def test_get_best_not_natural(self):
candidate1 = Candidate()
candidate1.fitness = Fitness(-1, is_natural=False)
candidate2 = Candidate()
candidate2.fitness = Fitness(-2, is_natural=False)
result = Population([candidate1, candidate2]).get_best()
self.assertEqual(result, candidate2)
result = Population([candidate2, candidate1]).get_best()
self.assertEqual(result, candidate2)
def test_sort_by_fitness_not_natural(self):
candidate1 = Candidate()
candidate1.fitness = Fitness(-1, is_natural=False)
candidate2 = Candidate()
candidate2.fitness = Fitness(-2, is_natural=False)
population = Population([candidate2, candidate1])
population.sort_by_fitness()
self.assertEqual(population[0], candidate1)
self.assertEqual(population[1], candidate2)
def setup(goals, constraints, configs, \
repair_function=None):
# Update services with problem and functions.
ga_configs.configs = configs
problem_service.goals = goals
problem_service.constraints = constraints
problem_service.repair_function = repair_function
population_service.population = Population()
plot_service.plot = Plot()
datalogger_service.init_logfile()
def test_sort_by_fitness_empty(self):
population = Population()
population.sort_by_fitness()
def test_add(self):
self.assertIsInstance(Population() + Population(), Population)
def test_get_best_empty(self):
population = Population()
result = population.get_best()
self.assertEqual(result, None)