ff0fbf5810
unittest2 backports some nice features from newer versions of unittest for python 2.7 (like assertRaises context manager). Moreover tests now are using either oslotest or testtools directly, switching to one test framework is going to simplify tests. Change-Id: Ibce9403b20958f9db2a59db9c6b7479a4fc57857 Implements blueprint: volume-manager-refactoring
120 lines
4.3 KiB
Python
120 lines
4.3 KiB
Python
# Copyright 2014 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import mock
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from oslo.config import cfg
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import unittest2
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import zlib
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from fuel_agent import errors
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from fuel_agent.utils import artifact as au
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from fuel_agent.utils import utils
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CONF = cfg.CONF
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class TestTarget(unittest2.TestCase):
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def setUp(self):
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super(TestTarget, self).setUp()
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self.tgt = au.Target()
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def test_target_next(self):
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self.assertRaises(StopIteration, self.tgt.next)
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@mock.patch('os.fsync')
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@mock.patch.object(au.Target, '__iter__')
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def test_target_target(self, mock_iter, mock_os_sync):
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mock_iter.return_value = iter(['chunk1', 'chunk2', 'chunk3'])
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m = mock.mock_open()
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with mock.patch('six.moves.builtins.open', m):
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self.tgt.target()
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mock_write_expected_calls = [mock.call('chunk1'), mock.call('chunk2'),
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mock.call('chunk3')]
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file_handle = m()
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self.assertEqual(mock_write_expected_calls,
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file_handle.write.call_args_list)
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file_handle.flush.assert_called_once_with()
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class TestLocalFile(unittest2.TestCase):
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def setUp(self):
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super(TestLocalFile, self).setUp()
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self.lf = au.LocalFile('/dev/null')
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def test_localfile_next(self):
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self.lf.fileobj = mock.Mock()
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self.lf.fileobj.read.side_effect = ['some_data', 'another_data']
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self.assertEqual('some_data', self.lf.next())
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self.assertEqual('another_data', self.lf.next())
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self.assertRaises(StopIteration, self.lf.next)
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class TestHttpUrl(unittest2.TestCase):
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@mock.patch.object(utils, 'init_http_request')
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def test_httpurl_init_ok(self, mock_req):
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mock_req.return_value = mock.Mock(headers={'content-length': 123})
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httpurl = au.HttpUrl('fake_url')
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self.assertEqual(123, httpurl.length)
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mock_req.assert_called_once_with('fake_url')
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@mock.patch.object(utils, 'init_http_request')
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def test_httpurl_init_invalid_content_length(self, mock_req):
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mock_req.return_value = mock.Mock(headers={'content-length':
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'invalid'})
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self.assertRaises(errors.HttpUrlInvalidContentLength, au.HttpUrl,
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'fake_url')
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@mock.patch.object(utils, 'init_http_request')
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def test_httpurl_next_ok(self, mock_req):
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content = ['fake content #1', 'fake content #2']
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req_mock = mock.Mock(headers={'content-length': 30})
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req_mock.raw.read.side_effect = content
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mock_req.return_value = req_mock
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httpurl = au.HttpUrl('fake_url')
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for data in enumerate(httpurl):
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self.assertEqual(content[data[0]], data[1])
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class TestGunzipStream(unittest2.TestCase):
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def test_gunzip_stream_next(self):
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content = ['fake content #1']
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compressed_stream = [zlib.compress(data) for data in content]
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gunzip_stream = au.GunzipStream(compressed_stream)
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for data in enumerate(gunzip_stream):
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self.assertEqual(content[data[0]], data[1])
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class TestChain(unittest2.TestCase):
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def setUp(self):
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super(TestChain, self).setUp()
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self.chain = au.Chain()
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def test_append(self):
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self.assertEqual(0, len(self.chain.processors))
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self.chain.append('fake_processor')
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self.assertIn('fake_processor', self.chain.processors)
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self.assertEqual(1, len(self.chain.processors))
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def test_process(self):
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self.chain.processors.append('fake_uri')
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fake_processor = mock.Mock(spec=au.Target)
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self.chain.processors.append(fake_processor)
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self.chain.processors.append('fake_target')
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self.chain.process()
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expected_calls = [mock.call('fake_uri')]
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self.assertEqual(expected_calls, fake_processor.call_args_list)
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