Staging
v0.5.1
v0.5.1
https://github.com/python/cpython
Tip revision: 1da43e5e916949c8e849e656d9d05fa4b9d6836c authored by Benjamin Peterson on 26 June 2009, 13:21:52 UTC
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
Tip revision: 1da43e5
test_copyreg.py
import copyreg
import unittest
from test import support
from test.pickletester import ExtensionSaver
class C:
pass
class WithoutSlots(object):
pass
class WithWeakref(object):
__slots__ = ('__weakref__',)
class WithPrivate(object):
__slots__ = ('__spam',)
class WithSingleString(object):
__slots__ = 'spam'
class WithInherited(WithSingleString):
__slots__ = ('eggs',)
class CopyRegTestCase(unittest.TestCase):
def test_class(self):
self.assertRaises(TypeError, copyreg.pickle,
C, None, None)
def test_noncallable_reduce(self):
self.assertRaises(TypeError, copyreg.pickle,
type(1), "not a callable")
def test_noncallable_constructor(self):
self.assertRaises(TypeError, copyreg.pickle,
type(1), int, "not a callable")
def test_bool(self):
import copy
self.assertEquals(True, copy.copy(True))
def test_extension_registry(self):
mod, func, code = 'junk1 ', ' junk2', 0xabcd
e = ExtensionSaver(code)
try:
# Shouldn't be in registry now.
self.assertRaises(ValueError, copyreg.remove_extension,
mod, func, code)
copyreg.add_extension(mod, func, code)
# Should be in the registry.
self.assert_(copyreg._extension_registry[mod, func] == code)
self.assert_(copyreg._inverted_registry[code] == (mod, func))
# Shouldn't be in the cache.
self.assert_(code not in copyreg._extension_cache)
# Redundant registration should be OK.
copyreg.add_extension(mod, func, code) # shouldn't blow up
# Conflicting code.
self.assertRaises(ValueError, copyreg.add_extension,
mod, func, code + 1)
self.assertRaises(ValueError, copyreg.remove_extension,
mod, func, code + 1)
# Conflicting module name.
self.assertRaises(ValueError, copyreg.add_extension,
mod[1:], func, code )
self.assertRaises(ValueError, copyreg.remove_extension,
mod[1:], func, code )
# Conflicting function name.
self.assertRaises(ValueError, copyreg.add_extension,
mod, func[1:], code)
self.assertRaises(ValueError, copyreg.remove_extension,
mod, func[1:], code)
# Can't remove one that isn't registered at all.
if code + 1 not in copyreg._inverted_registry:
self.assertRaises(ValueError, copyreg.remove_extension,
mod[1:], func[1:], code + 1)
finally:
e.restore()
# Shouldn't be there anymore.
self.assert_((mod, func) not in copyreg._extension_registry)
# The code *may* be in copyreg._extension_registry, though, if
# we happened to pick on a registered code. So don't check for
# that.
# Check valid codes at the limits.
for code in 1, 0x7fffffff:
e = ExtensionSaver(code)
try:
copyreg.add_extension(mod, func, code)
copyreg.remove_extension(mod, func, code)
finally:
e.restore()
# Ensure invalid codes blow up.
for code in -1, 0, 0x80000000:
self.assertRaises(ValueError, copyreg.add_extension,
mod, func, code)
def test_slotnames(self):
self.assertEquals(copyreg._slotnames(WithoutSlots), [])
self.assertEquals(copyreg._slotnames(WithWeakref), [])
expected = ['_WithPrivate__spam']
self.assertEquals(copyreg._slotnames(WithPrivate), expected)
self.assertEquals(copyreg._slotnames(WithSingleString), ['spam'])
expected = ['eggs', 'spam']
expected.sort()
result = copyreg._slotnames(WithInherited)
result.sort()
self.assertEquals(result, expected)
def test_main():
support.run_unittest(CopyRegTestCase)
if __name__ == "__main__":
test_main()