# Copyright (c) 2016 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
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*** Settings ***

| Resource | resources/libraries/robot/default.robot
| Resource | resources/libraries/robot/l2_xconnect.robot
| Library | resources.libraries.python.InterfaceUtil
| Library | resources.libraries.python.NodePath
| Force Tags | 3_NODE_SINGLE_LINK_TOPO | HW_ENV | VM_ENV
| Test Setup | Setup all DUTs before test
| Suite Setup | Setup all TGs before traffic script


*** Test Cases ***

| Vpp forwards packets via L2 xconnect in circular topology
| | Append Nodes | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['DUT2']} | ${nodes['TG']}
| | Compute Path
| | ${src_if} | ${tg}= | Next Interface
| | ${dut1_if1} | ${dut1}= | Next Interface
| | ${dut1_if2} | ${dut1}= | Next Interface
| | ${dut2_if1} | ${dut2}= | Next Interface
| | ${dut2_if2} | ${dut2}= | Next Interface
| | ${dst_if} | ${tg}= | Next Interface
| | L2 setup xconnect on DUT | ${dut1} | ${dut1_if1} | ${dut1_if2}
| | L2 setup xconnect on DUT | ${dut2} | ${dut2_if1} | ${dut2_if2}
| | All Vpp Interfaces Ready Wait | ${nodes}
| | Send and receive traffic | ${tg} | ${src_if} | ${dst_if}