def test_rover_multiple_commands_ending_position():
rover = Rover()
rover.commands('mf', 'mf', 'rr', 'mb', 'rr', 'mf', 'rl')
assert rover.x == -1
assert rover.y == 1
assert rover.orientation == 'e'
print(rover)
def test_accepts_commands():
""" example commands: mf, mb, rr, rl """
rover = Rover(0, 0)
rover.commands('mf')
assert rover.y == 1
rover.commands('mf', 'mb')
assert rover.y == 1
rover.commands('rr')
assert rover.orientation == 'e'
rover.commands('rr')
assert rover.orientation == 's'
rover.commands('rl')
assert rover.orientation == 'e'
class RoverTest(unittest.TestCase):
def setUp(self):
self.w = World()
self.r = Rover(world=self.w)
def test_mars_rover_starts_at_0_0(self):
self.assertEquals([0, 0], self.r.location)
def test_mars_rover_starts_facing_north(self):
self.assertEquals('n', self.r.direction)
def test_mars_rover_accepts_commands(self):
self.r.commands('rf')
def test_mars_rover_accepts_only_chars_array(self):
with self.assertRaises(TypeError):
self.r.command([0,1,2,3])
def test_that_moves_forward(self):
self.r.command('f')
self.assertEquals([0, 1], self.r.location)
def test_that_moves_fwd_fwd(self):
self.r.commands('ff')
self.assertEquals([0, 2], self.r.location)
def test_that_cmd_right_turns_east(self):
self.r.commands('r')
self.assertEquals('e', self.r.direction)
def test_that_cmd_rr_turns_south(self):
self.r.commands('rr')
self.assertEquals('s', self.r.direction)
def test_that_cmd_rrr_turns_west(self):
self.r.commands('rrr')
self.assertEquals('w', self.r.direction)
def test_that_cmd_5x_r_turns_east(self):
self.r.commands('rrrrr')
self.assertEquals('e', self.r.direction)
def test_that_cmd_l_turns_west(self):
self.r.commands('l')
self.assertEquals('w', self.r.direction)
def test_that_cmd_5x_l_turns_west(self):
self.r.commands('lllll')
self.assertEquals('w', self.r.direction)
def test_that_cmd_b_moves_backward(self):
self.r.commands('fb')
self.assertEquals([0, 0], self.r.location)
def test_that_moves_fwd_horizontally(self):
self.r.commands('rf')
self.assertEquals([1, 0], self.r.location)
def test_that_ffrff_moves_to_2_2(self):
self.r.commands('ffrff')
self.assertEquals([2, 2], self.r.location)
def test_that_edges_are_wrapped(self):
self.r.commands(['f' for i in range(self.w.size)])
self.assertEquals([0, 0], self.r.location)
def test_that_cant_move_over_obstacle(self):
self.w.put([1, 1], "tree")
with self.assertRaises(MoveError):
self.r.commands("frf")
self.assertEquals([0, 1], self.r.location)
