def test_initial_strategy(self):
"""
Starts by cooperating
"""
P1 = axelrod.OppositeGrudger()
P2 = axelrod.Player()
self.assertEqual(P1.strategy(P2), 'D')
def test_effect_of_strategy(self):
"""
If opponent cooperates at any point then the player will cooperate forever
"""
P1 = axelrod.OppositeGrudger()
P2 = axelrod.Player()
P1.history = ['C', 'D', 'D', 'D']
P2.history = ['D', 'D', 'D', 'D']
self.assertEqual(P1.strategy(P2), 'D')
P1.history = ['C', 'C', 'D', 'D', 'D']
P2.history = ['C', 'D', 'C', 'C', 'C']
self.assertEqual(P1.strategy(P2), 'C')
def test_representation(self):
P1 = axelrod.OppositeGrudger()
self.assertEqual(str(P1), 'Opposite Grudger')