public void should_consume_event_in_the_classic_way()
{
var sut = new SomeEventBasedClass();
var messages = new List <string>();
MyHandler myHandler = (sender, args) => messages.Add(args.SomeField);
sut.Sent += myHandler;
sut.Send("message 1");
sut.Send("message 2");
sut.Send("message 3");
messages[0].Should().Be("message 1");
messages[1].Should().Be("message 2");
messages[2].Should().Be("message 3");
sut.Sent -= myHandler;
}
public void should_consume_the_same_events_as_a_stream()
{
var sut = new SomeEventBasedClass();
var stream = Observable.FromEventPattern <MyHandler, MyHandlerArgs>(
handler => sut.Sent += handler,
handler => sut.Sent -= handler);
var result = new List <string>();
var stringObserver = new StringObserver <string>(result);
using (var disposable = stream.Select(a => a.EventArgs.SomeField).Subscribe(stringObserver))
{
sut.Send("message 1");
sut.Send("message 2");
sut.Send("message 3");
}
result[0].Should().Be("OnNext(message 1)");
result[1].Should().Be("OnNext(message 2)");
result[2].Should().Be("OnNext(message 3)");
}
public void should_create_an_observable_from_EventPattern_using_the_short_form()
{
var sut = new SomeEventBasedClass();
// var stream = Observable.FromEventPattern<MyHandler, MyHandlerArgs>(
// handler => sut.Sent += handler,
// handler => sut.Sent -= handler);
var stream = Observable.FromEventPattern <MyHandlerArgs>(sut, nameof(SomeEventBasedClass.Sent));
var result = new List <string>();
var stringObserver = new StringObserver <string>(result);
using (var disposable = stream.Select(a => a.EventArgs.SomeField).Subscribe(stringObserver))
{
sut.Send("message 1");
sut.Send("message 2");
sut.Send("message 3");
}
result[0].Should().Be("OnNext(message 1)");
result[1].Should().Be("OnNext(message 2)");
result[2].Should().Be("OnNext(message 3)");
}