class TestGraphBase(unittest.TestCase): def setUp(self): self.G=Graph([[None]]) self.costs={} # pair: cost dict. self.heads={0:()} self.tails={0:()} self.sources=(0,) self.sinks=(0,) self.order=1 def testCosts(self): # print(self.costs) for pair, c in self.costs.items(): # print(pair, c) self.assertEqual(self.G.cost(pair[0], pair[1]), c) def testHeads(self): for V, heads in self.heads.items(): self.assertEqual(tuple(self.G.heads(V)), heads) def testTails(self): for V, tails in self.tails.items(): self.assertEqual(tuple(self.G.tails(V)), tails) def testSources(self): self.assertEqual(tuple(self.G.sources()), self.sources) def testSinks(self): self.assertEqual(tuple(self.G.sinks()), self.sinks) def testOrder(self): self.assertEqual(self.G.order(), self.order)