public async Task Ensure_Queue_Drain()
{
using (var testEnvironment = new TestEnvironment(TestContext))
{
var server = await testEnvironment.StartServer();
var client = await testEnvironment.ConnectLowLevelClient();
var i = 0;
server.ApplicationMessageReceivedHandler = new MqttApplicationMessageReceivedHandlerDelegate(c =>
{
i++;
});
await client.SendAsync(new MqttConnectPacket
{
ClientId = "Ensure_Queue_Drain_Test"
}, CancellationToken.None);
await client.SendAsync(new MqttPublishPacket
{
Topic = "Test"
}, CancellationToken.None);
await Task.Delay(500);
// This will simulate a device which closes the connection directly
// after sending the data so do delay is added between send and dispose!
client.Dispose();
await Task.Delay(1000);
Assert.AreEqual(1, i);
}
}
public async Task Loose_Connection()
{
using (var testEnvironment = new TestEnvironment(TestContext))
{
testEnvironment.ServerPort = 8364;
var server = await testEnvironment.StartServer();
var client = await testEnvironment.ConnectLowLevelClient(o => o.WithCommunicationTimeout(TimeSpan.Zero));
await Authenticate(client).ConfigureAwait(false);
await server.StopAsync();
await Task.Delay(1000);
try
{
await client.SendAsync(MqttPingReqPacket.Instance, CancellationToken.None).ConfigureAwait(false);
await client.SendAsync(MqttPingReqPacket.Instance, CancellationToken.None).ConfigureAwait(false);
}
catch (MqttCommunicationException exception)
{
Assert.IsTrue(exception.InnerException is SocketException);
return;
}
catch
{
Assert.Fail("Wrong exception type thrown.");
}
Assert.Fail("This MUST fail");
}
}
public async Task Ensure_Queue_Drain()
{
using (var testEnvironment = new TestEnvironment(TestContext))
{
var server = await testEnvironment.StartServer();
var client = await testEnvironment.ConnectLowLevelClient();
var i = 0;
server.InterceptingPublishAsync += c =>
{
i++;
return(PlatformAbstractionLayer.CompletedTask);
};
await client.SendAsync(
new MqttConnectPacket
{
ClientId = "Ensure_Queue_Drain_Test"
},
CancellationToken.None);
await client.SendAsync(
new MqttPublishPacket
{
Topic = "Test"
},
CancellationToken.None);
await Task.Delay(500);
// This will simulate a device which closes the connection directly
// after sending the data so do delay is added between send and dispose!
client.Dispose();
await Task.Delay(1000);
Assert.AreEqual(1, i);
}
}
