mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-11-10 19:16:34 +03:00
1d3a89a0bb
ag -l Copyright | xargs sed -i \
"s/\(.*copyright (C) [0-9]\+\)\(-[0-9]\+\)\?\(.*Psycopg Team.*\)/\1-$(date +%Y)\3/I"
95 lines
3.1 KiB
Python
Executable File
95 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
# test_errors.py - unit test for psycopg2.errors module
|
|
#
|
|
# Copyright (C) 2018-2019 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
|
|
|
|
import psycopg2
|
|
from psycopg2 import errors
|
|
from psycopg2._psycopg import sqlstate_errors
|
|
from psycopg2.errors import UndefinedTable
|
|
|
|
|
|
class ErrorsTests(ConnectingTestCase):
|
|
def test_exception_class(self):
|
|
cur = self.conn.cursor()
|
|
try:
|
|
cur.execute("select * from nonexist")
|
|
except psycopg2.Error as exc:
|
|
e = exc
|
|
|
|
self.assert_(isinstance(e, UndefinedTable), type(e))
|
|
self.assert_(isinstance(e, self.conn.ProgrammingError))
|
|
|
|
def test_exception_class_fallback(self):
|
|
cur = self.conn.cursor()
|
|
|
|
x = sqlstate_errors.pop('42P01')
|
|
try:
|
|
cur.execute("select * from nonexist")
|
|
except psycopg2.Error as exc:
|
|
e = exc
|
|
finally:
|
|
sqlstate_errors['42P01'] = x
|
|
|
|
self.assertEqual(type(e), self.conn.ProgrammingError)
|
|
|
|
def test_lookup(self):
|
|
self.assertIs(errors.lookup('42P01'), errors.UndefinedTable)
|
|
|
|
with self.assertRaises(KeyError):
|
|
errors.lookup('XXXXX')
|
|
|
|
def test_connection_exceptions_backwards_compatibility(self):
|
|
err = errors.lookup('08000')
|
|
# connection exceptions are classified as operational errors
|
|
self.assert_(issubclass(err, errors.OperationalError))
|
|
# previously these errors were classified only as DatabaseError
|
|
self.assert_(issubclass(err, errors.DatabaseError))
|
|
|
|
def test_has_base_exceptions(self):
|
|
excs = []
|
|
for n in dir(psycopg2):
|
|
obj = getattr(psycopg2, n)
|
|
if isinstance(obj, type) and issubclass(obj, Exception):
|
|
excs.append(obj)
|
|
|
|
self.assert_(len(excs) > 8, str(excs))
|
|
|
|
excs.append(psycopg2.extensions.QueryCanceledError)
|
|
excs.append(psycopg2.extensions.TransactionRollbackError)
|
|
|
|
for exc in excs:
|
|
self.assert_(hasattr(errors, exc.__name__))
|
|
self.assert_(getattr(errors, exc.__name__) is exc)
|
|
|
|
|
|
def test_suite():
|
|
return unittest.TestLoader().loadTestsFromName(__name__)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|