def METHOD_NAME(self):
    config = ODBCConfig(data=self.complex_data)
    self.assertEqual(
        {'test1': self.ACCESS_CONFIGSTR, 'test2': self.EXCEL_CONFIGSTR},
        config.sources,
    )
    self.assertEqual(
        {
            'test1': {
                'Database': "test1.db",
                'LogonID': "Admin",
                'pwd': "secret_pass",
            },
            'test2': {'Database': "test2.xls"},
        },
        config.source_specs,
    )
    self.assertEqual({'UNICODE': "UTF-8"}, config.odbc_info)