# Copyright (c) 2013 Red Hat, Inc. # # 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 os import random import time from testtools import matchers from marconi.common import exceptions from marconi import storage from marconi.storage import mongodb from marconi.storage.mongodb import controllers from marconi.storage.mongodb import options as mongodb_options from marconi.storage.mongodb import utils from marconi.tests.storage import base from marconi.tests import util as testing class MongodbUtilsTest(testing.TestBase): def test_dup_marker_from_error(self): error_message = ('E11000 duplicate key error index: ' 'marconi.messages.$queue_marker dup key: ' '{ : ObjectId("51adff46b100eb85d8a93a2d"), : 3 }') marker = utils.dup_marker_from_error(error_message) self.assertEquals(marker, 3) error_message = ('E11000 duplicate key error index: ' 'marconi.messages.$x_y dup key: ' '{ : ObjectId("51adff46b100eb85d8a93a2d"), : 3 }') self.assertRaises(exceptions.PatternNotFound, utils.dup_marker_from_error, error_message) error_message = ('E11000 duplicate key error index: ' 'marconi.messages.$queue_marker dup key: ' '{ : ObjectId("51adff46b100eb85d8a93a2d") }') self.assertRaises(exceptions.PatternNotFound, utils.dup_marker_from_error, error_message) def test_calculate_backoff(self): sec = utils.calculate_backoff(0, 10, 2, 0) self.assertEquals(sec, 0) sec = utils.calculate_backoff(9, 10, 2, 0) self.assertEquals(sec, 1.8) sec = utils.calculate_backoff(4, 10, 2, 0) self.assertEquals(sec, 0.8) sec = utils.calculate_backoff(4, 10, 2, 1) if sec != 0.8: self.assertThat(sec, matchers.GreaterThan(0.8)) self.assertThat(sec, matchers.LessThan(1.8)) self.assertRaises(ValueError, utils.calculate_backoff, 0, 10, -2, -1) self.assertRaises(ValueError, utils.calculate_backoff, 0, 10, -2, 0) self.assertRaises(ValueError, utils.calculate_backoff, 0, 10, 2, -1) self.assertRaises(ValueError, utils.calculate_backoff, -2, -10, 2, 0) self.assertRaises(ValueError, utils.calculate_backoff, 2, -10, 2, 0) self.assertRaises(ValueError, utils.calculate_backoff, -2, 10, 2, 0) self.assertRaises(ValueError, utils.calculate_backoff, -1, 10, 2, 0) self.assertRaises(ValueError, utils.calculate_backoff, 10, 10, 2, 0) self.assertRaises(ValueError, utils.calculate_backoff, 11, 10, 2, 0) class MongodbDriverTest(testing.TestBase): def setUp(self): if not os.environ.get('MONGODB_TEST_LIVE'): self.skipTest('No MongoDB instance running') super(MongodbDriverTest, self).setUp() self.load_conf('wsgi_mongodb.conf') def test_db_instance(self): driver = mongodb.Driver() db = driver.db self.assertEquals(db.name, mongodb_options.CFG.database) class MongodbQueueTests(base.QueueControllerTest): driver_class = mongodb.Driver controller_class = controllers.QueueController def setUp(self): if not os.environ.get('MONGODB_TEST_LIVE'): self.skipTest('No MongoDB instance running') super(MongodbQueueTests, self).setUp() self.load_conf('wsgi_mongodb.conf') def tearDown(self): self.controller._col.drop() super(MongodbQueueTests, self).tearDown() def test_indexes(self): col = self.controller._col indexes = col.index_information() self.assertIn('p_1_n_1', indexes) def test_messages_purged(self): queue_name = 'test' self.controller.upsert(queue_name, {}) qid = self.controller._get_id(queue_name) self.message_controller.post(queue_name, [{'ttl': 60}], 1234) self.controller.delete(queue_name) col = self.message_controller._col self.assertEqual(col.find({'q': qid}).count(), 0) class MongodbMessageTests(base.MessageControllerTest): driver_class = mongodb.Driver controller_class = controllers.MessageController def setUp(self): if not os.environ.get('MONGODB_TEST_LIVE'): self.skipTest('No MongoDB instance running') super(MongodbMessageTests, self).setUp() self.load_conf('wsgi_mongodb.conf') def tearDown(self): self.controller._col.drop() super(MongodbMessageTests, self).tearDown() def _count_expired(self, queue, project=None): queue_id = self.queue_controller._get_id(queue, project) return self.controller._count_expired(queue_id) def test_indexes(self): col = self.controller._col indexes = col.index_information() self.assertIn('active', indexes) self.assertIn('claimed', indexes) self.assertIn('queue_marker', indexes) def test_next_marker(self): queue_name = 'marker_test' iterations = 10 self.queue_controller.upsert(queue_name, {}) queue_id = self.queue_controller._get_id(queue_name) seed_marker1 = self.controller._next_marker(queue_name) self.assertEqual(seed_marker1, 1, 'First marker is 1') for i in range(iterations): self.controller.post(queue_name, [{'ttl': 60}], 'uuid') marker1 = self.controller._next_marker(queue_id) marker2 = self.controller._next_marker(queue_id) marker3 = self.controller._next_marker(queue_id) self.assertEqual(marker1, marker2) self.assertEqual(marker2, marker3) self.assertEqual(marker1, i+2) def test_remove_expired(self): num_projects = 10 num_queues = 10 total_queues = num_projects * num_queues gc_threshold = mongodb_options.CFG.gc_threshold messages_per_queue = gc_threshold nogc_messages_per_queue = gc_threshold - 1 projects = ['gc-test-project-%s' % i for i in range(num_projects)] queue_names = ['gc-test-%s' % i for i in range(num_queues)] client_uuid = 'b623c53c-cf75-11e2-84e1-a1187188419e' messages = [{'ttl': 0, 'body': str(i)} for i in range(messages_per_queue)] for project in projects: for queue in queue_names: self.queue_controller.upsert(queue, {}, project) self.controller.post(queue, messages, client_uuid, project) # Add one that should not be gc'd due to being under threshold self.queue_controller.upsert('nogc-test', {}, 'nogc-test-project') nogc_messages = [{'ttl': 0, 'body': str(i)} for i in range(nogc_messages_per_queue)] self.controller.post('nogc-test', nogc_messages, client_uuid, 'nogc-test-project') total_expired = sum( self._count_expired(queue, project) for queue in queue_names for project in projects) self.assertEquals(total_expired, total_queues * messages_per_queue) self.controller.remove_expired() # Make sure the messages in this queue were not gc'd since # the count was under the threshold. self.assertEquals( self._count_expired('nogc-test', 'nogc-test-project'), len(nogc_messages)) total_expired = sum( self._count_expired(queue, project) for queue in queue_names for project in projects) # Expect that the most recent message for each queue # will not be removed. self.assertEquals(total_expired, total_queues) # Sanity-check that the most recent message is the # one remaining in the queue. queue = random.choice(queue_names) queue_id = self.queue_controller._get_id(queue, project) message = self.driver.db.messages.find_one({'q': queue_id}) self.assertEquals(message['k'], messages_per_queue) class MongodbClaimTests(base.ClaimControllerTest): driver_class = mongodb.Driver controller_class = controllers.ClaimController def setUp(self): if not os.environ.get('MONGODB_TEST_LIVE'): self.skipTest('No MongoDB instance running') super(MongodbClaimTests, self).setUp() self.load_conf('wsgi_mongodb.conf') def test_claim_doesnt_exist(self): """Verifies that operations fail on expired/missing claims. Methods should raise an exception when the claim doesn't exists and/or has expired. """ epoch = '000000000000000000000000' self.assertRaises(storage.exceptions.ClaimDoesNotExist, self.controller.get, self.queue_name, epoch, project=self.project) claim_id, messages = self.controller.create(self.queue_name, {'ttl': 1}, project=self.project) # Lets let it expire time.sleep(1) self.assertRaises(storage.exceptions.ClaimDoesNotExist, self.controller.update, self.queue_name, claim_id, {}, project=self.project) self.assertRaises(storage.exceptions.ClaimDoesNotExist, self.controller.update, self.queue_name, claim_id, {}, project=self.project)