def testQ(self):
self.logger.info("BEGIN")
# test modularity calculation
ret = self.createSimpleGraph()
clusterList = ret[1]
self.logger.info("clusterList:\n{}".format(clusterList))
level0 = Louvain("testQ", clusterList)
self.assertEqual(5, level0._getM())
self.logger.info("level0._Q:{}".format(level0._Q))
self.assertAlmostEqual(level0._Q, 0.44)
self.logger.info("END\n")
def testNode(self):
self.logger.info("BEGIN")
n0 = Node(clusterId="c0", nodeId=0)
n1 = Node(clusterId="c0", nodeId=1)
n2 = Node(clusterId="c0", nodeId=2)
# undirected triangle graph
e0 = Edge(weight=1.0, srcId=0, targetId=1)
n0._addEdge(e0)
e1 = Edge(weight=1.0, srcId=1, targetId=0)
n1._addEdge(e1)
self.assertEqual(1, n0.getSumAdjWeights())
self.assertEqual(1, n1.getSumAdjWeights())
e2 = Edge(weight=1.0, srcId=0, targetId=2)
n0._addEdge(e2)
e3 = Edge(weight=1.0, srcId=2, targetId=0)
n2._addEdge(e3)
# test print functions
self.logger.info("e3:{}".format(e3))
self.assertEqual(2, n0.getSumAdjWeights())
self.assertEqual(1, n2.getSumAdjWeights())
# test print functions
self.logger.info("n2:{}".format(n2))
e4 = Edge(weight=1.0, srcId=1, targetId=2)
n1._addEdge(e4)
e5 = Edge(weight=1.0, srcId=2, targetId=1)
n2._addEdge(e5)
self.assertEqual(2, n1.getSumAdjWeights())
self.assertEqual(2, n2.getSumAdjWeights())
# create cluster0
cluster0 = Cluster(clusterId="c0", nodeList=[n0, n1, n2])
self.assertEqual(3, cluster0._getM())
# test print functions
self.logger.info("cluster0:{}".format(cluster0))
# create disjoint graph
n3 = Node(clusterId="c1", nodeId=3)
e6 = Edge(weight=1.0, srcId=3, targetId=4)
n3._addEdge(e6)
n4 = Node(clusterId="c1", nodeId=4)
e6 = Edge(weight=1.0, srcId=4, targetId=3)
n4._addEdge(e6)
cluster1 = Cluster(clusterId="c1", nodeList=[n3, n4])
self.assertEqual(1, cluster1._getM())
# test modularity calculation
level0 = Louvain("testNode", [cluster0, cluster1])
self.assertEqual(4, level0._getM())
self.logger.info("level0._Q:{}".format(level0._Q))
self.assertEqual(level0._Q, 0.59375)
# test
self.logger.info("END\n")
