public async Task connect_with_clean_session_but_connack_return_code_is_invalid_should_throw()
{
Queue <TestPacket> packets = new();
TestPacket connectPacket = TestPacket.Outgoing("101600044d5154540402001e000a434b4d71747454657374");
const int startSkipCount = 6; // These packets are valid, so we skip them.
for (byte i = startSkipCount; i != 0; i++) //Ok there we loop over all non zero bytes.
{
packets.Enqueue(connectPacket);
packets.Enqueue(TestPacket.Incoming("200200" + BitConverter.ToString(new byte[] { i })));
}
PacketReplayer packetReplayer = new(packets);
IMqtt3Client client = MqttClient.Factory.CreateMQTT3Client(TestConfigs.DefaultTestConfig(packetReplayer), (IActivityMonitor m, DisposableApplicationMessage msg) =>
{
msg.Dispose();
return(new ValueTask());
});
for (byte i = startSkipCount; i != 0; i++)
{
ConnectResult res = await client.ConnectAsync(TestHelper.Monitor, new MqttClientCredentials( "CKMqttTest", true ));
res.ConnectError.Should().Be(ConnectError.ProtocolError_UnknownReturnCode);
}
packetReplayer.LastWorkTask !.IsCompletedSuccessfully.Should().BeTrue();
}
public async Task connect_with_clean_session_but_connack_session_present_is_not_zero_should_fail()
{
Queue <TestPacket> packets = new();
TestPacket connectPacket = TestPacket.Outgoing("101600044d5154540402001e000a434b4d71747454657374");
for (byte i = 1; i != 0; i++) //Ok there we loop over all non zero bytes.
{
packets.Enqueue(connectPacket);
packets.Enqueue(TestPacket.Incoming("2002" + BitConverter.ToString(new byte[] { i }) + "00"));
}
PacketReplayer pcktReplayer = new(packets);
IMqtt3Client client = MqttClient.Factory.CreateMQTT3Client(TestConfigs.DefaultTestConfig(pcktReplayer), (IActivityMonitor m, DisposableApplicationMessage msg) =>
{
msg.Dispose();
return(new ValueTask());
});
ConnectResult res = await client.ConnectAsync(TestHelper.Monitor, new MqttClientCredentials( "CKMqttTest", true ));
res.ConnectError.Should().Be(ConnectError.ProtocolError_SessionNotFlushed);
for (byte i = 2; i != 0; i++)
{
res = await client.ConnectAsync(TestHelper.Monitor, new MqttClientCredentials( "CKMqttTest", true ));
res.ConnectError.Should().Be(ConnectError.ProtocolError_InvalidConnackState);
}
pcktReplayer.LastWorkTask !.IsCompletedSuccessfully.Should().BeTrue();
}
public async Task connect_while_being_connected_should_throw_friendly_exception()
{
Queue <TestPacket> packets = new();
packets.Enqueue(TestPacket.Outgoing("101600044d5154540402001e000a434b4d71747454657374"));
packets.Enqueue(TestPacket.Incoming("20020000"));
PacketReplayer packetReplayer = new(packets);
IMqtt3Client client = MqttClient.Factory.CreateMQTT3Client(TestConfigs.DefaultTestConfig(packetReplayer), (IActivityMonitor m, DisposableApplicationMessage msg) =>
{
msg.Dispose();
return(new ValueTask());
});
await client.ConnectAsync(TestHelper.Monitor, new MqttClientCredentials( "CKMqttTest", true ));
try
{
await client.ConnectAsync(TestHelper.Monitor, new MqttClientCredentials( "CKMqttTest", true ));
Assert.Fail();
}
catch (Exception e)
{
e.Should().BeOfType <InvalidOperationException>();
e.Message.Should().Be("This client is already connected.");
}
packetReplayer.LastWorkTask !.IsCompletedSuccessfully.Should().BeTrue();
}
public async Task simple_publish_qos1_works()
{
(PacketReplayer packetReplayer, IMqtt3Client client) = await Scenario.ConnectedClient(new List <TestPacket>()
{
TestPacket.Outgoing("321a000a7465737420746f706963000174657374207061796c6f6164"),
TestPacket.Incoming("40020001")
});
await await client.PublishAsync(TestHelper.Monitor, new ApplicationMessage(
"test topic", Encoding.UTF8.GetBytes("test payload"), QualityOfService.AtLeastOnce, false )
);
packetReplayer.LastWorkTask !.IsCompletedSuccessfully.Should().BeTrue();
}
public async Task simple_connection_works()
{
PacketReplayer pcktReplayer = new(new Queue <TestPacket>(new List <TestPacket>()
{
TestPacket.Outgoing("101600044d5154540402001e000a434b4d71747454657374"),
TestPacket.Incoming("20020000")
}));
IMqtt3Client client = MqttClient.Factory.CreateMQTT3Client(TestConfigs.DefaultTestConfig(pcktReplayer), (IActivityMonitor m, DisposableApplicationMessage msg) =>
{
msg.Dispose();
return(new ValueTask());
});
await client.ConnectAsync(TestHelper.Monitor, new MqttClientCredentials( "CKMqttTest", true ));
pcktReplayer.LastWorkTask !.IsCompletedSuccessfully.Should().BeTrue();
}
public async Task connect_after_failed_connect_works()
{
TestPacket connectPacket = TestPacket.Outgoing("101600044d5154540402001e000a434b4d71747454657374");
Queue <TestPacket> packets = new();
packets.Enqueue(connectPacket);
packets.Enqueue(TestPacket.Incoming("20021000")); // Invalid response.
packets.Enqueue(connectPacket);
packets.Enqueue(TestPacket.Incoming("20020000")); // Valid response.
PacketReplayer packetReplayer = new(packets);
IMqtt3Client client = MqttClient.Factory.CreateMQTT3Client(TestConfigs.DefaultTestConfig(packetReplayer), (IActivityMonitor m, DisposableApplicationMessage msg) =>
{
msg.Dispose();
return(new ValueTask());
});
ConnectResult res = await client.ConnectAsync(TestHelper.Monitor, new MqttClientCredentials( "CKMqttTest", true ));
res.ConnectError.Should().NotBe(ConnectError.Ok);
ConnectResult res2 = await client.ConnectAsync(TestHelper.Monitor, new MqttClientCredentials( "CKMqttTest", true ));
res2.ConnectError.Should().Be(ConnectError.Ok);
packetReplayer.LastWorkTask !.IsCompletedSuccessfully.Should().BeTrue();
}