def test_do_something_simple_with_system_returns_None_for_system_instance(
self):
alist = [Object('one'), Object('two'), Object('three')]
composite = Composite(alist)
self.assertEqual(None,
do_something_simple_with_system(System(composite)))
def test_do_that_and_do_this_after_creation_with_composite_instance(self):
alist = [Object('one'), Object('two'), Object('three')]
composite = Composite(alist)
system = System(composite)
self.assertEqual(None, system.do_this())
self.assertEqual(None, system.do_that())
def test_that_and_this_after_creation_with_list(self):
alist = [Object('one'), Object('two'), Object('three')]
composite = Composite(alist)
self.assertEqual(None, composite.this())
self.assertEqual(None, composite.that())
def test_just_do_it_returns_None_after_creation_with_system_instance(self):
alist = [Object('one'), Object('two'), Object('three')]
composite = Composite(alist)
system = System(composite)
facade = Facade(system)
self.assertEqual(None, facade.just_do_it())