Ejemplos de UndirectedGraph.arbitrary_node en Python

Ejemplo n.º 1

def test_arbitrary_node():
    # given
    g = UndirectedGraph()
    g.add_edge(1, 2)
    g.add_edge(2, 3)
    u = g.arbitrary_node()
    assert u in g.nodes

Ejemplo n.º 2

def test_arbitrary_node_raises_if_graph_empty():
    # given
    g = UndirectedGraph()
    with pytest.raises(DoesNotExistError):
        u = g.arbitrary_node()