Submit initial test framework skeleton.

Change-Id: I1c7cdbbf16c137a6739447d2776595725b798b54
Signed-off-by: Stefan Kobza <skobza@cisco.com>

test/.gitignore

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+/env
+/outputs
+/output.xml
+/log.html
+/report.html
+*.pyc

test/README

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+# STEPS TO START DEVELOPING TESTS LOCALLY
+ - install virtualenv
+ - generate environment using virtualenv:
+    # cd $ROOT
+    # virtualenv env
+    # source env/bin/activate
+ - install python requirements for this project by executing:
+    # pip install -r requirements.txt
+ - make sure user mentioned in topology.py has NOPASSWD sudo access to
+    vpe_api_test
+
+
+ Done.
+
+# STEPS TO START THE TESTS
+export PYTHONPATH=.
+pybot -L TRACE -V resources/libraries/python/topology.py tests

test/main.py

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+#!/usr/bin/env python
+# Copyright (c) 2015 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
+# limitations under the License.
+
+
+import os
+import robot
+from robot.run import RobotFramework
+from robot.conf.settings import RobotSettings
+from robot.running.builder import TestSuiteBuilder
+from robot.running.model import TestSuite
+
+
+def get_suite_list(*datasources, **options):
+    class _MyRobotFramework(RobotFramework):
+        def main(self, datasources, **options):
+            # copied from robot.run.RobotFramework.main
+            settings = RobotSettings(options)
+            suite = TestSuiteBuilder(settings['SuiteNames'],
+                                     settings['WarnOnSkipped']).build(*datasources)
+            suite.configure(**settings.suite_config)
+
+            return suite
+
+    # Options are in robot.conf.settings
+    suite = _MyRobotFramework().execute(*datasources, **options)
+    if isinstance(suite, TestSuite):
+        suites = []
+        suites.append(suite)
+        append_new = True
+        while append_new:
+            append_new = False
+            tmp = []
+            for s in suites:
+                if len(s.suites._items) > 0:
+                    for i in s.suites._items:
+                        tmp.append(i)
+                    append_new = True
+                else:
+                    tmp.append(s)
+            suites = tmp
+        return suites
+    else:
+        # TODO: add from robot.errors typ error
+        return []
+
+
+def run_suites(test_dir, suites, out_dir="./outputs", **options):
+    # TODO: add logic
+
+    try:
+        for f in os.listdir(out_dir):
+            os.remove('/'.join((out_dir, f)))
+    except OSError:
+        pass
+    if not os.path.exists(out_dir):
+        os.makedirs(out_dir)
+
+    for s in suites:
+        longname = s.longname
+        varfile=[]
+        varfile.append('resources/libraries/python/topology.py')
+
+        # TODO: check testcases Tags
+
+        with open('{}/{}.out'.format(out_dir, longname), 'w') as out, \
+             open('{}/{}.log'.format(out_dir, longname), 'w') as debug:
+            robot.run(test_dir,
+                      suite=[longname],
+                      output='{}/{}.xml'.format(out_dir, longname),
+                      debugfile=debug,
+                      log=None,
+                      report=None,
+                      stdout=out,
+                      variablefile=varfile,
+                      **options)
+
+
+def parse_outputs(out_dir='./'):
+    outs = ['/'.join((out_dir, file)) for file in os.listdir(out_dir) if file.endswith('.xml')]
+    robot.rebot(*outs, merge=True)
+
+
+if __name__ == "__main__":
+    i = []
+    e = []
+    # i = ['bd', 'ip']
+    # i = ['hw']
+    # e = ['hw']
+    test_dir = "./tests"
+    out_dir = "./outputs"
+
+    suite_list = get_suite_list(test_dir, include=i, exclude=e, output=None, dryrun=True)
+    run_suites(test_dir, suite_list, include=i, exclude=e, out_dir=out_dir)
+    parse_outputs(out_dir=out_dir)

test/requirements.txt

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+robotframework
+paramiko
+scp

test/resources/libraries/bash/dut_setup.sh

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+#!/bin/bash
+
+echo vpe process
+ps aux | grep vpe
+
+echo Free memory
+free -m
+
+echo List vpp packages
+dpkg -l \*vpp\*
+
+
+echo List /proc/meminfo
+cat /proc/meminfo
+
+

test/resources/libraries/python/DUTSetup.py

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+# Copyright (c) 2015 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
+# limitations under the License.
+from robot.api import logger
+from topology import NodeType
+from ssh import SSH
+
+class DUTSetup(object):
+
+    def __init__(self):
+        pass
+
+    def setup_all_duts(self, nodes):
+        """Prepare all DUTs in given topology for test execution."""
+        for node in nodes.values():
+            if node['type'] == NodeType.DUT:
+                self.setup_dut(node)
+
+    def setup_dut(self, node):
+        ssh = SSH()
+        ssh.connect(node)
+
+        ssh.scp('resources/libraries/bash/dut_setup.sh', '/tmp/dut_setup.sh')
+        (ret_code, stdout, stderr) = \
+            ssh.exec_command('sudo -Sn bash /tmp/dut_setup.sh')
+        logger.trace(stdout)
+        if 0 != int(ret_code):
+            logger.error('DUT {0} setup script failed: "{1}"'.
+                    format(node['host'], stdout + stderr))
+            raise Exception('DUT test setup script failed at node {}'.
+                    format(node['host']))

test/resources/libraries/python/SetupFramework.py

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+# Copyright (c) 2015 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
+# limitations under the License.
+import shlex
+from ssh import SSH
+from subprocess import Popen, PIPE, call
+from tempfile import NamedTemporaryFile
+from os.path import basename
+from constants import Constants as con
+from robot.api import logger
+
+__all__ = ["SetupFramework"]
+
+class SetupFramework(object):
+    """Setup suite run on topology nodes.
+    
+    Many VAT/CLI based tests need the scripts at remote hosts before executing
+    them. This class packs the whole testing directory and copies it over
+    to all nodes in topology under /tmp/
+    
+    """
+
+    def __init__(self):
+        pass
+
+    def __pack_framework_dir(self):
+        """Pack the testing WS into temp file, return its name."""
+
+        tmpfile = NamedTemporaryFile(suffix=".tgz", prefix="openvpp-testing-")
+        file_name = tmpfile.name
+        tmpfile.close()
+
+        proc = Popen(shlex.split("tar -zcf {0} .".format(file_name)),
+                stdout=PIPE, stderr=PIPE)
+        (stdout, stderr) = proc.communicate()
+
+        logger.debug(stdout)
+        logger.debug(stderr)
+
+        return_code = proc.wait()
+        if 0 != return_code:
+            raise Exception("Could not pack testing framework.")
+
+        return file_name
+
+    def __copy_tarball_to_node(self, tarball, node):
+        logger.console('Copying tarball to {0}'.format(node['host']))
+        ssh = SSH()
+        ssh.connect(node)
+
+        ssh.scp(tarball, "/tmp/")
+
+    def __extract_tarball_at_node(self, tarball, node):
+        logger.console('Extracting tarball to {0} on {1}'.format(
+            con.REMOTE_FW_DIR, node['host'])) 
+        ssh = SSH()
+        ssh.connect(node)
+
+        cmd = 'rm -rf {1}; mkdir {1} ; sudo -Sn tar -zxf {0} -C {1};'.format(
+                tarball, con.REMOTE_FW_DIR)
+        (ret_code, stdout, stderr) = ssh.exec_command(cmd, timeout=30)
+        if 0 != ret_code:
+            logger.error('Unpack error: {0}'.format(stderr))
+            raise Exception('Failed to unpack {0} at node {1}'.format(
+                tarball, node['host']))
+
+    def __delete_local_tarball(self, tarball):
+        call(shlex.split('sh -c "rm {0} > /dev/null 2>&1"'.format(tarball)))
+
+    def setup_framework(self, nodes):
+        """Pack the whole directory and extract in temp on each node."""
+
+        tarball = self.__pack_framework_dir()
+        logger.console('Framework packed to {0}'.format(tarball))
+        remote_tarball = "/tmp/{0}".format(basename(tarball))
+
+        for node in nodes.values():
+            self.__copy_tarball_to_node(tarball, node)
+            self.__extract_tarball_at_node(remote_tarball, node)
+
+        logger.trace('Test framework copied to all topology nodes')
+        self.__delete_local_tarball(tarball)
+

test/resources/libraries/python/VatExecutor.py

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+# Copyright (c) 2015 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
+# limitations under the License.
+import os
+from ssh import SSH
+from robot.api import logger
+
+__all__ = []
+
+class VatExecutor(object):
+    
+    __TMP_DIR = "/tmp/"
+    __VAT_BIN = "vpe_api_test"
+
+    def __init__(self):
+        self._stdout = None
+        self._stderr = None
+        self._ret_code = None
+
+    def execute_script(self, local_path, node, timeout=10, json_out=True):
+        """Copy local_path script to node, execute it and return result.
+        
+        Returns (rc, stdout, stderr tuple).
+        """
+
+        ssh = SSH()
+        ssh.connect(node)
+
+        local_basename = os.path.basename(local_path)
+        remote_file_path = self.__TMP_DIR + local_basename
+        remote_file_out = remote_file_path + ".out"
+
+        ssh.scp(local_path, remote_file_path)
+
+        cmd = "sudo -S {vat} {json} < {input}".format(vat=self.__VAT_BIN, 
+                json="json" if json_out == True else "",
+                input=remote_file_path)
+        (ret_code, stdout, stderr) = ssh.exec_command(cmd, timeout)
+        self._ret_code = ret_code
+        self._stdout = stdout
+        self._stderr = stderr
+
+        logger.trace("Command '{0}' returned {1}'".format(cmd, self._ret_code))
+        logger.trace("stdout: '{0}'".format(self._stdout))
+        logger.trace("stderr: '{0}'".format(self._stderr))
+
+        #TODO: download vpe_api_test output file
+        self._delete_files(node, remote_file_path, remote_file_out)
+
+    def _delete_files(self, node, *files):
+        ssh = SSH()
+        ssh.connect(node)
+        files = " ".join([str(x) for x in files])
+        ssh.exec_command("rm {0}".format(files))
+
+    def script_should_have_failed(self):
+        if self._ret_code is None:
+            raise Exception("First execute the script!")
+        if self._ret_code == 0:
+            raise AssertionError(
+                    "Script execution passed, but failure was expected")
+
+    def script_should_have_passed(self):
+        if self._ret_code is None:
+            raise Exception("First execute the script!")
+        if self._ret_code != 0:
+            raise AssertionError(
+                    "Script execution failed, but success was expected")
+
+    def get_script_stdout(self):
+        return self._stdout
+
+    def get_script_stderr(self):
+        return self._stderr
+

test/resources/libraries/python/constants.py

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+# Copyright (c) 2015 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
+# limitations under the License.
+class Constants(object):
+    #OpenVPP testing directory location at topology nodes
+    REMOTE_FW_DIR = '/tmp/openvpp-testing'

test/resources/libraries/python/ssh.py

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+# Copyright (c) 2015 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
+# limitations under the License.
+import paramiko
+from scp import SCPClient
+from time import time
+from robot.api import logger
+
+__all__ = ["exec_cmd"]
+
+# TODO: Attempt to recycle SSH connections
+# TODO: load priv key
+
+class SSH(object):
+
+    __MAX_RECV_BUF = 10*1024*1024
+    __existing_connections = {}
+
+    def __init__(self):
+        self._ssh = paramiko.SSHClient()
+        self._ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+        self._hostname = None
+
+    def _node_hash(self, node):
+        return hash(frozenset([node['host'], node['port']]))
+
+    def connect(self, node):
+        """Connect to node prior to running exec_command or scp.
+
+        If there already is a connection to the node, this method reuses it.
+        """
+        self._hostname = node['host']
+        node_hash = self._node_hash(node)
+        if node_hash in self.__existing_connections:
+            self._ssh = self.__existing_connections[node_hash]
+        else:
+            start = time()
+            self._ssh.connect(node['host'], username=node['username'],
+                    password=node['password'])
+            self.__existing_connections[node_hash] = self._ssh
+            logger.trace('connect took {} seconds'.format(time() - start))
+
+    def exec_command(self, cmd, timeout=10):
+        """Execute SSH command on a new channel on the connected Node.
+
+        Returns (return_code, stdout, stderr).
+        """
+        start = time()
+        chan = self._ssh.get_transport().open_session()
+        if timeout is not None:
+            chan.settimeout(int(timeout))
+        chan.exec_command(cmd)
+        end = time()
+        logger.trace('exec_command "{0}" on {1} took {2} seconds'.format(cmd,
+            self._hostname, end-start))
+
+
+        stdout = ""
+        while True:
+            buf = chan.recv(self.__MAX_RECV_BUF)
+            stdout += buf
+            if not buf:
+                break
+
+        stderr = ""
+        while True:
+            buf = chan.recv_stderr(self.__MAX_RECV_BUF)
+            stderr += buf
+            if not buf:
+                break
+
+        return_code = chan.recv_exit_status()
+        logger.trace('chan_recv/_stderr took {} seconds'.format(time()-end))
+
+        return (return_code, stdout, stderr)
+
+    def scp(self, local_path, remote_path):
+        """Copy files from local_path to remote_path.
+
+        connect() method has to be called first!
+        """
+        logger.trace('SCP {0} to {1}:{2}'.format(
+            local_path, self._hostname, remote_path))
+        # SCPCLient takes a paramiko transport as its only argument
+        scp = SCPClient(self._ssh.get_transport())
+        start = time()
+        scp.put(local_path, remote_path)
+        scp.close()
+        end = time()
+        logger.trace('SCP took {0} seconds'.format(end-start))
+
+def exec_cmd(node, cmd, timeout=None):
+    """Convenience function to ssh/exec/return rc & out.
+
+    Returns (rc, stdout).
+    """
+    if node is None:
+        raise TypeError('Node parameter is None')
+    if cmd is None:
+        raise TypeError('Command parameter is None')
+    if len(cmd) == 0:
+        raise ValueError('Empty command parameter')
+
+    ssh = SSH()
+    try:
+        ssh.connect(node)
+    except Exception, e:
+        logger.error("Failed to connect to node" + e)
+        return None
+
+    try:
+        (ret_code, stdout, stderr) = ssh.exec_command(cmd, timeout=timeout)
+    except Exception, e:
+        logger.error(e)
+        return None
+
+    return (ret_code, stdout, stderr)
+

test/resources/libraries/python/topology.py

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+# Copyright (c) 2015 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
+# limitations under the License.
+
+#Defines nodes and topology structure.
+
+__all__ = ["DICT__nodes"]
+
+
+class NodeType(object):
+    DUT = 'DUT'
+    TG = 'TG'
+
+MOCK_DATA_FOR_NOW = {
+        'nodes' : {
+            'DUT1' : {
+                'type' : NodeType.DUT,
+                'host' : 'wasa-ucs-14',
+                'port' : 22,
+                'username' : '',
+                'password' : '',
+                },
+            'DUT2' : {
+                'type' : NodeType.DUT,
+                'host' : 'wasa-ucs-13',
+                'port' : 22,
+                'username' : '',
+                'password' : '',
+                },
+            'TG' : {
+                'type' : NodeType.TG,
+                'host' : 'wasa-ucs-12',
+                'port' : 22,
+                'username' : '',
+                'password' : '',
+                },
+            }
+        }
+
+DICT__nodes = MOCK_DATA_FOR_NOW['nodes']
+

test/resources/libraries/robot/default.robot

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+# Copyright (c) 2015 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
+# limitations under the License.
+*** Settings ***
+| Library | resources/libraries/python/DUTSetup.py
+
+*** Keywords ***
+| Setup all DUTs before test
+| | [Documentation] | Setup all DUTs in topology before test execution
+| | Setup All DUTs | ${nodes}
+

test/resources/libraries/robot/interfaces.robot

@@ -0,0 +1,20 @@
+# Copyright (c) 2015 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
+# limitations under the License.
+*** Settings ***
+| Resource | resources/libraries/robot/vat/interfaces.robot
+
+*** Keywords ***
+| VPP reports interfaces on | [Arguments] | ${node}
+| | VPP reports interfaces through VAT on | ${node}
+#| | VPP reports interfaces through ODL on | ${node}
+#| | VPP reports interfaces through DEBUGCLI on | ${node}

test/resources/libraries/robot/vat/interfaces.robot

@@ -0,0 +1,23 @@
+# Copyright (c) 2015 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
+# limitations under the License.
+*** Settings ***
+| Library | resources/libraries/python/VatExecutor.py
+
+*** Variables ***
+| ${VAT_DUMP_INTERFACES} | resources/templates/vat/dump_interfaces.vat
+
+*** Keywords ***
+| VPP reports interfaces through VAT on
+| | [Arguments] | ${node}
+| | Execute Script | ${VAT_DUMP_INTERFACES} | ${node}
+| | Script Should Have Passed 

test/resources/templates/vat/dump_interfaces.vat

@@ -0,0 +1,3 @@
+sw_interface_dump
+dump_interface_table
+quit

test/tests/suites/__init__.robot

@@ -0,0 +1,15 @@
+# Copyright (c) 2015 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
+# limitations under the License.
+*** Settings ***
+| Library | resources/libraries/python/SetupFramework.py
+| Suite Setup | Setup Framework | ${nodes}

test/tests/suites/bridge_domain/test.robot

@@ -0,0 +1,26 @@
+# Copyright (c) 2015 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
+# limitations under the License.
+*** Settings ***
+| Resource | resources/libraries/robot/default.robot
+| Resource | resources/libraries/robot/interfaces.robot
+| Test Setup | Setup all DUTs before test
+
+*** Test Cases ***
+| VPP reports interfaces
+| | VPP reports interfaces on | ${nodes['DUT1']}
+
+
+| Loop the test
+| | : FOR | ${INDEX} | in range | 10
+| | | VPP reports interfaces on | ${nodes['DUT1']}
+

test/tests/suites/vhost_user_dummy/__init__.robot

@@ -0,0 +1,14 @@
+# Copyright (c) 2015 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
+# limitations under the License.
+*** Settings ***
+| Documentation | Dummy test suite to test suite execution

test/tests/suites/vhost_user_dummy/test1.robot

@@ -0,0 +1,18 @@
+# Copyright (c) 2015 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
+# limitations under the License.
+*** Settings ***
+| Force Tags | vhost-user | hw
+
+*** Test Cases ***
+| Create vhost user interface on hw
+|   | Log | interface created

test/tests/suites/vhost_user_dummy/test2.robot

@@ -0,0 +1,18 @@
+# Copyright (c) 2015 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
+# limitations under the License.
+*** Settings ***
+| Force Tags | vhost-user | virl
+
+*** Test Cases ***
+| Create vhost user interface on virl
+| | Log | interface created