view env/lib/python3.9/site-packages/networkx/utils/tests/test_contextmanager.py @ 0:4f3585e2f14b draft default tip

"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"

import networkx as nx


def test_reversed():
    G = nx.DiGraph()
    G.add_edge("A", "B")

    # no exception
    with nx.utils.reversed(G):
        pass
    assert "B" in G["A"]

    # exception
    try:
        with nx.utils.reversed(G):
            raise Exception
    except:
        assert "B" in G["A"]