public void StartListening_Does_Not_Throw_Exception_If_Queue_Not_Yet_Created()
{
var mockTracer = new Mock <ITraceWriter>(MockBehavior.Strict);
var mockInvoker = new Mock <IQueueTriggerMethodInvoker>(MockBehavior.Strict);
var pollIntervalSeconds = 5;
var listener = new LocalQueueListener(mockTracer.Object, mockInvoker.Object, pollIntervalSeconds);
var missingQueueName = "missingqueue";
var method = typeof(QueueListenerTestFunctions).GetMethods().FirstOrDefault();
mockTracer
.Setup(t => t.Info(It.Is <string>(s => s == $"Start Listening on queue '{missingQueueName}'")))
.Verifiable();
mockTracer
.Setup(t => t.Verbose(It.Is <string>(s => s == $"Queue '{missingQueueName}' does not exist.")))
.Verifiable();
mockTracer
.Setup(t => t.Info(It.Is <string>(s => s == $"Stop listening to queues")))
.Verifiable();
listener.StartListening(missingQueueName, method);
// sleep for 1 second before poll interval
Thread.Sleep((pollIntervalSeconds - 1) * 1000);
listener.StopAll();
mockTracer.VerifyAll();
mockInvoker
.Verify(t => t.InvokeAsync(It.IsAny <CloudQueueMessage>(), It.IsAny <MethodInfo>()), Times.Never());
}
public async Task StartListening_Inovkes_Queue_Trigger_Method_For_All_Items_In_Queue_Batch()
{
var mockTracer = new Mock <ITraceWriter>(MockBehavior.Strict);
var mockInvoker = new Mock <IQueueTriggerMethodInvoker>(MockBehavior.Strict);
var pollIntervalSeconds = 5;
var listener = new LocalQueueListener(mockTracer.Object, mockInvoker.Object, pollIntervalSeconds);
var method = typeof(QueueListenerTestFunctions).GetMethods().FirstOrDefault();
// Add test message to the queue
var queueData1 = new TestQueueParameterType {
TestProperty = "Test Data 1"
};
var queueData2 = new TestQueueParameterType {
TestProperty = "Test Data 2"
};
var queueData3 = new TestQueueParameterType {
TestProperty = "Test Data 3"
};
await QueueUtilities.DeleteQueue(testQueueName);
await QueueUtilities.QueueMessageDataAsync(testQueueName, queueData1);
await QueueUtilities.QueueMessageDataAsync(testQueueName, queueData2);
await QueueUtilities.QueueMessageDataAsync(testQueueName, queueData3);
mockTracer.Setup(t => t.Info(It.Is <string>(s => s == $"Start Listening on queue '{testQueueName}'"))).Verifiable();
mockTracer.Setup(t => t.Info(It.Is <string>(s => s == $"Processing new message from '{testQueueName}'"))).Verifiable();
mockInvoker.Setup(i => i.InvokeAsync(It.IsAny <CloudQueueMessage>(), It.IsAny <MethodInfo>()))
.Returns(Task.FromResult(0))
.Verifiable();
mockTracer.Setup(t => t.Info(It.Is <string>(s => s == $"Stop listening to queues"))).Verifiable();
listener.StartListening(testQueueName, method);
var cancellationTokenSource = new CancellationTokenSource();
cancellationTokenSource.Token.WaitHandle.WaitOne(new TimeSpan(0, 0, (pollIntervalSeconds - 1)));
listener.StopAll();
mockTracer.VerifyAll();
mockTracer.Verify(t => t.Info(It.Is <string>(s => s == $"Processing new message from '{testQueueName}'")), Times.Exactly(3));
mockInvoker.Verify(i => i.InvokeAsync(It.Is <CloudQueueMessage>(m => VerifyCloudQueueMessasge(m, queueData1)), It.Is <MethodInfo>(m => m == method)), Times.Once());
mockInvoker.Verify(i => i.InvokeAsync(It.Is <CloudQueueMessage>(m => VerifyCloudQueueMessasge(m, queueData2)), It.Is <MethodInfo>(m => m == method)), Times.Once());
mockInvoker.Verify(i => i.InvokeAsync(It.Is <CloudQueueMessage>(m => VerifyCloudQueueMessasge(m, queueData3)), It.Is <MethodInfo>(m => m == method)), Times.Once());
}
public void StartListening_Throws_Exception_If_MethodInfo_is_null()
{
var mockTracer = new Mock <ITraceWriter>(MockBehavior.Strict);
var mockInvoker = new Mock <IQueueTriggerMethodInvoker>(MockBehavior.Strict);
var pollIntervalSeconds = 5;
var listener = new LocalQueueListener(mockTracer.Object, mockInvoker.Object, pollIntervalSeconds);
var method = typeof(QueueListenerTestFunctions).GetMethods().FirstOrDefault();
var ex = Assert.Throws <ArgumentNullException>(() => listener.StartListening("test", null));
Assert.Equal("queueTriggerMethod", ex.ParamName);
mockInvoker
.Verify(t => t.InvokeAsync(It.IsAny <CloudQueueMessage>(), It.IsAny <MethodInfo>()), Times.Never());
}
public async Task StartListening_Deletes_Queue_Message_After_Processing()
{
var mockTracer = new Mock <ITraceWriter>(MockBehavior.Strict);
var mockInvoker = new Mock <IQueueTriggerMethodInvoker>(MockBehavior.Strict);
var pollIntervalSeconds = 5;
var listener = new LocalQueueListener(mockTracer.Object, mockInvoker.Object, pollIntervalSeconds, messageVisibilityTimeoutSeconds: 1);
var method = typeof(QueueListenerTestFunctions).GetMethods().FirstOrDefault();
// Add test message to the queue
var queueData = new TestQueueParameterType
{
TestProperty = "This is a test object to be queued"
};
await QueueUtilities.DeleteQueue(testQueueName);
await QueueUtilities.QueueMessageDataAsync(testQueueName, queueData);
mockTracer
.Setup(t => t.Info(It.IsAny <string>()))
.Verifiable();
mockInvoker
.Setup(i => i.InvokeAsync(
It.Is <CloudQueueMessage>(m => VerifyCloudQueueMessasge(m, queueData)),
It.Is <MethodInfo>(m => m == method)))
.Returns(Task.FromResult(1))
.Verifiable();
listener.StartListening(testQueueName, method);
var cancellationTokenSource = new CancellationTokenSource();
cancellationTokenSource.Token.WaitHandle.WaitOne(new TimeSpan(0, 0, (pollIntervalSeconds - 1)));
listener.StopAll();
var nextMessage = await QueueUtilities.GetNextMessageFromQueue(testQueueName);
Assert.Null(nextMessage);
mockTracer.VerifyAll();
mockInvoker.VerifyAll();
}