def test_edges(self):
g = DGraph()
g.add_node('1', label='kekek')
g.add_node('2')
g.add_node('3')
g.add_node('4')
g.add_edge('1', '2', weight=2)
g.add_edge('3', '2', weight=2)
self.assertEqual(len(g.edges()), 2, "wrong number of edges ")
def test_builtgraph_export(self):
g = DGraph()
g.add_node('1', label='kekek')
g.add_node('2')
g.add_node('3')
g.add_node('4')
g.add_edge('1', '2', weight=2)
g.add_edge('3', '2', weight=2)
g.write_dot(join(project_root(), "./tests/dot_export/g.dot"))
g2 = DGraph.read_dot(join(project_root(), "./tests/dot_export/g.dot"))
assert g2.dgraph is not None
self.assertEqual(len(g.nodes()), 4,
"wrong number of nodes after export")
self.assertEqual(len(g.edges()), 2,
"wrong number of edges after export")
assert nx.algorithms.is_isomorphic(g.dgraph, g2.dgraph)