def test_board_should_yield_starting_positions():
# given
description = [['u']]
Position(0, 0)
# when
board = Board(description)
# then
assert next(board.starting_positions()) == Position(0, 0)
def positions_on_board():
Position.max_x = 3
Position.max_y = 3
return [
Position(2, 2),
Position(0, 0),
Position(0, 3),
Position(3, 0),
Position(3, 3)
]
def positions_not_on_board():
Position.max_x = 3
Position.max_y = 3
return [
Position(4, 3),
Position(3, 4),
Position(4, 4),
Position(-1, 4),
Position(2, -1)
]
def test_board_gets_direction_for_position():
# given
description = [['u']]
position = Position(0, 0)
# when
board = Board(description)
# then
assert board[position] == Direction.from_symbol('u')
def test_board_should_clear_visited_directions():
# given
description = [['u']]
position = Position(0, 0)
# when
board = Board(description)
board[position].is_visited = True
board.clear_visited_directions()
# then
assert board[position].is_visited is False
def positions_should_increment_when_direction_added():
position = Position(0, 0)
position += Direction(1, 0)
assert position == Position(1, 0)
def positions_should_be_equal_when_the_same_coordinates():
assert Position(0, 0) == Position(0, 0)
def start_pos():
return Position(0, 0)