public async Task StartAsyncSubscribesToTopics()
{
// Arrange
var mockManagedMqttClient = new Mock <IManagedMqttClient>();
var mockManagedMqttClientOptions = new Mock <IManagedMqttClientOptions>();
var mockMqttClientFactory = new Mock <IManagedMqttClientFactory>();
var messageProcessor = new Mock <IProcesMqttMessage>();
mockMqttClientFactory
.Setup(m => m.CreateManagedMqttClient())
.Returns(mockManagedMqttClient.Object);
mockManagedMqttClient
.Setup(m => m.StartAsync(It.Is <IManagedMqttClientOptions>(y => y == mockManagedMqttClientOptions.Object)))
.Returns(Task.CompletedTask);
messageProcessor.Setup(x => x.OnMessage(It.IsAny <MqttMessageReceivedEventArgs>())).Returns(Task.CompletedTask);
var config = new MqttConfiguration("CustomConfig", mockManagedMqttClientOptions.Object);
var mqttConnection = new MqttConnection(mockMqttClientFactory.Object, config, _mockLogger.Object);
// Act
await mqttConnection.StartAsync(messageProcessor.Object);
await mqttConnection.HandleConnectedAsync(new MqttClientConnectedEventArgs(new MqttClientAuthenticateResult {
IsSessionPresent = true,
ResultCode = MqttClientConnectResultCode.Success
}));
// Assert
Assert.Equal(ConnectionState.Connected, mqttConnection.ConnectionState);
mockMqttClientFactory.VerifyAll();
mockManagedMqttClient.VerifyAll();
}