def test_it_stops_before_reaching_distant_obstacle(self):
marsrover = MarsRover(rocks=[(0, 2)])
try:
marsrover.execute('f')
marsrover.execute('f')
except ReachedObstacleError:
pass
self.assertEqual(marsrover.position, (0, 1))
def test_it_starts_at_0_0(self):
marsrover = MarsRover()
self.assertEquals(marsrover.position, (0, 0))
def test_it_rotate_to_west_when_order_is_l_and_orientation_is_n(self):
marsrover = MarsRover(orientation='N')
marsrover.execute('l')
self.assertEqual(marsrover.orientation, 'W')
def test_rover_can_move_around_obstacle():
grid = Grid(10, 10, Position(0, 4))
curiosity = MarsRover(grid)
curiosity.execute("MMMMMMRMLMMLMRM")
assert curiosity.get_location() == "0:6:N"
def test_it_returns_to_100_when_x_limit_is_crossed(self):
marsrover = MarsRover(x=0, orientation='E', orders=['b'])
self.assertEqual(marsrover.position, (100, 0))
def test_it_works_when_lot_of_orders_given(self):
marsrover = MarsRover(orders=[
'f', 'f', 'r', 'f', 'f', 'l', 'b', 'b'
])
self.assertEqual(marsrover.position, (2, 0))
def test_it_calls_check_order_parameter(self):
patched_check = self.patch('check_order_parameter')
MarsRover()
self.assertTrue(patched_check.called)
def test_it_takes_starting_orientation(self):
marsrover = MarsRover(orientation='S')
self.assertEquals(marsrover.orientation, 'S')
def test_it_moves_back_when_order_is_b(self):
marsrover = MarsRover(y=1)
marsrover.execute('b')
self.assertEquals(marsrover.position, (0, 0))
def test_it_moves_front_when_order_is_f(self):
marsrover = MarsRover()
marsrover.execute('f')
self.assertEquals(marsrover.position, (0, 1))
def test_raises_exception_when_reaching_obstacle_and_limit_west(self):
with self.assertRaises(ReachedObstacleError):
MarsRover(orientation='W', orders=['f'], rocks=[(100, 0)])
def test_it_raises_exception_when_reaching_obstacle_and_limit_north(self):
with self.assertRaises(ReachedObstacleError):
MarsRover(y=100, orders=['f'], rocks=[(0, 0)])
def curiosity():
return MarsRover(Grid(10, 10))
def test_rover_can_wrap_around_different_sized_grids():
grid = Grid(5, 8)
curiosity = MarsRover(grid)
curiosity.execute("LMLM")
assert curiosity.get_location() == "4:7:S"
def test_it_takes_starting_position(self):
marsrover = MarsRover(3, 2)
self.assertEquals(marsrover.position, (3, 2))
def test_it_turns_right_when_order_is_r(self):
marsrover = MarsRover()
marsrover.execute('r')
self.assertEquals(marsrover.orientation, 'E')
def test_it_starts_facing_north(self):
marsrover = MarsRover()
self.assertEquals(marsrover.orientation, 'N')
def test_it_turns_left_when_order_is_l(self):
marsrover = MarsRover()
marsrover.execute('l')
self.assertEquals(marsrover.orientation, 'W')
def test_it_calls_check_position_parameters(self):
patched_check = self.patch('check_position_parameters')
MarsRover()
self.assertTrue(patched_check.called)
def test_it_moves_front_when_order_is_f_and_orientation_is_w(self):
marsrover = MarsRover(orientation='W', x=1)
marsrover.execute('f')
self.assertEquals(marsrover.position, (0, 0))
def test_it_calls_execute_with_orders(self):
execute = self.patch('MarsRover.execute')
MarsRover(orders=['f'])
execute.assert_called_with('f')
def test_it_moves_back_when_order_is_b_and_orientation_is_e(self):
marsrover = MarsRover(orientation='E', x=1)
marsrover.execute('b')
self.assertEquals(marsrover.position, (0, 0))
def test_it_returns_to_100_when_y_limit_is_crossed(self):
marsrover = MarsRover(y=0, orders=['b'])
self.assertEqual(marsrover.position, (0, 100))
def test_it_rotate_to_north_when_order_is_r_and_orientation_is_w(self):
marsrover = MarsRover(orientation='W')
marsrover.execute('r')
self.assertEqual(marsrover.orientation, 'N')
def test_it_raises_exception_when_reaching_obstacle(self):
with self.assertRaises(ReachedObstacleError):
MarsRover(orders=['f'], rocks=[(0, 1)])
def test_rover_cannot_move_through_obstacle():
grid = Grid(10, 10, Position(0, 4))
curiosity = MarsRover(grid)
curiosity.execute("MMMMMM")
assert curiosity.get_location() == "O:0:3:N"
