def test_tag_expansion_intermediate(self):
"""Checking the intermediate form of expansion."""
# check empty
self.assert_eq_rec({}, KPA.tag_closure([]))
#check sample
expected = {
0:{
0:set([]),
1:set([0,5]),
2:set([0,1,5]),
3:set([0,1,2,5]),
4:set([0,1,2,3,5]),
5:set([])
},
1:{
0:set([]),
1:set([0])
},
2:{
0:set([]),
1:set([0,2]),
2:set([])
}}
actual = KPA.tag_closure(self.sample_input_tagdag)
self.assertEqual(self.comparableClosure(expected),
self.comparableClosure(actual))
