dragonflow/dragonflow/tests/unit/test_rate_limiter.py

41 lines
1.3 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import time
from dragonflow.common import utils
from dragonflow.tests import base as tests_base
class TestRateLimiter(tests_base.BaseTestCase):
def test_rate_limiter_oneshot(self):
rate_limiter = utils.RateLimiter(3, 5)
counter = 0
for idx in range(5):
if not rate_limiter():
counter += 1
self.assertEqual(3, counter)
time.sleep(5)
for idx in range(5):
if not rate_limiter():
counter += 1
self.assertEqual(6, counter)
def test_rate_limiter_continuus(self):
rate_limiter = utils.RateLimiter(3, 5)
counter = 0
for idx in range(11):
if not rate_limiter():
counter += 1
time.sleep(1)
self.assertEqual(7, counter)