082787e5b2
Add unit tests for common json conversions and exception handling. Change-Id: I71ab992bb09114f4fd9c9752820ab57b4c51577a
80 lines
2.6 KiB
Python
80 lines
2.6 KiB
Python
# Copyright 2016 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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import unittest
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from monasca_common.rest.exceptions import DataConversionException
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from monasca_common.rest.exceptions import UnreadableContentError
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from monasca_common.rest.exceptions import UnsupportedContentTypeException
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from monasca_common.rest import utils
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class TestRestUtils(unittest.TestCase):
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def setUp(self):
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self.mock_json_patcher = mock.patch('monasca_common.rest.utils.json')
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self.mock_json = self.mock_json_patcher.start()
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def tearDown(self):
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self.mock_json_patcher.stop()
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def test_read_body_with_success(self):
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self.mock_json.loads.return_value = ""
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payload = mock.Mock()
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utils.read_body(payload)
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self.mock_json.loads.assert_called_once_with(payload.read.return_value)
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def test_read_body_empty_content_in_payload(self):
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self.mock_json.loads.return_value = ""
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payload = mock.Mock()
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payload.read.return_value = None
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self.assertIsNone(utils.read_body(payload))
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def test_read_body_json_loads_exception(self):
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self.mock_json.loads.side_effect = Exception
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payload = mock.Mock()
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self.assertRaises(DataConversionException, utils.read_body, payload)
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def test_read_body_unsupported_content_type(self):
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unsupported_content_type = mock.Mock()
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self.assertRaises(
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UnsupportedContentTypeException, utils.read_body, None,
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unsupported_content_type)
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def test_read_body_unreadable_content_error(self):
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unreadable_content = mock.Mock()
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unreadable_content.read.side_effect = Exception
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self.assertRaises(
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UnreadableContentError, utils.read_body, unreadable_content)
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def test_as_json_success(self):
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data = mock.Mock()
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dumped_json = utils.as_json(data)
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self.assertEqual(dumped_json, self.mock_json.dumps.return_value)
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def test_as_json_with_exception(self):
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data = mock.Mock()
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self.mock_json.dumps.side_effect = Exception
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self.assertRaises(DataConversionException, utils.as_json, data)
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