diff options
Diffstat (limited to 'test/test_dns.py')
| -rw-r--r-- | test/test_dns.py | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/test/test_dns.py b/test/test_dns.py index fb8958c511b..acc9bfe889c 100644 --- a/test/test_dns.py +++ b/test/test_dns.py @@ -15,7 +15,7 @@ from scapy.layers.dns import DNSRR, DNS, DNSQR class TestDns(VppTestCase): - """ Dns Test Cases """ + """Dns Test Cases""" @classmethod def setUpClass(cls): @@ -43,15 +43,19 @@ class TestDns(VppTestCase): :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"))) + 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 @@ -65,14 +69,15 @@ class TestDns(VppTestCase): 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') + self.assertEqual(dns.an[0].rdata, "1.2.3.4") def test_dns_unittest(self): - """ DNS Name Resolver Basic Functional Test """ + """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) + is_ip6=0, is_add=1, server_address=IPv4Address("8.8.8.8").packed + ) # Enable name resolution self.vapi.dns_enable_disable(enable=1) @@ -81,13 +86,13 @@ class TestDns(VppTestCase): 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=b'bozo.clown.org') - self.assertEqual(rv.ip4_address, IPv4Address(u'1.2.3.4').packed) + rv = self.vapi.dns_resolve_name(name=b"bozo.clown.org") + self.assertEqual(rv.ip4_address, IPv4Address("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="127.0.0.1/8") + sw_if_index=self.pg0.sw_if_index, prefix="127.0.0.1/8" + ) # Send a couple of DNS request packets, one for bozo.clown.org # and one for no.clown.org which won't resolve @@ -102,8 +107,9 @@ class TestDns(VppTestCase): # 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) + self.assertIn("1.2.3.4", str) + self.assertIn("[P] no.clown.org:", str) -if __name__ == '__main__': + +if __name__ == "__main__": unittest.main(testRunner=VppTestRunner) |