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tensorneat-mend/test/unit/test_graphs.py
2023-07-19 15:43:49 +08:00

33 lines
694 B
Python

import jax.numpy as jnp
from algorithm.neat.genome.graph import topological_sort, check_cycles
from algorithm.neat.utils import I_INT
nodes = jnp.array([
[0],
[1],
[2],
[3],
[jnp.nan]
])
# {(0, 2), (1, 2), (1, 3), (2, 3)}
conns = jnp.array([
[0, 0, 1, 0, 0],
[0, 0, 1, 1, 0],
[0, 0, 0, 1, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0]
])
def test_topological_sort():
assert jnp.all(topological_sort(nodes, conns) == jnp.array([0, 1, 2, 3, I_INT]))
def test_check_cycles():
assert check_cycles(nodes, conns, 3, 2)
assert ~check_cycles(nodes, conns, 2, 3)
assert ~check_cycles(nodes, conns, 0, 3)
assert ~check_cycles(nodes, conns, 1, 0)