@Test
public void itLogsServerErrors() throws Exception {
header.setRcode(Rcode.REFUSED);
Name name = Name.fromString("John Wayne.");
Record question = Record.newRecord(name, 65530, 43210);
Message query = Message.newQuery(question);
Message response = mock(Message.class);
when(response.getHeader()).thenReturn(header);
when(response.getSectionArray(Section.ANSWER)).thenReturn(null);
when(response.getQuestion()).thenReturn(question);
when(nameServer.query(
any(Message.class), any(InetAddress.class), any(DNSAccessRecord.Builder.class)))
.thenThrow(new RuntimeException("Aw snap!"));
FakeAbstractProtocol abstractProtocol = new FakeAbstractProtocol(client, query.toWire());
abstractProtocol.setNameServer(nameServer);
abstractProtocol.run();
verify(accessLogger)
.info(
"144140678.000 qtype=DNS chi=192.168.23.45 ttms=345.123 xn=65535 fqdn=John\\032Wayne. type=TYPE65530 class=CLASS43210 rcode=SERVFAIL rtype=- rloc=\"-\" rdtl=- rerr=\"Server Error:RuntimeException:Aw snap!\" ttl=\"-\" ans=\"-\"");
}
@Before
public void before() throws Exception {
// force the xn field in the request
Random random = mock(Random.class);
Mockito.when(random.nextInt(0xffff)).thenReturn(65535);
whenNew(Random.class).withNoArguments().thenReturn(random);
mockStatic(System.class);
when(System.currentTimeMillis()).thenReturn(144140678000L).thenReturn(144140678345L);
when(System.nanoTime()).thenReturn(100000000L, 100000000L + 345123000L);
mockStatic(Logger.class);
when(Logger.getLogger("com.comcast.cdn.traffic_control.traffic_router.core.access"))
.thenReturn(accessLogger);
header = new Header();
header.setID(65535);
header.setFlag(Flags.QR);
client = Inet4Address.getByAddress(new byte[] {(byte) 192, (byte) 168, 23, 45});
nameServer = mock(NameServer.class);
}
@Test
public void itLogsARecordQueries() throws Exception {
header.setRcode(Rcode.NOERROR);
Name name = Name.fromString("www.example.com.");
Record question = Record.newRecord(name, Type.A, DClass.IN, 0L);
Message query = Message.newQuery(question);
query.getHeader().getRcode();
byte[] queryBytes = query.toWire();
whenNew(Message.class).withArguments(queryBytes).thenReturn(query);
InetAddress resolvedAddress = Inet4Address.getByName("192.168.8.9");
Record answer = new ARecord(name, DClass.IN, 3600L, resolvedAddress);
Record[] answers = new Record[] {answer};
Message response = mock(Message.class);
when(response.getHeader()).thenReturn(header);
when(response.getSectionArray(Section.ANSWER)).thenReturn(answers);
when(response.getQuestion()).thenReturn(question);
InetAddress client = Inet4Address.getByName("192.168.23.45");
when(nameServer.query(
any(Message.class), any(InetAddress.class), any(DNSAccessRecord.Builder.class)))
.thenReturn(response);
FakeAbstractProtocol abstractProtocol = new FakeAbstractProtocol(client, queryBytes);
abstractProtocol.setNameServer(nameServer);
abstractProtocol.run();
verify(accessLogger)
.info(
"144140678.000 qtype=DNS chi=192.168.23.45 ttms=345.123 xn=65535 fqdn=www.example.com. type=A class=IN rcode=NOERROR rtype=- rloc=\"-\" rdtl=- rerr=\"-\" ttl=\"3600\" ans=\"192.168.8.9\"");
}