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# 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 context
from nova import exception
from nova import test
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.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, context, publisher, event, priority, payload):
self.provided_publisher = publisher
self.provided_event = event
self.provided_priority = priority
self.provided_payload = payload
self.provided_context = context
def good_function(self, context):
return 99
def bad_function_exception(self, context, extra, blah="a", boo="b", zoo=None):
raise test.TestingException()
class WrapExceptionTestCase(test.TestCase):
def test_wrap_exception_good_return(self):
wrapped = exception.wrap_exception()
self.assertEquals(99, wrapped(good_function)(1, 2))
def test_wrap_exception_throws_exception(self):
wrapped = exception.wrap_exception()
self.assertRaises(test.TestingException,
wrapped(bad_function_exception), 1, 2, 3)
def test_wrap_exception_with_notifier(self):
notifier = FakeNotifier()
wrapped = exception.wrap_exception(notifier, "publisher", "event",
"level")
ctxt = context.get_admin_context()
self.assertRaises(test.TestingException,
wrapped(bad_function_exception), 1, ctxt, 3, zoo=3)
self.assertEquals(notifier.provided_publisher, "publisher")
self.assertEquals(notifier.provided_event, "event")
self.assertEquals(notifier.provided_priority, "level")
self.assertEquals(notifier.provided_context, ctxt)
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), 1, 2, 3)
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_error_msg_exception_with_kwargs(self):
class FakeNovaException(exception.NovaException):
message = "default message: %(mispelled_code)s"
exc = FakeNovaException(code=500, mispelled_code='blah')
self.assertEquals(unicode(exc), 'default message: blah')
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)
def test_cleanse_dict(self):
kwargs = {'foo': 1, 'blah_pass': 2, 'zoo_password': 3, '_pass': 4}
self.assertEquals(exception._cleanse_dict(kwargs), {'foo': 1})
kwargs = {}
self.assertEquals(exception._cleanse_dict(kwargs), {})
def test_format_message_local(self):
class FakeNovaException(exception.NovaException):
message = "some message"
exc = FakeNovaException()
self.assertEquals(unicode(exc), exc.format_message())
def test_format_message_remote(self):
class FakeNovaException_Remote(exception.NovaException):
message = "some message"
def __unicode__(self):
return u"print the whole trace"
exc = FakeNovaException_Remote()
self.assertEquals(unicode(exc), u"print the whole trace")
self.assertEquals(exc.format_message(), "some message")
def test_format_message_remote_error(self):
class FakeNovaException_Remote(exception.NovaException):
message = "some message %(somearg)s"
def __unicode__(self):
return u"print the whole trace"
self.flags(fatal_exception_format_errors=False)
exc = FakeNovaException_Remote(lame_arg='lame')
self.assertEquals(exc.format_message(), "some message %(somearg)s")
class ExceptionTestCase(test.TestCase):
@staticmethod
def _raise_exc(exc):
raise exc()
def test_exceptions_raise(self):
# NOTE(dprince): disable format errors since we are not passing kwargs
self.flags(fatal_exception_format_errors=False)
for name in dir(exception):
exc = getattr(exception, name)
if isinstance(exc, type):
self.assertRaises(exc, self._raise_exc, exc)
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