def test_strategy(self):
for action in [C, D]:
m = MockPlayer(actions=[action])
p2 = Player()
self.assertEqual(action, m.strategy(p2))
actions = [C, C, D, D, C, C]
m = MockPlayer(actions=actions)
p2 = Player()
for action in actions:
self.assertEqual(action, m.strategy(p2))
def test_update_history(self):
player = Player()
self.assertEqual(player.history, [])
self.assertEqual(player.cooperations, 0)
self.assertEqual(player.defections, 0)
update_history(player, D)
self.assertEqual(player.history, [D])
self.assertEqual(player.defections, 1)
self.assertEqual(player.cooperations, 0)
update_history(player, C)
self.assertEqual(player.history, [D, C])
self.assertEqual(player.defections, 1)
self.assertEqual(player.cooperations, 1)
def markov_test(self, responses, random_seed=None):
"""Test responses to the four possible one round histories. Input
responses is simply the four responses to CC, CD, DC, and DD."""
# Construct the test lists
histories = [[[C], [C]], [[C], [D]], [[D], [C]], [[D], [D]]]
for i, history in enumerate(histories):
# Needs to be in the inner loop in case player retains some state
P1 = self.player()
P2 = Player()
test_responses(self,
P1,
P2,
history[0],
history[1],
responses[i],
random_seed=random_seed)
def responses_test(self,
history_1,
history_2,
responses,
random_seed=None,
tournament_length=200):
"""Test responses to arbitrary histories. Input response_list is a
list of lists, each of which consists of a list for the history of
player 1, a list for the history of player 2, and a list for the
subsequent moves by player one to test.
"""
P1 = self.player()
P1.tournament_length = tournament_length
P2 = Player()
P2.tournament_length = tournament_length
test_responses(self,
P1,
P2,
history_1,
history_2,
responses,
random_seed=random_seed)
def test_strategy(self):
human = Human()
expected_action = C
actual_action = human.strategy(Player(), lambda: C)
self.assertEqual(actual_action, expected_action)
def setUp(self):
self.inspector = Player()
self.game = Game()
def first_play_test(self, play, random_seed=None):
"""Tests first move of a strategy."""
P1 = self.player()
P2 = Player()
test_responses(self, P1, P2, [], [], [play], random_seed=random_seed)
def test_history_assignment(self):
player = Player()
with self.assertRaises(AttributeError):
player.history = []
