public void VerifyQueueActionWillQueueAndRunOnceRenderFrameFired()
{
var fakeDecalEventsProxy = new Fakes.FakeDecalEventsProxy();
using (var fakePipelineAction = new Fakes.FakePipelineAction())
{
using (var dispatcher = new PipelineDispatcher(fakeDecalEventsProxy))
{
dispatcher.EnqueueAction(fakePipelineAction);
Assert.AreEqual(1, dispatcher.QueueCount);
Assert.IsFalse(dispatcher.HasPendingAction);
// Nothing should be called as a result of queueing
Assert.AreEqual(0, fakePipelineAction.InitCallCount);
Assert.AreEqual(0, fakePipelineAction.BeginInvokeCallCount);
Assert.AreEqual(0, fakePipelineAction.EndInvokeCallCount);
Assert.IsFalse(fakePipelineAction.IsComplete);
// Fire the render event
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
// Step 1 is to Init. Verify that happened.
Assert.IsTrue(dispatcher.HasPendingAction);
Assert.AreEqual(1, fakePipelineAction.InitCallCount);
Assert.AreEqual(0, fakePipelineAction.BeginInvokeCallCount);
Assert.AreEqual(0, fakePipelineAction.EndInvokeCallCount);
Assert.IsFalse(fakePipelineAction.IsComplete);
// Fire the render event
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
// Step 2 is to BeginInvoke & Wait in the Background
Assert.IsTrue(dispatcher.HasPendingAction);
Assert.AreEqual(1, fakePipelineAction.InitCallCount);
Assert.AreEqual(1, fakePipelineAction.BeginInvokeCallCount);
Assert.AreEqual(0, fakePipelineAction.EndInvokeCallCount);
Assert.IsFalse(fakePipelineAction.IsComplete);
// Now tell the background wait to release.
fakePipelineAction.ForTesting_SetComplete(false);
// The action should report complete, but the dispatcher shouldn't have processed it yet
// since we haven't fired render frame yet.
Assert.AreEqual(1, fakePipelineAction.InitCallCount);
Assert.AreEqual(1, fakePipelineAction.BeginInvokeCallCount);
Assert.AreEqual(0, fakePipelineAction.EndInvokeCallCount);
Assert.IsTrue(fakePipelineAction.IsComplete);
// Fire the render event
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
Assert.IsFalse(dispatcher.HasPendingAction);
// Now the action should have been fully processed
Assert.AreEqual(1, fakePipelineAction.InitCallCount);
Assert.AreEqual(1, fakePipelineAction.BeginInvokeCallCount);
Assert.AreEqual(1, fakePipelineAction.EndInvokeCallCount);
Assert.IsTrue(fakePipelineAction.IsComplete);
Assert.AreEqual(0, dispatcher.QueueCount);
// Check the thread id's that everything was invoked on to verify they were correct.
// Doing this at the end to simplying timing of caching this info
Assert.AreEqual(Thread.CurrentThread.ManagedThreadId, fakePipelineAction.InitThreadId);
Assert.AreEqual(Thread.CurrentThread.ManagedThreadId, fakePipelineAction.BeginInvokeThreadId);
Assert.AreEqual(Thread.CurrentThread.ManagedThreadId, fakePipelineAction.EndInvokeThreadId);
Assert.AreNotEqual(Thread.CurrentThread.ManagedThreadId, fakePipelineAction.WaitForCompleteThreadId);
}
}
}
public void VerifyReadyBehavior_WhenNotReady_ThenBecomesReady()
{
var fakeDecalEventsProxy = new Fakes.FakeDecalEventsProxy();
using (var fakePipelineAction = new Fakes.FakePipelineAction(false))
{
using (var dispatcher = new PipelineDispatcher(fakeDecalEventsProxy))
{
dispatcher.EnqueueAction(fakePipelineAction);
Assert.AreEqual(0, fakePipelineAction.ReadyCallCount);
// Fire the render event
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
// Step 1 is to Init. Ready should not have been called yet
Assert.AreEqual(0, fakePipelineAction.ReadyCallCount);
// Fire the render event
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
// Step 2 is to Call Ready, Perform if so, and Wait in the Background
Assert.IsTrue(dispatcher.HasPendingAction);
Assert.AreEqual(1, fakePipelineAction.ReadyCallCount);
Assert.AreEqual(0, fakePipelineAction.BeginInvokeCallCount);
Assert.AreEqual(0, fakePipelineAction.EndInvokeCallCount);
Assert.IsFalse(fakePipelineAction.IsComplete);
// So set it as ready so the next time around we can perform it
fakePipelineAction.ForTesting_Ready = true;
// Fire the render event
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
Assert.AreEqual(2, fakePipelineAction.ReadyCallCount);
Assert.AreEqual(1, fakePipelineAction.BeginInvokeCallCount);
Assert.AreEqual(0, fakePipelineAction.EndInvokeCallCount);
Assert.IsFalse(fakePipelineAction.IsComplete);
// Now tell the background wait to release.
fakePipelineAction.ForTesting_SetComplete(false);
// The action should report complete, but the dispatcher shouldn't have processed it yet
// since we haven't fired render frame yet.
Assert.AreEqual(1, fakePipelineAction.InitCallCount);
Assert.AreEqual(2, fakePipelineAction.ReadyCallCount);
Assert.AreEqual(1, fakePipelineAction.BeginInvokeCallCount);
Assert.AreEqual(0, fakePipelineAction.EndInvokeCallCount);
Assert.IsTrue(fakePipelineAction.IsComplete);
// Fire the render event
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
Assert.IsFalse(dispatcher.HasPendingAction);
// Now the action should have been fully processed
Assert.AreEqual(1, fakePipelineAction.InitCallCount);
Assert.AreEqual(2, fakePipelineAction.ReadyCallCount);
Assert.AreEqual(1, fakePipelineAction.BeginInvokeCallCount);
Assert.AreEqual(1, fakePipelineAction.EndInvokeCallCount);
Assert.IsTrue(fakePipelineAction.IsComplete);
Assert.AreEqual(0, dispatcher.QueueCount);
}
}
}
public void VerifyReadyBehaviorWhenReadyInitially()
{
var fakeDecalEventsProxy = new Fakes.FakeDecalEventsProxy();
using (var fakePipelineAction = new Fakes.FakePipelineAction())
{
using (var dispatcher = new PipelineDispatcher(fakeDecalEventsProxy))
{
dispatcher.EnqueueAction(fakePipelineAction);
// Nothing should be called as a result of queueing
Assert.AreEqual(0, fakePipelineAction.ReadyCallCount);
// Fire the render event
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
// Step 1 is to Init. Ready should not have been called yet
Assert.AreEqual(0, fakePipelineAction.ReadyCallCount);
// Fire the render event
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
// Step 2 is to BeginInvoke & Wait in the Background
Assert.IsTrue(dispatcher.HasPendingAction);
Assert.AreEqual(1, fakePipelineAction.ReadyCallCount);
Assert.AreEqual(1, fakePipelineAction.BeginInvokeCallCount);
// Now tell the background wait to release.
fakePipelineAction.ForTesting_SetComplete(false);
// Fire the render event
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
Assert.IsFalse(dispatcher.HasPendingAction);
// Now the action should have been fully processed
Assert.AreEqual(1, fakePipelineAction.InitCallCount);
Assert.AreEqual(1, fakePipelineAction.BeginInvokeCallCount);
Assert.AreEqual(1, fakePipelineAction.EndInvokeCallCount);
Assert.IsTrue(fakePipelineAction.IsComplete);
Assert.AreEqual(0, dispatcher.QueueCount);
}
}
}
public void VerifyReadyBehavior_WhenNotReady()
{
var fakeDecalEventsProxy = new Fakes.FakeDecalEventsProxy();
using (var fakePipelineAction = new Fakes.FakePipelineAction(false))
{
using (var dispatcher = new PipelineDispatcher(fakeDecalEventsProxy))
{
dispatcher.EnqueueAction(fakePipelineAction);
// Fire the render event
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
// Step 1 is to Init. Ready should not have been called yet
Assert.AreEqual(0, fakePipelineAction.ReadyCallCount);
// Fire the render event
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
// Step 2 is to Call Ready, Perform if so, and Wait in the Background
Assert.IsTrue(dispatcher.HasPendingAction);
Assert.AreEqual(1, fakePipelineAction.ReadyCallCount);
Assert.AreEqual(0, fakePipelineAction.BeginInvokeCallCount);
Assert.AreEqual(0, fakePipelineAction.EndInvokeCallCount);
Assert.IsFalse(fakePipelineAction.IsComplete);
}
}
}
public void VerifyQueueActionCanRetry()
{
var fakeDecalEventsProxy = new Fakes.FakeDecalEventsProxy();
using (var fakePipelineAction = new Fakes.FakePipelineAction())
{
using (var dispatcher = new PipelineDispatcher(fakeDecalEventsProxy))
{
dispatcher.EnqueueAction(fakePipelineAction);
// Fire the render event - Gets us init'ed
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
// Fire the render event again - bets us begin invoked
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
// Now tell the background wait to release and request a retry
fakePipelineAction.ForTesting_SetComplete(true);
// Now we are into the situation this unit test is focused on. Start making assertions.
Assert.IsTrue(dispatcher.HasPendingAction);
// Fire the render event - This should trip the Retry check and Reset
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
// Init should not be called again, so make sure that count is still 1.
Assert.AreEqual(1, fakePipelineAction.InitCallCount);
// Begin invoke shouldn't have been called again yet. So the count should still be 1.
Assert.AreEqual(1, fakePipelineAction.BeginInvokeCallCount);
// We are retrying, not completing, so no EndInvoke.
Assert.AreEqual(0, fakePipelineAction.EndInvokeCallCount);
// Now, what should have changed due to the lastest firing.
Assert.AreEqual(1, fakePipelineAction.RetryCallCount);
Assert.AreEqual(1, fakePipelineAction.ResetForRetryCallCount);
Assert.IsTrue(dispatcher.HasPendingAction);
// Fire the render event - Now begin invoke will be called again.
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
// Init should never be called again, so make sure that count is still 1.
Assert.AreEqual(1, fakePipelineAction.InitCallCount);
// Begin invoke will have been called again
Assert.AreEqual(2, fakePipelineAction.BeginInvokeCallCount);
// We are retrying, not completing, so no EndInvoke.
Assert.AreEqual(0, fakePipelineAction.EndInvokeCallCount);
// These are unchanged
Assert.AreEqual(1, fakePipelineAction.RetryCallCount);
Assert.AreEqual(1, fakePipelineAction.ResetForRetryCallCount);
// Now complete the action for real
fakePipelineAction.ForTesting_SetComplete(false);
// Fire the render event - This should cause everything to complete.
fakeDecalEventsProxy.FireRenderFrame(new EventArgs());
// Now the action should have been fully processed
Assert.AreEqual(1, fakePipelineAction.InitCallCount);
Assert.AreEqual(2, fakePipelineAction.BeginInvokeCallCount);
Assert.AreEqual(1, fakePipelineAction.EndInvokeCallCount);
Assert.IsTrue(fakePipelineAction.IsComplete);
Assert.AreEqual(2, fakePipelineAction.RetryCallCount);
Assert.AreEqual(1, fakePipelineAction.ResetForRetryCallCount);
Assert.AreEqual(0, dispatcher.QueueCount);
// Check the thread id's that everything was invoked on to verify they were correct.
// Doing this at the end to simplying timing of caching this info
Assert.AreEqual(Thread.CurrentThread.ManagedThreadId, fakePipelineAction.InitThreadId);
Assert.AreEqual(Thread.CurrentThread.ManagedThreadId, fakePipelineAction.BeginInvokeThreadId);
Assert.AreEqual(Thread.CurrentThread.ManagedThreadId, fakePipelineAction.EndInvokeThreadId);
Assert.AreEqual(Thread.CurrentThread.ManagedThreadId, fakePipelineAction.ResetForRetryThreadId);
Assert.AreNotEqual(Thread.CurrentThread.ManagedThreadId, fakePipelineAction.WaitForCompleteThreadId);
}
}
}