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https://github.com/psycopg/psycopg2.git
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fcc083dc12
There is no need to import testutils.unittest instead of simply unittest. They are simple aliases. Use system unittest to be more regular, consistent as well as idiomatic with the wider Python community.
73 lines
2.2 KiB
Python
Executable File
73 lines
2.2 KiB
Python
Executable File
#!/usr/bin/env python
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# test_errcodes.py - unit test for psycopg2.errcodes module
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#
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# Copyright (C) 2015 Daniele Varrazzo <daniele.varrazzo@gmail.com>
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#
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# psycopg2 is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# In addition, as a special exception, the copyright holders give
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# permission to link this program with the OpenSSL library (or with
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# modified versions of OpenSSL that use the same license as OpenSSL),
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# and distribute linked combinations including the two.
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#
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# You must obey the GNU Lesser General Public License in all respects for
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# all of the code used other than OpenSSL.
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#
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# psycopg2 is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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# License for more details.
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import unittest
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from testutils import ConnectingTestCase, slow
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try:
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reload
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except NameError:
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try:
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from importlib import reload
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except ImportError:
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from imp import reload
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from threading import Thread
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from psycopg2 import errorcodes
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class ErrocodeTests(ConnectingTestCase):
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@slow
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def test_lookup_threadsafe(self):
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# Increase if it does not fail with KeyError
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MAX_CYCLES = 2000
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errs = []
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def f(pg_code='40001'):
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try:
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errorcodes.lookup(pg_code)
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except Exception as e:
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errs.append(e)
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for __ in xrange(MAX_CYCLES):
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reload(errorcodes)
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(t1, t2) = (Thread(target=f), Thread(target=f))
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(t1.start(), t2.start())
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(t1.join(), t2.join())
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if errs:
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self.fail(
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"raised %s errors in %s cycles (first is %s %s)" % (
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len(errs), MAX_CYCLES,
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errs[0].__class__.__name__, errs[0]))
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def test_suite():
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return unittest.TestLoader().loadTestsFromName(__name__)
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if __name__ == "__main__":
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unittest.main()
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