Method test_empty_accessors

test/sql/test_resultset.py:2062–2108

(self, connection)

    @testing.requires.selectone
    def test_empty_accessors(self, connection):
        statements = [
            (
                "select 1",
                [
                    lambda r: r.last_inserted_params(),
                    lambda r: r.last_updated_params(),
                    lambda r: r.prefetch_cols(),
                    lambda r: r.postfetch_cols(),
                    lambda r: r.inserted_primary_key,
                ],
                "Statement is not a compiled expression construct.",
            ),
            (
                select(1),
                [
                    lambda r: r.last_inserted_params(),
                    lambda r: r.inserted_primary_key,
                ],
                r"Statement is not an insert\(\) expression construct.",
            ),
            (
                select(1),
                [lambda r: r.last_updated_params()],
                r"Statement is not an update\(\) expression construct.",
            ),
            (
                select(1),
                [lambda r: r.prefetch_cols(), lambda r: r.postfetch_cols()],
                r"Statement is not an insert\(\) "
                r"or update\(\) expression construct.",
            ),
        ]

        for stmt, meths, msg in statements:
            if isinstance(stmt, str):
                r = connection.exec_driver_sql(stmt)
            else:
                r = connection.execute(stmt)
            try:
                for meth in meths:
                    assert_raises_message(
                        sa_exc.InvalidRequestError, msg, meth, r
                    )

            finally:
                r.close()

    @testing.requires.dbapi_lastrowid
    def test_lastrowid(self, connection):