@Override
    public Connection getConnection(final String databaseName, final String dataSourceName) throws SQLException {
        checkSeataATEnabled();
        return dataSourceMap.get(databaseName + "." + dataSourceName).getConnection();
    }
@Test
    void assertGetConnection() throws SQLException {
        Connection actual = seataTransactionManager.getConnection("sharding_db", "ds_0");
        assertThat(actual, instanceOf(ConnectionProxy.class));
    }