public async Task MessageForOtherTopicThanSubscribedToIsProcessed()
{
// Arrange
var mockMqttConnection = new Mock <IMqttConnection>();
var mockTriggeredFunctionExecutor = new Mock <ITriggeredFunctionExecutor>();
mockMqttConnection
.Setup(x => x.SubscribeAsync(It.IsAny <TopicFilter[]>()))
.Returns(Task.CompletedTask);
mockTriggeredFunctionExecutor
.Setup(x => x.TryExecuteAsync(It.IsAny <TriggeredFunctionData>(), It.IsAny <CancellationToken>()));
var topicFilter = new TopicFilter[] { new TopicFilter()
{
Topic = "test/topic", QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtLeastOnce
} };
var mqttListener = new MqttListener(mockMqttConnection.Object, topicFilter, mockTriggeredFunctionExecutor.Object, _mockLogger.Object);
// Act
await mqttListener.StartAsync(_cancellationToken).ConfigureAwait(false);
var message = new MqttMessage("weird", new byte[] { }, MqttQualityOfServiceLevel.AtLeastOnce, true);
await mqttListener.OnMessage(new MqttMessageReceivedEventArgs(message));
// Assert
mockMqttConnection.VerifyAll();
mockTriggeredFunctionExecutor.VerifyAll();
}
public async Task StopAsyncUnsubscribesToTopics()
{
// Arrange
var mockMqttConnection = new Mock <IMqttConnection>();
var mockTriggeredFunctionExecutor = new Mock <ITriggeredFunctionExecutor>();
mockMqttConnection
.Setup(x => x.SubscribeAsync(It.IsAny <TopicFilter[]>()))
.Returns(Task.CompletedTask);
mockMqttConnection
.Setup(x => x.UnubscribeAsync(It.IsAny <string[]>()))
.Returns(Task.CompletedTask);
var topicFilter = new TopicFilter[] { new TopicFilter()
{
Topic = "test/topic", QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtLeastOnce
} };
var mqttListener = new MqttListener(mockMqttConnection.Object, topicFilter, mockTriggeredFunctionExecutor.Object, _mockLogger.Object);
// Act
await mqttListener.StartAsync(_cancellationToken).ConfigureAwait(false);
await mqttListener.StopAsync(_cancellationToken).ConfigureAwait(false);
// Assert
mockMqttConnection.VerifyAll();
}
public async Task StartAsyncSubscribesToTopics()
{
// Arrange
var mockMqttConnection = new Mock <IMqttConnection>();
var mockTriggeredFunctionExecutor = new Mock <ITriggeredFunctionExecutor>();
mockMqttConnection
.Setup(x => x.SubscribeAsync(It.IsAny <TopicFilter[]>()))
.Returns(Task.CompletedTask);
mockTriggeredFunctionExecutor
.Setup(x => x.TryExecuteAsync(It.IsAny <TriggeredFunctionData>(), It.IsAny <CancellationToken>()));
var topicFilter = new TopicFilter[] { new TopicFilter()
{
Topic = "test/topic", QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.AtLeastOnce
} };
var mqttListener = new MqttListener(mockMqttConnection.Object, topicFilter, mockTriggeredFunctionExecutor.Object, _mockLogger.Object);
// Act
await mqttListener.StartAsync(_cancellationToken).ConfigureAwait(false);
await mqttListener.OnMessage(new MqttMessageReceivedEventArgs(DefaultMessage)); // Shouldnt we be able to raise the IMqttConnection.OnMessageEventHandler??
// Assert
mockMqttConnection.VerifyAll();
mockTriggeredFunctionExecutor.VerifyAll();
}
public async Task StartAsyncSubscribesToTopics()
{
// Arrange
var mockManagedMqttClient = new Mock <IManagedMqttClient>();
var mockManagedMqttClientOptions = new Mock <IManagedMqttClientOptions>();
var mqttConfiguration = new MqttConfiguration(mockManagedMqttClientOptions.Object, new[] { new TopicFilter("test/topic", MqttQualityOfServiceLevel.AtLeastOnce) });
var mockMqttClientFactory = new Mock <IMqttClientFactory>();
var mockTriggeredFunctionExecutor = new Mock <ITriggeredFunctionExecutor>();
mockManagedMqttClient
.Setup(m => m.SubscribeAsync(It.Is <TopicFilter[]>(y => y == mqttConfiguration.Topics)))
.Returns(Task.CompletedTask);
mockManagedMqttClient
.Setup(m => m.StartAsync(It.Is <IManagedMqttClientOptions>(y => y == mqttConfiguration.Options)))
.Returns(Task.CompletedTask);
mockMqttClientFactory
.Setup(m => m.CreateManagedMqttClient())
.Returns(mockManagedMqttClient.Object);
var mqttListener = new MqttListener(mockMqttClientFactory.Object, mqttConfiguration, mockTriggeredFunctionExecutor.Object, _mockLogger.Object);
// Act
await mqttListener.StartAsync(_cancellationToken).ConfigureAwait(false);
// Assert
mockMqttClientFactory.Verify(x => x.CreateManagedMqttClient(), Times.Once());
mockManagedMqttClient.VerifyAll();
}
public async Task NewMessageInvokesFunction()
{
// Arrange
var mockManagedMqttClient = new Mock <IManagedMqttClient>();
var mockManagedMqttClientOptions = new Mock <IManagedMqttClientOptions>();
mockManagedMqttClientOptions.Setup(x => x.ClientOptions.ClientId).Returns(Guid.NewGuid().ToString());
var mqttConfiguration = new MqttConfiguration(mockManagedMqttClientOptions.Object, new[] { new TopicFilter("test/topic", MqttQualityOfServiceLevel.AtLeastOnce) });
var mockMqttClientFactory = new Mock <IMqttClientFactory>();
var mockTriggeredFunctionExecutor = new Mock <ITriggeredFunctionExecutor>();
mockManagedMqttClient
.Setup(m => m.SubscribeAsync(It.Is <TopicFilter[]>(y => y == mqttConfiguration.Topics)))
.Returns(Task.CompletedTask);
mockManagedMqttClient
.Setup(m => m.StartAsync(It.Is <IManagedMqttClientOptions>(y => y == mqttConfiguration.Options)))
.Returns(Task.CompletedTask);
mockMqttClientFactory
.Setup(m => m.CreateManagedMqttClient())
.Returns(mockManagedMqttClient.Object);
var mqttListener = new MqttListener(mockMqttClientFactory.Object, mqttConfiguration, mockTriggeredFunctionExecutor.Object, _mockLogger.Object);
var testMessage = new MqttApplicationMessageBuilder()
.WithPayload("{}")
.WithTopic("123")
.WithAtLeastOnceQoS()
.Build();
// Act
await mqttListener.StartAsync(_cancellationToken).ConfigureAwait(false);
mockManagedMqttClient.Raise(x => x.ApplicationMessageReceived += null, new MqttApplicationMessageReceivedEventArgs(mqttConfiguration.Options.ClientOptions.ClientId, testMessage));
// Assert
mockTriggeredFunctionExecutor.Verify(x => x.TryExecuteAsync(It.IsAny <TriggeredFunctionData>(), It.IsAny <CancellationToken>()), Times.Once());
}
public async Task InitializationFailsThrowsRightException()
{
// Arrange
var mockManagedMqttClient = new Mock <IManagedMqttClient>();
var mockManagedMqttClientOptions = new Mock <IManagedMqttClientOptions>();
var mqttConfiguration = new MqttConfiguration(mockManagedMqttClientOptions.Object, new[] { new TopicFilter("test/topic", MqttQualityOfServiceLevel.AtLeastOnce) });
var mockMqttClientFactory = new Mock <IMqttClientFactory>();
var mockTriggeredFunctionExecutor = new Mock <ITriggeredFunctionExecutor>();
mockMqttClientFactory
.Setup(m => m.CreateManagedMqttClient())
.Throws <Exception>();
var mqttListener = new MqttListener(mockMqttClientFactory.Object, mqttConfiguration, mockTriggeredFunctionExecutor.Object, _mockLogger.Object);
// Act & Assert
var ex = await Assert.ThrowsAsync <MqttListenerInitializationException>(async() => await mqttListener.StartAsync(_cancellationToken));
}