def test_rule_applying():
r1 = Rule(pattern='b{2}', replacement='cc')
r2 = Rule(pattern='c{2}', replacement='dd')
r = Richtypo()
r.rules = [r1, r2]
r.text = 'abb'
r.apply_rule_chain()
assert r.text == 'add'
def test_rule_order():
"""
Check if rules are applyied in order they are supplied
"""
r1 = Rule(pattern='b{2}', replacement='cc')
r2 = Rule(pattern='c{2}', replacement='dd')
r = Richtypo()
r.rules = [r2, r1] # r2 works only after r1
r.text = 'abb'
r.apply_rule_chain()
assert r.text == 'acc' # so the text should not be changed