public void StartHandlingMessagesCallsBasicConsume(string queueName)
{
// Arrange
var connectionMock = new Mock <IConnection>();
var contextMock = new Mock <IBusContext <IConnection> >();
var modelMock = new Mock <IModel>();
contextMock.SetupGet(e => e.Connection).Returns(connectionMock.Object);
connectionMock.Setup(e => e.CreateModel()).Returns(modelMock.Object);
var receiver = new RabbitMqMessageReceiver(contextMock.Object, queueName, new string[0]);
receiver.StartReceivingMessages();
// Act
receiver.StartHandlingMessages(e => {});
// Assert
modelMock.Verify(e => e.BasicConsume(queueName, true, It.IsAny <string>(), false, false, null, It.IsAny <IBasicConsumer>()));
}
public void StartHandlingMessagesThrowsExceptionOnNotListening()
{
// Arrange
var connectionMock = new Mock <IConnection>();
var contextMock = new Mock <IBusContext <IConnection> >();
var modelMock = new Mock <IModel>();
contextMock.SetupGet(e => e.Connection).Returns(connectionMock.Object);
connectionMock.Setup(e => e.CreateModel()).Returns(modelMock.Object);
var receiver = new RabbitMqMessageReceiver(contextMock.Object, "test.queue", null);
// Act
void Act() => receiver.StartHandlingMessages(e => {});
// Assert
var exception = Assert.ThrowsException <BusConfigurationException>(Act);
Assert.AreEqual("Receiver is not listening to events", exception.Message);
}
public void CallbackIsCalledWithProperMessage(string exchangeName, string topic, string eventType)
{
// Arrange
var connectionMock = new Mock <IConnection>();
var contextMock = new Mock <IBusContext <IConnection> >();
var modelMock = new Mock <IModel>();
contextMock.SetupGet(e => e.Connection).Returns(connectionMock.Object);
connectionMock.Setup(e => e.CreateModel()).Returns(modelMock.Object);
IBasicConsumer consumer = null;
// Retrieve consumer from callback
var receiver = new RabbitMqMessageReceiver(contextMock.Object, "test.queue", new string[0]);
modelMock.Setup(
e => e.BasicConsume("test.queue", true, It.IsAny <string>(), false, false, null, It.IsAny <IBasicConsumer>()))
.Callback <string, bool, string, bool, bool, IDictionary <string, object>, IBasicConsumer>(
(a, b, c, d, e, f, givenConsumer) => consumer = givenConsumer);
EventMessage eventMessage = null;
receiver.StartReceivingMessages();
receiver.StartHandlingMessages(e => eventMessage = e);
Guid guid = Guid.NewGuid();
IBasicProperties properties = new BasicProperties
{
CorrelationId = guid.ToString(),
Type = eventType
};
// Act
Thread.Sleep(WaitTime);
consumer.HandleBasicDeliver(It.IsAny <string>(), 0, false, exchangeName, topic, properties, new byte[0]);
// Assert
Assert.AreEqual(topic, eventMessage.Topic);
Assert.AreEqual(eventType, eventMessage.EventType);
Assert.AreEqual(guid, eventMessage.CorrelationId);
}
