oslo.messaging/oslo_messaging/tests/test_expected_exceptions.py
Andreas Jaeger 7f638bb493 Update hacking for Python3
The repo is Python 3 now, so update hacking to version 3.0 which
supports Python 3.

Update local hacking check for new flake8 version.

Blacklist:
W504 line break after binary operator

Fix:
E741 ambiguous variable name
E117 over-indented
E305 expected 2 blank lines after class or function definition, found 1
F841 local variable 'e' is assigned to but never used
W605 invalid escape sequence '\.'

Change-Id: I99d574ca6569f1f177d2c5ce1011f269f4343619
2020-03-30 13:49:29 +00:00

67 lines
2.1 KiB
Python

# Copyright 2012 OpenStack Foundation
# Copyright 2013 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import oslo_messaging
from oslo_messaging.tests import utils as test_utils
class TestExpectedExceptions(test_utils.BaseTestCase):
def test_exception(self):
e = None
try:
try:
raise ValueError()
except Exception:
raise oslo_messaging.ExpectedException()
except oslo_messaging.ExpectedException as e: # noqa: F841
self.assertIsInstance(e, oslo_messaging.ExpectedException)
self.assertTrue(hasattr(e, 'exc_info'))
self.assertIsInstance(e.exc_info[1], ValueError)
def test_decorator_expected(self):
class FooException(Exception):
pass
@oslo_messaging.expected_exceptions(FooException)
def naughty():
raise FooException()
self.assertRaises(oslo_messaging.ExpectedException, naughty)
def test_decorator_expected_subclass(self):
class FooException(Exception):
pass
class BarException(FooException):
pass
@oslo_messaging.expected_exceptions(FooException)
def naughty():
raise BarException()
self.assertRaises(oslo_messaging.ExpectedException, naughty)
def test_decorator_unexpected(self):
class FooException(Exception):
pass
@oslo_messaging.expected_exceptions(FooException)
def really_naughty():
raise ValueError()
self.assertRaises(ValueError, really_naughty)