def test_digraph_equality_labels(self):
        gr = digraph()
        gr.add_nodes([0,1,2])
        gr.add_edge((0,1), label="l1")
        gr.add_edge((1,2), label="l2")
        
        gr2 = deepcopy(gr)
        
        gr3 = deepcopy(gr)
        gr3.del_edge((0,1))
        gr3.add_edge((0,1))
        
        gr4 = deepcopy(gr)
        gr4.del_edge((0,1))
        gr4.add_edge((0,1), label="l3")
        
        assert gr == gr2
        assert gr2 == gr
        assert gr != gr3
        assert gr3 != gr
        assert gr != gr4
        assert gr4 != gr
Ensure alias exists.
dataset/ETHPy150Open pmatiello/python-graph/tests/unittests-digraph.py/test_digraph.test_digraph_equality_labels--crossover with--dataset/ETHPy150Open saltstack/salt/salt/states/boto_lambda.py/alias_present