public async Task <ServerActionResult> SendToServer()
{
var t = Log.MethodEntered();
await TaskV2.Delay(10); // communication with server would happen here
sentToServerCounter++;
if (simulateOneTimeout)
{
simulateOneTimeout = false; return(ServerActionResult.RETRY);
}
if (simulateError)
{
return(ServerActionResult.FAIL);
}
// After communicating with the server an additional store update might be needed:
var serverConfirmedEmail = true; // <- this answer would come from the server
var store = IoC.inject.Get <DataStore <MyAppState1> >(this);
store.Dispatch(new ActionOnUser.EmailConfirmed()
{
targetEmail = newEmail,
isEmailConfirmed = serverConfirmedEmail
});
return(ServerActionResult.SUCCESS);
}
private async Task <string> SomeAsyncFailingTask2()
{
var t = Log.MethodEntered();
await TaskV2.Delay(5);
throw new Exception("task failed as requested");
}
private async Task HandleLongPress()
{
// Only execute long press detection if there are listeners registered:
if (onLongPressStart.IsNullOrEmpty() && onLongPressEnd.IsNullOrEmpty())
{
return;
}
var isPointerUpAgain = pointerUpTask.Task;
await TaskV2.Delay(longPressDurInMs);
var distanceInPixels = latestPointer.position - pointerDown.position;
if (distanceInPixels.magnitude > maxPixelDistance)
{
return;
}
if (!isPointerUpAgain.IsCompleted)
{
SetClickResult(ClickResult.longPress);
onLongPressStart?.Invoke();
await pointerUpTask.Task;
onLongPressEnd?.Invoke();
}
}
private static async Task TestErrorDetectionWithMultipleThreads(Func <Task> newErrorTask)
{
var d = new MyDisposable();
using (d) {
Task t1 = TaskV2.Run(newErrorTask);
Task t2 = null, t3 = null;
try {
Assert.False(d.DEBUG_ThrownExceptionDetectedInCurrentContext());
t2 = TaskV2.Run(newErrorTask);
Assert.False(d.DEBUG_ThrownExceptionDetectedInCurrentContext());
t3 = TaskV2.Run(newErrorTask);
Assert.False(d.DEBUG_ThrownExceptionDetectedInCurrentContext());
await Task.WhenAll(t1, t2, t3);
} catch (Exception) {
Assert.True(d.DEBUG_ThrownExceptionDetectedInCurrentContext());
}
Assert.False(d.DEBUG_ThrownExceptionDetectedInCurrentContext());
Assert.True(t1.IsCompleted);
Assert.True(t2.IsCompleted);
Assert.True(t3.IsCompleted);
Assert.True(t1.IsFaulted);
Assert.True(t2.IsFaulted);
Assert.True(t3.IsFaulted);
}
Assert.False(d.DEBUG_ThrownExceptionDetectedInCurrentContext());
Assert.False(d.exceptionWasDetected);
}
private async Task DelayAndThenForceProcessBatch()
{
Log.MethodEntered();
await TaskV2.Delay(2000);
await BatchProcess();
}
public IEnumerator TestMixingBackgroundAndMainThread()
{
var timing = Log.MethodEntered("TestMixingBackgroundAndMainThread");
var backgroundTask1IsDone = false;
yield return(TaskRunner.instance.RunInBackground(async(c) => {
Assert.IsFalse(MainThread.isMainThread);
await TaskV2.Delay(100);
backgroundTask1IsDone = true;
}).AsCoroutine());
Assert.IsTrue(backgroundTask1IsDone);
Assert.IsTrue(MainThread.isMainThread);
var backgroundTask2 = TaskRunner.instance.RunInBackground(async(c) => {
Assert.IsFalse(MainThread.isMainThread);
await TaskV2.Delay(100);
c.ThrowIfCancellationRequested();
return("some result");
});
yield return(backgroundTask2.AsCoroutine());
Assert.IsTrue(backgroundTask2.task.IsCompleted);
Assert.AreEqual("some result", backgroundTask2.task.Result);
Assert.IsTrue(timing.ElapsedMilliseconds > 200, "t=" + timing.ElapsedMilliseconds);
Log.MethodDone(timing);
}
public async Task TestThrottledDebounce2()
{
int counter = 0;
EventHandler <int> action = (_, myIntParam) => {
Log.d("myIntParam=" + myIntParam);
Interlocked.Increment(ref counter);
};
var throttledAction = action.AsThrottledDebounce(delayInMs: 5);
var tasks = new List <Task>();
for (int i = 0; i < 100; i++) // Do 100 calls of the method in parallel:
{
var myIntParam = i;
tasks.Add(TaskV2.Run(() => { throttledAction(this, myIntParam); }));
}
await Task.WhenAll(tasks.ToArray());
for (int i = 0; i < 20; i++)
{
await TaskV2.Delay(30);
if (counter >= 2)
{
break;
}
}
Assert.Equal(2, counter);
await TaskV2.Delay(100);
Assert.Equal(2, counter);
}
public IEnumerator TestTaskCancel1()
{
var timing = Log.MethodEntered("TestTaskCancel");
BackgroundTaskQueue queue = BackgroundTaskQueue.NewBackgroundTaskQueue(1);
var counter = 0;
var task1 = queue.Run(async(c) => {
Assert.IsFalse(MainThread.isMainThread);
for (int i = 0; i < int.MaxValue; i++)
{
await TaskV2.Delay(10);
counter++;
c.ThrowIfCancellationRequested();
}
});
yield return(new WaitForSeconds(0.2f));
queue.CancelAllOpenTasks();
yield return(task1.AsCoroutine(onError: e => {
Assert.True(e is AggregateException a1 && a1.InnerException is AggregateException a2 && a2.InnerException is TaskCanceledException);
}));
Assert.IsFalse(task1.IsCanceled); // It was already running so it faulted instead of being canceled
Assert.IsTrue(task1.IsFaulted);
Assert.IsTrue(counter > 10, "counter=" + counter);
Assert.IsTrue(counter < 50, "counter=" + counter);
Log.MethodDone(timing);
}
public void TestTemporaryContext1()
{
var IoC_inject = GetInjectorForTest();
Assert.Null(IoC_inject.Get <MyClass1>(this));
for (int i = 0; i < 100; i++)
{
TaskV2.Run(() => {
var myContextInstance1 = new MyClass1();
IoC_inject.DoWithTempContext <MyClass1>(myContextInstance1, () => {
Assert.Equal(myContextInstance1, IoC_inject.Get <MyClass1>(this));
});
// when the temporary context is gone requesting an injection returns null again:
Assert.Null(IoC_inject.Get <MyClass1>(this));
var myContextInstance2 = new MyClass1();
var testUser = new MyUserClass1();
IoC_inject.DoWithTempContext <MyClass1>(myContextInstance2, () => {
IoC_inject.DoWithTempContext <MyUserClass1>(testUser, () => {
Assert.Equal(myContextInstance2, IoC_inject.Get <MyClass1>(this));
Assert.Equal(testUser, IoC_inject.Get <MyUserClass1>(this));
});
});
// when the temporary context is gone requesting an injection returns null again:
Assert.Null(IoC_inject.Get <MyClass1>(this));
Assert.Null(IoC_inject.Get <MyUserClass1>(this));
});
}
}
public async Task ThrottledDebounceExample1()
{
int counter = 0;
Action action = () => { Interlocked.Increment(ref counter); };
// Make the action throttled / debounced:
action = action.AsThrottledDebounce(delayInMs: 50);
// Call it multiple times with less then 50ms between the calls:
action(); // The first call will always be passed through
action(); // This one will be delayed and never called because its canceled by the next call:
action(); // This one will be delayed and never called because its canceled by the next call:
action(); // This will be delayed for 50ms and then triggered because no additional call follows after it
// Wait a little bit until the action was triggered at least 2 times:
for (int i = 0; i < 100; i++)
{
await TaskV2.Delay(200);
if (counter >= 2)
{
break;
}
}
Assert.Equal(2, counter);
}
public async Task TestEventListeners()
{
using (ProgressV2 progress = new ProgressV2("p3", 200)) {
var progressEventTriggered = false;
progress.ProgressChanged += (o, newValue) => {
Log.e(JsonWriter.AsPrettyString(o));
Assert.Equal(100, newValue);
progressEventTriggered = true;
};
await TaskV2.Run(() => {
((IProgress <double>)progress).Report(100);
Assert.False(progressEventTriggered);
Assert.Equal(100, progress.GetCount());
Assert.Equal(50, progress.percent);
});
Assert.Equal(100, progress.GetCount());
Assert.Equal(50, progress.percent);
// The progress callback is dispatched using the SynchronizationContext
// of the constructor, so it will have some delay before being called:
Assert.False(progressEventTriggered);
await TaskV2.Delay(50); // Wait for progress update to be invoked
Assert.True(progressEventTriggered);
}
}
public static async Task SimulateManyChangesInModel(DataStore <CellsModel> store, int nrOfChanges = 100)
{
var t = Log.MethodEnteredWith("nrOfChanges=" + nrOfChanges);
var random = new Random();
var ops = new string[] { "+", "-", "*", "/" };
var progress = ProgressUi.NewProgress(nrOfChanges);
for (int i = 0; i < nrOfChanges; i++)
{
progress.IncrementCount();
try {
int column = random.Next(1, 26 * 2);
int row = random.Next(1, 26 * 2);
string rndFormula = RndVar(random, store) + random.NextRndChild(ops) + RndVar(random, store);
store.Dispatch(new MyActions.SetCell(CellPos.ToColumnName(column), row, rndFormula));
}
catch (Exception e) { Log.e(e); }
if (i % 10 == 0)
{
await TaskV2.Delay(20);
} // Every few mutations wait to let the UI catch UI
}
progress.SetComplete();
Log.MethodDone(t);
}
private static Task ConfirmButtonClicked(GameObject targetView, string confirmButtonId)
{
return(targetView.GetLinkMap().Get <Button>(confirmButtonId).SetOnClickAction(async delegate {
Toast.Show("Saving..");
await TaskV2.Delay(500); // Wait for potential pending throttled actions to update the model
}));
}
private async Task SomeAsyncTask1(CancellationToken cancelRequest)
{
var t = Log.MethodEntered();
await TaskV2.Delay(500);
Log.MethodDone(t);
}
public async Task TestThrottledDebounce5()
{
int counter = 0;
int delayInMs = 200;
Func <object, Task> originalFunction = async(object param) => {
Assert.Equal("good", param);
counter++;
await TaskV2.Delay(delayInMs * 4);
};
var wrappedFunc = originalFunction.AsThrottledDebounce(10, skipFirstEvent: true);
{
var t = Stopwatch.StartNew();
var task = wrappedFunc("good");
Assert.Equal(0, counter);
await task;
Assert.Equal(1, counter);
Assert.True(t.ElapsedMilliseconds > delayInMs * 2, "ElapsedMilliseconds=" + t.ElapsedMilliseconds);
}
{
var b = wrappedFunc("bad");
wrappedFunc("bad");
var t = wrappedFunc("good");
Assert.Equal(1, counter);
await TaskV2.Delay(delayInMs);
Assert.Equal(2, counter);
Assert.False(t.IsCompleted);
await t;
Assert.True(b.IsCompleted);
Assert.False(b.IsCompletedSuccessfull());
Assert.False(b.IsCompletedSuccessfully);
}
}
public async Task DownloadTest4_LoadOnlyImageInfo()
{
var pixels = 4500; // 5k x 5k is the max that picsum will serve
var h = pixels;
var w = pixels;
var timingForFullImage = Log.MethodEntered("Load full image");
var fullImage = await new Uri("https://picsum.photos/" + w + "/" + h).SendGET().GetResult <Stream>();
var info2 = await ImageLoader.GetImageInfoFrom(fullImage);
fullImage.Dispose();
Assert.Equal(h, info2.Height);
Assert.Equal(w, info2.Width);
Log.MethodDone(timingForFullImage);
// Wait some time before sending the next request to the picsum server to not get rejected:
await TaskV2.Delay(1000);
var timingForImageInfoOny = Log.MethodEntered("Load only first bytes");
var stream = await new Uri("https://picsum.photos/" + w + "/" + h).SendGET().GetResult <Stream>();
var firstBytes = await CopyFirstBytes(stream, bytesToCopy : 2000);
stream.Dispose();
var info = await ImageLoader.GetImageInfoFrom(firstBytes);
firstBytes.Dispose();
Assert.Equal(w, info.Width);
Assert.Equal(h, info.Height);
Log.MethodDone(timingForImageInfoOny);
var xTimesFaster = 2; // Loading only the image info should be at least this factor faster then loading the full image
string e = timingForImageInfoOny + " was not faster then " + timingForFullImage;
Assert.True(timingForImageInfoOny.ElapsedMilliseconds * xTimesFaster < timingForFullImage.ElapsedMilliseconds, e);
}
public async Task TestThrottledDebounce6()
{
int counter = 0;
Func <Task> originalFunction = () => {
counter++;
throw new NotImplementedException();
};
var wrappedFunc = originalFunction.AsThrottledDebounce(10);
{
Assert.Equal(0, counter);
var t = wrappedFunc();
Assert.Equal(1, counter);
Assert.True(t.IsFaulted);
await Assert.ThrowsAsync <NotImplementedException>(() => t);
}
{
Assert.Equal(1, counter);
wrappedFunc();
var t = wrappedFunc();
Assert.Equal(1, counter);
Assert.False(t.IsFaulted);
await TaskV2.Delay(50);
Assert.Equal(2, counter);
Assert.True(t.IsFaulted);
await Assert.ThrowsAsync <NotImplementedException>(() => t);
}
}
private async Task WaitForRequestToFinish()
{
while (!request.isDone && !request.isHttpError && !request.isNetworkError)
{
await TaskV2.Delay(10);
}
}
public async Task ThrottledDebounceExample2()
{
int counter = 0;
bool allWereGood = true;
Action <string> action = (myStringParam) => {
// Make sure the action is never called with "bad" being passed:
if (myStringParam != "good")
{
allWereGood = false;
}
Interlocked.Increment(ref counter);
};
// Make the action throttled / debounced:
action = action.AsThrottledDebounce(delayInMs: 50);
// Call it multiple times with less then 50ms between the calls:
action("good"); // The first call will always be passed through
action("bad"); // This one will be delayed and not called because of the next:
action("good"); // This will be delayed for 50ms and then triggered because no additional call follows after it
// Wait a little bit until the action was triggered at least 2 times:
for (int i = 0; i < 50; i++)
{
await TaskV2.Delay(200);
if (counter >= 2)
{
break;
}
}
Assert.Equal(2, counter);
Assert.True(allWereGood);
}
public IEnumerator TestTaskCancel()
{
var timing = Log.MethodEntered("TestTaskCancel");
var counter = 0;
var task1 = TaskRunner.instance.RunInBackground(async(c) => {
Assert.IsFalse(MainThread.isMainThread);
for (int i = 0; i < int.MaxValue; i++)
{
await TaskV2.Delay(10);
counter++;
c.ThrowIfCancellationRequested();
}
});
yield return(new WaitForSeconds(0.2f));
task1.cancelTask();
yield return(task1.AsCoroutine());
Assert.IsTrue(task1.task.IsCanceled);
Assert.IsTrue(counter > 10, "counter=" + counter);
Assert.IsTrue(counter < 50, "counter=" + counter);
Log.MethodDone(timing);
}
public async Task TestOnError()
{
{
var errorHandled = false;
await SomeAsyncFailingTask1().OnError(async _ => {
await TaskV2.Delay(5);
errorHandled = true; // error can be rethrown here
});
Assert.True(errorHandled);
}
{
var errorHandled = false;
var result = await SomeAsyncFailingTask2().OnError(async _ => {
await TaskV2.Delay(5);
errorHandled = true;
return("handled");
});
Assert.Equal("handled", result);
Assert.True(errorHandled);
}
{ // The error can be rethrown in OnError handler after reacting to it:
await Assert.ThrowsAsync <AggregateException>(async() => {
await SomeAsyncFailingTask1().OnError(async error => {
await TaskV2.Delay(5);
throw error;
});
});
}
}
private static async Task TestAsyncActions(IDataStore <MyAppState1> store)
{
var t = Log.MethodEntered("TestAsyncActions");
Assert.Null(store.GetState().currentWeather);
// Create an async action and dispatch it so that it is executed by the thunk middleware:
var a = store.Dispatch(NewAsyncGetWeatherAction());
Assert.True(a is Task, "a=" + a.GetType());
if (a is Task delayedTask)
{
await delayedTask;
}
Assert.NotEmpty(store.GetState().currentWeather);
store.Dispatch(new ActionLogoutUser());
Assert.Null(store.GetState().user);
// Another asyn task example with an inline lambda function:
Func <Task> asyncLoginTask = async() => {
await TaskV2.Delay(100); // Simulate that the login would talk to a server and take some time
// Here the user would be logged into the server and returned to the client to store it:
store.Dispatch(new ActionLoginUser()
{
newLoggedInUser = new MyUser1("Karl")
});
};
// Since the async action uses Func<Task> the returned object can be awaited on:
await(store.Dispatch(asyncLoginTask) as Task);
Assert.NotNull(store.GetState().user);
Log.MethodDone(t);
}
public async Task ExampleUsage1()
{
Log.d("Now testing TaskV2.Run");
await TaskV2.Run(() => {
var t = Log.MethodEntered("1");
TaskV2.Delay(100).ContinueWithSameContext(delegate {
Log.MethodDone(t);
});
});
Log.d("Now testing async TaskV2.Run");
await TaskV2.Run(async() => {
var t = Log.MethodEntered("2");
await TaskV2.Delay(100);
Log.MethodDone(t);
});
Log.d("Now testing async TaskV2.Run with return value");
var result = await TaskV2.Run(async() => {
var t = Log.MethodEntered("3");
await TaskV2.Delay(100);
Log.MethodDone(t);
return("3");
});
Assert.Equal("3", result);
}
public async Task <HttpResponseMessage> SendAsync(HttpMethod method)
{
HttpClientHandler handler = new HttpClientHandler()
{
AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate
};
AddAllCookiesToRequest(handler);
client = new HttpClient(handler);
await TaskV2.Delay(5); // Wait so that the created RestRequest can be modified before its sent
httpMethod = "" + method;
client.AddRequestHeaders(requestHeaders);
var message = new HttpRequestMessage(method, uri);
if (httpContent != null)
{
message.Content = httpContent;
}
if (OnBeforeSend != null)
{
await OnBeforeSend(client, message);
}
request = client.SendAsync(message, sendAsyncCompletedAfter);
var result = await request;
var serverUtcDate = result.Headers.Date;
if (serverUtcDate != null)
{
EventBus.instance.Publish(DateTimeV2.SERVER_UTC_DATE, uri, serverUtcDate.Value.DateTime);
}
return(result);
}
private async Task SomeAsyncTask1()
{
var t = Log.MethodEntered();
await TaskV2.Delay(500);
Log.MethodDone(t);
}
private async Task RunWaitForNoVisualChangeInSceneTest()
{
AssertVisually assertVisually = NewAssertVisuallyInstance("Ui19_RunVisualRegression_ExampleUsage3");
Task visualChangeMonitorTask = assertVisually.WaitForNoVisualChangeInScene();
AssertV2.IsFalse(visualChangeMonitorTask.IsCompleted, "visualChangeMonitorTask.IsCompleted");
gameObject.AddChild(await NewUiFor <MyUserModelv1>()); // Change the UI
await TaskV2.Delay(200); // After 200 ms the monitorTask should still be checking:
AssertV2.IsFalse(visualChangeMonitorTask.IsCompleted, "visualChangeMonitorTask.IsCompleted");
gameObject.AddChild(await NewUiFor <MyUserModelv2>()); // Change the UI again
await TaskV2.Delay(200); // After 200 ms the monitorTask should still be checking:
AssertV2.IsFalse(visualChangeMonitorTask.IsCompleted, "visualChangeMonitorTask.IsCompleted");
gameObject.AddChild(await NewUiFor <MyUserModelv1>()); // Change the UI again
await TaskV2.Delay(200); // After 200 ms the monitorTask should still be checking:
AssertV2.IsFalse(visualChangeMonitorTask.IsCompleted, "visualChangeMonitorTask.IsCompleted");
await TaskV2.Delay(2000); // Dont change the UI for 2 sec
// Now the change monitor task should have completed since the sceen did not change for 2 sec:
AssertV2.IsTrue(visualChangeMonitorTask.IsCompleted, "visualChangeMonitorTask.IsCompleted");
await visualChangeMonitorTask; // await the task in case there was an exception
}
public async Task TestRunRepeated1() // Aligned with the coroutine test TestExecuteRepeated1
{
var counter = 0;
var cancel = new CancellationTokenSource();
{
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
TaskV2.RunRepeated(async() => {
await TaskV2.Delay(1);
counter++;
return(counter < 3); // stop repeated execution once 3 is reached
}, delayInMsBetweenIterations: 300, cancelToken: cancel.Token, delayInMsBeforeFirstExecution: 200);
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
}
{ // while the repeated task is running check over time if the counter increases:
await TaskV2.Delay(100);
Assert.Equal(0, counter);
await TaskV2.Delay(200);
Assert.Equal(1, counter);
await TaskV2.Delay(300);
Assert.Equal(2, counter);
await TaskV2.Delay(300);
Assert.Equal(3, counter);
await TaskV2.Delay(300);
Assert.Equal(3, counter);
}
cancel.Cancel();
}
public async Task TestDefaultAppFlowImplementation()
{
var tracker = new MyAppFlowTracker2(new InMemoryKeyValueStore().GetTypeAdapter <AppFlowEvent>());
AppFlow.AddAppFlowTracker(tracker);
Log.MethodEntered(); // This will internally notify the AppFlow instance
Assert.NotEmpty(await tracker.store.GetAllKeys());
var s = StopwatchV2.StartNewV2();
for (int i = 0; i < 20; i++)
{
await TaskV2.Delay(500);
if ((await tracker.store.GetAllKeys()).Count() == 0)
{
break;
}
}
Assert.True(s.ElapsedMilliseconds < 5000, "s.ElapsedMilliseconds=" + s.ElapsedMilliseconds);
Assert.Empty(await tracker.store.GetAllKeys());
// Make sure the DefaultAppFlowImpl itself does not create more events while sending the existing ones:
for (int i = 0; i < 10; i++)
{
await TaskV2.Delay(100);
var c1 = tracker.eventsThatWereSent.Count;
await TaskV2.Delay(100);
var c2 = tracker.eventsThatWereSent.Count;
Assert.Equal(c1, c2);
}
}
public async Task TestThrottledDebounce5()
{
int delayInMs = 200;
Func <object, Task> originalFunction = async(object sender) => {
Assert.Equal("good", sender);
await TaskV2.Delay(delayInMs * 4);
};
var wrappedFunc = originalFunction.AsThrottledDebounce(10);
var t = Stopwatch.StartNew();
var task = wrappedFunc("good");
await TaskV2.Delay(delayInMs);
Assert.Null(wrappedFunc("bad"));
Assert.Null(wrappedFunc("bad"));
Assert.Null(wrappedFunc("bad"));
await task;
await TaskV2.Delay(delayInMs);
task = wrappedFunc("good");
Assert.NotNull(task);
Assert.Null(wrappedFunc("bad"));
Assert.Null(wrappedFunc("bad"));
Assert.Null(wrappedFunc("bad"));
await task;
Assert.True(t.ElapsedMilliseconds > 200, "ElapsedMilliseconds=" + t.ElapsedMilliseconds);
}
protected override async Task <bool> SendEventToExternalSystem(AppFlowEvent appFlowEvent)
{
Log.d("SendEventToExternalSystem called with appFlowEvent=" + JsonWriter.AsPrettyString(appFlowEvent));
await TaskV2.Delay(10); // Simulate that sending the event to an analytics server takes time
eventsThatWereSent.Add(appFlowEvent);
return(true);
}