diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/api/test_ratelimiting.py | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/tests/api/test_ratelimiting.py b/tests/api/test_ratelimiting.py index 18649c2c05..c86f783c5b 100644 --- a/tests/api/test_ratelimiting.py +++ b/tests/api/test_ratelimiting.py @@ -314,3 +314,77 @@ class TestRatelimiter(unittest.HomeserverTestCase): # Check that we get rate limited after using that token. self.assertFalse(consume_at(11.1)) + + def test_record_action_which_doesnt_fill_bucket(self) -> None: + limiter = Ratelimiter( + store=self.hs.get_datastores().main, clock=None, rate_hz=0.1, burst_count=3 + ) + + # Observe two actions, leaving room in the bucket for one more. + limiter.record_action(requester=None, key="a", n_actions=2, _time_now_s=0.0) + + # We should be able to take a new action now. + success, _ = self.get_success_or_raise( + limiter.can_do_action(requester=None, key="a", _time_now_s=0.0) + ) + self.assertTrue(success) + + # ... but not two. + success, _ = self.get_success_or_raise( + limiter.can_do_action(requester=None, key="a", _time_now_s=0.0) + ) + self.assertFalse(success) + + def test_record_action_which_fills_bucket(self) -> None: + limiter = Ratelimiter( + store=self.hs.get_datastores().main, clock=None, rate_hz=0.1, burst_count=3 + ) + + # Observe three actions, filling up the bucket. + limiter.record_action(requester=None, key="a", n_actions=3, _time_now_s=0.0) + + # We should be unable to take a new action now. + success, _ = self.get_success_or_raise( + limiter.can_do_action(requester=None, key="a", _time_now_s=0.0) + ) + self.assertFalse(success) + + # If we wait 10 seconds to leak a token, we should be able to take one action... + success, _ = self.get_success_or_raise( + limiter.can_do_action(requester=None, key="a", _time_now_s=10.0) + ) + self.assertTrue(success) + + # ... but not two. + success, _ = self.get_success_or_raise( + limiter.can_do_action(requester=None, key="a", _time_now_s=10.0) + ) + self.assertFalse(success) + + def test_record_action_which_overfills_bucket(self) -> None: + limiter = Ratelimiter( + store=self.hs.get_datastores().main, clock=None, rate_hz=0.1, burst_count=3 + ) + + # Observe four actions, exceeding the bucket. + limiter.record_action(requester=None, key="a", n_actions=4, _time_now_s=0.0) + + # We should be prevented from taking a new action now. + success, _ = self.get_success_or_raise( + limiter.can_do_action(requester=None, key="a", _time_now_s=0.0) + ) + self.assertFalse(success) + + # If we wait 10 seconds to leak a token, we should be unable to take an action + # because the bucket is still full. + success, _ = self.get_success_or_raise( + limiter.can_do_action(requester=None, key="a", _time_now_s=10.0) + ) + self.assertFalse(success) + + # But after another 10 seconds we leak a second token, giving us room for + # action. + success, _ = self.get_success_or_raise( + limiter.can_do_action(requester=None, key="a", _time_now_s=20.0) + ) + self.assertTrue(success) |