public void ProxyImplementsIInterceptingProxy()
{
MBROWithOneMethod original = new MBROWithOneMethod();
MBROWithOneMethod proxy = new InterceptingRealProxy(original, typeof(MBROWithOneMethod))
.GetTransparentProxy() as MBROWithOneMethod;
Assert.IsNotNull(proxy as IInterceptingProxy);
}
public void CanCreateProxyWithAdditionalInterfaces()
{
MBROWithOneMethod original = new MBROWithOneMethod();
MBROWithOneMethod proxy =
new InterceptingRealProxy(original, typeof(MBROWithOneMethod), typeof(InterfaceOne))
.GetTransparentProxy() as MBROWithOneMethod;
Assert.IsTrue(proxy is InterfaceOne);
}
public void CanSuccessfullyInvokeAnAdditionalInterfaceMethodIfAnInterceptorDoesNotForwardTheCall()
{
MBROWithOneMethod original = new MBROWithOneMethod();
InterfaceOne proxy =
new InterceptingRealProxy(original, typeof(MBROWithOneMethod), typeof(InterfaceOne))
.GetTransparentProxy() as InterfaceOne;
bool invoked = false;
((IInterceptingProxy)proxy).AddInterceptionBehavior(
new DelegateInterceptionBehavior(
(input, getNext) => { invoked = true; return(input.CreateMethodReturn(null)); }));
proxy.Something();
Assert.IsTrue(invoked);
}
public void CanInterceptMethodsThroughProxy()
{
CallCountInterceptionBehavior interceptor = new CallCountInterceptionBehavior();
MBROWithOneMethod original = new MBROWithOneMethod();
MBROWithOneMethod intercepted = new InterceptingRealProxy(original, typeof(MBROWithOneMethod))
.GetTransparentProxy() as MBROWithOneMethod;
IInterceptingProxy proxy = (IInterceptingProxy)intercepted;
proxy.AddInterceptionBehavior(interceptor);
int result = intercepted.DoSomething(5);
Assert.AreEqual(5 * 3, result);
Assert.AreEqual(1, interceptor.CallCount);
}
public void InvokingMethodOnAdditionalInterfaceThrowsIfNotHandledByInterceptor()
{
MBROWithOneMethod original = new MBROWithOneMethod();
InterfaceOne proxy =
new InterceptingRealProxy(original, typeof(MBROWithOneMethod), typeof(InterfaceOne))
.GetTransparentProxy() as InterfaceOne;
try
{
proxy.Something();
Assert.Fail("should have thrown");
}
catch (InvalidOperationException)
{
// expected
}
}
public void CanInterceptMethodsThroughProxy()
{
MethodInfo doSomething = typeof(MBROWithOneMethod).GetMethod("DoSomething");
CallCountHandler handler = new CallCountHandler();
MBROWithOneMethod original = new MBROWithOneMethod();
MBROWithOneMethod intercepted = new InterceptingRealProxy(original, typeof(MBROWithOneMethod))
.GetTransparentProxy() as MBROWithOneMethod;
IInterceptingProxy proxy = (IInterceptingProxy)intercepted;
proxy.SetPipeline(doSomething, new HandlerPipeline(Seq.Collect <ICallHandler>(handler)));
int result = intercepted.DoSomething(5);
Assert.AreEqual(5 * 3, result);
Assert.AreEqual(1, handler.CallCount);
}
