twisted.python.test.test_constants.

class documentation

class _ConstantsTestsMixin: (source)

Mixin defining test helpers common to multiple types of constants collections.

Method	`_initializedOnceTest`	Assert that `container._enumerants` does not change as a side-effect of one of its attributes being accessed.
Method	`_notInstantiableTest`	Assert that an attempt to instantiate the constants class raises `TypeError`.

def _initializedOnceTest(self, container, constantName): (source) ¶

Assert that container._enumerants does not change as a side-effect of one of its attributes being accessed.

Parameters
container	A `_ConstantsContainer` subclass which will be tested.
constantName	The name of one of the constants which is an attribute of `container`.

def _notInstantiableTest(self, name, cls): (source) ¶

Assert that an attempt to instantiate the constants class raises TypeError.

Parameters
name	A `str` giving the name of the constants collection.
cls	The constants class to test.

twisted.python.test.test_constants._ConstantsTestsMixin