public void FilteredCustomHandlerUsingCombinedFilter_FiltersEventsRemotely()
{
// prepare event handler
var firstArgument = 0;
var secondArgument = string.Empty;
var handled = false;
var handler = new CustomEventType((first, second) =>
{
firstArgument = first;
secondArgument = second;
handled = true;
});
// initialize event filter
handler = FilteredEventHandler.Create(handler, new CustomEventFilter("2.718", "1.618"), false);
handler = FilteredEventHandler.Create(handler, new CustomEventFilter("3.14", "2.718"), false);
// attach client-side event filter
var proxy = ZyanConnection.CreateProxy <ISampleServer>();
proxy.CustomEvent += handler;
// raise events, check results
proxy.RaiseCustomEvent(3, ".14"); // filtered out
Assert.IsFalse(handled);
proxy.RaiseCustomEvent(2, ".718");
Assert.IsTrue(handled);
Assert.AreEqual(2, firstArgument);
Assert.AreEqual(".718", secondArgument);
handled = false;
proxy.RaiseCustomEvent(1, ".618"); // filtered out
Assert.IsFalse(handled);
}
public void FilteredEventHandlerOfCustomType_FiltersEventsLocally()
{
// prepare event handler
var firstArgument = 0;
var secondArgument = string.Empty;
var handled = false;
var handler = new CustomEventType((first, second) =>
{
firstArgument = first;
secondArgument = second;
handled = true;
});
// attach client-side event filter
var sample = new SampleServer();
sample.CustomEvent += FilteredEventHandler.Create(handler, new CustomEventFilter("3.14"));
// raise events, check results
sample.RaiseCustomEvent(1, string.Empty); // filtered out
Assert.IsFalse(handled);
sample.RaiseCustomEvent(3, ".14");
Assert.IsTrue(handled);
Assert.AreEqual(3, firstArgument);
Assert.AreEqual(".14", secondArgument);
handled = false;
sample.RaiseCustomEvent(); // filtered out
Assert.IsFalse(handled);
}
public void FilteredEventHandlerOfCustomType_FiltersEventsRemotely()
{
// prepare event handler
var firstArgument = 0;
var secondArgument = string.Empty;
var handled = false;
var handler = new CustomEventType((first, second) =>
{
firstArgument = first;
secondArgument = second;
handled = true;
});
// attach server-side event filter
var proxy = ZyanConnection.CreateProxy <ISampleServer>();
proxy.CustomEvent += FilteredEventHandler.Create(handler, new CustomEventFilter("2.71828"), false);
// raise events, check results
proxy.RaiseCustomEvent(1, string.Empty); // filtered out
Assert.IsFalse(handled);
proxy.RaiseCustomEvent(2, ".71828");
Assert.IsTrue(handled);
Assert.AreEqual(2, firstArgument);
Assert.AreEqual(".71828", secondArgument);
handled = false;
proxy.RaiseCustomEvent(); // filtered out
Assert.IsFalse(handled);
}
public void EventsWithArgumentsDerivedFromSessionBoundEvents_AreBoundToSessionsAndCanBeFiltered()
{
// start a new session
using (var conn = new ZyanConnection(ZyanConnection.ServerUrl, new NullClientProtocolSetup()))
{
var proxy1 = ZyanConnection.CreateProxy <ISampleServer>();
var proxy2 = conn.CreateProxy <ISampleServer>();
var handled1 = 0;
var handled2 = 0;
proxy1.CustomSessionBoundEvent += FilteredEventHandler.Create((object s, CustomEventArgs args) => handled1 = args.Value, new CustomSessionBoundEventFilter(123, 321));
proxy2.CustomSessionBoundEvent += (s, args) => handled2 = args.Value;
proxy1.RaiseCustomSessionBoundEvent(123);
Assert.AreEqual(123, handled1);
Assert.AreEqual(0, handled2);
proxy2.RaiseCustomSessionBoundEvent(321);
Assert.AreEqual(123, handled1);
Assert.AreEqual(321, handled2);
proxy1.RaiseCustomSessionBoundEvent(111); // filtered out
Assert.AreEqual(123, handled1);
Assert.AreEqual(321, handled2);
}
}
/* Syntax checks */
private void SyntaxChecks()
{
var proxy = ZyanConnection.CreateProxy <ISampleServer>();
// Create for EventHandler type — no generic parameters
proxy.TestEvent += FilteredEventHandler.Create(TestEventHandler, new TestEventFilter());
// Create for EventHandler<TEventArgs> type — single generic parameter for EventArgs type
proxy.SampleEvent += FilteredEventHandler.Create <SampleEventArgs>(SampleEventHandler, new SampleEventFilter());
// Create for custom event type — single generic parameter for delegate type
proxy.CustomEvent += FilteredEventHandler.Create <CustomEventType>(CustomEventHandler, new CustomEventFilter());
// AddFilter for EventHandler type — no generic parameters
var testEventHandler = new EventHandler(TestEventHandler);
testEventHandler = testEventHandler.AddFilter(new TestEventFilter());
// AddFilter for EventHandler<TEventArgs> type — no generic parameters
var sampleEventHandler = new EventHandler <SampleEventArgs>(SampleEventHandler);
sampleEventHandler = sampleEventHandler.AddFilter(new SampleEventFilter());
// AddFilter for EventHandler<TEventArgs> using Linq expression — no generic parameters
sampleEventHandler = sampleEventHandler.AddFilter((sender, args) => args.Value != 1);
}
public void FilteredEventHandlerUsingFactorySyntax_FiltersEventsLocally()
{
// prepare event handler, attach event filter
var handledValue = 0;
var sample = new SampleServer();
sample.SampleEvent += FilteredEventHandler.Create((object sender, SampleEventArgs args) => handledValue = args.Value, new SampleEventFilter(321));
// raise events, check results
sample.RaiseSampleEvent(123); // filtered out
Assert.AreEqual(0, handledValue);
sample.RaiseSampleEvent(321);
Assert.AreEqual(321, handledValue);
handledValue = 111;
sample.RaiseSampleEvent(456); // filtered out
Assert.AreEqual(111, handledValue);
}
public void FilteredEventHandlerUsingFactorySyntax_FiltersEventsRemotely()
{
// prepare event handler
var handledValue = 0;
var handler = new EventHandler <SampleEventArgs>((sender, args) => handledValue = args.Value);
// attach server-side event filter
var proxy = ZyanConnection.CreateProxy <ISampleServer>();
proxy.SampleEvent += FilteredEventHandler.Create(handler, new SampleEventFilter(123), false);
// raise events
proxy.RaiseSampleEvent(111); // filtered out
Assert.AreEqual(0, handledValue);
proxy.RaiseSampleEvent(123);
Assert.AreEqual(123, handledValue);
handledValue = 222;
proxy.RaiseSampleEvent(456); // filtered out
Assert.AreEqual(222, handledValue);
}
public void EventsWithArgumentsDerivedFromSessionBoundEvents_CanListenToOtherSessions()
{
var nullProtocol = new NullClientProtocolSetup();
// start two new sessions
using (var conn2 = new ZyanConnection(ZyanConnection.ServerUrl, nullProtocol))
using (var conn3 = new ZyanConnection(ZyanConnection.ServerUrl, nullProtocol))
{
var proxy1 = ZyanConnection.CreateProxy <ISampleServer>();
var proxy2 = conn2.CreateProxy <ISampleServer>();
var proxy3 = conn3.CreateProxy <ISampleServer>();
var sessions13 = new[] { ZyanConnection.SessionID, conn3.SessionID }; // session2 is not included
var handled1 = 0;
var handled2 = 0;
var handled3 = 0;
proxy1.CustomSessionBoundEvent += (s, args) => handled1 = args.Value;
proxy2.CustomSessionBoundEvent += FilteredEventHandler.Create <CustomEventArgs>((s, args) => handled2 = args.Value, new SessionEventFilter(sessions13));
proxy3.CustomSessionBoundEvent += (s, args) => handled3 = args.Value;
proxy1.RaiseCustomSessionBoundEvent(123);
Assert.AreEqual(123, handled1);
Assert.AreEqual(123, handled2); // proxy2 receives event from session1
Assert.AreEqual(0, handled3);
proxy2.RaiseCustomSessionBoundEvent(321);
Assert.AreEqual(123, handled1);
Assert.AreEqual(123, handled2); // proxy2 doesn't receive events from session2
Assert.AreEqual(0, handled3);
proxy3.RaiseCustomSessionBoundEvent(111);
Assert.AreEqual(123, handled1);
Assert.AreEqual(111, handled2); // proxy2 receives event from session3
Assert.AreEqual(111, handled3);
}
}