Method test_none_node

networkx/classes/tests/test_graph.py:46–55

(self)

        assert sorted(G.nodes(data=True)) == [(0, {}), (1, {}), (2, {})]

    def test_none_node(self):
        G = self.Graph()
        with pytest.raises(ValueError):
            G.add_node(None)
        with pytest.raises(ValueError):
            G.add_nodes_from([None])
        with pytest.raises(ValueError):
            G.add_edge(0, None)
        with pytest.raises(ValueError):
            G.add_edges_from([(0, None)])

    def test_has_node(self):
        G = self.K3