Add IRB test

- JIRA: CSIT-255
- create loopback interfaces
- move pg-interface specific arp and neighbor discovery from vpp_interface to vpp_pg_interface
- base configuration of IRB tests
- IP test scenario

Change-Id: I9945a188163652a4e22325877aef008c4d029557
Signed-off-by: Matej Klotton <mklotton@cisco.com>

1 files changed, 17 insertions, 2 deletions

diff --git a/test/framework.py b/test/framework.py
index b10592cf1e7..8dbc18fda4f 100644
--- a/test/framework.py
+++ b/test/framework.py
@@ -1,7 +1,5 @@
 #!/usr/bin/env python
 
-from abc import *
-import os
 import subprocess
 import unittest
 import tempfile
@@ -13,6 +11,7 @@ from threading import Thread
 from inspect import getdoc
 from hook import StepHook, PollHook
 from vpp_pg_interface import VppPGInterface
+from vpp_lo_interface import VppLoInterface
 from vpp_papi_provider import VppPapiProvider
 from scapy.packet import Raw
 from log import *
@@ -330,6 +329,22 @@ class VppTestCase(unittest.TestCase):
         cls.pg_interfaces = result
         return result
 
+    @classmethod
+    def create_loopback_interfaces(cls, interfaces):
+        """
+        Create loopback interfaces
+
+        :param interfaces: iterable indexes of the interfaces
+
+        """
+        result = []
+        for i in interfaces:
+            intf = VppLoInterface(cls, i)
+            setattr(cls, intf.name, intf)
+            result.append(intf)
+        cls.lo_interfaces = result
+        return result
+
     @staticmethod
     def extend_packet(packet, size):
         """