showard | eab66ce | 2009-12-23 00:03:56 +0000 | [diff] [blame^] | 1 | #!/usr/bin/python |
| 2 | |
| 3 | import unittest |
| 4 | import common |
| 5 | from autotest_lib.client.common_lib.test_utils import mock |
| 6 | from autotest_lib.database import migrate, db_utils |
| 7 | |
| 8 | class UtilsTest(unittest.TestCase): |
| 9 | |
| 10 | EXISTS_QUERY_BASE = ('SELECT table_name FROM information_schema.%s ' |
| 11 | 'WHERE table_schema = %%s') |
| 12 | DB_NAME = 'test_db' |
| 13 | |
| 14 | |
| 15 | def setUp(self): |
| 16 | self.god = mock.mock_god() |
| 17 | self.manager = self.god.create_mock_class(migrate.MigrationManager, |
| 18 | 'manager') |
| 19 | |
| 20 | self.god.stub_function(self.manager, 'execute') |
| 21 | self.god.stub_function(self.manager, 'get_db_name') |
| 22 | |
| 23 | |
| 24 | def tearDown(self): |
| 25 | self.god.unstub_all() |
| 26 | |
| 27 | |
| 28 | def test_check_exists(self): |
| 29 | views = ('view1', 'view2') |
| 30 | def _call_check_exists(): |
| 31 | db_utils._check_exists(self.manager, views, 'VIEW') |
| 32 | |
| 33 | self._setup_exists_expects(views, 'VIEWS') |
| 34 | _call_check_exists() |
| 35 | self.god.check_playback() |
| 36 | |
| 37 | self._setup_exists_expects(('view1',), 'VIEWS') |
| 38 | self.assertRaises(Exception, _call_check_exists) |
| 39 | self.god.check_playback() |
| 40 | |
| 41 | |
| 42 | def test_drop_views(self): |
| 43 | views = ('view1', 'view2') |
| 44 | self._setup_exists_expects(views, 'VIEWS') |
| 45 | |
| 46 | for view in views: |
| 47 | self.manager.execute.expect_call('DROP VIEW `%s`' % view) |
| 48 | |
| 49 | db_utils.drop_views(self.manager, views) |
| 50 | self.god.check_playback() |
| 51 | |
| 52 | |
| 53 | def test_rename(self): |
| 54 | mapping = { |
| 55 | 'table1' : 'new_table1', |
| 56 | 'table2' : 'new_table2', |
| 57 | } |
| 58 | self._setup_exists_expects((name for name, _ in mapping.iteritems()), |
| 59 | 'TABLES') |
| 60 | |
| 61 | for name, new_name in mapping.iteritems(): |
| 62 | self.manager.execute.expect_call( |
| 63 | 'RENAME TABLE `%s` TO `%s`' % (name, new_name)) |
| 64 | |
| 65 | db_utils.rename(self.manager, mapping) |
| 66 | self.god.check_playback() |
| 67 | |
| 68 | |
| 69 | def _setup_exists_expects(self, names, table): |
| 70 | self.manager.get_db_name.expect_call().and_return(self.DB_NAME) |
| 71 | self.manager.execute.expect_call( |
| 72 | self.EXISTS_QUERY_BASE % table, self.DB_NAME).and_return( |
| 73 | self._create_exists_query_result(names)) |
| 74 | |
| 75 | |
| 76 | def _create_exists_query_result(self, names): |
| 77 | return ((name, None) for name in names) |
| 78 | |
| 79 | |
| 80 | if __name__ == '__main__': |
| 81 | unittest.main() |