def test_omni_unconnected():
np.random.seed(4)
n = 100
m = 50
graphs = [er_nm(n, m) for _ in range(2)]
omni = OmnibusEmbed()
with pytest.warns(UserWarning):
omni.fit(graphs)
def test_omni_matrix_invalid_inputs():
with pytest.raises(ValueError):
empty_list = []
omni = OmnibusEmbed(n_components=2)
omni.fit(empty_list)
with pytest.raises(ValueError):
wrong_shapes = [np.ones((10, 10)), np.ones((20, 20))]
omni = OmnibusEmbed(n_components=2)
omni.fit(wrong_shapes)
with pytest.raises(TypeError):
wrong_dtypes = [1, 2, 3]
omni = OmnibusEmbed(n_components=2)
omni.fit(wrong_dtypes)