text: import unittest
  
  from chewie.timer import Timer
  
  class TimerTestCase(unittest.TestCase):
      def test_timer_is_off_by_default(self):
          timer = Timer(60)
          self.assertFalse(timer.running())
  
      def test_timer_expires(self):
          base_tick = 10000
          timer_count = 60
          timer = Timer(timer_count)
          self.assertFalse(timer.expired(base_tick))
          self.assertFalse(timer.expired(base_tick+timer_count-1))
          self.assertFalse(timer.expired(base_tick+timer_count+1))
          timer.reset(base_tick)
          self.assertTrue(timer.running())
          self.assertFalse(timer.expired(base_tick))
          self.assertFalse(timer.expired(base_tick+timer_count-1))
          self.assertTrue(timer.expired(base_tick+timer_count+1))
          timer.stop()
          self.assertFalse(timer.expired(base_tick))
          self.assertFalse(timer.expired(base_tick+timer_count-1))
          self.assertFalse(timer.expired(base_tick+timer_count+1))
  