def test_equiv(self):
s = 'abrab' + st.DELIMIT
ec = st.equivalence_classes(s)
ss = set()
for x in ec:
for y in list(st.pincer(s, x.pos, x.minimal)):
if y.find(st.DELIMIT) < 0:
ss.add(y)
#print 'pincer', list(st.pincer(s, x.pos, x.minimal)), x
self.assertEqual(sorted(set(all_substrings(s[0:len(s)-1]))), sorted(ss))
def test_pincer(self):
s = 'ABCDE'
q = 'BCD'
m = 'C'
self.assertEqual(['BC', 'C', 'BCD', 'CD'], list(st.pincer(s, get_pos(s, q), [get_pos(s, m)])))
def test_pincer0(self):
p1 = st.pincer(' ABCDEF', (1,3), [(1,2)])
p2 = st.pincer('ABCDEF', (0,2), [(0,1)])
self.assertEqual(list(p1), list(p2))
