91 lines
3.5 KiB
Python
91 lines
3.5 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
|
|
#
|
|
# 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.
|
|
|
|
"""Tests the StateTracker"""
|
|
|
|
import mock
|
|
import multiprocessing
|
|
import threading
|
|
import time
|
|
import unittest
|
|
|
|
from monasca_notification import state_tracker
|
|
|
|
|
|
class TestStateTracker(unittest.TestCase):
|
|
def setUp(self):
|
|
self.finished_queue = multiprocessing.Queue(10)
|
|
with mock.patch('kazoo.client.KazooClient') as self.mock_zk:
|
|
self.mock_zk.return_value = self.mock_zk
|
|
self.tracker = state_tracker.ZookeeperStateTracker('url', 'topic', self.finished_queue, 1)
|
|
self.tracker.has_lock = True
|
|
self.tracker_thread = threading.Thread(target=self.tracker.run)
|
|
self.tracker_thread.daemon = True # needed for the thread to properly exit
|
|
|
|
def _feed_queue(self, test_list):
|
|
"""Feed the queue and start the state tracker.
|
|
"""
|
|
for item in test_list:
|
|
self.finished_queue.put(item)
|
|
|
|
self.tracker._offsets = {item[0]: 0 for item in test_list}
|
|
self.tracker_thread.start()
|
|
time.sleep(1)
|
|
|
|
def test_ordered(self):
|
|
"""Test a series of ordered finished offsets to make sure they are updated correctly
|
|
"""
|
|
test_list = [(0, 1), (0, 2), (1, 1), (1, 2)]
|
|
self._feed_queue(test_list)
|
|
|
|
expected_calls = [mock.call.set('/'.join([self.tracker.topic_path, str(partition)]), str(value))
|
|
for partition, value in test_list]
|
|
set_calls = [call for call in self.mock_zk.mock_calls if call.__str__().startswith('call.set')]
|
|
|
|
self.assertTrue(expected_calls == set_calls)
|
|
|
|
def test_unordered(self):
|
|
"""Test a series of unordered finished offsets to make sure they are updated in order
|
|
"""
|
|
unordered_test_list = [(0, 2), (0, 1), (1, 2), (1, 1)]
|
|
self._feed_queue(unordered_test_list)
|
|
|
|
commit_list = [(0, 2), (1, 2)]
|
|
expected_calls = [mock.call.set('/'.join([self.tracker.topic_path, str(partition)]), str(value))
|
|
for partition, value in commit_list]
|
|
set_calls = [call for call in self.mock_zk.mock_calls if call.__str__().startswith('call.set')]
|
|
|
|
self.assertTrue(expected_calls == set_calls)
|
|
|
|
def test_unordered_with_lag(self):
|
|
"""Test a series of unordered finished offsets with lag being received
|
|
"""
|
|
unordered_quick = [(0, 2), (1, 2)]
|
|
self._feed_queue(unordered_quick)
|
|
|
|
time.sleep(1) # sleep the lag period. and feed more
|
|
unordered_slow = [(0, 3), (1, 3)]
|
|
for item in unordered_slow:
|
|
self.finished_queue.put(item)
|
|
|
|
time.sleep(1) # wait for processing
|
|
|
|
commit_list = [(0, 3), (1, 3)]
|
|
expected_calls = [mock.call.set('/'.join([self.tracker.topic_path, str(partition)]), str(value))
|
|
for partition, value in commit_list]
|
|
set_calls = [call for call in self.mock_zk.mock_calls if call.__str__().startswith('call.set')]
|
|
|
|
self.assertTrue(expected_calls == set_calls)
|