public async Task ChecksShortCircuitMiddlewareExecutionAsync()
{
#region Arrange
var services = new ServiceCollection();
var registrator = new MiddlewareRegistrator();
var messageMiddlewareRegistrator =
registrator.AddFor <TestHandler, TestMessageDto>()
.Add <ShortCircuitMiddleware>();
var executor = new MiddlewareExecutor(registrator, services.BuildServiceProvider());
#endregion Arrange
#region Act
var acknowledgement = await executor.ExecuteAsync(
typeof(TestHandler),
new MessageContext <TestMessageDto>(new TestMessageDto(), new MqMessageData()));
#endregion Act
#region Assert
Assert.Multiple(() =>
{
Assert.IsInstanceOf <Reject>(acknowledgement);
Assert.AreEqual("stop", (acknowledgement as Reject)?.Reason);
Assert.AreEqual(typeof(TestMessageDto), messageMiddlewareRegistrator.MessageType);
});
#endregion Assert
}
public async Task HandlerWithoutMiddlewaresExecutionAsync()
{
#region Arrange
var services = new ServiceCollection();
var registrator = new MiddlewareRegistrator();
var executor = new MiddlewareExecutor(registrator, services.BuildServiceProvider());
#endregion Arrange
#region Act
var acknowledgement = await executor.ExecuteAsync(
typeof(TestHandler),
new MessageContext <TestMessageDto>(new TestMessageDto(), new MqMessageData()));
#endregion Act
#region Assert
Assert.Multiple(() =>
{
Assert.IsInstanceOf <Ack>(acknowledgement);
});
#endregion Assert
}
public async Task ChecksGeneralMiddlewareExecutionPipelineAsync()
{
#region Arrange
var services = new ServiceCollection();
var registrator = new MiddlewareRegistrator();
registrator.AddFor <TestHandler, TestMessageDto>().Add <TestMiddleware>();
var sp = services.BuildServiceProvider();
var executor = new MiddlewareExecutor(registrator, sp);
var testMessageDto = new TestMessageDto();
#endregion Arrange
#region Act
var acknowledgement = await executor.ExecuteAsync(
typeof(TestHandler),
new MessageContext <TestMessageDto>(testMessageDto, new MqMessageData()));
#endregion Act
#region Assert
Assert.Multiple(() =>
{
var middleware = sp.GetService <TestMiddleware>();
Assert.IsNull(middleware, "Middleware не должен быть в DI.");
Assert.IsNotNull(testMessageDto.HandlerExecutedAt, "Handler не был выполнен.");
Assert.IsNotNull(testMessageDto.MiddlewareExecutedAt, "Middleware не был выполнен.");
Assert.IsTrue(testMessageDto.MiddlewareExecutedAt < testMessageDto.HandlerExecutedAt, "Middleware должен выполниться раньше, чем хендер.");
Assert.IsInstanceOf <Ack>(acknowledgement);
});
#endregion Assert
}
