public void Test_IQUERY_TCP()
{
var connectedInvoked = false;
var beginConnectInvoked = false;
var getSendStreamInvoked = false;
var getReceiveStreamInvoked = false;
var disposeInvoked = false;
var sendStream = new MemoryStream();
var receiveStream = new MemoryStream(ReceivedData);
var streamSocketFactory = new MockStreamSocketFactory(
() =>
{
Assert.IsFalse(connectedInvoked);
Assert.IsTrue(beginConnectInvoked);
Assert.IsFalse(getSendStreamInvoked);
Assert.IsFalse(getReceiveStreamInvoked);
Assert.IsFalse(disposeInvoked);
connectedInvoked = true;
return(true);
},
(address, port, requestCallback, state) =>
{
Assert.AreEqual("192.168.11.1", address.ToString());
Assert.AreEqual(53, port);
Assert.IsNull(requestCallback);
Assert.IsNull(state);
Assert.IsFalse(connectedInvoked);
Assert.IsFalse(beginConnectInvoked);
Assert.IsFalse(getSendStreamInvoked);
Assert.IsFalse(getReceiveStreamInvoked);
Assert.IsFalse(disposeInvoked);
var result = new MockConnectAsyncResult();
beginConnectInvoked = true;
return(result);
},
() =>
{
Assert.IsTrue(connectedInvoked);
Assert.IsTrue(beginConnectInvoked);
Assert.IsFalse(getSendStreamInvoked);
Assert.IsFalse(getReceiveStreamInvoked);
Assert.IsFalse(disposeInvoked);
getSendStreamInvoked = true;
return(sendStream);
},
() =>
{
Assert.IsTrue(connectedInvoked);
Assert.IsTrue(beginConnectInvoked);
Assert.IsTrue(getSendStreamInvoked);
Assert.IsFalse(getReceiveStreamInvoked);
Assert.IsFalse(disposeInvoked);
getReceiveStreamInvoked = true;
return(receiveStream);
},
() =>
{
Assert.IsTrue(connectedInvoked);
Assert.IsTrue(beginConnectInvoked);
Assert.IsTrue(getSendStreamInvoked);
Assert.IsTrue(getReceiveStreamInvoked);
Assert.IsFalse(disposeInvoked);
disposeInvoked = true;
});
var options = new DnsResolverOptions
{
Timeout = 1000,
RetryCount = 3,
Recursion = true,
UseCache = true
};
var resolver = new TcpDnsResolver(
options,
streamSocketFactory,
new IPEndpoint(IPAddress.Parse("192.168.11.1"), 53), new Random(0));
var response = resolver.Query("167.11.168.192.in-addr.arpa", QType.PTR, QClass.IN);
Assert.AreEqual(0, response.Error.Length);
sendStream.ToArray().ShouldEqual(ExpectedSendData);
Assert.AreEqual(1, response.header.ANCOUNT);
Assert.AreEqual(1, response.Answers.Count);
var answerRR = response.Answers.First();
Assert.AreEqual("167.11.168.192.in-addr.arpa.", answerRR.NAME);
Assert.AreEqual(0u, answerRR.TTL);
Assert.AreEqual(Class.IN, answerRR.Class);
Assert.AreEqual(Lanscan.Networking.Dns.RecordType.PTR, answerRR.Type);
Assert.IsInstanceOfType(answerRR.RECORD, typeof(PTRRecord));
var recordPtr = (PTRRecord)answerRR.RECORD;
Assert.AreEqual("alpha.example.com.", recordPtr.PTRDNAME);
Assert.IsTrue(connectedInvoked);
Assert.IsTrue(beginConnectInvoked);
Assert.IsTrue(getSendStreamInvoked);
Assert.IsTrue(disposeInvoked);
}
public void Test_IQUERY_UDP()
{
var sendToInvoked = false;
var receiveInvoked = false;
var disposeInvoked = false;
var datagramSocketFactory = new MockDatagramSocketFactory(
(data, endpoint) =>
{
Assert.IsNotNull(data);
data.ShouldEqual(ExpectedSendData);
Assert.AreEqual("192.168.11.1", endpoint.Address.ToString());
Assert.AreEqual((ushort)53, endpoint.Port);
Assert.IsFalse(sendToInvoked);
Assert.IsFalse(receiveInvoked);
Assert.IsFalse(disposeInvoked);
sendToInvoked = true;
},
buffer =>
{
Assert.IsNotNull(buffer);
Assert.AreEqual(512, buffer.Length);
Assert.IsTrue(sendToInvoked);
Assert.IsFalse(receiveInvoked);
Assert.IsFalse(disposeInvoked);
Array.Copy(ReceivedData, buffer, ReceivedData.Length);
var result = ReceivedData.Length;
receiveInvoked = true;
return(result);
},
() =>
{
Assert.IsTrue(sendToInvoked);
Assert.IsTrue(receiveInvoked);
Assert.IsFalse(disposeInvoked);
disposeInvoked = true;
});
var options = new DnsResolverOptions
{
Timeout = 1000,
RetryCount = 3,
Recursion = true,
UseCache = true
};
var resolver = new UdpDnsResolver(
options,
datagramSocketFactory,
new IPEndpoint(IPAddress.Parse("192.168.11.1"), 53), new Random(0));
var response = resolver.Query("167.11.168.192.in-addr.arpa", QType.PTR, QClass.IN);
Assert.AreEqual(0, response.Error.Length);
Assert.AreEqual(1, response.header.ANCOUNT);
Assert.AreEqual(1, response.Answers.Count);
var answerRR = response.Answers.First();
Assert.AreEqual("167.11.168.192.in-addr.arpa.", answerRR.NAME);
Assert.AreEqual(0u, answerRR.TTL);
Assert.AreEqual(Class.IN, answerRR.Class);
Assert.AreEqual(Lanscan.Networking.Dns.RecordType.PTR, answerRR.Type);
Assert.IsInstanceOfType(answerRR.RECORD, typeof(PTRRecord));
var recordPtr = (PTRRecord)answerRR.RECORD;
Assert.AreEqual("alpha.example.com.", recordPtr.PTRDNAME);
Assert.IsTrue(sendToInvoked);
Assert.IsTrue(receiveInvoked);
Assert.IsTrue(disposeInvoked);
}
