def test_if_rover_was_correctly_moved_east(Rover, Plateau):
plat = Plateau(5, 5)
rover = Rover(3, 3, 'E', plat)
rover.change_position('M')
assert rover.position_x == 4
rover.change_position('M')
assert rover.position_x == 5
def test_if_rover_was_correctly_moved_north(Rover, Plateau):
plat = Plateau(5, 5)
rover = Rover(1, 2, 'N', plat)
rover.change_position('M')
assert rover.position_y == 3
rover.change_position('M')
assert rover.position_y == 4
def test_if_rover_was_correctly_moved_south(Rover, Plateau):
plat = Plateau(5, 5)
rover = Rover(1, 3, 'S', plat)
rover.change_position('M')
assert rover.position_y == 2
rover.change_position('M')
assert rover.position_y == 1
def test_if_face_was_correctly_changed_to_left(Rover, Plateau):
plat = Plateau(5, 5)
rover = Rover(1, 2, 'N', plat)
rover.change_position('L')
assert rover.face_direction == 'W'
rover.change_position('L')
assert rover.face_direction == 'S'
def test_if_rover_was_correctly_moved_over_boundary(Rover, Plateau):
plat = Plateau(5, 5)
rover = Rover(1, 2, 'N', plat)
rover.change_position('M')
assert rover.position_y == 3
rover.change_position('M')
assert rover.position_y == 4
rover.change_position('M')
rover.change_position('M')
rover.change_position('M')
assert rover.position_y == 5
assert rover.position_x == 1
