def test_cell_can_move(direction):
b = Board(size=(10, 24))
c = Cell(position=(3, 4), color=(0, 0, 0))
old_position = c.position
c.move(b, direction)
assert c.position == (
old_position[0] + direction[0],
old_position[1] + direction[1],
)
def test_cell_can_not_move_if_exceed_limit(direction):
b = Board(size=(10, 24))
direction_x, direction_y = direction
if direction_x:
potential_values_of_x = {1: 9, -1: 0}
initial_position = (potential_values_of_x[direction_x], 0)
else:
potential_values_of_y = {1: 23, -1: 0}
initial_position = (0, potential_values_of_y[direction_y])
c = Cell(position=initial_position, color=(0, 0, 0))
with pytest.raises(CanNotMove):
c.move(b, direction)
assert c.position == initial_position
def test_cell_can_not_move_if_there_already_is_a_cell(direction):
b = Board(
size=(10, 24),
deactivated_cells=[Cell(position=(4, 4), color=(0, 0, 0))],
)
direction_x, direction_y = direction
potential_values = {1: 3, -1: 5, 0: 4}
initial_position = (
potential_values[direction_x],
potential_values[direction_y],
)
c = Cell(position=initial_position, color=(0, 0, 0))
with pytest.raises(CanNotMove):
c.move(b, direction)
assert c.position == initial_position