420 lines
13 KiB
Python
420 lines
13 KiB
Python
import json
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import time
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import pytest
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from contextlib import contextmanager
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from datetime import datetime, timedelta
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from functools import wraps
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from data.database import QueueItem
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from data.queue import WorkQueue, MINIMUM_EXTENSION
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from test.fixtures import *
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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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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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@contextmanager
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def fake_transaction(arg):
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yield
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@pytest.fixture()
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def reporter():
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return SaveLastCountReporter()
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@pytest.fixture()
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def transaction_factory():
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return fake_transaction
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@pytest.fixture()
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def queue(reporter, transaction_factory, initialized_db):
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return AutoUpdatingQueue(WorkQueue(QUEUE_NAME, transaction_factory, reporter=reporter))
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def test_get_single_item(queue, reporter, transaction_factory):
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# Add a single item to the queue.
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queue.put(['abc', 'def'], TEST_MESSAGE_1, available_after=-1)
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# Have two "instances" retrieve an item to claim. Since there is only one, both calls should
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# return the same item.
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now = datetime.utcnow()
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first_item = queue._select_available_item(False, now)
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second_item = queue._select_available_item(False, now)
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assert first_item.id == second_item.id
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assert first_item.state_id == second_item.state_id
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# Have both "instances" now try to claim the item. Only one should succeed.
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first_claimed = queue._attempt_to_claim_item(first_item, now, 300)
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second_claimed = queue._attempt_to_claim_item(first_item, now, 300)
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assert first_claimed
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assert not second_claimed
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# Ensure the item is no longer available.
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assert queue.get() is None
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# Ensure the item's state ID has changed.
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assert first_item.state_id != QueueItem.get().state_id
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def test_extend_processing(queue, reporter, transaction_factory):
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# Add and retrieve a queue item.
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queue.put(['abc', 'def'], TEST_MESSAGE_1, available_after=-1)
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queue_item = queue.get(processing_time=10)
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assert queue_item is not None
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existing_db_item = QueueItem.get(id=queue_item.id)
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# Call extend processing with a timedelta less than the minimum and ensure its
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# processing_expires and state_id do not change.
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changed = queue.extend_processing(queue_item, 10 + MINIMUM_EXTENSION.total_seconds() - 1)
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assert not changed
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updated_db_item = QueueItem.get(id=queue_item.id)
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assert existing_db_item.processing_expires == updated_db_item.processing_expires
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assert existing_db_item.state_id == updated_db_item.state_id
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# Call extend processing with a timedelta greater than the minimum and ensure its
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# processing_expires and state_id are changed.
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changed = queue.extend_processing(queue_item, 10 + MINIMUM_EXTENSION.total_seconds() + 1)
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assert changed
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updated_db_item = QueueItem.get(id=queue_item.id)
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assert existing_db_item.processing_expires != updated_db_item.processing_expires
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assert existing_db_item.state_id != updated_db_item.state_id
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# Call extend processing with a timedelta less than the minimum but also with new data and
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# ensure its processing_expires and state_id are changed.
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changed = queue.extend_processing(queue_item, 10 + MINIMUM_EXTENSION.total_seconds() - 1,
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updated_data='newbody')
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assert changed
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updated_db_item = QueueItem.get(id=queue_item.id)
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assert existing_db_item.processing_expires != updated_db_item.processing_expires
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assert existing_db_item.state_id != updated_db_item.state_id
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assert updated_db_item.body == 'newbody'
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def test_same_canonical_names(queue, reporter, transaction_factory):
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assert reporter.currently_processing is None
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assert reporter.running_count is None
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assert reporter.total is None
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id_1 = int(queue.put(['abc', 'def'], TEST_MESSAGE_1, available_after=-1))
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id_2 = int(queue.put(['abc', 'def'], TEST_MESSAGE_2, available_after=-1))
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assert id_1 + 1 == id_2
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assert not reporter.currently_processing
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assert reporter.running_count == 0
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assert reporter.total == 1
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one = queue.get(ordering_required=True)
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assert one is not None
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assert one.body == TEST_MESSAGE_1
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assert reporter.currently_processing
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assert reporter.running_count == 1
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assert reporter.total == 1
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two_fail = queue.get(ordering_required=True)
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assert two_fail is None
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assert reporter.running_count == 1
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assert reporter.total == 1
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queue.complete(one)
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assert not reporter.currently_processing
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assert reporter.running_count == 0
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assert reporter.total == 1
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two = queue.get(ordering_required=True)
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assert two is not None
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assert reporter.currently_processing
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assert two.body == TEST_MESSAGE_2
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assert reporter.running_count == 1
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assert reporter.total == 1
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def test_different_canonical_names(queue, reporter, transaction_factory):
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queue.put(['abc', 'def'], TEST_MESSAGE_1, available_after=-1)
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queue.put(['abc', 'ghi'], TEST_MESSAGE_2, available_after=-1)
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assert reporter.running_count == 0
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assert reporter.total == 2
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one = queue.get(ordering_required=True)
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assert one is not None
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assert one.body == TEST_MESSAGE_1
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assert reporter.running_count == 1
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assert reporter.total == 2
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two = queue.get(ordering_required=True)
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assert two is not None
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assert two.body == TEST_MESSAGE_2
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assert reporter.running_count == 2
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assert reporter.total == 2
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def test_canonical_name(queue, reporter, transaction_factory):
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queue.put(['abc', 'def'], TEST_MESSAGE_1, available_after=-1)
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queue.put(['abc', 'def', 'ghi'], TEST_MESSAGE_1, available_after=-1)
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one = queue.get(ordering_required=True)
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assert QUEUE_NAME + '/abc/def/' != one
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two = queue.get(ordering_required=True)
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assert QUEUE_NAME + '/abc/def/ghi/' != two
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def test_expiration(queue, reporter, transaction_factory):
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queue.put(['abc', 'def'], TEST_MESSAGE_1, available_after=-1)
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assert reporter.running_count == 0
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assert reporter.total == 1
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one = queue.get(processing_time=0.5, ordering_required=True)
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assert one is not None
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assert reporter.running_count == 1
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assert reporter.total == 1
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one_fail = queue.get(ordering_required=True)
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assert one_fail is None
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time.sleep(1)
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queue.update_metrics()
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assert reporter.running_count == 0
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assert reporter.total == 1
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one_again = queue.get(ordering_required=True)
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assert one_again is not None
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assert reporter.running_count == 1
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assert reporter.total == 1
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def test_alive(queue, reporter, transaction_factory):
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# No queue item = not alive.
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assert not queue.alive(['abc', 'def'])
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# Add a queue item.
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queue.put(['abc', 'def'], TEST_MESSAGE_1, available_after=-1)
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assert queue.alive(['abc', 'def'])
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# Retrieve the queue item.
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queue_item = queue.get()
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assert queue_item is not None
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assert queue.alive(['abc', 'def'])
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# Make sure it is running by trying to retrieve it again.
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assert queue.get() is None
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# Delete the queue item.
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queue.complete(queue_item)
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assert not queue.alive(['abc', 'def'])
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def test_specialized_queue(queue, reporter, transaction_factory):
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queue.put(['abc', 'def'], TEST_MESSAGE_1, available_after=-1)
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queue.put(['def', 'def'], TEST_MESSAGE_2, available_after=-1)
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my_queue = AutoUpdatingQueue(WorkQueue(QUEUE_NAME, transaction_factory, ['def']))
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two = my_queue.get(ordering_required=True)
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assert two is not None
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assert two.body == TEST_MESSAGE_2
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one_fail = my_queue.get(ordering_required=True)
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assert one_fail is None
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one = queue.get(ordering_required=True)
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assert one is not None
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assert one.body == TEST_MESSAGE_1
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def test_random_queue_no_duplicates(queue, reporter, transaction_factory):
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for msg in TEST_MESSAGES:
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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 = 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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assert msg not in seen
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seen.add(msg)
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for body in TEST_MESSAGES:
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json_body = json.loads(body)
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msg = str(json_body['data'])
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assert msg in seen
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def test_bulk_insert(queue, reporter, transaction_factory):
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assert reporter.currently_processing is None
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assert reporter.running_count is None
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assert reporter.total is None
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with queue.batch_insert() as queue_put:
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queue_put(['abc', 'def'], TEST_MESSAGE_1, available_after=-1)
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queue_put(['abc', 'def'], TEST_MESSAGE_2, available_after=-1)
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queue.update_metrics()
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assert not reporter.currently_processing
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assert reporter.running_count == 0
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assert reporter.total == 1
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with queue.batch_insert() as queue_put:
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queue_put(['abd', 'def'], TEST_MESSAGE_1, available_after=-1)
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queue_put(['abd', 'ghi'], TEST_MESSAGE_2, available_after=-1)
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queue.update_metrics()
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assert not reporter.currently_processing
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assert reporter.running_count == 0
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assert reporter.total == 3
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def test_num_available_between(queue, reporter, transaction_factory):
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now = datetime.utcnow()
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queue.put(['abc', 'def'], TEST_MESSAGE_1, available_after=-10)
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queue.put(['abc', 'ghi'], TEST_MESSAGE_2, available_after=-5)
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# Partial results
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count = queue.num_available_jobs_between(now-timedelta(seconds=8), now, ['abc'])
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assert count == 1
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# All results
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count = queue.num_available_jobs_between(now-timedelta(seconds=20), now, ['/abc'])
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assert count == 2
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# No results
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count = queue.num_available_jobs_between(now, now, 'abc')
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assert count == 0
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def test_incomplete(queue, reporter, transaction_factory):
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# Add an item.
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queue.put(['somenamespace', 'abc', 'def'], TEST_MESSAGE_1, available_after=-10)
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now = datetime.utcnow()
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count = queue.num_available_jobs_between(now - timedelta(seconds=60), now, ['/somenamespace'])
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assert count == 1
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# Retrieve it.
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item = queue.get()
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assert item is not None
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assert reporter.currently_processing
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# Mark it as incomplete.
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queue.incomplete(item, retry_after=-1)
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assert not reporter.currently_processing
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# Retrieve again to ensure it is once again available.
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same_item = queue.get()
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assert same_item is not None
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assert reporter.currently_processing
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assert item.id == same_item.id
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def test_complete(queue, reporter, transaction_factory):
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# Add an item.
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queue.put(['somenamespace', 'abc', 'def'], TEST_MESSAGE_1, available_after=-10)
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now = datetime.utcnow()
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count = queue.num_available_jobs_between(now - timedelta(seconds=60), now, ['/somenamespace'])
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assert count == 1
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# Retrieve it.
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item = queue.get()
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assert item is not None
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assert reporter.currently_processing
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# Mark it as complete.
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queue.complete(item)
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assert not reporter.currently_processing
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def test_cancel(queue, reporter, transaction_factory):
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# Add an item.
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queue.put(['somenamespace', 'abc', 'def'], TEST_MESSAGE_1, available_after=-10)
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queue.put(['somenamespace', 'abc', 'def'], TEST_MESSAGE_2, available_after=-5)
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now = datetime.utcnow()
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count = queue.num_available_jobs_between(now - timedelta(seconds=60), now, ['/somenamespace'])
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assert count == 2
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# Retrieve it.
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item = queue.get()
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assert item is not None
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# Make sure we can cancel it.
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assert queue.cancel(item.id)
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now = datetime.utcnow()
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count = queue.num_available_jobs_between(now - timedelta(seconds=60), now, ['/somenamespace'])
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assert count == 1
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# Make sure it is gone.
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assert not queue.cancel(item.id)
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def test_deleted_namespaced_items(queue, reporter, transaction_factory):
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queue = AutoUpdatingQueue(WorkQueue(QUEUE_NAME, transaction_factory,
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reporter=reporter,
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has_namespace=True))
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queue.put(['somenamespace', 'abc', 'def'], TEST_MESSAGE_1, available_after=-10)
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queue.put(['somenamespace', 'abc', 'ghi'], TEST_MESSAGE_2, available_after=-5)
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queue.put(['anothernamespace', 'abc', 'def'], TEST_MESSAGE_1, available_after=-10)
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# Ensure we have 2 items under `somenamespace` and 1 item under `anothernamespace`.
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now = datetime.utcnow()
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count = queue.num_available_jobs_between(now - timedelta(seconds=60), now, ['/somenamespace'])
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assert count == 2
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count = queue.num_available_jobs_between(now - timedelta(seconds=60), now, ['/anothernamespace'])
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assert count == 1
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# Delete all `somenamespace` items.
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queue.delete_namespaced_items('somenamespace')
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# Check the updated counts.
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count = queue.num_available_jobs_between(now - timedelta(seconds=60), now, ['/somenamespace'])
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assert count == 0
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count = queue.num_available_jobs_between(now - timedelta(seconds=60), now, ['/anothernamespace'])
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assert count == 1
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# Delete all `anothernamespace` items.
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queue.delete_namespaced_items('anothernamespace')
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# Check the updated counts.
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count = queue.num_available_jobs_between(now - timedelta(seconds=60), now, ['/somenamespace'])
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assert count == 0
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count = queue.num_available_jobs_between(now - timedelta(seconds=60), now, ['/anothernamespace'])
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assert count == 0
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