def test_align(self):
# test for previous bug which caused unintended deletion of
# source/target nodes with the same name
gp = GraphMatching(self.banks, self.graphs)
nodes1 = Pair("1", "2")
nodes2 = Pair("2", "1")
rel = "equals"
gp.add_align(nodes1, rel)
gp.add_align(nodes2, rel)
gp.del_align(nodes1)
self.assertTrue(gp.get_align(nodes2))
def test_align(self):
gp = GraphMatching(self.banks, self.graphs)
nodes1 = Pair("1", "2")
nodes2 = Pair("2", "3")
nodes3 = Pair("1", "4")
rel = "equals"
gp.add_align(nodes1, rel)
self.assertTrue(gp.get_align(nodes1))
gp.add_align(nodes2, rel)
self.assertTrue(gp.get_align(nodes1))
self.assertTrue(gp.get_align(nodes2))
gp.add_align(nodes3, rel)
self.assertFalse(gp.get_align(nodes1))
self.assertTrue(gp.get_align(nodes2))
self.assertTrue(gp.get_align(nodes3))
gp.del_align(nodes2)
self.assertFalse(gp.get_align(nodes2))
self.assertFalse(gp.has_node("2"))
self.assertFalse(gp.has_node("3"))
gp.del_align(nodes3)
self.assertFalse(gp.nodes())
