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How to use migrate_up method in autotest

Best Python code snippet using autotest_python

test_migrations.py

Source:test_migrations.py

...29    INIT_VERSION = 430    @property31    def migrate_engine(self):32        return self.engine33    def test_migrate_up(self):34        self.migration_api.db_version.return_value = 14135        self.migrate_up(141)36        self.migration_api.upgrade.assert_called_with(37            self.engine, self.REPOSITORY, 141)38        self.migration_api.db_version.assert_called_with(39            self.engine, self.REPOSITORY)40    def test_migrate_up_fail(self):41        version = 14142        self.migration_api.db_version.return_value = version43        expected_output = (u"Failed to migrate to version %(version)s on "44                           "engine %(engine)s\n" %45                           {'version': version, 'engine': self.engine})46        with mock.patch.object(self.migration_api,47                               'upgrade',48                               side_effect=exc.DbMigrationError):49            log = self.useFixture(fixtures.FakeLogger())50            self.assertRaises(exc.DbMigrationError, self.migrate_up, version)51            self.assertEqual(expected_output, log.output)52    def test_migrate_up_with_data(self):53        test_value = {"a": 1, "b": 2}54        self.migration_api.db_version.return_value = 14155        self._pre_upgrade_141 = mock.MagicMock()56        self._pre_upgrade_141.return_value = test_value57        self._check_141 = mock.MagicMock()58        self.migrate_up(141, True)59        self._pre_upgrade_141.assert_called_with(self.engine)60        self._check_141.assert_called_with(self.engine, test_value)61    def test_migrate_down(self):62        self.migration_api.db_version.return_value = 4263        self.assertTrue(self.migrate_down(42))64        self.migration_api.db_version.assert_called_with(65            self.engine, self.REPOSITORY)66    def test_migrate_down_not_implemented(self):67        with mock.patch.object(self.migration_api,68                               'downgrade',69                               side_effect=NotImplementedError):70            self.assertFalse(self.migrate_down(self.engine, 42))71    def test_migrate_down_with_data(self):72        self._post_downgrade_043 = mock.MagicMock()...

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