class TestFictitiousPlay_bimatrix:
'''Test the methods of FictitiousPlay with bimatrix'''
def setUp(self):
'''Setup a FictitiousPlay instance'''
payoff_bimatrix = np.zeros((2, 3, 2)) # 2 x 3 game
g = NormalFormGame(payoff_bimatrix)
self.fp = FictitiousPlay(g)
def test_set_init_actions_with_given_init_actions(self):
init_actions = (0, 2)
self.fp.set_init_actions(init_actions)
assert_array_equal(self.fp.current_actions, init_actions)
for i, current_belief in enumerate(self.fp.current_beliefs):
ok_(current_belief[init_actions[1-i]] == 1 and
current_belief.sum() == 1)
def test_set_init_actions_when_init_action_dist_None(self):
self.fp.set_init_actions() # Action dist randomly chosen
init_actions = self.fp.current_actions
for i, current_belief in enumerate(self.fp.current_beliefs):
ok_(current_belief[init_actions[1-i]] == 1 and
current_belief.sum() == 1)
class TestFictitiousPlay_bimatrix:
'''Test the methods of FictitiousPlay with bimatrix'''
def setUp(self):
'''Setup a FictitiousPlay instance'''
payoff_bimatrix = np.zeros((2, 3, 2)) # 2 x 3 game
g = NormalFormGame(payoff_bimatrix)
self.fp = FictitiousPlay(g)
def test_set_init_actions_with_given_init_actions(self):
init_actions = (0, 2)
self.fp.set_init_actions(init_actions)
assert_array_equal(self.fp.current_actions, init_actions)
for i, current_belief in enumerate(self.fp.current_beliefs):
ok_(current_belief[init_actions[1 - i]] == 1
and current_belief.sum() == 1)
def test_set_init_actions_when_init_action_dist_None(self):
self.fp.set_init_actions() # Action dist randomly chosen
init_actions = self.fp.current_actions
for i, current_belief in enumerate(self.fp.current_beliefs):
ok_(current_belief[init_actions[1 - i]] == 1
and current_belief.sum() == 1)
class TestFictitiousPlay_square_matrix:
'''Test the methods of FictitiousPlay with square matrix'''
def setUp(self):
'''Setup a FictitiousPlay instance'''
# symmetric 2x2 coordination game
payoff_matrix = [[4, 0],
[3, 2]]
self.fp = FictitiousPlay(payoff_matrix)
def test_set_init_actions_with_given_init_actions(self):
init_actions = (0, 1)
self.fp.set_init_actions(init_actions)
assert_array_equal(self.fp.current_actions, init_actions)
for i, current_belief in enumerate(self.fp.current_beliefs):
ok_(current_belief[init_actions[1-i]] == 1 and
current_belief.sum() == 1)
def test_set_init_actions_when_init_action_dist_None(self):
self.fp.set_init_actions() # Action dist randomly chosen
init_actions = self.fp.current_actions
for i, current_belief in enumerate(self.fp.current_beliefs):
ok_(current_belief[init_actions[1-i]] == 1 and
current_belief.sum() == 1)
def test_play(self):
init_actions = (0, 1)
best_responses = (1, 0)
self.fp.set_init_actions(init_actions)
self.fp.play()
assert_array_equal(self.fp.current_actions, best_responses)
def test_simulate_rest_point(self):
beliefs_sequence = \
self.fp.simulate(ts_length=3, init_actions=(0, 0))
assert_array_equal(
beliefs_sequence[0],
[[1, 0],
[1, 0],
[1, 0]]
)
def test_simulate(self):
beliefs_sequence = \
self.fp.simulate(ts_length=3, init_actions=(0, 1))
# played actions: (0, 1), (1, 0), (0, 1)
assert_array_almost_equal_nulp(
beliefs_sequence[0],
[[0, 1],
[1/2, 1/2],
[1/3, 2/3]]
)
class TestFictitiousPlay_square_matrix:
'''Test the methods of FictitiousPlay with square matrix'''
def setUp(self):
'''Setup a FictitiousPlay instance'''
# symmetric 2x2 coordination game
payoff_matrix = [[4, 0], [3, 2]]
self.fp = FictitiousPlay(payoff_matrix)
def test_set_init_actions_with_given_init_actions(self):
init_actions = (0, 1)
self.fp.set_init_actions(init_actions)
assert_array_equal(self.fp.current_actions, init_actions)
for i, current_belief in enumerate(self.fp.current_beliefs):
ok_(current_belief[init_actions[1 - i]] == 1
and current_belief.sum() == 1)
def test_set_init_actions_when_init_action_dist_None(self):
self.fp.set_init_actions() # Action dist randomly chosen
init_actions = self.fp.current_actions
for i, current_belief in enumerate(self.fp.current_beliefs):
ok_(current_belief[init_actions[1 - i]] == 1
and current_belief.sum() == 1)
def test_play(self):
init_actions = (0, 1)
best_responses = (1, 0)
self.fp.set_init_actions(init_actions)
self.fp.play()
assert_array_equal(self.fp.current_actions, best_responses)
def test_simulate_rest_point(self):
beliefs_sequence = \
self.fp.simulate(ts_length=3, init_actions=(0, 0))
assert_array_equal(beliefs_sequence[0], [[1, 0], [1, 0], [1, 0]])
def test_simulate(self):
beliefs_sequence = \
self.fp.simulate(ts_length=3, init_actions=(0, 1))
# played actions: (0, 1), (1, 0), (0, 1)
assert_array_almost_equal_nulp(
beliefs_sequence[0], [[0, 1], [1 / 2, 1 / 2], [1 / 3, 2 / 3]])
def test_fp_invalid_input():
fp = FictitiousPlay(np.zeros((2, 3, 4, 3))) # three-player game
def setUp(self):
'''Setup a FictitiousPlay instance'''
payoff_bimatrix = np.zeros((2, 3, 2)) # 2 x 3 game
g = NormalFormGame(payoff_bimatrix)
self.fp = FictitiousPlay(g)
def setUp(self):
'''Setup a FictitiousPlay instance'''
# symmetric 2x2 coordination game
payoff_matrix = [[4, 0], [3, 2]]
self.fp = FictitiousPlay(payoff_matrix)
def setUp(self):
'''Setup a FictitiousPlay instance'''
payoff_bimatrix = np.zeros((2, 3, 2)) # 2 x 3 game
g = NormalFormGame(payoff_bimatrix)
self.fp = FictitiousPlay(g)
def setUp(self):
'''Setup a FictitiousPlay instance'''
# symmetric 2x2 coordination game
payoff_matrix = [[4, 0],
[3, 2]]
self.fp = FictitiousPlay(payoff_matrix)