def test_illegal_capture_raises_exception():
game = Draughts({
'00': Counter(Color.WHITE),
})
game.playing_color = Color.WHITE
with pytest.raises(IllegalMoveError, match=game.ILLEGAL_CAPTURE):
game.move(Coords(x=0, y=0), Coords(x=2, y=2))
def test_draughts_piece_can_move():
game = Draughts()
game.playing_color = Color.WHITE
assert game.board[5][3] is None
game.move(Coords(x=4, y=2), Coords(x=5, y=3))
assert game.board[4][2] is None
assert game.board[5][3] == Counter(Color.WHITE)
def test_draughts_piece_can_capture():
game = Draughts({
'00': Counter(Color.WHITE),
'11': Counter(Color.BLACK),
})
game.playing_color = Color.WHITE
game.move(Coords(x=0, y=0), Coords(x=2, y=2))
assert game.board[1][1] is None
assert game.board[2][2] == Counter(Color.WHITE)
def test_crowned_white_piece_can_capture_backwards():
game = Draughts({
'22': Counter(Color.WHITE),
'11': Counter(Color.BLACK),
})
game.playing_color = Color.WHITE
game.board[2][2].crowned = True
game.move(Coords(x=2, y=2), Coords(x=0, y=0))
assert game.board[1][1] is None
assert game.board[0][0] == Counter(Color.WHITE)
def test_can_capture_two_pieces_in_multiple_direction():
game = Draughts({
'00': Counter(Color.WHITE),
'11': Counter(Color.BLACK),
'13': Counter(Color.BLACK),
})
game.playing_color = Color.WHITE
game.move(Coords(x=0, y=0), Coords(x=0, y=4))
assert game.board[1][1] is None
assert game.board[1][3] is None
assert game.board[0][4] == Counter(Color.WHITE)
def test_can_capture_two_pieces_in_straight_line():
game = Draughts({
'00': Counter(Color.WHITE),
'11': Counter(Color.BLACK),
'33': Counter(Color.BLACK),
})
game.playing_color = Color.WHITE
game.move(Coords(x=0, y=0), Coords(x=4, y=4))
assert game.board[1][1] is None
assert game.board[3][3] is None
assert game.board[4][4] == Counter(Color.WHITE)
def test_white_can_capture_three_pieces_in_multiple_directions_s_shape():
game = Draughts({
'60': Counter(Color.WHITE),
'51': Counter(Color.BLACK),
'53': Counter(Color.BLACK),
'55': Counter(Color.BLACK),
})
game.playing_color = Color.WHITE
game.move(Coords(x=6, y=0), Coords(x=4, y=6))
assert game.board[5][1] is None
assert game.board[5][3] is None
assert game.board[5][5] is None
assert game.board[4][6] == Counter(Color.WHITE)
def test_illegal_move_raises_exception():
game = Draughts()
game.playing_color = Color.WHITE
with pytest.raises(IllegalMoveError, match=game.ILLEGAL_MOVE):
game.move(Coords(x=4, y=2), Coords(x=4, y=3))