karbor/karbor/tests/unit/test_exception.py

107 lines
4.0 KiB
Python

# 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 six.moves import http_client
from karbor import exception
from karbor.tests import base
import mock
import six
import webob.util
class KarborExceptionTestCase(base.TestCase):
def test_default_error_msg(self):
class FakeKarborException(exception.KarborException):
message = "default message"
exc = FakeKarborException()
self.assertEqual('default message', six.text_type(exc))
def test_error_msg(self):
self.assertEqual('test',
six.text_type(exception.KarborException('test')))
def test_default_error_msg_with_kwargs(self):
class FakeKarborException(exception.KarborException):
message = "default message: %(code)s"
exc = FakeKarborException(code=500)
self.assertEqual('default message: 500', six.text_type(exc))
def test_error_msg_exception_with_kwargs(self):
# NOTE(dprince): disable format errors for this test
self.flags(fatal_exception_format_errors=False)
class FakeKarborException(exception.KarborException):
message = "default message: %(misspelled_code)s"
exc = FakeKarborException(code=http_client.INTERNAL_SERVER_ERROR)
self.assertEqual('default message: %(misspelled_code)s',
six.text_type(exc))
def test_default_error_code(self):
class FakeKarborException(exception.KarborException):
code = http_client.NOT_FOUND
exc = FakeKarborException()
self.assertEqual(http_client.NOT_FOUND, exc.kwargs['code'])
def test_error_code_from_kwarg(self):
class FakeKarborException(exception.KarborException):
code = http_client.INTERNAL_SERVER_ERROR
exc = FakeKarborException(code=http_client.NOT_FOUND)
self.assertEqual(http_client.NOT_FOUND, exc.kwargs['code'])
def test_error_msg_is_exception_to_string(self):
msg = 'test message'
exc1 = Exception(msg)
exc2 = exception.KarborException(exc1)
self.assertEqual(msg, exc2.msg)
def test_message_in_format_string(self):
class FakeKarborException(exception.KarborException):
message = 'FakeKarborException: %(message)s'
exc = FakeKarborException(message='message')
self.assertEqual('message', six.text_type(exc))
def test_message_and_kwarg_in_format_string(self):
class FakeKarborException(exception.KarborException):
message = 'Error %(code)d: %(msg)s'
exc = FakeKarborException(code=http_client.NOT_FOUND, msg='message')
self.assertEqual('Error 404: message', six.text_type(exc))
class KarborConvertedExceptionTestCase(base.TestCase):
def test_default_args(self):
exc = exception.ConvertedException()
self.assertNotEqual('', exc.title)
self.assertEqual(http_client.INTERNAL_SERVER_ERROR, exc.code)
self.assertEqual('', exc.explanation)
def test_standard_status_code(self):
with mock.patch.dict(webob.util.status_reasons, {200: 'reason'}):
exc = exception.ConvertedException(code=200)
self.assertEqual('reason', exc.title)
@mock.patch.dict(webob.util.status_reasons,
{http_client.INTERNAL_SERVER_ERROR: 'reason'})
def test_generic_status_code(self):
with mock.patch.dict(webob.util.status_generic_reasons,
{5: 'generic_reason'}):
exc = exception.ConvertedException(code=599)
self.assertEqual('generic_reason', exc.title)