public void TestClosedConnections()
{
using (new NATSServer())
{
IConnection c = utils.DefaultTestConnection;
ISyncSubscription s = c.SubscribeSync("foo");
c.Close();
// While we can annotate all the exceptions in the test framework,
// just do it manually.
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.Publish("foo", null));
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.Publish(new Msg("foo")));
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.SubscribeAsync("foo"));
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.SubscribeSync("foo"));
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.SubscribeAsync("foo", "bar"));
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.SubscribeSync("foo", "bar"));
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.Request("foo", null));
Assert.ThrowsAny <NATSConnectionClosedException>(() => s.NextMessage());
Assert.ThrowsAny <NATSConnectionClosedException>(() => s.NextMessage(100));
Assert.ThrowsAny <NATSConnectionClosedException>(() => s.Unsubscribe());
Assert.ThrowsAny <NATSConnectionClosedException>(() => s.AutoUnsubscribe(1));
}
}
private static void RequestResponseExplicit()
{
Console.Clear();
Console.WriteLine("Request/Response (explicit) demo");
Console.WriteLine("================================");
for (int i = 1; i <= _messageCount; i++)
{
string replySubject = $"_INBOX.{Guid.NewGuid().ToString("N")}";
ISyncSubscription subscription = _connection.SubscribeSync(replySubject);
subscription.AutoUnsubscribe(1);
// client also has a convenience-method to do this in line:
//string replySubject = conn.NewInbox();
string message = $"Message {i}";
Console.WriteLine($"Sending: {message}");
// send with reply subject
byte[] data = Encoding.UTF8.GetBytes(message);
_connection.Publish("nats.demo.requestresponse", replySubject, data);
// wait for response in reply subject
var response = subscription.NextMessage(5000);
string responseMsg = Encoding.UTF8.GetString(response.Data);
Console.WriteLine($"Response: {responseMsg}");
Thread.Sleep(_sendIntervalMs);
}
}
public void TestClosedConnections()
{
using (NATSServer.CreateFastAndVerify(Context.Server1.Port))
{
IConnection c = Context.OpenConnection(Context.Server1.Port);
ISyncSubscription s = c.SubscribeSync("foo");
c.Close();
// While we can annotate all the exceptions in the test framework,
// just do it manually.
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.Publish("foo", null));
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.Publish(new Msg("foo")));
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.SubscribeAsync("foo"));
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.SubscribeSync("foo"));
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.SubscribeAsync("foo", "bar"));
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.SubscribeSync("foo", "bar"));
Assert.ThrowsAny <NATSConnectionClosedException>(() => c.Request("foo", null));
Assert.ThrowsAny <NATSConnectionClosedException>(() => s.NextMessage());
Assert.ThrowsAny <NATSConnectionClosedException>(() => s.NextMessage(100));
Assert.ThrowsAny <NATSConnectionClosedException>(() => s.Unsubscribe());
Assert.ThrowsAny <NATSConnectionClosedException>(() => s.AutoUnsubscribe(1));
}
}
public void TestRespondWithAutoUnsubscribe()
{
using (new NATSServer())
{
using (IConnection c = utils.DefaultTestConnection)
using (ISyncSubscription s = c.SubscribeSync("foo"))
{
s.AutoUnsubscribe(1);
string replyTo = c.NewInbox();
using (ISyncSubscription r = c.SubscribeSync(replyTo))
{
c.Publish("foo", replyTo, Encoding.UTF8.GetBytes("message"));
Msg m = s.NextMessage(1000);
Assert.NotNull(m);
Assert.Equal(replyTo, m.Reply);
byte[] reply = Encoding.UTF8.GetBytes("reply");
m.Respond(reply);
m = r.NextMessage(1000);
Assert.NotNull(m);
Assert.Equal(replyTo, m.Subject);
Assert.Equal(reply, m.Data);
r.Unsubscribe();
}
}
}
}
public void TestRespondWithAutoUnsubscribe()
{
using (NATSServer.CreateFastAndVerify(Context.Server1.Port))
{
using (IConnection c = Context.OpenConnection(Context.Server1.Port))
using (ISyncSubscription s = c.SubscribeSync("foo"))
{
s.AutoUnsubscribe(1);
string replyTo = c.NewInbox();
using (ISyncSubscription r = c.SubscribeSync(replyTo))
{
c.Publish("foo", replyTo, Encoding.UTF8.GetBytes("message"));
Msg m = s.NextMessage(1000);
Assert.NotNull(m);
Assert.Equal(replyTo, m.Reply);
byte[] reply = Encoding.UTF8.GetBytes("reply");
m.Respond(reply);
m = r.NextMessage(1000);
Assert.NotNull(m);
Assert.Equal(replyTo, m.Subject);
Assert.Equal(reply, m.Data);
r.Unsubscribe();
}
}
}
}
public void TestClientAutoUnsub()
{
using (IConnection c = new ConnectionFactory().CreateConnection())
{
long received = 0;
int max = 10;
using (ISyncSubscription s = c.SubscribeSync("foo"))
{
s.AutoUnsubscribe(max);
for (int i = 0; i < max * 2; i++)
{
c.Publish("foo", null);
}
c.Flush();
Thread.Sleep(100);
try
{
while (true)
{
s.NextMessage(0);
received++;
}
}
catch (NATSMaxMessagesException) { /* ignore */ }
Assert.IsTrue(received == max);
Assert.IsFalse(s.IsValid);
}
}
}
public void TestClosedConnections()
{
IConnection c = new ConnectionFactory().CreateConnection();
ISyncSubscription s = c.SubscribeSync("foo");
c.Close();
// While we can annotate all the exceptions in the test framework,
// just do it manually.
UnitTestUtilities.testExpectedException(
() => { c.Publish("foo", null); },
typeof(NATSConnectionClosedException));
UnitTestUtilities.testExpectedException(
() => { c.Publish(new Msg("foo")); },
typeof(NATSConnectionClosedException));
UnitTestUtilities.testExpectedException(
() => { c.SubscribeAsync("foo"); },
typeof(NATSConnectionClosedException));
UnitTestUtilities.testExpectedException(
() => { c.SubscribeSync("foo"); },
typeof(NATSConnectionClosedException));
UnitTestUtilities.testExpectedException(
() => { c.SubscribeAsync("foo", "bar"); },
typeof(NATSConnectionClosedException));
UnitTestUtilities.testExpectedException(
() => { c.SubscribeSync("foo", "bar"); },
typeof(NATSConnectionClosedException));
UnitTestUtilities.testExpectedException(
() => { c.Request("foo", null); },
typeof(NATSConnectionClosedException));
UnitTestUtilities.testExpectedException(
() => { s.NextMessage(); },
typeof(NATSConnectionClosedException));
UnitTestUtilities.testExpectedException(
() => { s.NextMessage(100); },
typeof(NATSConnectionClosedException));
UnitTestUtilities.testExpectedException(
() => { s.Unsubscribe(); },
typeof(NATSConnectionClosedException));
UnitTestUtilities.testExpectedException(
() => { s.AutoUnsubscribe(1); },
typeof(NATSConnectionClosedException));
}
public void TestClientAutoUnsub()
{
using (NATSServer.CreateFastAndVerify(Context.Server1.Port))
{
using (IConnection c = Context.OpenConnection(Context.Server1.Port))
{
long received = 0;
int max = 10;
using (ISyncSubscription s = c.SubscribeSync("foo"))
{
s.AutoUnsubscribe(max);
for (int i = 0; i < max * 2; i++)
{
c.Publish("foo", null);
}
c.Flush();
Thread.Sleep(100);
try
{
while (true)
{
s.NextMessage(0);
received++;
}
}
catch (NATSMaxMessagesException) { /* ignore */ }
Assert.True(received == max);
Assert.False(s.IsValid);
}
}
}
}