) ... foo_mod=
myfunc foo=
FAIL
>>> stopall patch
test_samp3 (__main__.SampTestCase) ... foo_mod=
myfunc foo=
FAIL
>>> stopall patch
==
FAIL: test_samp2 (__main__.SampTestCase)
--
Traceback (most recent call last):
File "test_samp.py", line 27, in test_samp2
self.assertEqual(self.foo_mod, self.test_sampmod.myfunc())
AssertionError: !=
==
FAIL: test_samp3 (__main__.SampTestCase)
--
Traceback (most recent call last):
File "test_samp.py", line 30, in test_samp3
self.assertEqual(self.foo_mod, self.test_sampmod.myfunc())
AssertionError: !=
--
Ran 3 tests in 0.003s
FAILED (failures=2)
$
--
components: Tests
messages: 219331
nosy: kakuma
priority: normal
severity: normal
status: open
title: mock.patch.stopall doesn't work with patch.dict to sys.modules
type: behavior
versions: Python 2.7
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<http://bugs.python.org/issue21600>
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