def test_it_should_get_most_recent_version_for_a_existent_label_in_database(self):
        self.execute_returns = {
            "select count(*) from __db_version__;": 0,
            "select version from __db_version__ where label = 'xxx' order by id desc": {"version": "vesion"},
        }
        mssql = MSSQL(self.config_mock, self.db_driver_mock)
        ret = mssql.get_version_number_from_label("xxx")
        self.assertEqual("vesion", ret)

        expected_query_calls = [
            call(
                "if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"
            ),
            call(
                "if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"
            ),
            call("insert into __db_version__ (version) values ('0')"),
        ]
        self.assertEqual(expected_query_calls, self.db_mock.execute_non_query.mock_calls)
        self.db_mock.select_db.assert_called_with("migration_test")
        self.assertEqual(5, self.db_mock.close.call_count)

        expected_execute_calls = [call("select count(*) from __db_version__;")]
        self.assertEqual(expected_execute_calls, self.db_mock.execute_scalar.mock_calls)

        expected_execute_calls = [call("select version from __db_version__ where label = 'xxx' order by id desc")]
        self.assertEqual(expected_execute_calls, self.db_mock.execute_row.mock_calls)
    def test_it_should_stop_process_when_an_error_occur_during_log_schema_version(self):
        self.execute_returns['insert into __db_version__ (version, label, name, sql_up, sql_down) values (%s, %s, %s, %s, %s);'] = Exception("invalid sql")

        try:
            mssql = MSSQL(self.config_mock, self.db_driver_mock)
            mssql.change("create table spam();", "20090212112104", "20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration", "create table spam();", "drop table spam;", label_version="label")
        except Exception as e:
            self.assertEqual('error logging migration: invalid sql\n\n[ERROR DETAILS] SQL command was:\n20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration', str(e))
            self.assertTrue(isinstance(e, simple_db_migrate.core.exceptions.MigrationException))

        expected_query_calls = [
            call("if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"),
            call("if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"),
            call("insert into __db_version__ (version) values ('0')"),
            call('create table spam()'),
            call('insert into __db_version__ (version, label, name, sql_up, sql_down) values (%s, %s, %s, %s, %s);', ('20090212112104', 'label', '20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration', 'create table spam();', 'drop table spam;'))
        ]
        self.assertEqual(expected_query_calls, self.db_mock.execute_non_query.mock_calls)
        self.db_mock.select_db.assert_called_with('migration_test')
        self.assertEqual(1, self.db_mock.cancel.call_count)
        self.assertEqual(6, self.db_mock.close.call_count)

        expected_execute_calls = [
            call('select count(*) from __db_version__;'),
        ]
        self.assertEqual(expected_execute_calls, self.db_mock.execute_scalar.mock_calls)
    def test_it_should_get_current_schema_version(self):
        self.execute_returns = {
            'select count(*) from __db_version__;': 0,
            'select top 1 version from __db_version__ order by id desc': "0"
        }

        mssql = MSSQL(self.config_mock, self.db_driver_mock)
        self.assertEqual("0", mssql.get_current_schema_version())

        expected_query_calls = [
            call(
                "if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"
            ),
            call(
                "if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"
            ),
            call("insert into __db_version__ (version) values ('0')")
        ]
        self.assertEqual(expected_query_calls,
                         self.db_mock.execute_non_query.mock_calls)
        self.db_mock.select_db.assert_called_with('migration_test')
        self.assertEqual(5, self.db_mock.close.call_count)

        expected_execute_calls = [
            call('select count(*) from __db_version__;'),
            call("select top 1 version from __db_version__ order by id desc")
        ]
        self.assertEqual(expected_execute_calls,
                         self.db_mock.execute_scalar.mock_calls)
    def test_it_should_use_label_version_when_updating_schema_version(self):
        mssql = MSSQL(self.config_mock, self.db_driver_mock)
        mssql.change(
            "create table spam();",
            "20090212112104",
            "20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration",
            "create table spam();",
            "drop table spam;",
            label_version="label")

        expected_query_calls = [
            call(
                "if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"
            ),
            call(
                "if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"
            ),
            call("insert into __db_version__ (version) values ('0')"),
            call('create table spam()'),
            call(
                'insert into __db_version__ (version, label, name, sql_up, sql_down) values (%s, %s, %s, %s, %s);',
                ('20090212112104', 'label',
                 '20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration',
                 'create table spam();', 'drop table spam;'))
        ]
        self.assertEqual(expected_query_calls,
                         self.db_mock.execute_non_query.mock_calls)
        self.db_mock.select_db.assert_called_with('migration_test')
        self.assertEqual(6, self.db_mock.close.call_count)

        expected_execute_calls = [call('select count(*) from __db_version__;')]
        self.assertEqual(expected_execute_calls,
                         self.db_mock.execute_scalar.mock_calls)
    def test_it_should_get_none_for_a_non_existent_label_in_database(self):
        mssql = MSSQL(self.config_mock, self.db_driver_mock)
        ret = mssql.get_version_number_from_label('xxx')
        self.assertEqual(None, ret)

        expected_query_calls = [
            call(
                "if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"
            ),
            call(
                "if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"
            ),
            call("insert into __db_version__ (version) values ('0')")
        ]
        self.assertEqual(expected_query_calls,
                         self.db_mock.execute_non_query.mock_calls)
        self.db_mock.select_db.assert_called_with('migration_test')
        self.assertEqual(5, self.db_mock.close.call_count)

        expected_execute_calls = [
            call('select count(*) from __db_version__;'),
        ]
        self.assertEqual(expected_execute_calls,
                         self.db_mock.execute_scalar.mock_calls)

        expected_execute_calls = [
            call(
                "select version from __db_version__ where label = 'xxx' order by id desc"
            )
        ]
        self.assertEqual(expected_execute_calls,
                         self.db_mock.execute_row.mock_calls)
    def test_it_should_execute_migration_down_and_update_schema_version(self):
        mssql = MSSQL(self.config_mock, self.db_driver_mock)
        mssql.change(
            "drop table spam;",
            "20090212112104",
            "20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration",
            "create table spam();",
            "drop table spam;",
            False,
        )

        expected_query_calls = [
            call(
                "if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"
            ),
            call(
                "if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"
            ),
            call("insert into __db_version__ (version) values ('0')"),
            call("drop table spam"),
            call("delete from __db_version__ where version = %s;", ("20090212112104",)),
        ]
        self.assertEqual(expected_query_calls, self.db_mock.execute_non_query.mock_calls)
        self.db_mock.select_db.assert_called_with("migration_test")
        self.assertEqual(6, self.db_mock.close.call_count)

        expected_execute_calls = [call("select count(*) from __db_version__;")]
        self.assertEqual(expected_execute_calls, self.db_mock.execute_scalar.mock_calls)
    def test_it_should_get_current_schema_version(self):
        self.execute_returns = {
            "select count(*) from __db_version__;": 0,
            "select top 1 version from __db_version__ order by id desc": "0",
        }

        mssql = MSSQL(self.config_mock, self.db_driver_mock)
        self.assertEquals("0", mssql.get_current_schema_version())

        expected_query_calls = [
            call(
                "if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"
            ),
            call(
                "if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"
            ),
            call("insert into __db_version__ (version) values ('0')"),
        ]
        self.assertEqual(expected_query_calls, self.db_mock.execute_non_query.mock_calls)
        self.db_mock.select_db.assert_called_with("migration_test")
        self.assertEqual(5, self.db_mock.close.call_count)

        expected_execute_calls = [
            call("select count(*) from __db_version__;"),
            call("select top 1 version from __db_version__ order by id desc"),
        ]
        self.assertEqual(expected_execute_calls, self.db_mock.execute_scalar.mock_calls)
    def test_it_should_get_all_schema_migrations(self):
        expected_versions = []
        expected_versions.append([1, "0", None, None, None, None])
        expected_versions.append([2, "20090211120001", "label", "20090211120001_name", "sql_up", "sql_down"])

        db_versions = [
            {
                "id": db_version[0],
                "version": db_version[1],
                "label": db_version[2],
                "name": db_version[3],
                "sql_up": db_version[4],
                "sql_down": db_version[5],
            }
            for db_version in expected_versions
        ]

        self.execute_returns = {
            "select count(*) from __db_version__;": 0,
            "select id, version, label, name, cast(sql_up as text) as sql_up, cast(sql_down as text) as sql_down from __db_version__ order by id;": db_versions,
        }

        mssql = MSSQL(self.config_mock, self.db_driver_mock)
        schema_migrations = mssql.get_all_schema_migrations()

        self.assertEquals(len(expected_versions), len(schema_migrations))
        for index, migration in enumerate(schema_migrations):
            self.assertEqual(migration.id, expected_versions[index][0])
            self.assertEqual(migration.version, expected_versions[index][1])
            self.assertEqual(migration.label, expected_versions[index][2])
            self.assertEqual(migration.file_name, expected_versions[index][3])
            self.assertEqual(migration.sql_up, expected_versions[index][4] and expected_versions[index][4] or "")
            self.assertEqual(migration.sql_down, expected_versions[index][5] and expected_versions[index][5] or "")

        expected_query_calls = [
            call(
                "if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"
            ),
            call(
                "if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"
            ),
            call("insert into __db_version__ (version) values ('0')"),
        ]
        self.assertEqual(expected_query_calls, self.db_mock.execute_non_query.mock_calls)
        self.db_mock.select_db.assert_called_with("migration_test")
        self.assertEqual(5, self.db_mock.close.call_count)

        expected_execute_calls = [call("select count(*) from __db_version__;")]
        self.assertEqual(expected_execute_calls, self.db_mock.execute_scalar.mock_calls)

        expected_execute_calls = [
            call(
                "select id, version, label, name, cast(sql_up as text) as sql_up, cast(sql_down as text) as sql_down from __db_version__ order by id;"
            )
        ]
        self.assertEqual(expected_execute_calls, self.db_mock.execute_query.mock_calls)
    def test_it_should_log_execution_when_a_function_is_given_when_updating_schema_version(self):
        execution_log_mock = Mock()
        mssql = MSSQL(self.config_mock, self.db_driver_mock)
        mssql.change("create table spam();", "20090212112104", "20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration", "create table spam();", "drop table spam;", execution_log=execution_log_mock)

        expected_execution_log_calls = [
            call('create table spam()\n-- 1 row(s) affected\n'),
            call('migration 20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration registered\n')
        ]
        self.assertEqual(expected_execution_log_calls, execution_log_mock.mock_calls)
    def test_it_should_not_execute_migration_if_fake_execution_is_set(self):
        mssql = MSSQL(self.config_mock, self.db_driver_mock)
        mssql.change("create table spam();", "20090212112104", "20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration", "create table spam();", "drop table spam;", fake_execution=True)

        expected_execute_calls = [
            call("if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"),
            call("if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"),
            call("insert into __db_version__ (version) values ('0')"),
            call('insert into __db_version__ (version, label, name, sql_up, sql_down) values (%s, %s, %s, %s, %s);', ('20090212112104', None, '20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration', 'create table spam();', 'drop table spam;'))
        ]
        self.assertEqual(expected_execute_calls, self.db_mock.execute_non_query.mock_calls)
        self.assertEqual(5, self.db_mock.close.call_count)
    def test_it_should_stop_process_when_an_error_occur_during_log_schema_version(
            self):
        self.execute_returns[
            'insert into __db_version__ (version, label, name, sql_up, sql_down) values (%s, %s, %s, %s, %s);'] = Exception(
                "invalid sql")

        try:
            mssql = MSSQL(self.config_mock, self.db_driver_mock)
            mssql.change(
                "create table spam();",
                "20090212112104",
                "20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration",
                "create table spam();",
                "drop table spam;",
                label_version="label")
        except Exception as e:
            self.assertEqual(
                'error logging migration: invalid sql\n\n[ERROR DETAILS] SQL command was:\n20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration',
                str(e))
            self.assertTrue(
                isinstance(
                    e, simple_db_migrate.core.exceptions.MigrationException))

        expected_query_calls = [
            call(
                "if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"
            ),
            call(
                "if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"
            ),
            call("insert into __db_version__ (version) values ('0')"),
            call('create table spam()'),
            call(
                'insert into __db_version__ (version, label, name, sql_up, sql_down) values (%s, %s, %s, %s, %s);',
                ('20090212112104', 'label',
                 '20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration',
                 'create table spam();', 'drop table spam;'))
        ]
        self.assertEqual(expected_query_calls,
                         self.db_mock.execute_non_query.mock_calls)
        self.db_mock.select_db.assert_called_with('migration_test')
        self.assertEqual(1, self.db_mock.cancel.call_count)
        self.assertEqual(6, self.db_mock.close.call_count)

        expected_execute_calls = [
            call('select count(*) from __db_version__;'),
        ]
        self.assertEqual(expected_execute_calls,
                         self.db_mock.execute_scalar.mock_calls)
    def test_it_should_parse_sql_statements(self):
        statements = MSSQL._parse_sql_statements(
            '; ; create table eggs; drop table spam; ; ;')

        self.assertEqual(2, len(statements))
        self.assertEqual('create table eggs', statements[0])
        self.assertEqual('drop table spam', statements[1])
    def test_it_should_drop_database_on_init_if_its_asked(self):
        self.config_dict["drop_db_first"] = True

        MSSQL(self.config_mock, self.db_driver_mock)

        expected_query_calls = [
            call(
                "if exists ( select 1 from sysdatabases where name = 'migration_test' ) drop database migration_test;"
            ),
            call(
                "if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"
            ),
            call(
                "if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"
            ),
            call("insert into __db_version__ (version) values ('0')")
        ]
        self.assertEqual(expected_query_calls,
                         self.db_mock.execute_non_query.mock_calls)
        self.db_mock.select_db.assert_called_with('migration_test')
        self.assertEqual(5, self.db_mock.close.call_count)

        expected_execute_calls = [call('select count(*) from __db_version__;')]
        self.assertEqual(expected_execute_calls,
                         self.db_mock.execute_scalar.mock_calls)
 def test_it_should_use_default_port(self):
     MSSQL(self.config_mock)
     self.assertEqual(
         call(user='******',
              password='******',
              charset='utf8',
              port=1433,
              server='somehost'), sys.modules['_mssql'].connect.call_args)
 def test_it_should_use_given_configuration(self):
     self.config_dict['database_port'] = 9876
     MSSQL(self.config_mock)
     self.assertEqual(
         call(user='******',
              password='******',
              charset='utf8',
              port=9876,
              server='somehost'), sys.modules['_mssql'].connect.call_args)
    def test_it_should_get_all_schema_versions(self):
        expected_versions = []
        expected_versions.append("0")
        expected_versions.append("20090211120001")
        expected_versions.append("20090211120002")
        expected_versions.append("20090211120003")

        db_versions = [{'version': version} for version in expected_versions]

        self.execute_returns = {
            'select count(*) from __db_version__;': 0,
            'select version from __db_version__ order by id;': db_versions
        }

        mssql = MSSQL(self.config_mock, self.db_driver_mock)
        schema_versions = mssql.get_all_schema_versions()

        self.assertEqual(len(expected_versions), len(schema_versions))
        for version in schema_versions:
            self.assertTrue(version in expected_versions)

        expected_query_calls = [
            call(
                "if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"
            ),
            call(
                "if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"
            ),
            call("insert into __db_version__ (version) values ('0')")
        ]
        self.assertEqual(expected_query_calls,
                         self.db_mock.execute_non_query.mock_calls)
        self.db_mock.select_db.assert_called_with('migration_test')
        self.assertEqual(5, self.db_mock.close.call_count)

        expected_execute_calls = [call('select count(*) from __db_version__;')]
        self.assertEqual(expected_execute_calls,
                         self.db_mock.execute_scalar.mock_calls)

        expected_execute_calls = [
            call("select version from __db_version__ order by id;")
        ]
        self.assertEqual(expected_execute_calls,
                         self.db_mock.execute_query.mock_calls)
    def test_it_should_log_execution_when_a_function_is_given_when_updating_schema_version(
            self):
        execution_log_mock = Mock()
        mssql = MSSQL(self.config_mock, self.db_driver_mock)
        mssql.change(
            "create table spam();",
            "20090212112104",
            "20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration",
            "create table spam();",
            "drop table spam;",
            execution_log=execution_log_mock)

        expected_execution_log_calls = [
            call('create table spam()\n-- 1 row(s) affected\n'),
            call(
                'migration 20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration registered\n'
            )
        ]
        self.assertEqual(expected_execution_log_calls,
                         execution_log_mock.mock_calls)
 def test_it_should_raise_whem_migration_sql_has_a_syntax_error(self):
     mssql = MSSQL(self.config_mock, self.db_driver_mock)
     self.assertRaisesWithMessage(
         Exception,
         "error executing migration: invalid sql syntax 'create table foo(); create table spam());'",
         mssql.change,
         "create table foo(); create table spam());",
         "20090212112104",
         "20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration",
         "create table spam());",
         "drop table spam;",
         label_version="label")
    def test_it_should_get_all_schema_versions(self):
        expected_versions = []
        expected_versions.append("0")
        expected_versions.append("20090211120001")
        expected_versions.append("20090211120002")
        expected_versions.append("20090211120003")

        db_versions = [{"version": version} for version in expected_versions]

        self.execute_returns = {
            "select count(*) from __db_version__;": 0,
            "select version from __db_version__ order by id;": db_versions,
        }

        mssql = MSSQL(self.config_mock, self.db_driver_mock)
        schema_versions = mssql.get_all_schema_versions()

        self.assertEquals(len(expected_versions), len(schema_versions))
        for version in schema_versions:
            self.assertTrue(version in expected_versions)

        expected_query_calls = [
            call(
                "if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"
            ),
            call(
                "if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"
            ),
            call("insert into __db_version__ (version) values ('0')"),
        ]
        self.assertEqual(expected_query_calls, self.db_mock.execute_non_query.mock_calls)
        self.db_mock.select_db.assert_called_with("migration_test")
        self.assertEqual(5, self.db_mock.close.call_count)

        expected_execute_calls = [call("select count(*) from __db_version__;")]
        self.assertEqual(expected_execute_calls, self.db_mock.execute_scalar.mock_calls)

        expected_execute_calls = [call("select version from __db_version__ order by id;")]
        self.assertEqual(expected_execute_calls, self.db_mock.execute_query.mock_calls)
 def test_it_should_raise_whem_migration_sql_has_a_syntax_error_sql_with_codec_error(
         self):
     mssql = MSSQL(self.config_mock, self.db_driver_mock)
     expected_raised_message = u"error executing migration: invalid sql syntax 'create table foo(); create table spam()); -- ônibus'".encode(
         "utf-8")
     self.assertRaisesWithMessage(
         Exception,
         expected_raised_message,
         mssql.change,
         u"create table foo(); create table spam()); -- ônibus",
         "20090212112104",
         "20090212112104_test_it_should_execute_migration_down_and_update_schema_version.migration",
         "create table foo(); create table spam());",
         "drop table spam;",
         label_version="label")
    def test_it_should_stop_process_when_an_error_occur_during_connect_database(
            self):
        self.db_driver_mock.connect.side_effect = Exception(
            "error when connecting")

        try:
            MSSQL(self.config_mock, self.db_driver_mock)
            self.fail("it should not get here")
        except Exception as e:
            self.assertEqual(
                "could not connect to database: error when connecting", str(e))

        self.assertEqual(0, self.db_mock.close.call_count)
        self.assertEqual(0, self.db_mock.execute_scalar.call_count)
        self.assertEqual(0, self.db_mock.execute_non_query.call_count)
        self.assertEqual(0, self.db_mock.execute_query.call_count)
    def test_it_should_stop_process_when_an_error_occur_during_drop_database(
            self):
        self.config_dict["drop_db_first"] = True
        self.db_mock.execute_non_query.side_effect = Exception(
            "error when dropping")

        try:
            MSSQL(self.config_mock, self.db_driver_mock)
            self.fail("it should not get here")
        except Exception as e:
            self.assertEqual(
                "can't drop database 'migration_test'; \nerror when dropping",
                str(e))

        expected_query_calls = [
            call(
                "if exists ( select 1 from sysdatabases where name = 'migration_test' ) drop database migration_test;"
            )
        ]
        self.assertEqual(expected_query_calls,
                         self.db_mock.execute_non_query.mock_calls)
        self.assertEqual(1, self.db_mock.close.call_count)
    def test_it_should_parse_sql_statements_with_html_inside(self):
        sql = u"""
        create table eggs;
        INSERT INTO widget_parameter_domain (widget_parameter_id, label, value)
        VALUES ((SELECT MAX(widget_parameter_id)
                FROM widget_parameter),  "Carros", '<div class="box-zap-geral">

            <div class="box-zap box-zap-autos">
                <a class="logo" target="_blank" title="ZAP" href="http://www.zap.com.br/Parceiros/g1/RedirG1.aspx?CodParceriaLink=42&amp;URL=http://www.zap.com.br">');
        drop table spam;
        """
        statements = MSSQL._parse_sql_statements(sql)

        expected_sql_with_html = """INSERT INTO widget_parameter_domain (widget_parameter_id, label, value)
        VALUES ((SELECT MAX(widget_parameter_id)
                FROM widget_parameter),  "Carros", '<div class="box-zap-geral">

            <div class="box-zap box-zap-autos">
                <a class="logo" target="_blank" title="ZAP" href="http://www.zap.com.br/Parceiros/g1/RedirG1.aspx?CodParceriaLink=42&amp;URL=http://www.zap.com.br">')"""

        self.assertEqual(3, len(statements))
        self.assertEqual('create table eggs', statements[0])
        self.assertEqual(expected_sql_with_html, statements[1])
        self.assertEqual('drop table spam', statements[2])
    def test_it_should_parse_sql_statements_with_html_inside(self):
        sql = u"""
        create table eggs;
        INSERT INTO widget_parameter_domain (widget_parameter_id, label, value)
        VALUES ((SELECT MAX(widget_parameter_id)
                FROM widget_parameter),  "Carros", '<div class="box-zap-geral">

            <div class="box-zap box-zap-autos">
                <a class="logo" target="_blank" title="ZAP" href="http://www.zap.com.br/Parceiros/g1/RedirG1.aspx?CodParceriaLink=42&amp;URL=http://www.zap.com.br">');
        drop table spam;
        """
        statements = MSSQL._parse_sql_statements(sql)

        expected_sql_with_html = """INSERT INTO widget_parameter_domain (widget_parameter_id, label, value)
        VALUES ((SELECT MAX(widget_parameter_id)
                FROM widget_parameter),  "Carros", '<div class="box-zap-geral">

            <div class="box-zap box-zap-autos">
                <a class="logo" target="_blank" title="ZAP" href="http://www.zap.com.br/Parceiros/g1/RedirG1.aspx?CodParceriaLink=42&amp;URL=http://www.zap.com.br">')"""

        self.assertEqual(3, len(statements))
        self.assertEqual("create table eggs", statements[0])
        self.assertEqual(expected_sql_with_html, statements[1])
        self.assertEqual("drop table spam", statements[2])
    def test_it_should_parse_sql_statements(self):
        statements = MSSQL._parse_sql_statements("; ; create table eggs; drop table spam; ; ;")

        self.assertEqual(2, len(statements))
        self.assertEqual("create table eggs", statements[0])
        self.assertEqual("drop table spam", statements[1])
 def test_it_should_use_mssql_as_driver(self):
     MSSQL(self.config_mock)
     self.assertNotEqual(0, sys.modules['_mssql'].connect.call_count)
    def test_it_should_get_all_schema_migrations(self):
        expected_versions = []
        expected_versions.append([1, "0", None, None, None, None])
        expected_versions.append([
            2, "20090211120001", "label", "20090211120001_name", "sql_up",
            "sql_down"
        ])

        db_versions = [{
            'id': db_version[0],
            'version': db_version[1],
            'label': db_version[2],
            'name': db_version[3],
            'sql_up': db_version[4],
            'sql_down': db_version[5]
        } for db_version in expected_versions]

        self.execute_returns = {
            'select count(*) from __db_version__;':
            0,
            'select id, version, label, name, cast(sql_up as text) as sql_up, cast(sql_down as text) as sql_down from __db_version__ order by id;':
            db_versions
        }

        mssql = MSSQL(self.config_mock, self.db_driver_mock)
        schema_migrations = mssql.get_all_schema_migrations()

        self.assertEqual(len(expected_versions), len(schema_migrations))
        for index, migration in enumerate(schema_migrations):
            self.assertEqual(migration.id, expected_versions[index][0])
            self.assertEqual(migration.version, expected_versions[index][1])
            self.assertEqual(migration.label, expected_versions[index][2])
            self.assertEqual(migration.file_name, expected_versions[index][3])
            self.assertEqual(
                migration.sql_up,
                expected_versions[index][4] and expected_versions[index][4]
                or "")
            self.assertEqual(
                migration.sql_down,
                expected_versions[index][5] and expected_versions[index][5]
                or "")

        expected_query_calls = [
            call(
                "if not exists ( select 1 from sysdatabases where name = 'migration_test' ) create database migration_test;"
            ),
            call(
                "if not exists ( select 1 from sysobjects where name = '__db_version__' and type = 'u' ) create table __db_version__ ( id INT IDENTITY(1,1) NOT NULL PRIMARY KEY, version varchar(20) NOT NULL default '0', label varchar(255), name varchar(255), sql_up NTEXT, sql_down NTEXT)"
            ),
            call("insert into __db_version__ (version) values ('0')")
        ]
        self.assertEqual(expected_query_calls,
                         self.db_mock.execute_non_query.mock_calls)
        self.db_mock.select_db.assert_called_with('migration_test')
        self.assertEqual(5, self.db_mock.close.call_count)

        expected_execute_calls = [
            call('select count(*) from __db_version__;'),
        ]
        self.assertEqual(expected_execute_calls,
                         self.db_mock.execute_scalar.mock_calls)

        expected_execute_calls = [
            call(
                'select id, version, label, name, cast(sql_up as text) as sql_up, cast(sql_down as text) as sql_down from __db_version__ order by id;'
            )
        ]
        self.assertEqual(expected_execute_calls,
                         self.db_mock.execute_query.mock_calls)
    def test_it_should_parse_sql_statements(self):
        statements = MSSQL._parse_sql_statements('; ; create table eggs; drop table spam; ; ;')

        self.assertEqual(2, len(statements))
        self.assertEqual('create table eggs', statements[0])
        self.assertEqual('drop table spam', statements[1])