def test_is_invalid_move_because_of_ko4_not_ko_corner(self):
#Current move is not surrounded by opponents' stones
move = (0, 1)
board_grid = [[-1, 0, 0, 0], [1, -1, 0, 0], [0, 0, 0, 0], [1, 0, 0, 0]]
game_history = [(1, 3, 0), (-1, 0, 0), (1, 1, 0), (-1, 1, 1)]
board = GoBoard(board_dimension=4,
player=1,
board_grid=board_grid,
game_history=game_history)
self.assertFalse(GoUtils._is_invalid_move_because_of_ko(board, move))
def test_is_invalid_move_because_of_ko3_ko_center(self):
move = (2, 2)
board_grid = [[0, 0, 0, 0], [0, 1, -1, 0], [1, -1, 0, -1],
[0, 1, -1, 0]]
game_history = [(1, 2, 0), (-1, 2, 3), (1, 1, 1), (-1, 1, 2),
(1, 2, 2), (-1, 3, 2), (1, 3, 1), (-1, 2, 1)]
board = GoBoard(board_dimension=4,
player=1,
board_grid=board_grid,
game_history=game_history)
self.assertTrue(GoUtils._is_invalid_move_because_of_ko(board, move))
def test_is_invalid_move_because_of_ko5_not_ko_center(self):
#Current move captures two adjacent groups
move = (1, 2)
board_grid = [[0, 1, -1, 1], [1, -1, 0, -1], [0, 1, -1, 0],
[0, 0, 0, 0]]
game_history = [(1, 1, 0), (-1, 0, 2), (1, 0, 1), (-1, 2, 2),
(1, 2, 1), (-1, 1, 3), (1, 0, 3), (-1, 1, 1)]
board = GoBoard(board_dimension=4,
player=1,
board_grid=board_grid,
game_history=game_history)
self.assertFalse(GoUtils._is_invalid_move_because_of_ko(board, move))
def test_is_invalid_move_because_of_ko7_not_ko_center(self):
#stone with no liberty from 2's position was not played in the last move
move = (2, 2)
board_grid = [[0, 0, 0, 0], [0, 1, -1, 0], [1, -1, 0, -1],
[0, 1, -1, 0]]
game_history = [(1, 1, 1), (-1, 1, 2), (1, 2, 2), (-1, 2, 3),
(1, 3, 1), (-1, 3, 2), (1, 2, 0), (-1, 2, 1),
(1, -1, -1), (-1, -1, -1)]
board = GoBoard(board_dimension=4,
player=1,
board_grid=board_grid,
game_history=game_history)
self.assertFalse(GoUtils._is_invalid_move_because_of_ko(board, move))
def test_is_invalid_move_because_of_ko6_not_ko_center(self):
#Capture Two stones that are connected from the move
move = (2, 1)
board_grid = [[0, 0, 0, 0, 0], [0, 1, -1, -1, 0], [1, 0, 1, 1, -1],
[0, 1, -1, -1, 0], [0, 0, 0, 0, 0]]
game_history = [(1, 1, 1), (-1, 1, 2), (1, 2, 2), (-1, 1, 3),
(1, 2, 3), (-1, 2, 4), (1, -1, -1), (-1, 3, 3),
(1, 3, 1), (-1, 3, 2), (1, 2, 0)]
board = GoBoard(board_dimension=5,
player=-1,
board_grid=board_grid,
game_history=game_history)
self.assertFalse(GoUtils._is_invalid_move_because_of_ko(board, move))
