def testFitness2Correlation(self):
"""Correlation should make a difference"""
G = ArrayWrapper.array(CorelatedGame)
for k in range(20):
p = Dynamics.RandomDistribution(8)
compare = Dynamics._QuickFitness2(p, G)
fitness = Dynamics._Fitness2(p, G, 0.2)
self.failIf(AlmostEqual(fitness, compare))
def testQuickFitness2FairGame(self):
"""QuickFitness2 should yield equal fitnesses in a totally fair game"""
G = ArrayWrapper.array(lambda a,b: 0.3)
for i in range(20):
p = Dynamics.RandomDistribution(5)
f = Dynamics._QuickFitness2(p, G)
for k in range(1,5):
self.failIf(f[k] != f[0])
def testFitness2ZeroCorrelation(self):
"""Fitness2 should return the same results QuickFitness2 if e=0.0."""
for i in range(20):
G = array(GenRandomGame(2, 8))
for k in range(5):
p = Dynamics.RandomDistribution(8)
compare = Dynamics._QuickFitness2(p, G)
fitness = Dynamics._Fitness2(p, G, 0.0)
self.failUnless(AlmostEqual(fitness, compare))
def testNumericQuickFitness2Players(self):
"""QuickFitness2 and numeric_QuickFitness2 should yield the same result
"""
for i in range(20):
G = array(GenRandomGame(2, 8))
for k in range(5):
p = Dynamics.RandomDistribution(8)
compare = Dynamics._QuickFitness2(p, G)
fitness = Dynamics._numeric_QuickFitness2(p, G)
self.failUnless(AlmostEqual(fitness, compare))
def testQuickFitness2Players(self):
"""QuickFitness should not make a difference to QF2 in the 2 player case
"""
for i in range(20):
G = array(GenRandomGame(2, 8))
for k in range(5):
p = Dynamics.RandomDistribution(8)
compare = Dynamics._QuickFitness2(p, G)
fitness = Dynamics._QuickFitness(p, G, 2)
self.failUnless(AlmostEqual(fitness, compare))
def testSampledQuickFitness2(self):
"""SampledQuickFitness2 should yield similar results as QuickFitness2"""
for i in range(5):
G = array(GenRandomGame(2, 8))
p = Dynamics.RandomDistribution(8)
fitness = Dynamics._QuickFitness2(p, G)
failures = 0
for k in range(5):
sampled = Dynamics._SampledQuickFitness2(p, G, 1000)
if not AlmostEqual(fitness, sampled, 0.1): failures += 1
self.failIf(failures > 1)
def testQuickFitness2DemandGame(self):
"""Test QuickFitness with the 'demand game'"""
fitness = Dynamics._QuickFitness2(self.pop1, self.DemandGame)
self.failUnless(fitness[2] > fitness[1] and fitness[2] >= fitness[0])
