def test_move_simple():
"""Test moving a car to another location."""
manager = SuperDuperManager()
manager.add_car('car1', 2)
manager.add_car('car2', 10)
manager.add_car('car3', 20)
manager.move_car('car2', 2, 3)
assert manager.get_car_position('car2') == (2, 3)
assert manager.get_car_fuel('car2') == 5
def setUp(self):
"""This is a special method that's called at the beginning of each test.
It is used to create a SuperDuperManager object with three cars;
these will be the cars used in subsequent tests.
"""
self.manager = SuperDuperManager()
self.manager.add_car('car1', 2)
self.manager.add_car('car2', 10)
self.manager.add_car('car3', 20)
def test_move_not_enough():
"""Test moving a car that doesn't have enough fuel."""
manager = SuperDuperManager()
manager.add_car('car1', 2)
manager.add_car('car2', 10)
manager.add_car('car3', 20)
manager.move_car('car2', 2, 3)
manager.move_car('car1', 3, 5)
assert manager.get_car_position('car1') == (0, 0)
assert manager.get_car_fuel('car1') == 2
def test_car_has_initial_position_set(self, id_, fuel):
manager = SuperDuperManager()
manager.add_car(id_, fuel)
self.assertEqual((0, 0), manager.get_car_position(id_))
def test_car_has_initial_fuel_set(self, id_, fuel):
"""Check that a car's initial fuel is set properly.
"""
manager = SuperDuperManager()
manager.add_car(id_, fuel) # Create new car
self.assertEqual(fuel, manager.get_car_fuel(id_)) # Check new car fuel
def test_add_car_returns_none(self, id_, fuel):
"""Check that add_car always returns None."""
manager = SuperDuperManager()
return_value = manager.add_car(id_, fuel)
self.assertIsNone(return_value)
class TestCar(unittest.TestCase):
"""Sample unit tests for Exercise 1."""
def setUp(self):
"""This is a special method that's called at the beginning of each test.
It is used to create a SuperDuperManager object with three cars;
these will be the cars used in subsequent tests.
"""
self.manager = SuperDuperManager()
self.manager.add_car('car1', 2)
self.manager.add_car('car2', 10)
self.manager.add_car('car3', 20)
def test_move_simple(self):
self.manager.move_car('car2', 2, 3)
pos = self.manager.get_car_position('car2')
self.assertEqual(pos, (2, 3))
self.assertEqual(self.manager.get_car_fuel('car2'), 5)
def test_move_not_enough(self):
self.manager.move_car('car1', 3, 5)
pos = self.manager.get_car_position('car1')
self.assertEqual(pos, (0, 0))
self.assertEqual(self.manager.get_car_fuel('car1'), 2)
def test_move_negative(self):
self.manager.move_car('car3', -2, -3)
pos = self.manager.get_car_position('car3')
self.assertEqual(pos, (-2, -3))
self.assertEqual(self.manager.get_car_fuel('car3'), 15)
def test_car_initial_position(id_, fuel):
manager = SuperDuperManager()
manager.add_car(id_, fuel)
assert (0, 0) == manager.get_car_position(id_)
def test_car_initial_fuel(id_, fuel):
"""Check that a car's initial fuel is set properly.
"""
manager = SuperDuperManager()
manager.add_car(id_, fuel)
assert fuel == manager.get_car_fuel(id_)
def test_add_car_returns_none(id_, fuel):
"""Check that add_car always returns None."""
manager = SuperDuperManager()
assert manager.add_car(id_, fuel) is None
def test_move_negative():
"""Test moving a car to a position with negative coordinates."""
manager = SuperDuperManager()
manager.add_car('car1', 2)
manager.add_car('car2', 10)
manager.add_car('car3', 20)
manager.move_car('car2', 2, 3)
manager.move_car('car3', -2, -3)
assert manager.get_car_position('car3') == (-2, -3)
assert manager.get_car_fuel('car3') == 15
def test_dispatch():
"""Test moving a car that doesn't have enough fuel."""
manager = SuperDuperManager()
manager.add_car('car1', 30)
manager.add_car('car2', 30)
manager.add_car('car3', 20)
manager.move_car('car2', 6, 2)
manager.move_car('car1', 3, 5)
manager.dispatch(6, 6)
assert manager.get_car_position('car1') == (6, 6)