def _test_rate(self, i, j):
reducer = GraphReduction(self.rates, [i], [j], debug=True)
reducer.check_graph()
reducer.compute_rates()
rAB = reducer.get_rate_AB()
rBA = reducer.get_rate_BA()
reducer.check_graph()
self.assertEqual(reducer.graph.number_of_nodes(), 2)
self.assertEqual(reducer.graph.number_of_edges(), 4)
self.assertAlmostEqual(rAB, self.final_rate, 7)
self.assertAlmostEqual(rBA, self.final_rate, 7)
def do_check(self, A, B, nnodes=20, nedges=20):
maker = _MakeRandomGraph(nnodes=20, nedges=20, node_set=A+B)
graph = maker.run()
reducer = GraphReduction(maker.rates, A, B, debug=False)
reducer.check_graph()
reducer.compute_rates()
rAB = reducer.get_rate_AB()
rBA = reducer.get_rate_BA()
reducer.check_graph()
self.assertEqual(reducer.graph.number_of_nodes(), len(A) + len(B))
if len(A) == 1 and len(B) == 1:
self.assertLessEqual(reducer.graph.number_of_edges(), 4)