def test_unload_cargo_decreases_load_of_slot_if_tray_can_hold_the_resource_and_all_available_cargo_up_to_the_requested_quantity(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 3) tray.get_slot(Fish)['load'] = 3 load = tray.unload_cargo(Fish, 7) self.assertEqual(tray.current_load(Fish), 0) self.assertEqual(load, 3)
def test_add_resource_slot_creates_a_new_slot_for_a_specified_resource(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 10) self.assertIn(Fish.name, tray.cargo_slots.keys()) self.assertEqual(tray.cargo_slots[Fish.name]['capacity'], 10) self.assertEqual(tray.cargo_slots[Fish.name]['load'], 0) self.assertIs(tray.cargo_slots[Fish.name]['type'], Fish)
def test_load_cargo_returns_entire_load_if_slot_is_already_at_capacity(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 3) tray.get_slot(Fish)['load'] = 3 remains = tray.load_cargo(Fish, 7) self.assertEqual(tray.current_load(Fish), 3) self.assertEqual(remains, 7)
def test_digest_does_nothing_if_the_cargo_container_cannot_unload_requirements_or_load_products(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 10) tray.add_resource_slot(Wood, 10) tray.add_resource_slot(Cabbage, 10) tray.load_cargo(Fish, 3) tray.load_cargo(Wood, 5) tray.load_cargo(Cabbage, 4) plant1 = ResourcePlant() plant1.add_resource_requirement(Fish, 4) plant1.add_resource_requirement(Wood, 2) plant1.add_resource_product(Cabbage, 6) plant1.digest(tray) self.assertEqual(tray.cargo_slots[Fish.name]['load'], 3) self.assertEqual(tray.cargo_slots[Wood.name]['load'], 5) self.assertEqual(tray.cargo_slots[Cabbage.name]['load'], 4) plant2 = ResourcePlant() plant2.add_resource_requirement(Fish, 3) plant2.add_resource_requirement(Wood, 2) plant2.add_resource_product(Cabbage, 7) plant2.digest(tray) self.assertEqual(tray.cargo_slots[Fish.name]['load'], 3) self.assertEqual(tray.cargo_slots[Wood.name]['load'], 5) self.assertEqual(tray.cargo_slots[Cabbage.name]['load'], 4)
def test_add_resource_slot_raises_error_if_there_is_already_a_slot_for_that_resource_type(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 10) with self.assertRaises(CargoContainerException) as error_context: tray.add_resource_slot(Fish, 12) self.assertIn( "An input slot of that resource type has already been added", error_context.exception.message, )
def test_can_produce_returns_true_if_the_supplied_container_has_the_necessary_capacity_for_the_products(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 10) tray.add_resource_slot(Wood, 10) tray.load_cargo(Fish, 3) tray.load_cargo(Wood, 5) plant = ResourcePlant() plant.add_resource_product(Fish, 2) plant.add_resource_product(Wood, 5) self.assertTrue(plant.can_produce(tray))
def test_can_consume_returns_true_if_the_supplied_container_holds_all_the_needed_requirements(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 10) tray.add_resource_slot(Wood, 10) tray.load_cargo(Fish, 3) tray.load_cargo(Wood, 5) dummy = DummyProducerConsumer() dummy.add_resource_requirement(Fish, 2) dummy.add_resource_requirement(Wood, 5) self.assertTrue(dummy.can_consume(tray))
def test_can_produce_returns_false_if_the_supplied_container_lacks_the_necessary_capacity_for_the_products(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 10) tray.add_resource_slot(Wood, 10) tray.load_cargo(Fish, 3) tray.load_cargo(Wood, 5) plant1 = ResourcePlant() plant1.add_resource_product(Fish, 2) plant1.add_resource_product(Wood, 6) self.assertFalse(plant1.can_produce(tray)) plant2 = ResourcePlant() plant2.add_resource_product(Fish, 2) plant2.add_resource_product(Wood, 5) plant2.add_resource_product(Cabbage, 1) self.assertFalse(plant2.can_produce(tray))
def test_can_consume_returns_false_if_the_supplied_container_lacks_all_the_needed_requirements(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 10) tray.add_resource_slot(Wood, 10) tray.load_cargo(Fish, 3) tray.load_cargo(Wood, 5) dummy1 = DummyProducerConsumer() dummy1.add_resource_requirement(Fish, 4) dummy1.add_resource_requirement(Wood, 5) self.assertFalse(dummy1.can_consume(tray)) dummy2 = DummyProducerConsumer() dummy2.add_resource_requirement(Fish, 2) dummy2.add_resource_requirement(Wood, 5) dummy2.add_resource_requirement(Cabbage, 1) self.assertFalse(dummy2.can_consume(tray))
def test_digest_consumes_required_resources_and_produces_a_new_instance_of_the_product_of_the_factory(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 10) tray.add_resource_slot(Wood, 10) tray.add_resource_slot(Cabbage, 10) tray.load_cargo(Fish, 3) tray.load_cargo(Wood, 5) tray.load_cargo(Cabbage, 4) factory = Factory() factory.add_resource_requirement(Fish, 3) factory.add_resource_requirement(Wood, 2) factory.set_product(Cabbage) result = factory.digest(tray) self.assertEqual(tray.cargo_slots[Fish.name]['load'], 0) self.assertEqual(tray.cargo_slots[Wood.name]['load'], 3) self.assertIsInstance(result, Cabbage)
def test_digest_consumes_required_resources_and_produces_resource_products(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 10) tray.add_resource_slot(Wood, 10) tray.add_resource_slot(Cabbage, 10) tray.load_cargo(Fish, 3) tray.load_cargo(Wood, 5) tray.load_cargo(Cabbage, 4) plant = ResourcePlant() plant.add_resource_requirement(Fish, 3) plant.add_resource_requirement(Wood, 2) plant.add_resource_product(Cabbage, 6) plant.digest(tray) self.assertEqual(tray.cargo_slots[Fish.name]['load'], 0) self.assertEqual(tray.cargo_slots[Wood.name]['load'], 3) self.assertEqual(tray.cargo_slots[Cabbage.name]['load'], 10)
def test_unload_cargo_returns_nothing_if_slot_is_empty(self): tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 3) load = tray.unload_cargo(Fish, 7) self.assertEqual(tray.current_load(Fish), 0) self.assertEqual(load, 0)
def test_load_cargo_increases_load_of_slot_if_tray_can_hold_the_resource_and_returns_excess_that_could_not_be_loaded(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 3) remains = tray.load_cargo(Fish, 7) self.assertEqual(tray.current_load(Fish), 3) self.assertEqual(remains, 4)
def test_load_cargo_increases_load_of_slot_if_tray_can_hold_the_resource(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 1) remains = tray.load_cargo(Fish, 1) self.assertEqual(tray.current_load(Fish), 1) self.assertEqual(remains, 0)
def test_can_hold_cargo_returns_true_if_slot_is_available(self): tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 1) self.assertTrue(tray.can_hold_cargo(Fish))
