Beispiel #1
0
 def test_run_2(self):   #第二代找到最优解
     #print 'begin run2'
     class TCell(object):pass
     cell,cell2 = TCell(),TCell()
     pls = [cell,cell]
     pls2 = [cell2,cell2]
     proxy = pmock.Mock()
     proxy.expects(pmock.once()).judge(pmock.eq(cell)).will(pmock.return_value(88))
     proxy.expects(pmock.once()).judge(pmock.eq(cell2)).will(pmock.return_value(100))
     proxy.stubs().method('fitness_ranker').will(pmock.return_value([50,50]))
     proxy.stubs().method('selector').will(pmock.return_value(([cell,cell],[cell,cell])))
     reproducer = lambda seeds,gametes : pls2
     reproducer.times_of_length = 1
     nature = Nature(proxy.judge,proxy.fitness_ranker,proxy.selector,reproducer)
     times = 20
     rpls,laststep = nature.run(pls,20)
     proxy.verify()
     self.assertEquals(1,laststep)
     self.assertEquals(pls2,rpls)
Beispiel #2
0
 def test_cached_judge(self):
     class TCell(object):pass
     cell = TCell()
     proxy = pmock.Mock()
     proxy.expects(pmock.once()).judge(pmock.eq(cell)).will(pmock.return_value(88))
     reproducer = helper.simple_reproducer_factory(0.8,0.001)
     nature = Nature(proxy.judge,helper.nonlinear_rank,helper.roulette_wheel_selection_factory(reproducer.times_of_length),reproducer)
     nature.cached_judge(cell)
     nature.cached_judge(cell)
     nature.cached_judge(cell)
     proxy.verify()