def testRankedList(self):
graph = igraph.Graph(directed=True)
graph.add_vertices(5)
graph.add_edges([(0,1), (0,2), (1, 3), (2,3), (2,4)])
graph.es["invWeight"] = [1, 1, 1, 1, 1]
graph.es["weight"] = [1, 1, 1, 1, 1]
ranker = GraphRanker()
outputList = ranker.vertexRankings(graph, [0, 1, 2])
for lst in outputList:
self.assertEquals(set(lst), set([0, 1,2]))
self.assertEquals(len(lst), 3)