public void Should_replay_last_event_when_adding_a_channel()
{
// given
var multicastChannel = new MulticastChannel();
var channel = Substitute.For<IEventChannel>();
multicastChannel.Send(new ServerSentEvent("DEBUG", "whatever"), CancellationToken.None);
// when
multicastChannel.AddChannel(channel, CancellationToken.None);
// then
channel.Received().Send(Arg.Any<ServerSentEvent>(), CancellationToken.None);
}
public void Should_replay_last_event_when_adding_a_channel()
{
// given
var multicastChannel = new MulticastChannel();
var channel = Substitute.For <IEventChannel>();
multicastChannel.Send(new ServerSentEvent("DEBUG", "whatever"), CancellationToken.None);
// when
multicastChannel.AddChannel(channel, CancellationToken.None);
// then
channel.Received().Send(Arg.Any <ServerSentEvent>(), CancellationToken.None);
}
public void Should_stop_sending_events_on_a_close_channel()
{
// given
var multicastChannel = new MulticastChannel();
var channel = Substitute.For<IEventChannel>();
channel.When(c => c.Send(Arg.Any<ServerSentEvent>(), CancellationToken.None)).Do(x => { throw new Exception(); });
multicastChannel.AddChannel(channel, CancellationToken.None);
// when
multicastChannel.Send(new ServerSentEvent("DEBUG", "whatever"), CancellationToken.None); // exception raised
multicastChannel.Send(new ServerSentEvent("DEBUG", "whatever"), CancellationToken.None); // channel should be removed
// then
channel.Received(1).Send(Arg.Any<ServerSentEvent>(), CancellationToken.None);
}
public void Should_replay_only_last_events_when_adding_a_channel()
{
// given
var multicastChannel = new MulticastChannel(2);
var channel = Substitute.For<IEventChannel>();
multicastChannel.Send(new ServerSentEvent("DEBUG", "first"), CancellationToken.None);
multicastChannel.Send(new ServerSentEvent("DEBUG", "whatever2"), CancellationToken.None);
multicastChannel.Send(new ServerSentEvent("DEBUG", "whatever3"), CancellationToken.None);
// when
multicastChannel.AddChannel(channel, CancellationToken.None);
// then
channel.Received(2).Send(Arg.Any<ServerSentEvent>(), CancellationToken.None);
channel.DidNotReceive().Send(Arg.Is<ServerSentEvent>(e => e.ToString().Contains("first")), CancellationToken.None);
}
public void Should_stop_sending_events_on_a_close_channel()
{
// given
var multicastChannel = new MulticastChannel();
var channel = Substitute.For <IEventChannel>();
channel.When(c => c.Send(Arg.Any <ServerSentEvent>(), CancellationToken.None)).Do(x => { throw new Exception(); });
multicastChannel.AddChannel(channel, CancellationToken.None);
// when
multicastChannel.Send(new ServerSentEvent("DEBUG", "whatever"), CancellationToken.None); // exception raised
multicastChannel.Send(new ServerSentEvent("DEBUG", "whatever"), CancellationToken.None); // channel should be removed
// then
channel.Received(1).Send(Arg.Any <ServerSentEvent>(), CancellationToken.None);
}
public void Should_replay_only_last_events_when_adding_a_channel()
{
// given
var multicastChannel = new MulticastChannel(2);
var channel = Substitute.For <IEventChannel>();
multicastChannel.Send(new ServerSentEvent("DEBUG", "first"), CancellationToken.None);
multicastChannel.Send(new ServerSentEvent("DEBUG", "whatever2"), CancellationToken.None);
multicastChannel.Send(new ServerSentEvent("DEBUG", "whatever3"), CancellationToken.None);
// when
multicastChannel.AddChannel(channel, CancellationToken.None);
// then
channel.Received(2).Send(Arg.Any <ServerSentEvent>(), CancellationToken.None);
channel.DidNotReceive().Send(Arg.Is <ServerSentEvent>(e => e.ToString().Contains("first")), CancellationToken.None);
}
public virtual IEventChannel Create(string host, int port, int bufferSize)
{
var channel = new MulticastChannel(bufferSize);
var jsTemplate = GetContent(Assembly.GetExecutingAssembly().GetManifestResourceStream("BrowserLog.BrowserLog.js"));
var htmlTemplate = GetContent(Assembly.GetExecutingAssembly().GetManifestResourceStream("BrowserLog.homepage.html"));
var html = htmlTemplate.Replace("HOST", Dns.GetHostName()).Replace("PORT", port.ToString());
Action<HttpContext> handler = ctx =>
{
var httpResponse = new HttpResponse(200, "OK");
if (ctx.HttpRequest.Uri == "/")
{
httpResponse.AddHeader("Content-Type", "text/html");
httpResponse.AddHeader("Connection", "close");
httpResponse.Content = html;
ctx.ResponseChannel.Send(httpResponse, ctx.Token).ContinueWith(t => ctx.ResponseChannel.Close());
}
else if (ctx.HttpRequest.Uri.Contains(".js"))
{
var js = jsTemplate.Replace("URL_QUERY", ctx.HttpRequest.Uri);
httpResponse.AddHeader("Content-Type", "text/javascript");
httpResponse.AddHeader("Connection", "close");
httpResponse.Content = js;
ctx.ResponseChannel.Send(httpResponse, ctx.Token).ContinueWith(t => ctx.ResponseChannel.Close());
}
else
{
httpResponse.AddHeader("Content-Type", "text/event-stream");
httpResponse.AddHeader("Cache-Control", "no-cache");
httpResponse.AddHeader("Connection", "keep-alive");
httpResponse.AddHeader("Access-Control-Allow-Origin", "*");
ctx.ResponseChannel.Send(httpResponse, ctx.Token)
.ContinueWith(t =>
{
ctx.ResponseChannel.Send(new ServerSentEvent("INFO",
"Connected successfully on LOG stream from " + host + ":" + port), ctx.Token);
channel.AddChannel(ctx.ResponseChannel, ctx.Token);
});
}
};
var httpServer = new HttpServer(host, port, handler);
channel.AttachServer(httpServer);
httpServer.Run();
return channel;
}
