def test_construction(self):
v1 = Vertex("1", 1.0, 1.0)
v1.getNumOutEdges() == 0
v1.getNumInEdges() == 0
v1.getCardinality() == (0, 0)
v1.getNumMovements() == 0
def test_addOutEdge(self):
v4 = Vertex("4", 200, 100)
v5 = Vertex("5", 100, 100)
v45 = Edge(v4, v5, 2)
v54 = Edge(v5, v4, 3)
nose.tools.assert_raises(GraphError, v5.addOutEdge, v45)
v5.addOutEdge(v54)
assert v5.getNumOutEdges() == 1
nose.tools.assert_raises(GraphError, v5.addOutEdge, v54)
