def test_add_edges(self):
    g1 = NetworkGraph(self.s1.structure)
    g1.add_edges(self.s1.structure.edges)
    for e in self.s1.structure.edges:
        self.assertIn(tuple(e), g1.edges)
def test_add_edges(self):
    g1 = NetworkGraph(self.s1.structure)
    g1.add_edges(self.s1.structure.edges)
    for e in self.s1.structure.edges:
        self.assertIn(tuple(e), g1.edges)