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test_celery.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2013 CERN.
##
## Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""
Invenio Celery unit tests
"""
from __future__ import absolute_import
# Invenio runs tests as standalone modules, instead of from their package
# hierarchy. This means that this test module is executed as if you ran
# 'python celery_unit_tests.py'. This causes the directory of this file to be added
# to the sys.path. This causes the module invenio.celery to be importable
# as just 'celery' since modules/miscutil/lib is now in sys.path. Thus, the real
# celery package is no longer importable, causing an import error in
# invenio.celery. Solutions could be to rename invenio.celery, however then you
# cannot start celery workers with 'celeryd -A invenio' and must use something
# like 'celeryd -A invenio.<new name>.celery' instead.
#
# Below lines removes the directory of this file from the sys.path so modules
# are imported from their proper location.
import sys
import os
from distutils.sysconfig import get_python_lib
EXCLUDE = [
'',
os.path.dirname(os.path.abspath(__file__)),
os.path.join(get_python_lib(), 'invenio'),
]
sys.path = filter(
lambda x: x not in EXCLUDE,
sys.path
)
from invenio.testsuite import make_test_suite, run_test_suite, InvenioTestCase
from invenio.celery import celery
class CeleryTest(InvenioTestCase):
def setUp(self):
# Execute tasks synchronously
celery.conf.CELERY_ALWAYS_EAGER = True
# Set in-memory result backend
celery.conf.CELERY_RESULT_BACKEND = 'cache'
celery.conf.CELERY_CACHE_BACKEND = 'memory'
# Don't silence exceptions in tasks.
celery.conf.CELERY_EAGER_PROPAGATES_EXCEPTIONS = True
# Trigger task registering (this is done by the worker, to register all tasks)
celery.loader.import_default_modules()
def test_loader(self):
""" Test if `workers.py` files are correctly registered. """
self.assertTrue('invenio.celery.tasks.invenio_version' in celery.tasks)
def test_task_invenio_version(self):
""" Test calling of tasks """
from invenio.config import CFG_VERSION
from invenio.celery.tasks import invenio_version
# Call task function without celery
self.assertEqual(invenio_version(), CFG_VERSION)
# Call task via Celery machinery
self.assertEqual(invenio_version.delay().get(), CFG_VERSION)
def test_task_invenio_db_test(self):
""" Test Flask request context in tasks """
from invenio.celery.tasks import invenio_db_test
# Call task via Celery machinery
self.assertEqual(invenio_db_test.delay(1).get(), 1)
self.assertEqual(invenio_db_test.delay(2).get(), 2)
self.assertEqual(invenio_db_test.delay(3).get(), 3)
# Call task without Celery machinery.
with celery.loader.flask_app.test_request_context():
self.assertEqual(invenio_db_test(1), 1)
TEST_SUITE = make_test_suite(CeleryTest)
if __name__ == "__main__":
run_test_suite(TEST_SUITE)

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