def test_order_filled(self):
# setup data
inventory = self.mocker.mock()
order = Order("item #1", 50)
# setup behaviour
inventory.has_inventory("item #1", 50)
self.mocker.result(True)
inventory.remove("item #1", 50)
self.mocker.replay()
order.fill(inventory)
# verify
self.mocker.verify()
self.assertTrue(order.filled())
