def test_unserializable_chromosome(self, tmpdir):
directory = tmpdir.mkdir("ckpt")
class UnSerializableChromosome:
def __init__(self, x):
self.x = x
pop = Population([UnSerializableChromosome(i) for i in range(10)], lambda x: x.x)
with raises(self.exception):
pop.checkpoint(target=directory, method=self.method)
def test_override_default_path(self, tmpdir, simple_chromosomes, simple_evaluation_function):
# With checkpoint_target init
directory1 = tmpdir.mkdir("ckpt1")
pop1 = Population(simple_chromosomes, simple_evaluation_function, checkpoint_target=directory1)
pop1.checkpoint(method=self.method)
assert len(listdir(directory1)) == 1
# With serializer init
directory2 = tmpdir.mkdir("ckpt2")
pop2 = Population(simple_chromosomes, simple_evaluation_function,
serializer=SimpleSerializer(target=directory2))
pop2.checkpoint(method=self.method)
assert len(listdir(directory2)) == 1
# With override
directory3 = tmpdir.mkdir("ckpt3")
pop1.checkpoint(target=directory3, method=self.method)
pop2.checkpoint(target=directory3, method=self.method)
assert len(listdir(directory3)) == 2
