def test_expected_utility_three_player():
num_players = 3
node_map = {i: {} for i in range(num_players)}
action_map = {i: {} for i in range(num_players)}
learn(10000, node_map, action_map)
cards = [Card(14, 1), Card(13, 1), Card(12, 1), Card(11, 1)]
util = expected_utility(cards, 4, 3, kuhn_eval, node_map, action_map)
print(util)
print(json.dumps(action_map, indent=4))
print(node_map)
assert abs(util.sum()) <= 0.0001, f"Something weird, not a zero sum game"
assert np.abs(util).sum() > 0, f"Util was {util}"
def test_expected_utility():
num_players = 2
node_map = {i: {} for i in range(num_players)}
action_map = {i: {} for i in range(num_players)}
learn(10000, node_map, action_map)
cards = [Card(14, 1), Card(13, 1), Card(12, 1)]
util = expected_utility(cards, 3, 2, kuhn_eval, node_map, action_map)
print(util)
print(json.dumps(action_map, indent=4))
print(node_map)
assert util.sum() == 0
assert np.isclose(np.abs(util[0]), np.abs(util[1])), f"Util was {util}"
assert np.abs(util).sum() > 0, f"Util was {util}"
assert abs(util[1] - 1 / 18) <= .01, f"Util not converging {util}"
def test_expected_utility():
num_players = 2
node_map = {i: {} for i in range(num_players)}
action_map = {i: {} for i in range(num_players)}
cards = [Card(14, 1), Card(13, 1), Card(12, 1)]
learn(10000, cards, 2, node_map, action_map)
exploit = exploitability(cards, 2, node_map, action_map)
print(exploit)
assert exploit < .001, f"Exploitability was : {exploit}"
util = expected_utility(cards, 2, 2, node_map, action_map)
print(util)
print(json.dumps(action_map, indent=4))
print(node_map)
assert util.sum() == 0
assert np.isclose(np.abs(util[0]), np.abs(util[1])), f"Util was {util}"
assert np.abs(util).sum() > 0, f"Util was {util}"