00eafff747
add rate limiting to build queues
248 lines
8.6 KiB
Python
248 lines
8.6 KiB
Python
import unittest
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import json
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import time
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from datetime import datetime, timedelta
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from functools import wraps
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from app import app
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from initdb import setup_database_for_testing, finished_database_for_testing
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from data.queue import WorkQueue
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from datetime import timedelta
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QUEUE_NAME = 'testqueuename'
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class SaveLastCountReporter(object):
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def __init__(self):
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self.currently_processing = None
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self.running_count = None
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self.total = None
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def __call__(self, currently_processing, running_count, total_jobs):
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self.currently_processing = currently_processing
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self.running_count = running_count
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self.total = total_jobs
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class AutoUpdatingQueue(object):
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def __init__(self, queue_to_wrap):
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self._queue = queue_to_wrap
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def _wrapper(self, func):
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@wraps(func)
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def wrapper(*args, **kwargs):
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to_return = func(*args, **kwargs)
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self._queue.update_metrics()
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return to_return
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return wrapper
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def __getattr__(self, attr_name):
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method_or_attr = getattr(self._queue, attr_name)
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if callable(method_or_attr):
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return self._wrapper(method_or_attr)
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else:
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return method_or_attr
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class QueueTestCase(unittest.TestCase):
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TEST_MESSAGE_1 = json.dumps({'data': 1})
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TEST_MESSAGE_2 = json.dumps({'data': 2})
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TEST_MESSAGES = [json.dumps({'data': str(i)}) for i in range(1, 101)]
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def setUp(self):
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self.reporter = SaveLastCountReporter()
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self.transaction_factory = app.config['DB_TRANSACTION_FACTORY']
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self.queue = AutoUpdatingQueue(WorkQueue(QUEUE_NAME, self.transaction_factory,
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reporter=self.reporter))
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setup_database_for_testing(self)
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def tearDown(self):
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finished_database_for_testing(self)
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class TestQueue(QueueTestCase):
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def test_same_canonical_names(self):
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self.assertEqual(self.reporter.currently_processing, None)
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self.assertEqual(self.reporter.running_count, None)
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self.assertEqual(self.reporter.total, None)
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id_1 = int(self.queue.put(['abc', 'def'], self.TEST_MESSAGE_1, available_after=-1))
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id_2 = int(self.queue.put(['abc', 'def'], self.TEST_MESSAGE_2, available_after=-1))
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self.assertEqual(id_1 + 1, id_2)
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self.assertEqual(self.reporter.currently_processing, False)
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self.assertEqual(self.reporter.running_count, 0)
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self.assertEqual(self.reporter.total, 1)
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one = self.queue.get(ordering_required=True)
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self.assertNotEqual(None, one)
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self.assertEqual(self.TEST_MESSAGE_1, one.body)
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self.assertEqual(self.reporter.currently_processing, True)
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self.assertEqual(self.reporter.running_count, 1)
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self.assertEqual(self.reporter.total, 1)
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two_fail = self.queue.get(ordering_required=True)
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self.assertEqual(None, two_fail)
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self.assertEqual(self.reporter.running_count, 1)
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self.assertEqual(self.reporter.total, 1)
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self.queue.complete(one)
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self.assertEqual(self.reporter.currently_processing, False)
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self.assertEqual(self.reporter.running_count, 0)
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self.assertEqual(self.reporter.total, 1)
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two = self.queue.get(ordering_required=True)
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self.assertNotEqual(None, two)
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self.assertEqual(self.reporter.currently_processing, True)
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self.assertEqual(self.TEST_MESSAGE_2, two.body)
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self.assertEqual(self.reporter.running_count, 1)
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self.assertEqual(self.reporter.total, 1)
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def test_different_canonical_names(self):
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self.queue.put(['abc', 'def'], self.TEST_MESSAGE_1, available_after=-1)
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self.queue.put(['abc', 'ghi'], self.TEST_MESSAGE_2, available_after=-1)
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self.assertEqual(self.reporter.running_count, 0)
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self.assertEqual(self.reporter.total, 2)
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one = self.queue.get(ordering_required=True)
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self.assertNotEqual(None, one)
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self.assertEqual(self.TEST_MESSAGE_1, one.body)
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self.assertEqual(self.reporter.running_count, 1)
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self.assertEqual(self.reporter.total, 2)
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two = self.queue.get(ordering_required=True)
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self.assertNotEqual(None, two)
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self.assertEqual(self.TEST_MESSAGE_2, two.body)
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self.assertEqual(self.reporter.running_count, 2)
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self.assertEqual(self.reporter.total, 2)
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def test_canonical_name(self):
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self.queue.put(['abc', 'def'], self.TEST_MESSAGE_1, available_after=-1)
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self.queue.put(['abc', 'def', 'ghi'], self.TEST_MESSAGE_1, available_after=-1)
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one = self.queue.get(ordering_required=True)
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self.assertNotEqual(QUEUE_NAME + '/abc/def/', one)
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two = self.queue.get(ordering_required=True)
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self.assertNotEqual(QUEUE_NAME + '/abc/def/ghi/', two)
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def test_expiration(self):
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self.queue.put(['abc', 'def'], self.TEST_MESSAGE_1, available_after=-1)
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self.assertEqual(self.reporter.running_count, 0)
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self.assertEqual(self.reporter.total, 1)
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one = self.queue.get(processing_time=0.5, ordering_required=True)
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self.assertNotEqual(None, one)
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self.assertEqual(self.reporter.running_count, 1)
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self.assertEqual(self.reporter.total, 1)
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one_fail = self.queue.get(ordering_required=True)
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self.assertEqual(None, one_fail)
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time.sleep(1)
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self.queue.update_metrics()
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self.assertEqual(self.reporter.running_count, 0)
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self.assertEqual(self.reporter.total, 1)
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one_again = self.queue.get(ordering_required=True)
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self.assertNotEqual(None, one_again)
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self.assertEqual(self.reporter.running_count, 1)
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self.assertEqual(self.reporter.total, 1)
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def test_alive(self):
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# No queue item = not alive.
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self.assertFalse(self.queue.alive(['abc', 'def']))
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# Add a queue item.
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self.queue.put(['abc', 'def'], self.TEST_MESSAGE_1, available_after=-1)
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self.assertTrue(self.queue.alive(['abc', 'def']))
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# Retrieve the queue item.
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queue_item = self.queue.get()
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self.assertIsNotNone(queue_item)
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self.assertTrue(self.queue.alive(['abc', 'def']))
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# Make sure it is running by trying to retrieve it again.
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self.assertIsNone(self.queue.get())
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# Delete the queue item.
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self.queue.complete(queue_item)
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self.assertFalse(self.queue.alive(['abc', 'def']))
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def test_specialized_queue(self):
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self.queue.put(['abc', 'def'], self.TEST_MESSAGE_1, available_after=-1)
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self.queue.put(['def', 'def'], self.TEST_MESSAGE_2, available_after=-1)
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my_queue = AutoUpdatingQueue(WorkQueue(QUEUE_NAME, self.transaction_factory, ['def']))
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two = my_queue.get(ordering_required=True)
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self.assertNotEqual(None, two)
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self.assertEqual(self.TEST_MESSAGE_2, two.body)
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one_fail = my_queue.get(ordering_required=True)
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self.assertEqual(None, one_fail)
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one = self.queue.get(ordering_required=True)
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self.assertNotEqual(None, one)
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self.assertEqual(self.TEST_MESSAGE_1, one.body)
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def test_random_queue_no_duplicates(self):
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for msg in self.TEST_MESSAGES:
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self.queue.put(['abc', 'def'], msg, available_after=-1)
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seen = set()
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for _ in range(1, 101):
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item = self.queue.get()
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json_body = json.loads(item.body)
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msg = str(json_body['data'])
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self.assertTrue(msg not in seen)
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seen.add(msg)
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for body in self.TEST_MESSAGES:
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json_body = json.loads(body)
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msg = str(json_body['data'])
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self.assertIn(msg, seen)
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def test_bulk_insert(self):
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self.assertEqual(self.reporter.currently_processing, None)
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self.assertEqual(self.reporter.running_count, None)
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self.assertEqual(self.reporter.total, None)
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with self.queue.batch_insert() as queue_put:
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queue_put(['abc', 'def'], self.TEST_MESSAGE_1, available_after=-1)
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queue_put(['abc', 'def'], self.TEST_MESSAGE_2, available_after=-1)
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self.queue.update_metrics()
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self.assertEqual(self.reporter.currently_processing, False)
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self.assertEqual(self.reporter.running_count, 0)
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self.assertEqual(self.reporter.total, 1)
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with self.queue.batch_insert() as queue_put:
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queue_put(['abd', 'def'], self.TEST_MESSAGE_1, available_after=-1)
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queue_put(['abd', 'ghi'], self.TEST_MESSAGE_2, available_after=-1)
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self.queue.update_metrics()
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self.assertEqual(self.reporter.currently_processing, False)
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self.assertEqual(self.reporter.running_count, 0)
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self.assertEqual(self.reporter.total, 3)
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def test_num_available_between(self):
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now = datetime.utcnow()
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self.queue.put(['abc', 'def'], self.TEST_MESSAGE_1, available_after=-10)
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self.queue.put(['abc', 'ghi'], self.TEST_MESSAGE_2, available_after=-5)
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# Partial results
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count = self.queue.num_available_jobs_between(now-timedelta(seconds=8), now, ['abc'])
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self.assertEqual(1, count)
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# All results
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count = self.queue.num_available_jobs_between(now-timedelta(seconds=20), now, ['/abc'])
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self.assertEqual(2, count)
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# No results
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count = self.queue.num_available_jobs_between(now, now, 'abc')
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self.assertEqual(0, count)
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if __name__ == '__main__':
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unittest.main()
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