def test_decrement_sixty_seconds_to_time(self):
srt = SrtMod('sub.srt', 60, 'S', 'D')
part = '00:01:03,000'
begin = re.match(r'(\d+):(\d+):(\d+),(\d{3})', part)
mod = srt.mod_time(begin)
self.assertEqual('00:00:03,000', mod)
def test_increment_fiften_seconds_to_time(self):
srt = SrtMod('sub.srt', 15)
part = '00:00:03,000'
begin = re.match(r'(\d+):(\d+):(\d+),(\d{3})', part)
mod = srt.mod_time(begin)
self.assertEqual('00:00:18,000', mod)
