void ObserverTest_SimpleNotification_Callback(int a, int b, AsyncResultHandle result)
{
callbackCounter++;
logger.Info("Invoking ObserverTest_SimpleNotification_Callback for {0} time with a = {1} and b = {2}", callbackCounter, a, b);
if (a == 3 && b == 0)
callbacksRecieved[0] = true;
else if (a == 3 && b == 2)
callbacksRecieved[1] = true;
else
throw new ArgumentOutOfRangeException("Unexpected callback with values: a=" + a + ",b=" + b);
if (callbackCounter == 1)
{
// Allow for callbacks occurring in any order
Assert.True(callbacksRecieved[0] || callbacksRecieved[1]);
}
else if (callbackCounter == 2)
{
Assert.True(callbacksRecieved[0] && callbacksRecieved[1]);
result.Done = true;
}
else
{
Assert.True(false);
}
}
public async Task ObserverTest_SimpleNotification_GeneratedFactory()
{
TestInitialize();
var result = new AsyncResultHandle();
ISimpleObserverableGrain grain = GetGrain();
observer1 = new SimpleGrainObserver(ObserverTest_SimpleNotification_Callback, result);
ISimpleGrainObserver reference = await GrainFactory.CreateObjectReference<ISimpleGrainObserver>(observer1);
await grain.Subscribe(reference);
await grain.SetA(3);
await grain.SetB(2);
Assert.True(await result.WaitForFinished(timeout));
await GrainFactory.DeleteObjectReference<ISimpleGrainObserver>(reference);
}
public SimpleGrainObserver(Action<int, int, AsyncResultHandle> action, AsyncResultHandle result)
{
this.action = action;
this.result = result;
}
void ObserverTest_DeleteObject_Callback(int a, int b, AsyncResultHandle result)
{
callbackCounter++;
logger.Info("Invoking ObserverTest_DeleteObject_Callback for {0} time with a = {1} and b = {2}", callbackCounter, a, b);
Assert.True(callbackCounter < 2, "Callback has been called more times than was expected.");
Assert.Equal(5, a);
Assert.Equal(0, b);
result.Continue = true;
}
public async Task ObserverTest_SubscriberMustBeGrainReference()
{
TestInitialize();
await Xunit.Assert.ThrowsAsync(typeof(NotSupportedException), async () =>
{
var result = new AsyncResultHandle();
ISimpleObserverableGrain grain = GetGrain();
observer1 = new SimpleGrainObserver(ObserverTest_SimpleNotification_Callback, result);
ISimpleGrainObserver reference = observer1;
// Should be: GrainFactory.CreateObjectReference<ISimpleGrainObserver>(obj);
await grain.Subscribe(reference);
// Not reached
});
}
public async Task ObserverTest_DeleteObject()
{
TestInitialize();
var result = new AsyncResultHandle();
ISimpleObserverableGrain grain = GetGrain();
observer1 = new SimpleGrainObserver(ObserverTest_DeleteObject_Callback, result);
ISimpleGrainObserver reference = await GrainFactory.CreateObjectReference<ISimpleGrainObserver>(observer1);
await grain.Subscribe(reference);
await grain.SetA(5);
Assert.True(await result.WaitForContinue(timeout), string.Format("Should not timeout waiting {0} for SetA", timeout));
await GrainFactory.DeleteObjectReference<ISimpleGrainObserver>(reference);
await grain.SetB(3);
Assert.False(await result.WaitForFinished(timeout), string.Format("Should timeout waiting {0} for SetB", timeout));
}
void ObserverTest_DoubleSubscriptionDifferentReferences_Callback(int a, int b, AsyncResultHandle result)
{
callbackCounter++;
logger.Info("Invoking ObserverTest_DoubleSubscriptionDifferentReferences_Callback for {0} time with a = {1} and b = {2}", callbackCounter, a, b);
Assert.True(callbackCounter < 3, "Callback has been called more times than was expected.");
Assert.Equal(6, a);
Assert.Equal(0, b);
if (callbackCounter == 2)
result.Done = true;
}
public async Task ObserverTest_DoubleSubscriptionDifferentReferences()
{
TestInitialize();
var result = new AsyncResultHandle();
ISimpleObserverableGrain grain = GetGrain();
observer1 = new SimpleGrainObserver(ObserverTest_DoubleSubscriptionDifferentReferences_Callback, result);
ISimpleGrainObserver reference1 = await GrainFactory.CreateObjectReference<ISimpleGrainObserver>(observer1);
observer2 = new SimpleGrainObserver(ObserverTest_DoubleSubscriptionDifferentReferences_Callback, result);
ISimpleGrainObserver reference2 = await GrainFactory.CreateObjectReference<ISimpleGrainObserver>(observer2);
await grain.Subscribe(reference1);
await grain.Subscribe(reference2);
grain.SetA(6).Ignore();
Assert.True(await result.WaitForFinished(timeout), string.Format("Should not timeout waiting {0} for SetA", timeout));
await GrainFactory.DeleteObjectReference<ISimpleGrainObserver>(reference1);
await GrainFactory.DeleteObjectReference<ISimpleGrainObserver>(reference2);
}
void ObserverTest_DoubleSubscriptionSameReference_Callback(int a, int b, AsyncResultHandle result)
{
callbackCounter++;
logger.Info("Invoking ObserverTest_DoubleSubscriptionSameReference_Callback for {0} time with a={1} and b={2}", callbackCounter, a, b);
Assert.True(callbackCounter <= 2, "Callback has been called more times than was expected " + callbackCounter);
if (callbackCounter == 2)
{
result.Continue = true;
}
}
public async Task ObserverTest_DoubleSubscriptionSameReference()
{
TestInitialize();
var result = new AsyncResultHandle();
ISimpleObserverableGrain grain = GetGrain();
observer1 = new SimpleGrainObserver(ObserverTest_DoubleSubscriptionSameReference_Callback, result);
ISimpleGrainObserver reference = await GrainFactory.CreateObjectReference<ISimpleGrainObserver>(observer1);
await grain.Subscribe(reference);
await grain.SetA(1); // Use grain
try
{
await grain.Subscribe(reference);
}
catch (TimeoutException)
{
throw;
}
catch (Exception exc)
{
Exception baseException = exc.GetBaseException();
logger.Info("Received exception: {0}", baseException);
Assert.IsAssignableFrom<OrleansException>(baseException);
if (!baseException.Message.StartsWith("Cannot subscribe already subscribed observer"))
{
Assert.True(false, "Unexpected exception message: " + baseException);
}
}
await grain.SetA(2); // Use grain
Assert.False(await result.WaitForFinished(timeout), string.Format("Should timeout waiting {0} for SetA(2)", timeout));
await GrainFactory.DeleteObjectReference<ISimpleGrainObserver>(reference);
}