public void Accepts_returns_false_if_sut_does_not_handle_message()
{
var message = new UnknownMessage();
var envelope = new Envelope(message);
MessageHandler sut = Mock.Of <MessageHandler>();
bool actual = sut.Accepts(envelope);
actual.Should().BeFalse();
}
public void Accepts_returns_true_if_sut_handles_message()
{
var message = new FooMessage();
var envelope = new Envelope(message);
var sut = new MessageHandler();
bool actual = sut.Accepts(envelope);
actual.Should().BeTrue();
}