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75 lines
2.1 KiB
Python
75 lines
2.1 KiB
Python
import unittest
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from redis import Redis
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from logbook import NullHandler
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from rq import push_connection, pop_connection
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def find_empty_redis_database():
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"""Tries to connect to a random Redis database (starting from 4), and
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will use/connect it when no keys are in there.
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"""
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for dbnum in range(4, 17):
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testconn = Redis(db=dbnum)
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empty = len(testconn.keys('*')) == 0
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if empty:
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return testconn
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assert False, 'No empty Redis database found to run tests in.'
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def slow(f):
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import os
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from functools import wraps
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@wraps(f)
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def _inner(*args, **kwargs):
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if os.environ.get('ONLY_RUN_FAST_TESTS'):
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f(*args, **kwargs)
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return _inner
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class RQTestCase(unittest.TestCase):
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"""Base class to inherit test cases from for RQ.
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It sets up the Redis connection (available via self.testconn), turns off
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logging to the terminal and flushes the Redis database before and after
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running each test.
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Also offers assertQueueContains(queue, that_func) assertion method.
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"""
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@classmethod
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def setUpClass(cls):
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# Set up connection to Redis
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testconn = find_empty_redis_database()
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push_connection(testconn)
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# Store the connection (for sanity checking)
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cls.testconn = testconn
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# Shut up logbook
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cls.log_handler = NullHandler()
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cls.log_handler.push_thread()
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def setUp(self):
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# Flush beforewards (we like our hygiene)
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self.testconn.flushdb()
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def tearDown(self):
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# Flush afterwards
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self.testconn.flushdb()
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# Implement assertIsNotNone for Python runtimes < 2.7 or < 3.1
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if not hasattr(unittest.TestCase, 'assertIsNotNone'):
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def assertIsNotNone(self, value, *args):
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self.assertNotEqual(value, None, *args)
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@classmethod
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def tearDownClass(cls):
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cls.log_handler.pop_thread()
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# Pop the connection to Redis
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testconn = pop_connection()
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assert testconn == cls.testconn, 'Wow, something really nasty ' \
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'happened to the Redis connection stack. Check your setup.'
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