def test_substitute(self):
e = Environment(a='a12defghia1xdefghia12defghi')
e.substitute_value('a', r'a(\d)[^C]', r'a\1C', count=2)
self.assertEqual(e.vars.a, 'a1Cdefghia1Cdefghia12defghi')
def test_substitute(self):
e = Environment(a='a12defghia1xdefghia12defghi')
e.substitute_value('a', r'a(\d)[^C]', r'a\1C', count=2)
self.assertEqual(e.vars.a, 'a1Cdefghia1Cdefghia12defghi')
