def testVertexEdgeFromWithWeight(self):
"""Connect 2 Vertices with an edge, and give the edge a weight"""
u = Vertex()
v = Vertex()
e = u.edgefrom(v, weight=5)
self.assertEqual(e.weight, 5)
def testVertexEdgeFrom(self):
"""Connect 2 Vertices with an edge"""
u = Vertex()
v = Vertex()
e = u.edgefrom(v)
self.assertIsInstance(e, Edge)
self.assertEqual(e.from_, v)
self.assertEqual(e.to, u)
