-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathtictactoe_v4_properties.py
176 lines (140 loc) · 4.49 KB
/
tictactoe_v4_properties.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
import sys
from collections import Counter
from enum import Enum
from unittest import TestCase
# ENUM-START
class Player(Enum):
X = "X"
O = "O"
NA = " "
# ENUM-END
# INTRO-START
class Board():
def __init__(self):
self.board = [[Player.NA]*3]*3]
def do_move(self, x, y):
if self.board[x][y] == Player.NA:
self.board[x][y] = self.player
# INTRO-END
# PROPERTY-START
@property
def player(self):
plays = Counter(sum(self.board, []))
if plays[Player.O] < plays[Player.X]:
return Player.O
else:
return Player.X
# PROPERTY-END
def __str__(self):
return "--+---+--\n".join(
" | ".join(play.value for play in row) + "\n"
for row in self.board
)
@property
def is_finished(self):
for row in self.board:
if row[0] != Player.NA and row[0] == row[1] == row[2]:
return True
for column in range(3):
if self.board[0][column] != Player.NA and self.board[0][column] == self.board[1][column] == self.board[2][column]:
return True
if self.board[0][0] != Player.NA and self.board[0][0] == self.board[1][1] == self.board[2][2]:
return True
if self.board[2][0] != Player.NA and self.board[2][0] == self.board[1][1] == self.board[0][2]:
return True
return False
class BoardCorrected():
# FIXED-STORAGE-START
def __init__(self):
self.board = [[Player.NA]*3 for _ in range(3)]
# FIXED-STORAGE-END
class TestTicTacToe(TestCase):
def setUp(self):
self.board = Board()
# TEST-START
def test_basic_play(self):
# Check the current player
self.assertEqual(self.board.player, Player.X)
self.board.do_move(0, 0)
# Check that the move worked
self.assertEqual(self.board.board[0][0], Player.X)
# Check that the player changed
self.assertEqual(self.board.player, Player.O)
# TEST-END
def test_same_move(self):
self.assertEqual(self.board.player, Player.X)
self.board.do_move(0, 0)
self.assertEqual(self.board.player, Player.O)
self.board.do_move(0, 0)
self.assertEqual(self.board.player, Player.O)
# FAILED-TEST-START
def test_game_end(self):
self.assertFalse(self.board.is_finished)
self.board.do_move(0, 0)
self.assertFalse(self.board.is_finished)
# FAILED-TEST-END
self.board.do_move(0, 1)
self.assertFalse(self.board.is_finished)
self.board.do_move(1, 0)
self.assertFalse(self.board.is_finished)
self.board.do_move(1, 1)
self.assertFalse(self.board.is_finished)
self.board.do_move(2, 0)
self.assertTrue(self.board.is_finished)
# DEEP-TEST-START
def test_moves_made(self):
# Store the state of the board before a move
before = {(x, y, self.board.board[x][y]) for (x, y) in ALL_MOVES}
# Make a single move
self.board.do_move(0, 0)
# Store the state of the board after the move
after = {(x, y, self.board.board[x][y]) for (x, y) in ALL_MOVES}
# Compare the state before and after
self.assertEqual(after - before, {(0, 0, Player.X)})
self.assertEqual(before - after, {(0, 0, Player.NA)})
# DEEP-TEST-END
ALL_MOVES = [
(x, y)
for x in range(3)
for y in range(3)
]
# DEPTH-FIRST-START
def depth_first(board=None):
if board is None:
board = Board()
yield board
for x, y in ALL_MOVES:
if board.board[x][y] != Player.NA:
board.do_move(x, y)
try:
yield from depth_first(board)
finally:
board.board[x][y] = Player.NA
# DEPTH-FIRST-END
# DEPTH-COPY-START
def depth_first(board=None):
if board is None:
board = Board()
yield board
for x, y in ALL_MOVES:
if board.board[x][y] != Player.NA:
old_board = [list(board.board[x]) for x in range(3)]
board.do_move(x, y)
try:
yield from depth_first(board)
finally:
board.board = old_board
# DEPTH-COPY-END
# LOOP-START
def main():
board = Board()
while not board.is_finished:
print(board)
move = input(f"Player {board.player.value} move (x y)? ")
x, y = move.split()
board.do_move(int(x), int(y))
# LOOP-END
print("Game Over!")
print(board)
if __name__ == "__main__":
sys.exit(main())