def test_shift_returns_pushed_out_card():
""" Test shift """
card_factory = MazeCardFactory()
maze = create_random_maze(card_factory)
opposite = maze[BoardLocation(0, 3)]
pushed_out = maze.shift(BoardLocation(maze.maze_size - 1, 3), card_factory.create_random_maze_card())
assert opposite == pushed_out
def test_clear_pieces_after_creations_empties_pieces():
""" Tests clear_pieces. """
board = Board(create_random_maze())
for _ in range(8):
board.create_piece()
assert len(board.pieces) == 8
board.clear_pieces()
assert not board.pieces
def test_shift_inserts_leftover():
""" Tests shift """
card_factory = MazeCardFactory()
maze = create_random_maze(card_factory)
insertion = card_factory.create_random_maze_card()
maze.shift(BoardLocation(0, 1), insertion)
assert maze[BoardLocation(0, 1)] == insertion
def test_setter_does_not_alter_other_state():
""" Tests setter and getter """
card_factory = MazeCardFactory()
maze = create_random_maze(card_factory)
old_id_matrix = _get_id_matrix(maze)
maze[BoardLocation(3, 3)] = card_factory.create_random_maze_card()
new_id_matrix = _get_id_matrix(maze)
difference = _compare_id_matrices(old_id_matrix, new_id_matrix)
assert len(difference) == 1
assert difference[0] == (3, 3)
def test_shift_does_not_alter_rest_of_maze():
""" Test shift """
card_factory = MazeCardFactory()
maze = create_random_maze(card_factory)
old_id_matrix = _get_id_matrix(maze)
maze.shift(BoardLocation(5, 0), card_factory.create_random_maze_card())
new_id_matrix = _get_id_matrix(maze)
differences = _compare_id_matrices(old_id_matrix, new_id_matrix)
assert len(differences) == maze.maze_size
for difference in differences:
assert difference[0] == 5
def test_shift_alters_entire_row_correctly():
""" Test shift """
card_factory = MazeCardFactory()
maze = create_random_maze(card_factory)
old_id_matrix = _get_id_matrix(maze)
insertion = card_factory.create_random_maze_card()
maze.shift(BoardLocation(5, maze.maze_size - 1), insertion)
new_id_matrix = _get_id_matrix(maze)
assert new_id_matrix[5][maze.maze_size - 1] == insertion.identifier
for col in range(maze.maze_size - 1):
assert new_id_matrix[5][col] == old_id_matrix[5][col + 1]
def test_create_piece_sets_all_pieces_on_corners():
""" Tests create_piece """
board = Board(create_random_maze())
def is_corner(location):
return (location.row in [
0, board.maze.maze_size - 1
]) and (location.column in [0, board.maze.maze_size - 1])
for _ in range(8):
piece = board.create_piece()
piece_location = board.maze.maze_card_location(piece.maze_card)
assert is_corner(piece_location)
def test_after_series_of_creates_and_removes_no_corners_empty():
""" Tests create_piece. Adds three pieces, removes two, adds three,
and checks that all pieces are on a different corner """
board = Board(create_random_maze())
piece1 = board.create_piece()
piece2 = board.create_piece()
board.create_piece()
board.remove_piece(piece1)
board.remove_piece(piece2)
board.create_piece()
board.create_piece()
board.create_piece()
assert len(board.pieces) == 4
piece_cards = {piece.maze_card for piece in board.pieces}
assert len(piece_cards) == 4
def test_create_piece_assigns_pieces_consecutive_unique_indices():
""" Tests create_piece. Adds four pieces, removes first two, adds one, removes third, adds two,
and checks that all pieces have consecutive unique index """
board = Board(create_random_maze())
pieces = [
board.create_piece(),
board.create_piece(),
board.create_piece(),
board.create_piece()
]
board.remove_piece(pieces[0])
board.remove_piece(pieces[1])
pieces[0] = board.create_piece()
board.remove_piece(pieces[3])
pieces[1] = board.create_piece()
pieces[3] = board.create_piece()
assert set([0, 1, 2,
3]) == set(map(lambda piece: piece.piece_index, pieces))
def test_remove_piece_after_create_piece():
""" Tests remove_piece """
board = Board(create_random_maze())
piece = board.create_piece()
board.remove_piece(piece)
assert not board.pieces
def test_maze_card_location_returns_correct_location_for_all_cards():
""" Test maze_card_location """
maze = create_random_maze()
for location in maze.maze_locations:
assert maze.maze_card_location(maze[location]) == location
