1c880c79459a63c8e36f48966142aea56626818e,scipy/sparse/csgraph/tests/test_graph_components.py,,test_cs_graph_components,#,10

Before Change

def test_cs_graph_components():
    D = np.eye(4, dtype=bool)

    with warnings.catch_warnings():
        warnings.filterwarnings("ignore",
                    message="`cs_graph_components` is deprecated")

        n_comp, flag = csgraph.cs_graph_components(csr_matrix(D))
        assert_(n_comp == 4)
        assert_equal(flag, [0, 1, 2, 3])

        D[0, 1] = D[1, 0] = 1

        n_comp, flag = csgraph.cs_graph_components(csr_matrix(D))
        assert_(n_comp == 3)
        assert_equal(flag, [0, 0, 1, 2])

        // A pathological case...
        D[2, 2] = 0
        n_comp, flag = csgraph.cs_graph_components(csr_matrix(D))
        assert_(n_comp == 2)
        assert_equal(flag, [0, 0, -2, 1])


if __name__ == "__main__":
    run_module_suite()

After Change

    D[0, 1] = D[1, 0] = 1

    with suppress_warnings() as sup:
        sup.filter(DeprecationWarning, "`cs_graph_components` is deprecated!")
        n_comp, flag = csgraph.cs_graph_components(csr_matrix(D))
    assert_(n_comp == 3)
    assert_equal(flag, [0, 0, 1, 2])

    // A pathological case...

Instances