nova/nova/tests/test_exception.py

134 lines
4.7 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# 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.
from nova import test
from nova import exception
class EC2APIErrorTestCase(test.TestCase):
def test_return_valid_error(self):
# without 'code' arg
err = exception.EC2APIError('fake error')
self.assertEqual(err.__str__(), 'fake error')
self.assertEqual(err.code, None)
self.assertEqual(err.msg, 'fake error')
# with 'code' arg
err = exception.EC2APIError('fake error', 'blah code')
self.assertEqual(err.__str__(), 'blah code: fake error')
self.assertEqual(err.code, 'blah code')
self.assertEqual(err.msg, 'fake error')
class FakeNotifier(object):
"""Acts like the nova.notifier.api module."""
ERROR = 88
def __init__(self):
self.provided_publisher = None
self.provided_event = None
self.provided_priority = None
self.provided_payload = None
def notify(self, publisher, event, priority, payload):
self.provided_publisher = publisher
self.provided_event = event
self.provided_priority = priority
self.provided_payload = payload
def good_function():
return 99
def bad_function_error():
raise exception.Error()
def bad_function_exception():
raise test.TestingException()
class WrapExceptionTestCase(test.TestCase):
def test_wrap_exception_good_return(self):
wrapped = exception.wrap_exception()
self.assertEquals(99, wrapped(good_function)())
def test_wrap_exception_throws_error(self):
wrapped = exception.wrap_exception()
self.assertRaises(exception.Error, wrapped(bad_function_error))
def test_wrap_exception_throws_exception(self):
wrapped = exception.wrap_exception()
self.assertRaises(test.TestingException,
wrapped(bad_function_exception))
def test_wrap_exception_with_notifier(self):
notifier = FakeNotifier()
wrapped = exception.wrap_exception(notifier, "publisher", "event",
"level")
self.assertRaises(test.TestingException,
wrapped(bad_function_exception))
self.assertEquals(notifier.provided_publisher, "publisher")
self.assertEquals(notifier.provided_event, "event")
self.assertEquals(notifier.provided_priority, "level")
for key in ['exception', 'args']:
self.assertTrue(key in notifier.provided_payload.keys())
def test_wrap_exception_with_notifier_defaults(self):
notifier = FakeNotifier()
wrapped = exception.wrap_exception(notifier)
self.assertRaises(test.TestingException,
wrapped(bad_function_exception))
self.assertEquals(notifier.provided_publisher, None)
self.assertEquals(notifier.provided_event, "bad_function_exception")
self.assertEquals(notifier.provided_priority, notifier.ERROR)
class NovaExceptionTestCase(test.TestCase):
def test_default_error_msg(self):
class FakeNovaException(exception.NovaException):
message = "default message"
exc = FakeNovaException()
self.assertEquals(unicode(exc), 'default message')
def test_error_msg(self):
self.assertEquals(unicode(exception.NovaException('test')),
'test')
def test_default_error_msg_with_kwargs(self):
class FakeNovaException(exception.NovaException):
message = "default message: %(code)s"
exc = FakeNovaException(code=500)
self.assertEquals(unicode(exc), 'default message: 500')
def test_default_error_code(self):
class FakeNovaException(exception.NovaException):
code = 404
exc = FakeNovaException()
self.assertEquals(exc.kwargs['code'], 404)
def test_error_code_from_kwarg(self):
class FakeNovaException(exception.NovaException):
code = 500
exc = FakeNovaException(code=404)
self.assertEquals(exc.kwargs['code'], 404)