1e0ea5217a
The tests that inherit from BaseTestCase don't need to stop their patches, since this is already done in the base class Change-Id: Ibb1183e521686d6e948046997b32f4044d91d9e7 Closes-bug: #1305656
185 lines
6.6 KiB
Python
185 lines
6.6 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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# All Rights Reserved.
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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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# @author Mark McClain (DreamHost)
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import sys
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import mock
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from neutron.db import migration
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from neutron.db.migration import cli
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from neutron.tests import base
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class TestDbMigration(base.BaseTestCase):
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def test_should_run_plugin_in_list(self):
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self.assertTrue(migration.should_run(['foo'], ['foo', 'bar']))
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self.assertFalse(migration.should_run(['foo'], ['bar']))
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def test_should_run_plugin_wildcard(self):
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self.assertTrue(migration.should_run(['foo'], ['*']))
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class TestCli(base.BaseTestCase):
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def setUp(self):
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super(TestCli, self).setUp()
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self.do_alembic_cmd_p = mock.patch.object(cli, 'do_alembic_command')
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self.do_alembic_cmd = self.do_alembic_cmd_p.start()
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self.mock_alembic_err = mock.patch('alembic.util.err').start()
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self.mock_alembic_err.side_effect = SystemExit
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def _main_test_helper(self, argv, func_name, exp_args=(), exp_kwargs={}):
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with mock.patch.object(sys, 'argv', argv):
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cli.main()
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self.do_alembic_cmd.assert_has_calls(
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[mock.call(mock.ANY, func_name, *exp_args, **exp_kwargs)]
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)
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def test_stamp(self):
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self._main_test_helper(
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['prog', 'stamp', 'foo'],
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'stamp',
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('foo',),
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{'sql': False}
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)
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self._main_test_helper(
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['prog', 'stamp', 'foo', '--sql'],
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'stamp',
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('foo',),
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{'sql': True}
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)
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def test_current(self):
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self._main_test_helper(['prog', 'current'], 'current')
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def test_history(self):
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self._main_test_helper(['prog', 'history'], 'history')
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def test_check_migration(self):
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with mock.patch.object(cli, 'validate_head_file') as validate:
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self._main_test_helper(['prog', 'check_migration'], 'branches')
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validate.assert_called_once_with(mock.ANY)
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def test_database_sync_revision(self):
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with mock.patch.object(cli, 'update_head_file') as update:
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self._main_test_helper(
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['prog', 'revision', '--autogenerate', '-m', 'message'],
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'revision',
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(),
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{'message': 'message', 'sql': False, 'autogenerate': True}
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)
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update.assert_called_once_with(mock.ANY)
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update.reset_mock()
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self._main_test_helper(
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['prog', 'revision', '--sql', '-m', 'message'],
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'revision',
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(),
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{'message': 'message', 'sql': True, 'autogenerate': False}
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)
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update.assert_called_once_with(mock.ANY)
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def test_upgrade(self):
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self._main_test_helper(
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['prog', 'upgrade', '--sql', 'head'],
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'upgrade',
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('head',),
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{'sql': True}
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)
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self._main_test_helper(
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['prog', 'upgrade', '--delta', '3'],
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'upgrade',
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('+3',),
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{'sql': False}
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)
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def test_downgrade(self):
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self._main_test_helper(
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['prog', 'downgrade', '--sql', 'folsom'],
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'downgrade',
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('folsom',),
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{'sql': True}
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)
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self._main_test_helper(
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['prog', 'downgrade', '--delta', '2'],
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'downgrade',
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('-2',),
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{'sql': False}
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)
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def _test_validate_head_file_helper(self, heads, file_content=None):
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with mock.patch('alembic.script.ScriptDirectory.from_config') as fc:
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fc.return_value.get_heads.return_value = heads
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fc.return_value.get_current_head.return_value = heads[0]
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with mock.patch('__builtin__.open') as mock_open:
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mock_open.return_value.__enter__ = lambda s: s
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mock_open.return_value.__exit__ = mock.Mock()
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mock_open.return_value.read.return_value = file_content
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with mock.patch('os.path.isfile') as is_file:
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is_file.return_value = file_content is not None
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if file_content in heads:
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cli.validate_head_file(mock.sentinel.config)
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else:
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self.assertRaises(
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SystemExit,
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cli.validate_head_file,
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mock.sentinel.config
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)
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self.mock_alembic_err.assert_called_once_with(mock.ANY)
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fc.assert_called_once_with(mock.sentinel.config)
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def test_validate_head_file_multiple_heads(self):
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self._test_validate_head_file_helper(['a', 'b'])
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def test_validate_head_file_missing_file(self):
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self._test_validate_head_file_helper(['a'])
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def test_validate_head_file_wrong_contents(self):
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self._test_validate_head_file_helper(['a'], 'b')
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def test_validate_head_success(self):
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self._test_validate_head_file_helper(['a'], 'a')
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def test_update_head_file_multiple_heads(self):
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with mock.patch('alembic.script.ScriptDirectory.from_config') as fc:
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fc.return_value.get_heads.return_value = ['a', 'b']
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self.assertRaises(
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SystemExit,
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cli.update_head_file,
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mock.sentinel.config
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)
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self.mock_alembic_err.assert_called_once_with(mock.ANY)
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fc.assert_called_once_with(mock.sentinel.config)
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def test_update_head_file_success(self):
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with mock.patch('alembic.script.ScriptDirectory.from_config') as fc:
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fc.return_value.get_heads.return_value = ['a']
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fc.return_value.get_current_head.return_value = 'a'
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with mock.patch('__builtin__.open') as mock_open:
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mock_open.return_value.__enter__ = lambda s: s
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mock_open.return_value.__exit__ = mock.Mock()
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cli.update_head_file(mock.sentinel.config)
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mock_open.return_value.write.assert_called_once_with('a')
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fc.assert_called_once_with(mock.sentinel.config)
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