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authorDave Barach <dave@barachs.net>2019-08-21 19:23:00 -0400
committerFlorin Coras <florin.coras@gmail.com>2019-08-22 15:05:49 +0000
commit34af0ccf5cf27d8a72119626d2d009222e4ff0a6 (patch)
treeab108d50c4b59de2122dd5f6cd8f06f3543a2b47 /test
parent2ca9a84bd00f2aee642d0147c1b99d4be5725a70 (diff)
dns: make the dns name resolver a plugin
Type: refactor Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I823c2cd307a4613653a2d20f564dda062d4da31b
Diffstat (limited to 'test')
-rw-r--r--test/test_dns.py110
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)