public void when_publishing_message_without_context_it_should_fail()
{
var publisher = new VentureMessagePublisher(new FakeMessageRouter());
// ReSharper disable once AssignNullToNotNullAttribute - it's a test against null.
Func <Task> sut = () => publisher.Publish(new object(), context: null);
sut.Should().Throw <ArgumentNullException>().Where(exception => exception.ParamName.Equals("context"), "context is required");
}
public void when_publishing_null_as_message_it_should_fail()
{
var publisher = new VentureMessagePublisher(new FakeMessageRouter());
Func <Task> sut = () => publisher.Publish <object>(
// ReSharper disable once AssignNullToNotNullAttribute - it's a test against null.
message: null,
new VentureOutgoingMessageHandlingContext(
new object(),
DateTimeOffset.UtcNow,
_stringCreator.Get(length: 10),
_stringCreator.Get(length: 10),
_stringCreator.Get(length: 10)));
sut.Should().Throw <ArgumentNullException>().Where(exception => exception.ParamName.Equals("message"), "message is required");
}
public async Task when_message_id_is_not_specified_it_should_generate_it()
{
var messageRouter = new FakeMessageRouter();
var sut = new VentureMessagePublisher(messageRouter);
var message = new object();
var correlationId = _stringCreator.Get(length: 10);
var causationId = _stringCreator.Get(length: 10);
var messageId = _stringCreator.Get(length: 10);
await sut.Publish(
message,
new VentureOutgoingMessageHandlingContext(
message,
DateTimeOffset.UtcNow,
correlationId,
causationId,
messageId));
messageRouter.Message.Should().BeSameAs(message, "it should pass message without changes");
messageRouter.CorrelationId.Should().BeSameAs(correlationId, "it should pass correlation ID without changes");
messageRouter.CausationId.Should().BeSameAs(causationId, "it should pass causation ID without changes");
messageRouter.MessageId.Should().NotBeNullOrWhiteSpace("message ID should be generated");
}
public async Task when_publishing_message_it_should_route_it_using_message_router_with_parameters_unchanged()
{
var messageRouter = new FakeMessageRouter();
var sut = new VentureMessagePublisher(messageRouter);
var message = new object();
var correlationId = _stringCreator.Get(length: 10);
var causationId = _stringCreator.Get(length: 10);
var messageId = _stringCreator.Get(length: 10);
await sut.Publish(
message,
new VentureOutgoingMessageHandlingContext(
message,
DateTimeOffset.UtcNow,
correlationId,
causationId,
messageId));
messageRouter.Message.Should().BeSameAs(message, "it should pass message without changes");
messageRouter.CorrelationId.Should().BeSameAs(correlationId, "it should pass correlation ID without changes");
messageRouter.CausationId.Should().BeSameAs(causationId, "it should pass causation ID without changes");
messageRouter.MessageId.Should().BeSameAs(messageId, "it should pass message ID without changes");
}
