def test_breed_genotypes():
random.seed(1)
bc = pyneat.core.BreedController({
'a': 'enter',
'b': 'enter',
'c': 'exit'
}, {0: {
0: None,
1: None
}}, {0: {
0: 0,
1: 1
}}, 2, 1)
geno1 = pyneat.Genotype([
pyneat.NodeGene('a', 'enter'),
pyneat.NodeGene('b', 'enter'),
pyneat.NodeGene('c', 'exit')
], {}, 43)
geno2 = pyneat.Genotype([
pyneat.NodeGene('a', 'enter'),
pyneat.NodeGene('b', 'enter'),
pyneat.NodeGene('c', 'exit')
], {1: pyneat.ConnGene('a', 'c', 1.0, True)}, 76)
c_geno = bc.create_new_offspring((geno1, 1), (geno2, 0),
{1: {
'in': 'a',
'out': 'c'
}})
for i in c_geno.nodes:
print(i)
for i, j in c_geno.conns.items():
print(f'{i}: {j}')
assert c_geno.nodes == geno2.nodes
assert c_geno.conns == geno2.conns
assert c_geno.mutation_rate == geno1.mutation_rate
def test_neat_graph_output():
genotype = pyneat.Genotype(
[
pyneat.NodeGene('d', 'exit'),
pyneat.NodeGene('e', 'exit'),
pyneat.NodeGene('c', 'hidden'),
pyneat.NodeGene('b', 'enter'),
pyneat.NodeGene('a', 'enter')
], {
1: pyneat.ConnGene('c', 'd', 1.0, True),
2: pyneat.ConnGene('b', 'e', 1.0, True),
3: pyneat.ConnGene('a', 'c', 1.0, True),
4: pyneat.ConnGene('b', 'c', 1.0, True)
}, 100)
graph = pyneat.NeatGraph(genotype)
out = graph.run({'a': 1.0, 'b': 1.0})
for i, j in zip(out[1], out[0]):
assert (i == 'e' and round(float(j), 7)
== 0.6750376) or (i == 'd' and round(float(j), 7) == 0.7941419)
genotype = pyneat.Genotype(
[
pyneat.NodeGene('d', 'exit'),
pyneat.NodeGene('c', 'hidden'),
pyneat.NodeGene('b', 'enter'),
pyneat.NodeGene('a', 'enter')
], {
3: pyneat.ConnGene('a', 'c', 1.0, True),
4: pyneat.ConnGene('b', 'c', 1.0, True)
}, 100)
graph = pyneat.NeatGraph(genotype)
out = graph.run({'a': 1.0, 'b': 1.0})
assert out == ([0.0], ['d'])
graph = pyneat.NeatGraph(pyneat.Genotype([], {}, 100))
assert graph.run({'a': 1.0}) is None
assert graph.run({}) is None
def test6():
pyneat.Genotype([], {}, "1")
def test5():
pyneat.Genotype([], {1: "w"}, 1)
def test4():
pyneat.Genotype([], {"1": pyneat.ConnGene("1", "2", 1.0, True)}, 1)
def test3():
pyneat.Genotype(["w"], {}, 1)
def test2():
pyneat.Genotype([], 'w', 1)
def test1():
pyneat.Genotype('w', {}, 1)
def test_mutations():
breed_controller = pyneat.core.BreedController(
{
'a': 'enter',
'b': 'enter',
'c': 'exit'
}, {0: {
0: 0
}}, {0: {
0: None
}}, 1, 1)
breed_controller.innovation_dict = {1: {'in': 'a', 'out': 'c'}}
base_genotype = pyneat.Genotype([
pyneat.NodeGene('a', 'enter'),
pyneat.NodeGene('b', 'enter'),
pyneat.NodeGene('c', 'exit')
], {1: pyneat.ConnGene('a', 'c', 1.0, True)}, 100)
# mutation type 0:
random.seed(1)
geno_1 = breed_controller.mutate(copy.deepcopy(base_genotype), 0)
cgeno_1 = pyneat.Genotype([
pyneat.NodeGene('a', 'enter'),
pyneat.NodeGene('b', 'enter'),
pyneat.NodeGene('c', 'exit')
], {1: pyneat.ConnGene('a', 'c', 1.0, True)}, 17)
assert geno_1 == cgeno_1
# mutation type 1:
random.seed(1)
geno_2 = breed_controller.mutate(copy.deepcopy(base_genotype), 1)
cgeno_2 = pyneat.Genotype(
[
pyneat.NodeGene('a', 'enter'),
pyneat.NodeGene('b', 'enter'),
pyneat.NodeGene('c', 'exit'),
pyneat.NodeGene('c386bbc4-cd61-3e30-d8f1-6adf91b7584a', 'hidden')
], {
1:
pyneat.ConnGene('a', 'c', 1.0, False),
2:
pyneat.ConnGene('a', 'c386bbc4-cd61-3e30-d8f1-6adf91b7584a', 1.0,
True),
3:
pyneat.ConnGene('c386bbc4-cd61-3e30-d8f1-6adf91b7584a', 'c', 1.0,
True)
}, 100)
assert geno_2 == cgeno_2
# mutation type 2:
random.seed(1)
geno_3 = breed_controller.mutate(copy.deepcopy(base_genotype), 2)
assert geno_3.nodes == base_genotype.nodes
assert geno_3.mutation_rate == base_genotype.mutation_rate
assert len(geno_3.conns) == 2
assert list(geno_3.conns.keys()) == [1, 4]
assert geno_3.conns[1] == pyneat.ConnGene('a', 'c', 1.0, True)
t_gene = pyneat.ConnGene('b', 'c', 0.9908702, True)
assert geno_3.conns[4].in_node == t_gene.in_node
assert geno_3.conns[4].out_node == t_gene.out_node
assert round(float(geno_3.conns[4].weight), 7) == t_gene.weight
assert geno_3.conns[4].enabled == t_gene.enabled
# mutation type 3:
random.seed(1)
geno_4 = breed_controller.mutate(copy.deepcopy(base_genotype), 3)
cgeno_4 = pyneat.Genotype([
pyneat.NodeGene('a', 'enter'),
pyneat.NodeGene('b', 'enter'),
pyneat.NodeGene('c', 'exit')
], {1: pyneat.ConnGene('a', 'c', 1.0, False)}, 100)
assert geno_4 == cgeno_4
# mutation type 4:
random.seed(1)
geno_5 = breed_controller.mutate(copy.deepcopy(base_genotype), 4)
cgeno_5 = pyneat.Genotype([
pyneat.NodeGene('a', 'enter'),
pyneat.NodeGene('b', 'enter'),
pyneat.NodeGene('c', 'exit')
], {1: pyneat.ConnGene('a', 'c', 0.5101381, True)}, 100)
assert geno_5.nodes == cgeno_5.nodes
assert geno_5.mutation_rate == cgeno_5.mutation_rate
assert len(geno_5.conns) == 1
assert list(geno_5.conns.keys()) == [1]
assert geno_5.conns[1].in_node == cgeno_5.conns[1].in_node
assert geno_5.conns[1].out_node == cgeno_5.conns[1].out_node
assert round(float(geno_5.conns[1].weight), 7) == cgeno_5.conns[1].weight
assert geno_5.conns[1].enabled == cgeno_5.conns[1].enabled