def test_pure_prisoners_dilemma(_): """Test pure prisoners dilemma""" game = gamegen.sym_2p2s_game(2, 0, 3, 1) # prisoners dilemma eqm = [0, 2] assert regret.pure_strategy_regret(game, eqm) == 0, \ 'Known equilibrium was not zero regret'
def test_mixed_prisoners_dilemma(_): """Test mixed prisoners dilemma""" game = gamegen.sym_2p2s_game(2, 0, 3, 1) # prisoners dilemma eqm = [0, 1] assert regret.mixture_regret(game, eqm) == 0, \ 'Known symmetric mixed was not zero regret'
def generate_games(num): # pylint: disable=too-many-branches """Produce num random games per type""" np.random.seed(0) with open(path.join(_DIR, 'example_games', 'hard_nash.json')) as fil: yield 'hard', gamereader.load(fil).normalize() with open(path.join(_DIR, 'example_games', '2x2x2.nfg')) as fil: yield 'gambit', gamereader.load(fil).normalize() for _ in range(num): yield 'random', gamegen.game(*random_small()).normalize() for _ in range(num): strats = np.random.randint(2, 5, np.random.randint(2, 4)) yield 'covariant', gamegen.covariant_game(strats).normalize() for _ in range(num): strats = np.random.randint(2, 5, 2) yield 'zero sum', gamegen.two_player_zero_sum_game(strats).normalize() for _ in range(num): yield 'prisoners', gamegen.prisoners_dilemma().normalize() for _ in range(num): yield 'chicken', gamegen.sym_2p2s_game(0, 3, 1, 2).normalize() for _ in range(num): prob = np.random.random() yield 'mix', gamegen.sym_2p2s_known_eq(prob).normalize() for _ in range(num): strats = np.random.randint(2, 4) plays = np.random.randint(2, 4) yield 'polymatrix', gamegen.polymatrix_game(plays, strats).normalize() for _ in range(num): wins = np.random.random(3) + .5 loss = -np.random.random(3) - .5 yield 'roshambo', gamegen.rock_paper_scissors(wins, loss).normalize() yield 'shapley easy', gamegen.rock_paper_scissors(win=2).normalize() yield 'shapley normal', gamegen.rock_paper_scissors(win=1).normalize() yield 'shapley hard', gamegen.rock_paper_scissors(win=0.5).normalize() for _ in range(num): yield 'normagg small', gamegen.normal_aggfn(*random_agg_small()) for _ in range(num): yield 'polyagg small', gamegen.poly_aggfn(*random_agg_small()) for _ in range(num): yield 'sineagg small', gamegen.sine_aggfn(*random_agg_small()) for _ in range(num): facs = np.random.randint(2, 6) req = np.random.randint(1, facs) players = np.random.randint(2, 11) yield 'congestion', gamegen.congestion(players, facs, req) for _ in range(num): strats = np.random.randint(2, 6) players = np.random.randint(2, 11) yield 'local effect', gamegen.local_effect(players, strats) for _ in range(num): yield 'normagg large', gamegen.normal_aggfn(*random_agg_large()) for _ in range(num): yield 'polyagg large', gamegen.poly_aggfn(*random_agg_large()) for _ in range(num): yield 'sineagg large', gamegen.sine_aggfn(*random_agg_large()) for _ in range(num): agg = gamegen.sine_aggfn(*random_agg_small()) with warnings.catch_warnings(): warnings.simplefilter('ignore', UserWarning) yield 'rbf', learning.rbfgame_train(agg)
def test_sym_2p2s_game(_): game = gamegen.sym_2p2s_game() assert game.is_complete(), "didn't generate a full game" assert game.is_symmetric(), \ "didn't generate a symmetric game" assert np.all(2 == game.num_players), \ "didn't generate correct number of strategies" assert np.all(2 == game.num_strategies), \ "didn't generate correct number of strategies"