From 87ec18ad91a63e7925005057ccbb7a7570347376 Mon Sep 17 00:00:00 2001 From: Matus Fabian Date: Fri, 22 Apr 2016 13:58:22 +0200 Subject: VatExecutor update Strip non-JSON data from VAT terminal output Add method for VAT command retval verification Change-Id: Ibe68020393cb1a700ad048dc78078f71064707b4 Signed-off-by: Matus Fabian --- resources/libraries/python/VatJsonUtil.py | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'resources/libraries/python/VatJsonUtil.py') diff --git a/resources/libraries/python/VatJsonUtil.py b/resources/libraries/python/VatJsonUtil.py index 36c50533fc..c1a9e4b8de 100644 --- a/resources/libraries/python/VatJsonUtil.py +++ b/resources/libraries/python/VatJsonUtil.py @@ -100,3 +100,26 @@ class VatJsonUtil(object): ifc['name'] = interface_dict["interface_name"] ifc['vpp_sw_index'] = interface_dict["sw_if_index"] ifc['mtu'] = interface_dict["mtu"] + + @staticmethod + def verify_vat_retval(vat_out, exp_retval=0, err_msg='VAT cmd failed'): + """Verify return value of VAT command. + + VAT command JSON output should be object (dict in python) or array. We + are looking for something like this: { "retval": 0 }. Verification is + skipped if VAT output does not contain return value element or root + elemet is array. + + :param vat_out: VAT command output in python representation of JSON. + :param exp_retval: Expected return value (default 0). + :err_msg: Message to be displayed in case of error (optional). + :type vat_out: dict or list + :type exp_retval: int + :type err_msg: str + :raises RuntimeError: If VAT command return value is incorrect. + """ + if type(vat_out) is dict: + retval = vat_out.get('retval') + if retval is not None: + if retval != exp_retval: + raise RuntimeError(err_msg) -- cgit 1.2.3-korg