def test_integers(self):
b = Backoff(min_ms=100, max_ms=10000, factor=2)
self.assertEqual(b.duration(), to_seconds(100.0))
self.assertEqual(b.duration(), to_seconds(200.0))
self.assertEqual(b.duration(), to_seconds(400.0))
b.reset()
self.assertEqual(b.duration(), to_seconds(100.0))
def test_factor(self):
b = Backoff(min_ms=100, max_ms=10000, factor=1.5)
self.assertEqual(b.duration(), to_seconds(100.0))
self.assertEqual(b.duration(), to_seconds(150.0))
self.assertEqual(b.duration(), to_seconds(225.0))
b.reset()
self.assertEqual(b.duration(), to_seconds(100.0))
def test_get_attempt(self):
self.assertEqual(self.b.attempt(), 0)
self.assertEqual(self.b.duration(), to_seconds(100.0))
self.assertEqual(self.b.attempt(), 1)
self.assertEqual(self.b.duration(), to_seconds(200.0))
self.assertEqual(self.b.attempt(), 2)
self.assertEqual(self.b.duration(), to_seconds(400.0))
self.assertEqual(self.b.attempt(), 3)
self.b.reset()
self.assertEqual(self.b.attempt(), 0)
self.assertEqual(self.b.duration(), to_seconds(100.0))
self.assertEqual(self.b.attempt(), 1)
def test_jitter(self):
b = Backoff(min_ms=100.0, max_ms=10000.0, factor=2.0, jitter=True)
self.assertEqual(b.duration(), to_seconds(100.0))
self.assert_between(b.duration(), to_seconds(100.0), to_seconds(200.0))
self.assert_between(b.duration(), to_seconds(100.0), to_seconds(400.0))
b.reset()
self.assertEqual(b.duration(), to_seconds(100.0))
def test_for_attempt(self):
self.assertEqual(self.b.for_attempt(0), to_seconds(100.0))
self.assertEqual(self.b.for_attempt(1), to_seconds(200.0))
self.assertEqual(self.b.for_attempt(2), to_seconds(400.0))
self.b.reset()
self.assertEqual(self.b.for_attempt(0), to_seconds(100.0))
def test_defaults(self):
self.assertEqual(self.b.duration(), to_seconds(100.0))
self.assertEqual(self.b.duration(), to_seconds(200.0))
self.assertEqual(self.b.duration(), to_seconds(400.0))
self.b.reset()
self.assertEqual(self.b.duration(), to_seconds(100.0))