def match(p1, p2, games, gname):
# game on
log.info('playing <%s> against <%s>...', p1.q.fname, 'itself' if p1==p2 else p2.q.fname)
wins_left = wins_right = draws = played = 0
for game in range(games):
left_starts = random.choice([True, False])
state,_,rounds = Episode(AlgoPlay(), p1, p2).run(State.create(gname, left_starts))
log.info('game %d: 1st=%s, rounds=%3d, winner=%s, score=%d/%d',
game, 'left ' if left_starts else 'right', rounds,
'left ' if state.player_wins() else 'right' if state.opponent_wins() else 'draw',
state.player_score(), state.opponent_score()
)
played += 1
if state.player_wins():
wins_left += 1
elif state.opponent_wins():
wins_right += 1
else:
draws += 1
if not running:
break
log.info('stats: left %d%% / right %d%% / draw %d%%',
wins_left*100/played,
wins_right*100/played,
draws*100/played
)
return 1 if wins_left > wins_right else 0 if wins_left == wins_right else -1
def test_opponent_starts_and_wins(self):
self.policy.play.side_effect = [(2,0,0)]
state, rounds, turns = Episode(self.algo, self.policy).run(StateTest(False))
self.assertEqual(state.opponent_wins(), True)
self.assertEqual((3, 3), (rounds, turns))
self.assertEqual(1, self.algo.update.call_count)
