diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/test_dns.py | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/test/test_dns.py b/test/test_dns.py deleted file mode 100644 index 307e73c983a..00000000000 --- a/test/test_dns.py +++ /dev/null @@ -1,110 +0,0 @@ -#!/usr/bin/env python - -import unittest - -from framework import VppTestCase, VppTestRunner -from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath -from vpp_ip import VppIpPrefix -from ipaddress import * - -import scapy.compat -from scapy.contrib.mpls import MPLS -from scapy.layers.inet import IP, UDP, TCP, ICMP, icmptypes, icmpcodes -from scapy.layers.l2 import Ether -from scapy.packet import Raw -from scapy.layers.dns import DNSRR, DNS, DNSQR - - -class TestDns(VppTestCase): - """ Dns Test Cases """ - - @classmethod - def setUpClass(cls): - super(TestDns, cls).setUpClass() - - @classmethod - def tearDownClass(cls): - super(TestDns, cls).tearDownClass() - - def setUp(self): - super(TestDns, self).setUp() - - self.create_pg_interfaces(range(1)) - - for i in self.pg_interfaces: - i.admin_up() - i.config_ip4() - i.resolve_arp() - - def tearDown(self): - super(TestDns, self).tearDown() - - def create_stream(self, src_if): - """Create input packet stream for defined interface. - - :param VppInterface src_if: Interface to create packet stream for. - """ - good_request = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / - IP(src=src_if.remote_ip4) / - UDP(sport=1234, dport=53) / - DNS(rd=1, qd=DNSQR(qname="bozo.clown.org"))) - - bad_request = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / - IP(src=src_if.remote_ip4) / - UDP(sport=1234, dport=53) / - DNS(rd=1, qd=DNSQR(qname="no.clown.org"))) - pkts = [good_request, bad_request] - return pkts - - def verify_capture(self, dst_if, capture): - """Verify captured input packet stream for defined interface. - - :param VppInterface dst_if: Interface to verify captured packet stream - for. - :param list capture: Captured packet stream. - """ - self.logger.info("Verifying capture on interface %s" % dst_if.name) - for packet in capture: - dns = packet[DNS] - self.assertEqual(dns.an[0].rdata, '1.2.3.4') - - def test_dns_unittest(self): - """ DNS Name Resolver Basic Functional Test """ - - # Set up an upstream name resolver. We won't actually go there - self.vapi.dns_name_server_add_del( - is_ip6=0, is_add=1, server_address=IPv4Address(u'8.8.8.8').packed) - - # Enable name resolution - self.vapi.dns_enable_disable(enable=1) - - # Manually add a static dns cache entry - self.logger.info(self.vapi.cli("dns cache add bozo.clown.org 1.2.3.4")) - - # Test the binary API - rv = self.vapi.dns_resolve_name(name='bozo.clown.org') - self.assertEqual(rv.ip4_address, IPv4Address(u'1.2.3.4').packed) - - # Configure 127.0.0.1/8 on the pg interface - self.vapi.sw_interface_add_del_address( - sw_if_index=self.pg0.sw_if_index, - prefix=VppIpPrefix("127.0.0.1", 8).encode()) - - # Send a couple of DNS request packets, one for bozo.clown.org - # and one for no.clown.org which won't resolve - - pkts = self.create_stream(self.pg0) - self.pg0.add_stream(pkts) - self.pg_enable_capture(self.pg_interfaces) - - self.pg_start() - pkts = self.pg0.get_capture(1) - self.verify_capture(self.pg0, pkts) - - # Make sure that the cache contents are correct - str = self.vapi.cli("show dns cache verbose") - self.assertIn('1.2.3.4', str) - self.assertIn('[P] no.clown.org:', str) - -if __name__ == '__main__': - unittest.main(testRunner=VppTestRunner) |