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test_gambler.py
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test_gambler.py
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import axelrod as axl
import random
import unittest
from axelrod_dojo import GamblerParams
from axelrod.strategies.lookerup import Plays
from axelrod.strategies.lookerup import create_lookup_table_keys
C, D = axl.Action.C, axl.Action.D
class TestGamblerParams(unittest.TestCase):
def test_init(self):
plays = 2
op_plays = 2
op_start_plays = 1
gambler_params = GamblerParams(plays=plays, op_plays=op_plays,
op_start_plays=op_start_plays)
self.assertEqual(gambler_params.PlayerClass, axl.Gambler)
self.assertEqual(gambler_params.plays, plays)
self.assertEqual(gambler_params.op_plays, op_plays)
self.assertEqual(gambler_params.op_start_plays, op_start_plays)
def test_player(self):
plays, op_plays, op_start_plays = 1, 1, 1
pattern = [0 for _ in range(8)]
gambler = GamblerParams(plays=plays, op_plays=op_plays,
op_start_plays=op_start_plays, pattern=pattern)
player = gambler.player()
keys = create_lookup_table_keys(player_depth=plays, op_depth=op_plays,
op_openings_depth=op_start_plays)
action_dict = dict(zip(keys, pattern))
self.assertEqual(player.lookup_dict, action_dict)
def test_receive_vector(self):
plays, op_plays, op_start_plays = 1, 1, 1
gambler_params = GamblerParams(plays=plays, op_plays=op_plays,
op_start_plays=op_start_plays)
self.assertRaises(AttributeError, GamblerParams.__getattribute__,
*[gambler_params, 'vector'])
vector = [random.random() for _ in range(6)]
gambler_params.receive_vector(vector)
self.assertEqual(gambler_params.pattern, vector)
def test_vector_to_instance(self):
plays, op_plays, op_start_plays = 1, 1, 1
gambler_params = GamblerParams(plays=plays, op_plays=op_plays,
op_start_plays=op_start_plays)
vector = [random.random() for _ in range(8)]
gambler_params.receive_vector(vector)
instance = gambler_params.player()
keys = create_lookup_table_keys(player_depth=plays, op_depth=op_plays,
op_openings_depth=op_start_plays)
action_dict = dict(zip(keys, vector))
self.assertIsInstance(instance, axl.Gambler)
self.assertEqual(instance.lookup_dict, action_dict)
def test_create_vector_bounds(self):
plays, op_plays, op_start_plays = 1, 1, 1
gambler_params = GamblerParams(plays=plays, op_plays=op_plays,
op_start_plays=op_start_plays)
lb, ub = gambler_params.create_vector_bounds()
self.assertIsInstance(lb, list)
self.assertIsInstance(ub, list)
self.assertEqual(len(lb), 8)
self.assertEqual(len(ub), 8)
def test_random_params(self):
plays, op_plays, op_start_plays = 2, 2, 2
table = GamblerParams.random_params(plays=plays, op_plays=op_plays,
op_start_plays=op_start_plays)
self.assertIsInstance(table, list)
self.assertEqual(len(table), 64)
def test_randomize(self):
plays, op_plays, op_start_plays = 2, 2, 2
gambler_params = GamblerParams(plays=plays, op_plays=op_plays,
op_start_plays=op_start_plays)
self.assertIsInstance(gambler_params.pattern, list)
self.assertEqual(len(gambler_params.pattern), 64)
def test_repr(self):
plays, op_plays, op_start_plays = 1, 1, 1
pattern = [0.05, 0.07, 0.70, 0.03,
0.60, 0.70, 0.45, 0.10]
gambler_params = GamblerParams(plays=plays, op_plays=op_plays,
op_start_plays=op_start_plays,
pattern=pattern)
self.assertEqual(gambler_params.__repr__(),
'1:1:1:0.05|0.07|0.7|0.03|0.6|0.7|0.45|0.1')
def test_crossover(self):
plays, op_plays, op_start_plays = 1, 1, 1
gambler1 = GamblerParams(plays=plays, op_plays=op_plays,
op_start_plays=op_start_plays)
gambler2 = GamblerParams(plays=plays, op_plays=op_plays,
op_start_plays=op_start_plays)
axl.seed(0)
gambler = gambler1.crossover(gambler2)
self.assertEqual(gambler.pattern,
gambler1.pattern[:6] + gambler2.pattern[6:])
self.assertEqual(gambler.PlayerClass, gambler1.PlayerClass)
self.assertEqual(gambler.plays, gambler.plays)
self.assertEqual(gambler.op_plays, gambler.op_plays)
self.assertEqual(gambler.op_start_plays, gambler.op_start_plays)
def test_mutations(self):
gambler_params = GamblerParams(plays=1, op_plays=1, op_start_plays=1,
mutation_probability=0.3)
pattern = [i for i in gambler_params.pattern]
axl.seed(1)
_ = gambler_params.mutate()
self.assertNotEqual(pattern, gambler_params.pattern)
self.assertEqual(pattern[:2], gambler_params.pattern[:2])
self.assertEqual(pattern[3], gambler_params.pattern[3])
self.assertEqual(pattern[-1], gambler_params.pattern[-1])
def test_genes_in_bounds(self):
gambler_params = GamblerParams(plays=1, op_plays=1, op_start_plays=1,
mutation_probability=0.8)
for _ in range(100):
_ = gambler_params.mutate()
self.assertTrue(all(gene <= 1 for gene in gambler_params.pattern))
self.assertTrue(all(gene >= 0 for gene in gambler_params.pattern))