def test_delay_with_rand_string(self):
delay = retryhandler.delay_exponential(base='rand',
growth_factor=2,
attempts=3)
# 2 ** (3 - 1) == 4, so the retry is between 0, 4.
self.assertTrue(0 <= delay <= 4)
def test_value_error_raised_with_non_positive_number(self):
with self.assertRaises(ValueError):
retryhandler.delay_exponential(base=-1,
growth_factor=2,
attempts=3)
def test_delay_with_numeric_base(self):
self.assertEqual(
retryhandler.delay_exponential(base=3, growth_factor=2,
attempts=3), 12)