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#!/usr/bin/env python
# test_errcodes.py - unit test for psycopg2.errcodes module
#
# Copyright (C) 2015-2019 Daniele Varrazzo <daniele.varrazzo@gmail.com>
# Copyright (C) 2020-2021 The Psycopg Team
#
# psycopg2 is free software: you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# In addition, as a special exception, the copyright holders give
# permission to link this program with the OpenSSL library (or with
# modified versions of OpenSSL that use the same license as OpenSSL),
# and distribute linked combinations including the two.
#
# You must obey the GNU Lesser General Public License in all respects for
# all of the code used other than OpenSSL.
#
# psycopg2 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 Lesser General Public
# License for more details.
import unittest
from .testutils import ConnectingTestCase, slow, reload
from threading import Thread
from psycopg2 import errorcodes
class ErrocodeTests(ConnectingTestCase):
@slow
def test_lookup_threadsafe(self):
# Increase if it does not fail with KeyError
MAX_CYCLES = 2000
errs = []
def f(pg_code='40001'):
try:
errorcodes.lookup(pg_code)
except Exception as e:
errs.append(e)
for __ in range(MAX_CYCLES):
reload(errorcodes)
(t1, t2) = (Thread(target=f), Thread(target=f))
(t1.start(), t2.start())
(t1.join(), t2.join())
if errs:
self.fail(
"raised {} errors in {} cycles (first is {} {})".format(
len(errs), MAX_CYCLES,
errs[0].__class__.__name__, errs[0]))
def test_ambiguous_names(self):
self.assertEqual(
errorcodes.lookup('2F004'), "READING_SQL_DATA_NOT_PERMITTED")
self.assertEqual(
errorcodes.lookup('38004'), "READING_SQL_DATA_NOT_PERMITTED")
self.assertEqual(errorcodes.READING_SQL_DATA_NOT_PERMITTED, '38004')
self.assertEqual(errorcodes.READING_SQL_DATA_NOT_PERMITTED_, '2F004')
def test_suite():
return unittest.TestLoader().loadTestsFromName(__name__)
if __name__ == "__main__":
unittest.main()
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