def test_cubical_cofaces_of_persistence_pairs_when_pd_has_no_paired_birth_and_death(
):
cubCpx = CubicalComplex(dimensions=[1, 2],
top_dimensional_cells=[0.0, 1.0])
Diag = cubCpx.persistence(homology_coeff_field=2, min_persistence=0)
pairs = cubCpx.cofaces_of_persistence_pairs()
assert pairs[0] == []
assert np.array_equal(pairs[1][0], np.array([0]))
def test_cubical_generators():
cub = CubicalComplex(top_dimensional_cells = [[0, 0, 0], [0, 1, 0], [0, 0, 0]])
cub.persistence()
g = cub.cofaces_of_persistence_pairs()
assert len(g[0]) == 2
assert len(g[1]) == 1
assert np.array_equal(g[0][0], np.empty(shape=[0,2]))
assert np.array_equal(g[0][1], np.array([[7, 4]]))
assert np.array_equal(g[1][0], np.array([8]))
