def test_test_component_inputs_failure(self):
"test_component_inputs should return false if an unmet input requirement exists"
the_input = Component()
the_input.state.set_flag('BAR')
requirement = lambda x: 'FOO' in x.state.flags
subject = Component()
self.assertIsInstance(the_input, Component)
subject.plug_out_from(the_input)
subject.register_component(the_input)
self.assertFalse(req.test_component_inputs(the_input, requirement))
def test_test_component_outputs_pass(self):
"""test_component_outputs should return True if
all output requirements are met"""
requirement = lambda component : 'IS_FOO' in component.state.flags
subject = Component()
the_output = Component()
the_output.state.set_flag('IS_FOO')
subject.register_component(the_output)
the_output.plug_out_from(subject)
self.assertEqual(len(subject.item_outputs()), 1)
self.assertEqual(req.test_component_outputs(subject, requirement), True)
