From 8d8a1da52907246c3218ea7c60ab8ca0569d0a83 Mon Sep 17 00:00:00 2001 From: Matej Klotton Date: Thu, 22 Dec 2016 11:06:56 +0100 Subject: make test: Loopback interface CRUD test Change-Id: I0581da7a682bfe4dd6520ecf1b2ea6bd8c20b1b3 Signed-off-by: Matej Klotton --- test/test_interface_crud.py | 151 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 151 insertions(+) create mode 100644 test/test_interface_crud.py (limited to 'test/test_interface_crud.py') diff --git a/test/test_interface_crud.py b/test/test_interface_crud.py new file mode 100644 index 00000000..63917047 --- /dev/null +++ b/test/test_interface_crud.py @@ -0,0 +1,151 @@ +#!/usr/bin/env python +"""CRUD tests of APIs (Create, Read, Update, Delete) HLD: + +- interface up/down/add/delete - interface type: + - pg (TBD) + - loopback + - vhostuser (TBD) + - af_packet (TBD) + - netmap (TBD) + - tuntap (root privileges needed) + - vxlan (TBD) +""" + +import unittest + +from scapy.layers.inet import IP, ICMP +from scapy.layers.l2 import Ether + +from framework import VppTestCase, VppTestRunner + + +class TestLoopbackInterfaceCRUD(VppTestCase): + """CRUD Loopback + + """ + + @classmethod + def setUpClass(cls): + super(TestLoopbackInterfaceCRUD, cls).setUpClass() + try: + cls.create_pg_interfaces(range(1)) + for i in cls.pg_interfaces: + i.config_ip4() + i.resolve_arp() + except: + cls.tearDownClass() + raise + + @staticmethod + def create_icmp_stream(src_if, dst_ifs): + """ + + :param VppInterface src_if: Packets are send to this interface, + using this interfaces remote host. + :param list dst_ifs: IPv4 ICMP requests are send to interfaces + addresses. + :return: List of generated packets. + """ + pkts = [] + for i in dst_ifs: + p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / + IP(src=src_if.remote_ip4, dst=i.local_ip4) / + ICMP(id=i.sw_if_index, type='echo-request')) + pkts.append(p) + return pkts + + def verify_icmp(self, capture, request_src_if, dst_ifs): + """ + + :param capture: Capture to verify. + :param VppInterface request_src_if: Interface where was send packets. + :param list dst_ifs: Interfaces where was generated IPv4 ICMP requests. + """ + rcvd_icmp_pkts = [] + for pkt in capture: + try: + ip = pkt[IP] + icmp = pkt[ICMP] + except IndexError: + pass + else: + info = (ip.src, ip.dst, icmp.type, icmp.id) + rcvd_icmp_pkts.append(info) + + for i in dst_ifs: + # 0 - icmp echo response + info = (i.local_ip4, request_src_if.remote_ip4, 0, i.sw_if_index) + self.assertIn(info, rcvd_icmp_pkts) + + def test_crud(self): + # create + loopbacks = self.create_loopback_interfaces(range(20)) + for i in loopbacks: + i.local_ip4_prefix_len = 32 + i.config_ip4() + i.admin_up() + + # read (check sw if dump, ip4 fib, ip6 fib) + if_dump = self.vapi.sw_interface_dump() + fib4_dump = self.vapi.ip_fib_dump() + for i in loopbacks: + self.assertTrue(i.is_interface_config_in_dump(if_dump)) + self.assertTrue(i.is_ip4_entry_in_fib_dump(fib4_dump)) + + # check ping + stream = self.create_icmp_stream(self.pg0, loopbacks) + self.pg0.add_stream(stream) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg0.get_capture(expected_count=len(stream)) + + self.verify_icmp(capture, self.pg0, loopbacks) + + # delete + for i in loopbacks: + i.remove_vpp_config() + + # read (check not in sw if dump, ip4 fib, ip6 fib) + if_dump = self.vapi.sw_interface_dump() + fib4_dump = self.vapi.ip_fib_dump() + for i in loopbacks: + self.assertFalse(i.is_interface_config_in_dump(if_dump)) + self.assertFalse(i.is_ip4_entry_in_fib_dump(fib4_dump)) + + # check not ping + stream = self.create_icmp_stream(self.pg0, loopbacks) + self.pg0.add_stream(stream) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + self.pg0.assert_nothing_captured() + + def test_down(self): + # create + loopbacks = self.create_loopback_interfaces(range(20)) + for i in loopbacks: + i.local_ip4_prefix_len = 32 + i.config_ip4() + i.admin_up() + + # disable + for i in loopbacks: + i.admin_down() + i.unconfig_ip4() + + # read (check not in sw if dump, ip4 fib, ip6 fib) + if_dump = self.vapi.sw_interface_dump() + fib4_dump = self.vapi.ip_fib_dump() + for i in loopbacks: + self.assertTrue(i.is_interface_config_in_dump(if_dump)) + self.assertFalse(i.is_ip4_entry_in_fib_dump(fib4_dump)) + + # check not ping + stream = self.create_icmp_stream(self.pg0, loopbacks) + self.pg0.add_stream(stream) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + self.pg0.assert_nothing_captured() + + +if __name__ == '__main__': + unittest.main(testRunner=VppTestRunner) -- cgit 1.2.3-korg