def test_check_small():
board = Board()
king = King(BLACK, 0, 0)
rook = Rook(WHITE, 2, 2)
board._pieces = {king, rook}
assert not board.checked(BLACK)
board.move(rook, 2, 0)
assert board.checked(BLACK)
def test_copy():
board = Board()
king = King(BLACK, 0, 0)
rook = Rook(WHITE, 2, 2)
board._pieces = {king, rook}
clone = board.copy()
assert len(clone._pieces) == len(board._pieces)
for piece in clone._pieces:
assert piece not in board._pieces
def test_check_medium():
board = Board()
king = King(BLACK, 0, 0)
rook = Rook(WHITE, 2, 2)
pawn = Pawn(WHITE, 7, 3)
bishop = Bishop(WHITE, 1, 3)
enemy_king = King(WHITE, 6, 6)
board._pieces = {king, rook, pawn, bishop, enemy_king}
assert not board.checked(BLACK)
board.move(rook, 2, 0)
assert board.checked(BLACK)
assert not board.checked(WHITE)
def test_moves_tiny():
board = Board()
king = King(BLACK, 0, 0)
r = Rook(WHITE, 4, 0)
board._pieces = {king, r}
assert_equals(board.moves_open(BLACK), True)
