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Merged revisions 71465 via svnmerge from

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svn+ssh://pythondev@svn.python.org/python/trunk

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  r71465 | nick.coghlan | 2009-04-11 23:31:31 +1000 (Sat, 11 Apr 2009) | 1 line

  Issue 5354: Provide a standardised testing mechanism for doing fresh imports of modules, including the ability to block extension modules in order to test the pure Python fallbacks
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This commit is contained in:
Nick Coghlan 2009-04-11 14:30:59 +00:00
parent 2d87e42921
commit fce769e73d
4 changed files with 105 additions and 34 deletions
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30
Lib/test/test_warnings.py
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@ -10,18 +10,14 @@ from test import warning_tests
import warnings as original_warnings
sys.modules['_warnings'] = 0
del sys.modules['warnings']
import warnings as py_warnings
py_warnings = support.import_fresh_module('warnings', ['_warnings'])
# XXX (ncoghlan 20090412):
# Something in Py3k doesn't like sharing the same instance of
# _warnings between original_warnings and c_warnings
# Will leave issue 5354 open until I understand why 3.x breaks
# without the next line, while 2.x doesn't care
del sys.modules['_warnings']
del sys.modules['warnings']
import warnings as c_warnings
sys.modules['warnings'] = original_warnings
c_warnings = support.import_fresh_module('warnings')
@contextmanager
def warnings_state(module):
@ -351,9 +347,21 @@ class WarnTests(unittest.TestCase):
class CWarnTests(BaseTest, WarnTests):
module = c_warnings
# As an early adopter, we sanity check the
# test.support.import_fresh_module utility function
def test_accelerated(self):
self.assertFalse(original_warnings is self.module)
self.assertFalse(hasattr(self.module.warn, '__code__'))
class PyWarnTests(BaseTest, WarnTests):
module = py_warnings
# As an early adopter, we sanity check the
# test.support.import_fresh_module utility function
def test_pure_python(self):
self.assertFalse(original_warnings is self.module)
self.assertTrue(hasattr(self.module.warn, '__code__'))
class WCmdLineTests(unittest.TestCase):