def test_is_terminal(self):
for b in [DEMO_BOARD_1, DEMO_BOARD_2]:
board = MinMax(b, 'x')
self.assertFalse(board.is_terminal,
'this board should not be terminal: %s' % b)
for b in [DEMO_BOARD_3, DEMO_BOARD_4]:
board = MinMax(b, 'x')
self.assertTrue(board.is_terminal,
'this board should be terminal: %s' % b)
def test_get_children(self):
board = MinMax(DEMO_BOARD_1, 'x')
# this board has player 'x', children should have player 'o'
count = 0
for child, move in board._get_children():
self.assertEquals(child.player, 'o', 'child has wrong player set')
self.assertTrue(move in [5, 6, 7], 'unexpected move: %s' % move)
count += 1
self.assertEquals(count, 3, "wrong number of children: %s" % count)
def test_get_children(self):
board = MinMax(DEMO_BOARD_1, 'x')
# this board has player 'x', children should have player 'o'
count = 0
for child, move in board._get_children():
self.assertEquals(child.player, 'o',
'child has wrong player set')
self.assertTrue(move in [5, 6, 7],
'unexpected move: %s' % move)
count += 1
self.assertEquals(count, 3,
"wrong number of children: %s" % count)
def move(request):
cell_id = request.GET.get('cell_id', _marker)
player = request.GET.get('player', _marker)
if player == _marker:
# we don't know who's turn it is. error out
return json_response('error')
board = get_current_board(request)
cell = None
if cell_id == _marker:
# the computer did this one. Make a move
time.sleep(0.25)
engine = MinMax(board, player)
score, cell = engine.choose(8, -999999, 999999)
board[cell] = player
else:
# the human did it, check the incoming value
try:
cell = int(cell_id)
except ValueError:
return json_response('error')
else:
# make a new engine with the player's choice and get the score
board[cell] = player
request.session['board'] = board
engine = MinMax(board, player)
score = engine.score
if engine.is_terminal:
if abs(score) > 200:
return json_response('win', value=cell, player=player)
else:
return json_response('tie', value=cell, player=player)
return json_response(value=cell, player=player)
def move(request):
cell_id = request.GET.get('cell_id', _marker)
player = request.GET.get('player', _marker)
if player == _marker:
# we don't know who's turn it is. error out
return json_response('error')
board = get_current_board(request)
cell = None
if cell_id == _marker:
# the computer did this one. Make a move
time.sleep(0.25)
engine = MinMax(board, player)
score, cell = engine.choose(8, -999999, 999999)
board[cell] = player
else:
# the human did it, check the incoming value
try:
cell = int(cell_id)
except ValueError:
return json_response('error')
else:
# make a new engine with the player's choice and get the score
board[cell] = player
request.session['board'] = board
engine = MinMax(board, player)
score = engine.score
if engine.is_terminal:
if abs(score) > 200:
return json_response('win', value=cell, player=player)
else:
return json_response('tie', value=cell, player=player)
return json_response(value=cell, player=player)
