text: from unittest import TestCase
  
  from ExploreExploit import EpsilonGreedy as eg
  
  
  class TestSimulate(TestCase):
      def test_simulate(self):
          # test the exception raising behaviour
          with self.assertRaises(ValueError):
              eg.simulate(1, 2, 3, epsilon=100, n=999)
              eg.simulate(1, 2, 3, n=-100)
  
          # test the method
          val = eg.simulate(2, 2, 2, epsilon=0.2, n=3)
  
          # I have checked that the values are consistent. here, I just check the shape
          # of the obtained cumulative_averages
          self.assertEqual(len(val), 3)
  