hs-test: clean up Makefile for compatibility with ci-management

[vpp.git] / test / test_dvr.py

diff --git a/test/test_dvr.py b/test/test_dvr.py
index 07ea787..e616408 100644 (file)
--- a/test/test_dvr.py
+++ b/test/test_dvr.py
@@ -1,19 +1,32 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3

 import unittest
 
 import unittest
 

-from framework import VppTestCase, VppTestRunner
-from vpp_sub_interface import VppDot1QSubint
-from vpp_ip_route import VppIpRoute, VppRoutePath
-from vpp_papi_provider import L2_VTR_OP, L2_PORT_TYPE
+from framework import VppTestCase
+from asfframework import VppTestRunner
+from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathType
+from vpp_l2 import L2_PORT_TYPE
+from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint
+from vpp_acl import AclRule, VppAcl, VppAclInterface

 
 from scapy.packet import Raw
 from scapy.layers.l2 import Ether, Dot1Q
 from scapy.layers.inet import IP, UDP
 
 from scapy.packet import Raw
 from scapy.layers.l2 import Ether, Dot1Q
 from scapy.layers.inet import IP, UDP

-from socket import AF_INET, inet_pton
+from socket import AF_INET
+from ipaddress import IPv4Network
+
+NUM_PKTS = 67

 
 
 class TestDVR(VppTestCase):
 
 
 class TestDVR(VppTestCase):

-    """ Distributed Virtual Router """
+    """Distributed Virtual Router"""
+
+    @classmethod
+    def setUpClass(cls):
+        super(TestDVR, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(TestDVR, cls).tearDownClass()

 
     def setUp(self):
         super(TestDVR, self).setUp()
 
     def setUp(self):
         super(TestDVR, self).setUp()


@@ -50,7 +63,7 @@ class TestDVR(VppTestCase):
             self.assertFalse(p.haslayer(Dot1Q))
 
     def test_dvr(self):
             self.assertFalse(p.haslayer(Dot1Q))
 
     def test_dvr(self):

-        """ Distributed Virtual Router """
+        """Distributed Virtual Router"""

 
         #
         # A packet destined to an IP address that is L2 bridged via
 
         #
         # A packet destined to an IP address that is L2 bridged via


@@ -60,18 +73,18 @@ class TestDVR(VppTestCase):
         ip_tag_bridged = "10.10.10.11"
         any_src_addr = "1.1.1.1"
 
         ip_tag_bridged = "10.10.10.11"
         any_src_addr = "1.1.1.1"
 

-        pkt_no_tag = (Ether(src=self.pg0.remote_mac,
-                            dst=self.loop0.local_mac) /
-                      IP(src=any_src_addr,
-                         dst=ip_non_tag_bridged) /
-                      UDP(sport=1234, dport=1234) /
-                      Raw('\xa5' * 100))
-        pkt_tag = (Ether(src=self.pg0.remote_mac,
-                         dst=self.loop0.local_mac) /
-                   IP(src=any_src_addr,
-                      dst=ip_tag_bridged) /
-                   UDP(sport=1234, dport=1234) /
-                   Raw('\xa5' * 100))
+        pkt_no_tag = (
+            Ether(src=self.pg0.remote_mac, dst=self.loop0.local_mac)
+            / IP(src=any_src_addr, dst=ip_non_tag_bridged)
+            / UDP(sport=1234, dport=1234)
+            / Raw(b"\xa5" * 100)
+        )
+        pkt_tag = (
+            Ether(src=self.pg0.remote_mac, dst=self.loop0.local_mac)
+            / IP(src=any_src_addr, dst=ip_tag_bridged)
+            / UDP(sport=1234, dport=1234)
+            / Raw(b"\xa5" * 100)
+        )

 
         #
         # Two sub-interfaces so we can test VLAN tag push/pop
 
         #
         # Two sub-interfaces so we can test VLAN tag push/pop


@@ -85,39 +98,52 @@ class TestDVR(VppTestCase):
         # Put all the interfaces into a new bridge domain
         #
         self.vapi.sw_interface_set_l2_bridge(
         # Put all the interfaces into a new bridge domain
         #
         self.vapi.sw_interface_set_l2_bridge(

-            rx_sw_if_index=self.pg0.sw_if_index, bd_id=1)
+            rx_sw_if_index=self.pg0.sw_if_index, bd_id=1
+        )

         self.vapi.sw_interface_set_l2_bridge(
         self.vapi.sw_interface_set_l2_bridge(

-            rx_sw_if_index=self.pg1.sw_if_index, bd_id=1)
+            rx_sw_if_index=self.pg1.sw_if_index, bd_id=1
+        )

         self.vapi.sw_interface_set_l2_bridge(
         self.vapi.sw_interface_set_l2_bridge(

-            rx_sw_if_index=sub_if_on_pg2.sw_if_index, bd_id=1)
+            rx_sw_if_index=sub_if_on_pg2.sw_if_index, bd_id=1
+        )

         self.vapi.sw_interface_set_l2_bridge(
         self.vapi.sw_interface_set_l2_bridge(

-            rx_sw_if_index=sub_if_on_pg3.sw_if_index, bd_id=1)
+            rx_sw_if_index=sub_if_on_pg3.sw_if_index, bd_id=1
+        )

         self.vapi.sw_interface_set_l2_bridge(
         self.vapi.sw_interface_set_l2_bridge(

-            rx_sw_if_index=self.loop0.sw_if_index, bd_id=1,
-            port_type=L2_PORT_TYPE.BVI)
+            rx_sw_if_index=self.loop0.sw_if_index, bd_id=1, port_type=L2_PORT_TYPE.BVI
+        )

 
         self.vapi.l2_interface_vlan_tag_rewrite(
 
         self.vapi.l2_interface_vlan_tag_rewrite(

-            sw_if_index=sub_if_on_pg2.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1,
-            push_dot1q=92)
+            sw_if_index=sub_if_on_pg2.sw_if_index,
+            vtr_op=L2_VTR_OP.L2_POP_1,
+            push_dot1q=92,
+        )

         self.vapi.l2_interface_vlan_tag_rewrite(
         self.vapi.l2_interface_vlan_tag_rewrite(

-            sw_if_index=sub_if_on_pg3.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1,
-            push_dot1q=93)
+            sw_if_index=sub_if_on_pg3.sw_if_index,
+            vtr_op=L2_VTR_OP.L2_POP_1,
+            push_dot1q=93,
+        )

 
         #
         # Add routes to bridge the traffic via a tagged an nontagged interface
         #
         route_no_tag = VppIpRoute(
 
         #
         # Add routes to bridge the traffic via a tagged an nontagged interface
         #
         route_no_tag = VppIpRoute(

-            self, ip_non_tag_bridged, 32,
-            [VppRoutePath("0.0.0.0",
-                          self.pg1.sw_if_index,
-                          is_dvr=1)])
+            self,
+            ip_non_tag_bridged,
+            32,
+            [
+                VppRoutePath(
+                    "0.0.0.0", self.pg1.sw_if_index, type=FibPathType.FIB_PATH_TYPE_DVR
+                )
+            ],
+        )

         route_no_tag.add_vpp_config()
 
         #
         # Inject the packet that arrives and leaves on a non-tagged interface
         # Since it's 'bridged' expect that the MAC headed is unchanged.
         #
         route_no_tag.add_vpp_config()
 
         #
         # Inject the packet that arrives and leaves on a non-tagged interface
         # Since it's 'bridged' expect that the MAC headed is unchanged.
         #

-        rx = self.send_and_expect(self.pg0, pkt_no_tag * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, pkt_no_tag * NUM_PKTS, self.pg1)

         self.assert_same_mac_addr(pkt_no_tag, rx)
         self.assert_has_no_tag(rx)
 
         self.assert_same_mac_addr(pkt_no_tag, rx)
         self.assert_has_no_tag(rx)
 


@@ -125,112 +151,122 @@ class TestDVR(VppTestCase):
         # Add routes to bridge the traffic via a tagged interface
         #
         route_with_tag = VppIpRoute(
         # Add routes to bridge the traffic via a tagged interface
         #
         route_with_tag = VppIpRoute(

-            self, ip_tag_bridged, 32,
-            [VppRoutePath("0.0.0.0",
-                          sub_if_on_pg3.sw_if_index,
-                          is_dvr=1)])
+            self,
+            ip_tag_bridged,
+            32,
+            [
+                VppRoutePath(
+                    "0.0.0.0",
+                    sub_if_on_pg3.sw_if_index,
+                    type=FibPathType.FIB_PATH_TYPE_DVR,
+                )
+            ],
+        )

         route_with_tag.add_vpp_config()
 
         #
         # Inject the packet that arrives non-tag and leaves on a tagged
         # interface
         #
         route_with_tag.add_vpp_config()
 
         #
         # Inject the packet that arrives non-tag and leaves on a tagged
         # interface
         #

-        rx = self.send_and_expect(self.pg0, pkt_tag * 65, self.pg3)
+        rx = self.send_and_expect(self.pg0, pkt_tag * NUM_PKTS, self.pg3)

         self.assert_same_mac_addr(pkt_tag, rx)
         self.assert_has_vlan_tag(93, rx)
 
         #
         # Tag to tag
         #
         self.assert_same_mac_addr(pkt_tag, rx)
         self.assert_has_vlan_tag(93, rx)
 
         #
         # Tag to tag
         #

-        pkt_tag_to_tag = (Ether(src=self.pg2.remote_mac,
-                                dst=self.loop0.local_mac) /
-                          Dot1Q(vlan=92) /
-                          IP(src=any_src_addr,
-                             dst=ip_tag_bridged) /
-                          UDP(sport=1234, dport=1234) /
-                          Raw('\xa5' * 100))
-
-        rx = self.send_and_expect(self.pg2, pkt_tag_to_tag * 65, self.pg3)
+        pkt_tag_to_tag = (
+            Ether(src=self.pg2.remote_mac, dst=self.loop0.local_mac)
+            / Dot1Q(vlan=92)
+            / IP(src=any_src_addr, dst=ip_tag_bridged)
+            / UDP(sport=1234, dport=1234)
+            / Raw(b"\xa5" * 100)
+        )
+
+        rx = self.send_and_expect(self.pg2, pkt_tag_to_tag * NUM_PKTS, self.pg3)

         self.assert_same_mac_addr(pkt_tag_to_tag, rx)
         self.assert_has_vlan_tag(93, rx)
 
         #
         # Tag to non-Tag
         #
         self.assert_same_mac_addr(pkt_tag_to_tag, rx)
         self.assert_has_vlan_tag(93, rx)
 
         #
         # Tag to non-Tag
         #

-        pkt_tag_to_non_tag = (Ether(src=self.pg2.remote_mac,
-                                    dst=self.loop0.local_mac) /
-                              Dot1Q(vlan=92) /
-                              IP(src=any_src_addr,
-                                 dst=ip_non_tag_bridged) /
-                              UDP(sport=1234, dport=1234) /
-                              Raw('\xa5' * 100))
-
-        rx = self.send_and_expect(self.pg2, pkt_tag_to_non_tag * 65, self.pg1)
+        pkt_tag_to_non_tag = (
+            Ether(src=self.pg2.remote_mac, dst=self.loop0.local_mac)
+            / Dot1Q(vlan=92)
+            / IP(src=any_src_addr, dst=ip_non_tag_bridged)
+            / UDP(sport=1234, dport=1234)
+            / Raw(b"\xa5" * 100)
+        )
+
+        rx = self.send_and_expect(self.pg2, pkt_tag_to_non_tag * NUM_PKTS, self.pg1)

         self.assert_same_mac_addr(pkt_tag_to_tag, rx)
         self.assert_has_no_tag(rx)
 
         #
         # Add an output L3 ACL that will block the traffic
         #
         self.assert_same_mac_addr(pkt_tag_to_tag, rx)
         self.assert_has_no_tag(rx)
 
         #
         # Add an output L3 ACL that will block the traffic
         #

-        rule_1 = ({'is_permit': 0,
-                   'is_ipv6': 0,
-                   'proto': 17,
-                   'srcport_or_icmptype_first': 1234,
-                   'srcport_or_icmptype_last': 1234,
-                   'src_ip_prefix_len': 32,
-                   'src_ip_addr': inet_pton(AF_INET, any_src_addr),
-                   'dstport_or_icmpcode_first': 1234,
-                   'dstport_or_icmpcode_last': 1234,
-                   'dst_ip_prefix_len': 32,
-                   'dst_ip_addr': inet_pton(AF_INET, ip_non_tag_bridged)})
-        acl = self.vapi.acl_add_replace(acl_index=4294967295,
-                                        r=[rule_1])
+        rule_1 = AclRule(
+            is_permit=0,
+            proto=17,
+            ports=1234,
+            src_prefix=IPv4Network((any_src_addr, 32)),
+            dst_prefix=IPv4Network((ip_non_tag_bridged, 32)),
+        )
+        acl = VppAcl(self, rules=[rule_1])
+        acl.add_vpp_config()

 
         #
         # Apply the ACL on the output interface
         #
 
         #
         # Apply the ACL on the output interface
         #

-        self.vapi.acl_interface_set_acl_list(self.pg1.sw_if_index,
-                                             0,
-                                             [acl.acl_index])
+        acl_if1 = VppAclInterface(
+            self, sw_if_index=self.pg1.sw_if_index, n_input=0, acls=[acl]
+        )
+        acl_if1.add_vpp_config()

 
         #
         # Send packet's that should match the ACL and be dropped
         #
 
         #
         # Send packet's that should match the ACL and be dropped
         #

-        rx = self.send_and_assert_no_replies(self.pg2, pkt_tag_to_non_tag * 65)
+        rx = self.send_and_assert_no_replies(self.pg2, pkt_tag_to_non_tag * NUM_PKTS)

 
         #
         # cleanup
         #
 
         #
         # cleanup
         #

-        self.vapi.acl_interface_set_acl_list(self.pg1.sw_if_index,
-                                             0, [])
-        self.vapi.acl_del(acl.acl_index)
+        acl_if1.remove_vpp_config()
+        acl.remove_vpp_config()

 
         self.vapi.sw_interface_set_l2_bridge(
 
         self.vapi.sw_interface_set_l2_bridge(

-            rx_sw_if_index=self.pg0.sw_if_index, bd_id=1, enable=0)
+            rx_sw_if_index=self.pg0.sw_if_index, bd_id=1, enable=0
+        )

         self.vapi.sw_interface_set_l2_bridge(
         self.vapi.sw_interface_set_l2_bridge(

-            rx_sw_if_index=self.pg1.sw_if_index, bd_id=1, enable=0)
+            rx_sw_if_index=self.pg1.sw_if_index, bd_id=1, enable=0
+        )

         self.vapi.sw_interface_set_l2_bridge(
         self.vapi.sw_interface_set_l2_bridge(

-            rx_sw_if_index=sub_if_on_pg2.sw_if_index, bd_id=1, enable=0)
+            rx_sw_if_index=sub_if_on_pg2.sw_if_index, bd_id=1, enable=0
+        )

         self.vapi.sw_interface_set_l2_bridge(
         self.vapi.sw_interface_set_l2_bridge(

-            rx_sw_if_index=sub_if_on_pg3.sw_if_index, bd_id=1, enable=0)
+            rx_sw_if_index=sub_if_on_pg3.sw_if_index, bd_id=1, enable=0
+        )

         self.vapi.sw_interface_set_l2_bridge(
         self.vapi.sw_interface_set_l2_bridge(

-            rx_sw_if_index=self.loop0.sw_if_index, bd_id=1,
-            port_type=L2_PORT_TYPE.BVI, enable=0)
+            rx_sw_if_index=self.loop0.sw_if_index,
+            bd_id=1,
+            port_type=L2_PORT_TYPE.BVI,
+            enable=0,
+        )

 
         #
         # Do a FIB dump to make sure the paths are correctly reported as DVR
         #
 
         #
         # Do a FIB dump to make sure the paths are correctly reported as DVR
         #

-        routes = self.vapi.ip_fib_dump()
+        routes = self.vapi.ip_route_dump(0)

 
         for r in routes:
 
         for r in routes:

-            if (inet_pton(AF_INET, ip_tag_bridged) == r.address):
-                self.assertEqual(r.path[0].sw_if_index,
-                                 sub_if_on_pg3.sw_if_index)
-                self.assertEqual(r.path[0].is_dvr, 1)
-            if (inet_pton(AF_INET, ip_non_tag_bridged) == r.address):
-                self.assertEqual(r.path[0].sw_if_index,
-                                 self.pg1.sw_if_index)
-                self.assertEqual(r.path[0].is_dvr, 1)
+            if ip_tag_bridged == str(r.route.prefix.network_address):
+                self.assertEqual(
+                    r.route.paths[0].sw_if_index, sub_if_on_pg3.sw_if_index
+                )
+                self.assertEqual(r.route.paths[0].type, FibPathType.FIB_PATH_TYPE_DVR)
+            if ip_non_tag_bridged == str(r.route.prefix.network_address):
+                self.assertEqual(r.route.paths[0].sw_if_index, self.pg1.sw_if_index)
+                self.assertEqual(r.route.paths[0].type, FibPathType.FIB_PATH_TYPE_DVR)

 
         #
         # the explicit route delete is require so it happens before
 
         #
         # the explicit route delete is require so it happens before


@@ -242,155 +278,6 @@ class TestDVR(VppTestCase):
         sub_if_on_pg3.remove_vpp_config()
         sub_if_on_pg2.remove_vpp_config()
 
         sub_if_on_pg3.remove_vpp_config()
         sub_if_on_pg2.remove_vpp_config()
 

-    def test_l2_emulation(self):
-        """ L2 Emulation """
-
-        #
-        # non distinct L3 packets, in the tag/non-tag combos
-        #
-        pkt_no_tag = (Ether(src=self.pg0.remote_mac,
-                            dst=self.pg1.remote_mac) /
-                      IP(src="2.2.2.2",
-                         dst="1.1.1.1") /
-                      UDP(sport=1234, dport=1234) /
-                      Raw('\xa5' * 100))
-        pkt_to_tag = (Ether(src=self.pg0.remote_mac,
-                            dst=self.pg2.remote_mac) /
-                      IP(src="2.2.2.2",
-                         dst="1.1.1.2") /
-                      UDP(sport=1234, dport=1234) /
-                      Raw('\xa5' * 100))
-        pkt_from_tag = (Ether(src=self.pg3.remote_mac,
-                              dst=self.pg2.remote_mac) /
-                        Dot1Q(vlan=93) /
-                        IP(src="2.2.2.2",
-                           dst="1.1.1.1") /
-                        UDP(sport=1234, dport=1234) /
-                        Raw('\xa5' * 100))
-        pkt_from_to_tag = (Ether(src=self.pg3.remote_mac,
-                                 dst=self.pg2.remote_mac) /
-                           Dot1Q(vlan=93) /
-                           IP(src="2.2.2.2",
-                              dst="1.1.1.2") /
-                           UDP(sport=1234, dport=1234) /
-                           Raw('\xa5' * 100))
-        pkt_bcast = (Ether(src=self.pg0.remote_mac,
-                           dst="ff:ff:ff:ff:ff:ff") /
-                     IP(src="2.2.2.2",
-                        dst="255.255.255.255") /
-                     UDP(sport=1234, dport=1234) /
-                     Raw('\xa5' * 100))
-
-        #
-        # A couple of sub-interfaces for tags
-        #
-        sub_if_on_pg2 = VppDot1QSubint(self, self.pg2, 92)
-        sub_if_on_pg3 = VppDot1QSubint(self, self.pg3, 93)
-        sub_if_on_pg2.admin_up()
-        sub_if_on_pg3.admin_up()
-
-        #
-        # Put all the interfaces into a new bridge domain
-        #
-        self.vapi.sw_interface_set_l2_bridge(
-            rx_sw_if_index=self.pg0.sw_if_index, bd_id=1)
-        self.vapi.sw_interface_set_l2_bridge(
-            rx_sw_if_index=self.pg1.sw_if_index, bd_id=1)
-        self.vapi.sw_interface_set_l2_bridge(
-            rx_sw_if_index=sub_if_on_pg2.sw_if_index, bd_id=1)
-        self.vapi.sw_interface_set_l2_bridge(
-            rx_sw_if_index=sub_if_on_pg3.sw_if_index, bd_id=1)
-        self.vapi.l2_interface_vlan_tag_rewrite(
-            sw_if_index=sub_if_on_pg2.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1,
-            push_dot1q=92)
-        self.vapi.l2_interface_vlan_tag_rewrite(
-            sw_if_index=sub_if_on_pg3.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1,
-            push_dot1q=93)
-
-        #
-        # Disable UU flooding, learning and ARP terminaation. makes this test
-        # easier as unicast packets are dropped if not extracted.
-        #
-        self.vapi.bridge_flags(bd_id=1, is_set=0,
-                               flags=(1 << 0) | (1 << 3) | (1 << 4))
-
-        #
-        # Add a DVR route to steer traffic at L3
-        #
-        route_1 = VppIpRoute(self, "1.1.1.1", 32,
-                             [VppRoutePath("0.0.0.0",
-                                           self.pg1.sw_if_index,
-                                           is_dvr=1)])
-        route_2 = VppIpRoute(self, "1.1.1.2", 32,
-                             [VppRoutePath("0.0.0.0",
-                                           sub_if_on_pg2.sw_if_index,
-                                           is_dvr=1)])
-        route_1.add_vpp_config()
-        route_2.add_vpp_config()
-
-        #
-        # packets are dropped because bridge does not flood unknown unicast
-        #
-        self.send_and_assert_no_replies(self.pg0, pkt_no_tag)
-
-        #
-        # Enable L3 extraction on pgs
-        #
-        self.vapi.l2_emulation(self.pg0.sw_if_index)
-        self.vapi.l2_emulation(self.pg1.sw_if_index)
-        self.vapi.l2_emulation(sub_if_on_pg2.sw_if_index)
-        self.vapi.l2_emulation(sub_if_on_pg3.sw_if_index)
-
-        #
-        # now we expect the packet forward according to the DVR route
-        #
-        rx = self.send_and_expect(self.pg0, pkt_no_tag * 65, self.pg1)
-        self.assert_same_mac_addr(pkt_no_tag, rx)
-        self.assert_has_no_tag(rx)
-
-        rx = self.send_and_expect(self.pg0, pkt_to_tag * 65, self.pg2)
-        self.assert_same_mac_addr(pkt_to_tag, rx)
-        self.assert_has_vlan_tag(92, rx)
-
-        rx = self.send_and_expect(self.pg3, pkt_from_tag * 65, self.pg1)
-        self.assert_same_mac_addr(pkt_from_tag, rx)
-        self.assert_has_no_tag(rx)
-
-        rx = self.send_and_expect(self.pg3, pkt_from_to_tag * 65, self.pg2)
-        self.assert_same_mac_addr(pkt_from_tag, rx)
-        self.assert_has_vlan_tag(92, rx)
-
-        #
-        # but broadcast packets are still flooded
-        #
-        self.send_and_expect(self.pg0, pkt_bcast * 33, self.pg2)
-
-        #
-        # cleanup
-        #
-        self.vapi.l2_emulation(self.pg0.sw_if_index,
-                               enable=0)
-        self.vapi.l2_emulation(self.pg1.sw_if_index,
-                               enable=0)
-        self.vapi.l2_emulation(sub_if_on_pg2.sw_if_index,
-                               enable=0)
-        self.vapi.l2_emulation(sub_if_on_pg3.sw_if_index,
-                               enable=0)
-
-        self.vapi.sw_interface_set_l2_bridge(
-            rx_sw_if_index=self.pg0.sw_if_index, bd_id=1, enable=0)
-        self.vapi.sw_interface_set_l2_bridge(
-            rx_sw_if_index=self.pg1.sw_if_index, bd_id=1, enable=0)
-        self.vapi.sw_interface_set_l2_bridge(
-            rx_sw_if_index=sub_if_on_pg2.sw_if_index, bd_id=1, enable=0)
-        self.vapi.sw_interface_set_l2_bridge(
-            rx_sw_if_index=sub_if_on_pg3.sw_if_index, bd_id=1, enable=0)
-
-        route_1.remove_vpp_config()
-        route_2.remove_vpp_config()
-        sub_if_on_pg3.remove_vpp_config()
-        sub_if_on_pg2.remove_vpp_config()
-

 
 

-if __name__ == '__main__':
+if __name__ == "__main__":

     unittest.main(testRunner=VppTestRunner)
     unittest.main(testRunner=VppTestRunner)