/usr/share/pyshared/zope/interface/tests/test_verify.py is in python-zope.interface 3.6.1-1ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Interface Verify tests
$Id: test_verify.py 110536 2010-04-06 02:59:44Z tseaver $
"""
import doctest
import unittest
from zope.interface import Interface, implements, classImplements, Attribute
from zope.interface.verify import verifyClass, verifyObject
from zope.interface.exceptions import DoesNotImplement, BrokenImplementation
from zope.interface.exceptions import BrokenMethodImplementation
class Test(unittest.TestCase):
def testNotImplemented(self):
class C(object): pass
class I(Interface): pass
self.assertRaises(DoesNotImplement, verifyClass, I, C)
classImplements(C, I)
verifyClass(I, C)
def testMissingAttr(self):
class I(Interface):
def f(): pass
class C(object):
implements(I)
self.assertRaises(BrokenImplementation, verifyClass, I, C)
C.f=lambda self: None
verifyClass(I, C)
def testMissingAttr_with_Extended_Interface(self):
class II(Interface):
def f():
pass
class I(II):
pass
class C(object):
implements(I)
self.assertRaises(BrokenImplementation, verifyClass, I, C)
C.f=lambda self: None
verifyClass(I, C)
def testWrongArgs(self):
class I(Interface):
def f(a): pass
class C(object):
def f(self, b): pass
implements(I)
# We no longer require names to match.
#self.assertRaises(BrokenMethodImplementation, verifyClass, I, C)
C.f=lambda self, a: None
verifyClass(I, C)
C.f=lambda self, **kw: None
self.assertRaises(BrokenMethodImplementation, verifyClass, I, C)
C.f=lambda self, a, *args: None
verifyClass(I, C)
C.f=lambda self, a, *args, **kw: None
verifyClass(I, C)
C.f=lambda self, *args: None
verifyClass(I, C)
def testExtraArgs(self):
class I(Interface):
def f(a): pass
class C(object):
def f(self, a, b): pass
implements(I)
self.assertRaises(BrokenMethodImplementation, verifyClass, I, C)
C.f=lambda self, a: None
verifyClass(I, C)
C.f=lambda self, a, b=None: None
verifyClass(I, C)
def testNoVar(self):
class I(Interface):
def f(a, *args): pass
class C(object):
def f(self, a): pass
implements(I)
self.assertRaises(BrokenMethodImplementation, verifyClass, I, C)
C.f=lambda self, a, *foo: None
verifyClass(I, C)
def testNoKW(self):
class I(Interface):
def f(a, **args): pass
class C(object):
def f(self, a): pass
implements(I)
self.assertRaises(BrokenMethodImplementation, verifyClass, I, C)
C.f=lambda self, a, **foo: None
verifyClass(I, C)
def testModule(self):
from zope.interface.tests.ifoo import IFoo
from zope.interface.tests import dummy
verifyObject(IFoo, dummy)
def testMethodForAttr(self):
class IFoo(Interface):
foo = Attribute("The foo Attribute")
class Foo:
implements(IFoo)
def foo(self):
pass
verifyClass(IFoo, Foo)
def testNonMethodForMethod(self):
class IBar(Interface):
def foo():
pass
class Bar:
implements(IBar)
foo = 1
self.assertRaises(BrokenMethodImplementation, verifyClass, IBar, Bar)
def test_suite():
loader=unittest.TestLoader()
return unittest.TestSuite((
doctest.DocFileSuite(
'../verify.txt',
optionflags=doctest.NORMALIZE_WHITESPACE),
loader.loadTestsFromTestCase(Test),
))
if __name__=='__main__':
unittest.TextTestRunner().run(test_suite())
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