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import unittest
def skipIfNoSecurity(testfunc):
try:
import zope.security
except ImportError: # pragma: no cover
return unittest.skip("zope.security not installed")(testfunc)
return testfunc
def fails_if_called(test, msg="This function must not be called.",
arguments=True):
"""
Return a new function (accepting any arguments)
that will call test.fail(msg) if it is called.
:keyword bool arguments: If set to ``False``, then we will
not accept any arguments. This can avoid
masking when we would expect a TypeError to be raised by
calling an instance method against a class.
"""
if not arguments:
return lambda: test.fail(msg)
return lambda *_args, **__kwargs: test.fail(msg)
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