public void ShouldFindTheAggregatorForTheMessageType()
{
// Arrange
var mockContainer = new Mock <IBusContainer>();
var mockAggregatorPersistor = new Mock <IAggregatorPersistor>();
var mockLogger = new Mock <ILogger>();
var handlerRef = new HandlerReference()
{
HandlerType = typeof(FakeAggregator),
MessageType = typeof(FakeMessage1)
};
mockContainer.Setup(x => x.GetHandlerTypes(typeof(Aggregator <FakeMessage1>))).Returns(new List <HandlerReference> {
handlerRef
});
mockContainer.Setup(x => x.GetInstance(typeof(FakeAggregator))).Returns(new FakeAggregator
{
Time = new TimeSpan(0, 0, 0, 1)
});
mockAggregatorPersistor.Setup(x => x.InsertData(It.IsAny <Message>(), It.IsAny <string>()));
var aggregator = new AggregatorProcessor(mockAggregatorPersistor.Object, mockContainer.Object, typeof(FakeAggregator), mockLogger.Object);
// Act
aggregator.ProcessMessage <FakeMessage1>(JsonConvert.SerializeObject(new FakeMessage1(Guid.NewGuid())));
// Assert
mockContainer.Verify(x => x.GetInstance(typeof(FakeAggregator)), Times.Once());
}
public void IfTimerIsNotSetAndBatchSizeIsNotSetThenBatchSizeIsSetTo10()
{
// Arrange
var mockContainer = new Mock <IBusContainer>();
var mockAggregatorPersistor = new Mock <IAggregatorPersistor>();
var mockLogger = new Mock <ILogger>();
var handlerRef = new HandlerReference()
{
HandlerType = typeof(FakeAggregator),
MessageType = typeof(FakeMessage1)
};
mockContainer.Setup(x => x.GetHandlerTypes(typeof(Aggregator <FakeMessage1>))).Returns(new List <HandlerReference> {
handlerRef
});
var aggregator = new FakeAggregator();
mockContainer.Setup(x => x.GetInstance(typeof(FakeAggregator))).Returns(aggregator);
mockAggregatorPersistor.Setup(x => x.InsertData(It.IsAny <Message>(), It.IsAny <string>()));
mockAggregatorPersistor.Setup(x => x.Count(typeof(FakeMessage1).AssemblyQualifiedName)).Returns(10);
mockAggregatorPersistor.Setup(x => x.GetData(typeof(FakeMessage1).AssemblyQualifiedName)).Returns(new List <object>());
var aggregatorProcessor = new AggregatorProcessor(mockAggregatorPersistor.Object, mockContainer.Object, typeof(FakeAggregator), mockLogger.Object);
// Act
aggregatorProcessor.ProcessMessage <FakeMessage1>(JsonConvert.SerializeObject(new FakeMessage1(Guid.NewGuid())));
// Assert
// Only calls this if batchsize is equal to number of messages in persistance store.
mockAggregatorPersistor.Verify(x => x.GetData(typeof(FakeMessage1).AssemblyQualifiedName), Times.Once);
}
public void ShouldNotExecuteAggregatorIfBatchSizeHasntBeenSet()
{
// Arrange
var mockContainer = new Mock <IBusContainer>();
var mockAggregatorPersistor = new Mock <IAggregatorPersistor>();
var mockLogger = new Mock <ILogger>();
var handlerRef = new HandlerReference()
{
HandlerType = typeof(FakeAggregator),
MessageType = typeof(FakeMessage1)
};
mockContainer.Setup(x => x.GetHandlerTypes(typeof(Aggregator <FakeMessage1>))).Returns(new List <HandlerReference> {
handlerRef
});
var fakeAggregator = new FakeAggregator
{
Time = new TimeSpan(0, 0, 0, 1)
};
mockContainer.Setup(x => x.GetInstance(typeof(FakeAggregator))).Returns(fakeAggregator);
mockAggregatorPersistor.Setup(x => x.InsertData(It.IsAny <Message>(), It.IsAny <string>()));
var aggregator = new AggregatorProcessor(mockAggregatorPersistor.Object, mockContainer.Object, typeof(FakeAggregator), mockLogger.Object);
// Act
aggregator.ProcessMessage <FakeMessage1>(JsonConvert.SerializeObject(new FakeMessage1(Guid.NewGuid())));
// Assert
mockAggregatorPersistor.Verify(x => x.GetData(typeof(FakeMessage1).AssemblyQualifiedName), Times.Never);
Assert.False(fakeAggregator.Executed);
}
public void ShouldUseBatchSizeFromAggregator()
{
// Arrange
var mockContainer = new Mock <IBusContainer>();
var mockAggregatorPersistor = new Mock <IAggregatorPersistor>();
var mockLogger = new Mock <ILogger>();
var handlerRef = new HandlerReference()
{
HandlerType = typeof(FakeAggregator),
MessageType = typeof(FakeMessage1)
};
mockContainer.Setup(x => x.GetHandlerTypes(typeof(Aggregator <FakeMessage1>))).Returns(new List <HandlerReference> {
handlerRef
});
var aggregator = new FakeAggregator
{
Batch = 20
};
mockContainer.Setup(x => x.GetInstance(typeof(FakeAggregator))).Returns(aggregator);
mockAggregatorPersistor.Setup(x => x.InsertData(It.IsAny <Message>(), It.IsAny <string>()));
mockAggregatorPersistor.Setup(x => x.Count(typeof(FakeMessage1).AssemblyQualifiedName)).Returns(20);
mockAggregatorPersistor.Setup(x => x.GetData(typeof(FakeMessage1).AssemblyQualifiedName)).Returns(new List <object>());
var aggregatorProcessor = new AggregatorProcessor(mockAggregatorPersistor.Object, mockContainer.Object, typeof(FakeAggregator), mockLogger.Object);
// Act
aggregatorProcessor.ProcessMessage <FakeMessage1>(JsonConvert.SerializeObject(new FakeMessage1(Guid.NewGuid())));
// Assert
mockAggregatorPersistor.Verify(x => x.GetData(typeof(FakeMessage1).AssemblyQualifiedName), Times.Once);
}
public void ShouldExecuteTheCorrectBaseMessageHandlers()
{
// Arrange
var messageProcessor = new MessageHandlerProcessor(_mockContainer.Object);
var message1HandlerReference = new HandlerReference
{
HandlerType = typeof(FakeBaseMessageHandler1),
MessageType = typeof(FakeBaseMessage1)
};
_mockContainer.Setup(x => x.GetHandlerTypes(typeof(IMessageHandler <FakeBaseMessage1>))).Returns(new List <HandlerReference>
{
message1HandlerReference
});
var fakeHandler = new FakeBaseMessageHandler1();
_mockContainer.Setup(x => x.GetInstance(typeof(FakeBaseMessageHandler1))).Returns(fakeHandler);
// Act
var message = new FakeDerivedMessage1(Guid.NewGuid())
{
Status = "Test"
};
messageProcessor.ProcessMessage <FakeDerivedMessage1>(JsonConvert.SerializeObject(message), null);
// Assert
Assert.Equal(message.CorrelationId, fakeHandler.Command.CorrelationId);
Assert.Equal(message.Username, fakeHandler.Command.Username);
_mockContainer.Verify(x => x.GetInstance(typeof(FakeBaseMessageHandler1)), Times.Once);
}
public void ShouldExecuteAsyncHandler()
{
// Arrange
var messageProcessor = new MessageHandlerProcessor(_mockContainer.Object, _mockLogger.Object);
var message1HandlerReference = new HandlerReference
{
HandlerType = typeof(FakeAsyncHandler),
MessageType = typeof(FakeMessage1)
};
_mockContainer.Setup(x => x.GetHandlerTypes(typeof(IMessageHandler <FakeMessage1>), typeof(IAsyncMessageHandler <FakeMessage1>))).Returns(new List <HandlerReference>
{
message1HandlerReference
});
var fakeHandler = new FakeAsyncHandler();
_mockContainer.Setup(x => x.GetInstance(typeof(FakeAsyncHandler))).Returns(fakeHandler);
// Act
var message1 = new FakeMessage1(Guid.NewGuid());
messageProcessor.ProcessMessage <FakeMessage1>(JsonConvert.SerializeObject(message1),
new ConsumeContext {
Headers = new Dictionary <string, object>()
}).GetAwaiter().GetResult();;
// Assert
Assert.Equal(true, fakeHandler.Executed);
}
public void ShouldExecuteHandlerWithMessagesIfMessageCountIsEqualToOrGreaterThanBatchSize()
{
// Arrange
var mockContainer = new Mock <IBusContainer>();
var mockAggregatorPersistor = new Mock <IAggregatorPersistor>();
var handlerRef = new HandlerReference()
{
HandlerType = typeof(FakeAggregator),
MessageType = typeof(FakeMessage1)
};
mockContainer.Setup(x => x.GetHandlerTypes(typeof(Aggregator <FakeMessage1>))).Returns(new List <HandlerReference> {
handlerRef
});
var aggregator = new FakeAggregator();
mockContainer.Setup(x => x.GetInstance(typeof(FakeAggregator))).Returns(aggregator);
mockAggregatorPersistor.Setup(x => x.InsertData(It.IsAny <object>(), It.IsAny <string>()));
mockAggregatorPersistor.Setup(x => x.Count(typeof(FakeMessage1).AssemblyQualifiedName)).Returns(10);
mockAggregatorPersistor.Setup(x => x.GetData(typeof(FakeMessage1).AssemblyQualifiedName)).Returns(new List <object>()
{
new FakeMessage1(Guid.NewGuid())
});
var aggregatorProcessor = new AggregatorProcessor(mockAggregatorPersistor.Object, mockContainer.Object, typeof(FakeAggregator));
// Act
aggregatorProcessor.ProcessMessage <FakeMessage1>(JsonConvert.SerializeObject(new FakeMessage1(Guid.NewGuid())));
// Assert
mockAggregatorPersistor.Verify(x => x.RemoveData(typeof(FakeMessage1).AssemblyQualifiedName, It.IsAny <Guid>()), Times.Once);
}
public static long AddEventHandler(T instance, string eventMemberName, Delegate handler)
{
instance.AssertNotNull(nameof(instance));
eventMemberName.AssertNotBlank(nameof(eventMemberName));
handler.AssertNotNull(nameof(handler));
var key = DateTime.UtcNow.Ticks;
var eventMember = Events[eventMemberName];
var reference = new HandlerReference(new WeakReference <T>(instance), eventMember, handler);
eventMember.Add(instance !, handler);
EventHandlers.Add(key, reference);
return(key);
}
public void ShouldExecuteTheCorrectHandlerWithMultipleRoutingKeyAttributes()
{
// Arrange
var messageProcessor = new MessageHandlerProcessor(_mockContainer.Object);
var message1HandlerReference = new HandlerReference
{
HandlerType = typeof(FakeHandlerWithAttr2),
MessageType = typeof(FakeMessage1),
RoutingKeys = new List <string> {
"Test1", "Test2"
}
};
_mockContainer.Setup(x => x.GetHandlerTypes(typeof(IMessageHandler <FakeMessage1>))).Returns(new List <HandlerReference>
{
message1HandlerReference
});
var fakeHandler = new FakeHandlerWithAttr2();
_mockContainer.Setup(x => x.GetInstance(typeof(FakeHandlerWithAttr2))).Returns(fakeHandler);
// Act
var message1 = new FakeMessage1(Guid.NewGuid())
{
Username = "******"
};
messageProcessor.ProcessMessage <FakeMessage1>(JsonConvert.SerializeObject(message1),
new ConsumeContext {
Headers = new Dictionary <string, object> {
{ "RoutingKey", Encoding.ASCII.GetBytes("Test2") }
}
});
// Assert
Assert.Equal(message1.CorrelationId, fakeHandler.Command.CorrelationId);
Assert.Equal(message1.Username, fakeHandler.Command.Username);
_mockContainer.Verify(x => x.GetInstance(typeof(FakeHandlerWithAttr2)), Times.Once);
}
public void ShouldExecuteTheCorrectHandlerWithCatchAllRoutingKeyAttribute()
{
// Arrange
var messageProcessor = new MessageHandlerProcessor(_mockContainer.Object, _mockLogger.Object);
var message1HandlerReference = new HandlerReference
{
HandlerType = typeof(FakeHandlerWithAttr1),
MessageType = typeof(FakeMessage1),
RoutingKeys = new List <string> {
"#"
} // matches any routing key
};
_mockContainer.Setup(x => x.GetHandlerTypes(typeof(IMessageHandler <FakeMessage1>), typeof(IAsyncMessageHandler <FakeMessage1>))).Returns(new List <HandlerReference>
{
message1HandlerReference
});
var fakeHandler = new FakeHandlerWithAttr1();
_mockContainer.Setup(x => x.GetInstance(typeof(FakeHandlerWithAttr1))).Returns(fakeHandler);
// Act
var message1 = new FakeMessage1(Guid.NewGuid())
{
Username = "******"
};
messageProcessor.ProcessMessage <FakeMessage1>(JsonConvert.SerializeObject(message1),
new ConsumeContext {
Headers = new Dictionary <string, object> {
{ "RoutingKey", Encoding.ASCII.GetBytes("SomeRandomRoutingKey") }
}
}).GetAwaiter().GetResult();;
// Assert
Assert.Equal(message1.CorrelationId, fakeHandler.Command.CorrelationId);
Assert.Equal(message1.Username, fakeHandler.Command.Username);
_mockContainer.Verify(x => x.GetInstance(typeof(FakeHandlerWithAttr1)), Times.Once);
}
public void ShouldExecuteTheCorrectHandlers()
{
// Arrange
var messageProcessor = new MessageHandlerProcessor(_mockContainer.Object, _mockLogger.Object);
var message1HandlerReference = new HandlerReference
{
HandlerType = typeof(FakeHandler1),
MessageType = typeof(FakeMessage1)
};
_mockContainer.Setup(x => x.GetHandlerTypes(typeof(IMessageHandler <FakeMessage1>), typeof(IAsyncMessageHandler <FakeMessage1>))).Returns(new List <HandlerReference>
{
message1HandlerReference
});
var fakeHandler = new FakeHandler1();
_mockContainer.Setup(x => x.GetInstance(typeof(FakeHandler1))).Returns(fakeHandler);
// Act
var message1 = new FakeMessage1(Guid.NewGuid())
{
Username = "******"
};
messageProcessor.ProcessMessage <FakeMessage1>(JsonConvert.SerializeObject(message1), null).GetAwaiter().GetResult();;
var message2 = new FakeMessage2(Guid.NewGuid())
{
DisplayName = "Tim Watson"
};
messageProcessor.ProcessMessage <FakeMessage2>(JsonConvert.SerializeObject(message2), null).GetAwaiter().GetResult();;
// Assert
Assert.Equal(message1.CorrelationId, fakeHandler.Command.CorrelationId);
Assert.Equal(message1.Username, fakeHandler.Command.Username);
_mockContainer.Verify(x => x.GetInstance(typeof(FakeHandler2)), Times.Never);
}
public void ShouldStartAggregatorTimerIfAggregatorTimeoutIsSet()
{
// Arrange
var mockContainer = new Mock <IBusContainer>();
var mockAggregatorPersistor = new Mock <IAggregatorPersistor>();
var mockAggregatorProcessor = new Mock <IAggregatorProcessor>();
var mockConfiguration = new Mock <IConfiguration>();
var mockConsumer = new Mock <IConsumer>();
var handlerRef = new HandlerReference()
{
HandlerType = typeof(FakeAggregator),
MessageType = typeof(FakeMessage1)
};
mockContainer.Setup(x => x.GetHandlerTypes()).Returns(new List <HandlerReference> {
handlerRef
});
var timeout = new TimeSpan(0, 0, 0, 1);
mockContainer.Setup(x => x.GetInstance(typeof(FakeAggregator))).Returns(new FakeAggregator
{
Time = timeout
});
mockConfiguration.Setup(x => x.GetAggregatorProcessor(It.IsAny <IAggregatorPersistor>(), mockContainer.Object, typeof(FakeAggregator))).Returns(mockAggregatorProcessor.Object);
mockConfiguration.Setup(x => x.GetAggregatorPersistor()).Returns(mockAggregatorPersistor.Object);
mockConfiguration.Setup(x => x.GetContainer()).Returns(mockContainer.Object);
mockConfiguration.Setup(x => x.AutoStartConsuming).Returns(true);
mockConfiguration.Setup(x => x.TransportSettings).Returns(new TransportSettings());
mockConfiguration.Setup(x => x.GetConsumer()).Returns(mockConsumer.Object);
// Act
new Bus(mockConfiguration.Object);
// Assert
mockAggregatorProcessor.Verify(x => x.StartTimer <FakeMessage1>(timeout), Times.Once);
}
/// <inheritdoc/>
public void Dispose()
{
HandlerReference.Dispose();
GC.SuppressFinalize(this);
}
private PathItem HandlerPathItem(HandlerReference handlerRef)
{
var messageType = Type.GetType(handlerRef.MessageType.AssemblyQualifiedName);
var routingKeys = handlerRef.RoutingKeys;
if (null == messageType)
{
var err = string.Format("Unable to load the type {0}", handlerRef.MessageType.AssemblyQualifiedName);
Logger.Error(err);
throw new Exception(err);
}
Logger.DebugFormat("messageType.Name: {0}.", messageType.Name);
var msgProperties = new Dictionary <string, Schema>();
var props = messageType.GetProperties();
foreach (var prop in props)
{
string typeName = prop.PropertyType.Name.ToLower();
if (typeName == "guid")
{
typeName = "string";
}
msgProperties.Add(prop.Name, new Schema {
Type = typeName
});
}
var x = new PathItem();
x.Post = new Operation
{
Tags = new[] { handlerRef.HandlerType.Name },
OperationId = handlerRef.HandlerType.Name,
Consumes = new[] { "application/json" },
Produces = new[] { "application/json", "text/json", "application/xml", "text/xml" },
Parameters = new List <IParameter>
{
new BodyParameter
{
Name = "message",
@In = "body",
Required = true,
Description = messageType.Name,
Schema = new Schema
{
Type = "object",
Properties = msgProperties
}
},
new NonBodyParameter
{
Name = "msg-full-type-name",
@In = "header",
Required = true,
Default = messageType.AssemblyQualifiedName
}
}
};
if (null != routingKeys && routingKeys.Any())
{
var rkStr = String.Join(",", routingKeys.ToArray());
x.Post.Parameters.Add(new NonBodyParameter
{
Name = "routing-key",
@In = "header",
Required = true,
Default = routingKeys.First(),
Description = $"warning: message will be published to every \"{messageType.Name}\" handler decorated with the routing key supplied. (possible value(s): {rkStr})"
});
}
if (Generator.Bus.Configuration.BeforeConsumingFilters.Any(f => f.Name == "TokenDecryptFilter"))
{
x.Post.Parameters.Add(new NonBodyParameter
{
Name = "token",
@In = "header",
Required = true,
Default = string.Empty
});
}
x.Post.Responses = new Dictionary <string, Response>();
x.Post.Responses.Add("200", new Response {
Description = "OK", Schema = new Schema {
Type = "string"
}
});
return(x);
}