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https://github.com/psycopg/psycopg2.git
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66 lines
2.0 KiB
Python
Executable File
66 lines
2.0 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) 2015-2019 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, 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 range(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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