def test_dontCallInstanceMethodsThatArentReady(self):
"""
L{crefutil._InstanceMethod} raises L{AssertionError} to indicate it
should not be called. This should not be possible with any of its API
clients, but is provided for helping to debug.
"""
self.assertRaises(AssertionError,
crefutil._InstanceMethod(
"no_name", crefutil.NotKnown(), type))
def test_dontPutCircularReferencesInDictionaryKeys(self):
"""
If a dictionary key contains a circular reference (which is probably a
bad practice anyway) it will be resolved by a
L{crefutil._DictKeyAndValue}, not by placing a L{crefutil.NotKnown}
into a dictionary key.
"""
self.assertRaises(AssertionError,
dict().__setitem__, crefutil.NotKnown(), "value")