public void TracksEventWhenAppResumed()
{
var backgroundService = new BackgroundService(TimeService, AnalyticsService, UpdateRemoteConfigCacheService);
backgroundService.EnterBackground();
backgroundService.EnterForeground();
AnalyticsService.Received().AppDidEnterForeground.Track();
}
public void DoesNotEmitAnythingWhenTheEnterForegroundIsCalledMultipleTimes()
{
bool emitted = false;
var backgroundService = new BackgroundService(TimeService, AnalyticsService, UpdateRemoteConfigCacheService);
TimeService.CurrentDateTime.Returns(now);
backgroundService.EnterBackground();
TimeService.CurrentDateTime.Returns(now.AddMinutes(1));
backgroundService.EnterForeground();
TimeService.CurrentDateTime.Returns(now.AddMinutes(2));
backgroundService
.AppResumedFromBackground
.Subscribe(_ => emitted = true);
backgroundService.EnterForeground();
emitted.Should().BeFalse();
}
public void DoesNotEmitAnythingWhenItHasNotEnterBackgroundFirst()
{
bool emitted = false;
var backgroundService = new BackgroundService(TimeService, AnalyticsService, UpdateRemoteConfigCacheService);
backgroundService
.AppResumedFromBackground
.Subscribe(_ => emitted = true);
backgroundService.EnterForeground();
emitted.Should().BeFalse();
}
public void EmitsValueWhenEnteringForegroundAfterBeingInBackground()
{
bool emitted = false;
var backgroundService = new BackgroundService(TimeService, AnalyticsService, UpdateRemoteConfigCacheService);
TimeService.CurrentDateTime.Returns(now);
backgroundService
.AppResumedFromBackground
.Subscribe(_ => emitted = true);
backgroundService.EnterBackground();
backgroundService.EnterForeground();
emitted.Should().BeTrue();
}
public async Task DoesNotTriggerRemoteConfigUpdateWhenRemoteConfigDataDoesNotNeedToBeUpdated()
{
var updateRemoteConfigCacheService = Substitute.For <IUpdateRemoteConfigCacheService>();
updateRemoteConfigCacheService.NeedsToUpdateStoredRemoteConfigData().Returns(false);
var backgroundService = new BackgroundService(TimeService, AnalyticsService, updateRemoteConfigCacheService);
backgroundService.EnterForeground();
// This delay is make sure FetchAndStoreRemoteConfigData has time to execute, since it's called inside a
// fire and forget TaskTask.Run(() => {}).ConfigureAwait(false))
await Task.Delay(1);
updateRemoteConfigCacheService.DidNotReceive().FetchAndStoreRemoteConfigData();
}
public void EmitsAValueWhenEnteringForegroundAfterBeingInBackgroundForMoreThanTheLimit(NonNegativeInt waitingTime)
{
TimeSpan?resumedAfter = null;
var backgroundService = new BackgroundService(TimeService, AnalyticsService, UpdateRemoteConfigCacheService);
backgroundService
.AppResumedFromBackground
.Subscribe(timeInBackground => resumedAfter = timeInBackground);
TimeService.CurrentDateTime.Returns(now);
backgroundService.EnterBackground();
TimeService.CurrentDateTime.Returns(now.AddMinutes(waitingTime.Get).AddSeconds(1));
backgroundService.EnterForeground();
resumedAfter.Should().NotBeNull();
resumedAfter.Should().BeGreaterThan(TimeSpan.FromMinutes(waitingTime.Get));
}