public void Proxy_OnAfterInvoke_IfExceptionAndIfRetryCountUsedUp_IsNotFired()
{
var serviceSub = Substitute.For<IExceptionDetailService>();
serviceSub
.Method(Arg.Any<string>())
.Throws<Exception>();
var service = new ExceptionDetailService(serviceSub);
int attempts = 0; // number of times method has been attempted to be called
bool fired = false; // true if OnAfterInvoke event was fired
var proxy = service.StartHostAndProxy<IExceptionDetailService>(c =>
{
c.MaximumRetries(5);
c.RetryOnException<FaultException<ExceptionDetail>>();
c.SetDelayPolicy(() => new ConstantDelayPolicy(TimeSpan.FromMilliseconds(10)));
c.OnBeforeInvoke += (sender, args) => attempts++;
c.OnAfterInvoke += (sender, args) => fired = true;
});
try
{
proxy.Method("test");
}
catch { }
Assert.AreEqual(6, attempts, "Assumption failed: Should attempt to call service method 6 times");
Assert.IsFalse(fired, "OnAfterInvoke was called when it should not have been!");
}
public void Proxy_OnBeforeInvoke_IfRetry_FiredManyTimes()
{
var resetEvent = new AutoResetEvent(false);
// set up a service method that throws first two times, and completes on the third time
var serviceSub = Substitute.For<IExceptionDetailService>();
var service = new ExceptionDetailService(serviceSub);
int mockFireCount = 0;
serviceSub
.When(m => m.Method(Arg.Any<string>()))
.Do(_ =>
{
mockFireCount++;
if (mockFireCount < 3)
throw new Exception();
});
int fireCount = 0;
var proxy = service.StartHostAndProxy<IExceptionDetailService>(c =>
{
c.MaximumRetries(10);
c.RetryOnException<FaultException<ExceptionDetail>>();
OnInvokeHandler handler = (sender, args) =>
{
fireCount++;
Assert.AreEqual(fireCount > 1, args.IsRetry, "IsRetry is not set correctly");
Assert.AreEqual(fireCount - 1, args.RetryCounter, "RetryCounter is not set correctly");
Assert.AreEqual(typeof(IExceptionDetailService), args.ServiceType, "ServiceType is not set correctly");
if (fireCount >= 2)
resetEvent.Set();
};
c.OnBeforeInvoke += handler;
});
proxy.Method("test");
if (!resetEvent.WaitOne(TimeSpan.FromSeconds(10)))
Assert.Fail("OnBeforeInvoke probably not called");
Assert.AreEqual(3, fireCount, "Not called three times!");
}