OpenStack Study: test_exception.py

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# Copyright 2012 OpenStack Foundation

# 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.

import six

from glance.common import exception

from glance.tests import utils as test_utils

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class GlanceExceptionTestCase(test_utils.BaseTestCase):

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    def test_default_error_msg(self):

        class FakeGlanceException(exception.GlanceException):

            message = "default message"

        exc = FakeGlanceException()

        self.assertEqual(unicode(exc), 'default message')

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    def test_specified_error_msg(self):

        self.assertTrue('test' in unicode(exception.GlanceException('test')))

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    def test_default_error_msg_with_kwargs(self):

        class FakeGlanceException(exception.GlanceException):

            message = "default message: %(code)s"

        exc = FakeGlanceException(code=500)

        self.assertEqual(unicode(exc), "default message: 500")

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    def test_specified_error_msg_with_kwargs(self):

        self.assertTrue('test: 500' in

                        unicode(exception.GlanceException('test: %(code)s',

                                                          code=500)))

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    def test_non_unicode_error_msg(self):

        exc = exception.GlanceException(str('test'))

        self.assertIsInstance(six.text_type(exc), six.text_type)