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_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_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)