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Code Issues Releases Wiki Activity

Fix occasional failure in realm test proceedings due to incorrect Debug.Assert

Browse Source 
After a `BlockAllOperations`, the restoration of the `updateRealm`
instance is not instance. It is posted to a `SynchronizationContext`.
The assertion which has been removed in this commit was assuming it
would always be an immediate operation.

To ensure this works as expected, I've tracked the initialised state via
a new `bool`.

```csharp
System.TimeoutException : Attempting to block for migration took too long.

  1) Host threw exception System.AggregateException: One or more errors occurred. (: )
 ---> NUnit.Framework.AssertionException: :
   at osu.Framework.Logging.ThrowingTraceListener.Fail(String message1, String message2)
   at System.Diagnostics.TraceInternal.Fail(String message, String detailMessage)
   at System.Diagnostics.TraceInternal.TraceProvider.Fail(String message, String detailMessage)
   at System.Diagnostics.Debug.Fail(String message, String detailMessage)
   at osu.Game.Database.RealmAccess.BlockAllOperations() in /opt/buildagent/work/ecd860037212ac52/osu.Game/Database/RealmAccess.cs:line 813
   at osu.Game.OsuGameBase.<>c__DisplayClass108_1.<Migrate>b__0() in /opt/buildagent/work/ecd860037212ac52/osu.Game/OsuGameBase.cs:line 449
   at osu.Framework.Threading.ScheduledDelegate.RunTaskInternal()
   at osu.Framework.Threading.Scheduler.Update()
   at osu.Framework.Graphics.Drawable.UpdateSubTree()
   at osu.Framework.Graphics.Containers.CompositeDrawable.UpdateSubTree()
```

https://teamcity.ppy.sh/buildConfiguration/Osu_Build/322?hideProblemsFromDependencies=false&hideTestsFromDependencies=false&expandBuildTestsSection=true
This commit is contained in:
Dean Herbert 2022-06-27 17:59:40 +09:00
parent 7ae222d984
commit f6a61472c4
1 changed files with 11 additions and 10 deletions
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21
osu.Game/Database/RealmAccess.cs
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@ -102,6 +102,12 @@ namespace osu.Game.Database
private Realm? updateRealm;
/// <summary>
/// Tracks whether a realm was ever fetched from this instance.
/// After a fetch occurs, blocking operations will be guaranteed to restore any subscriptions.
/// </summary>
private bool hasInitialisedOnce;
private bool isSendingNotificationResetEvents;
public Realm Realm => ensureUpdateRealm();
@ -121,6 +127,7 @@ namespace osu.Game.Database
if (updateRealm == null)
{
updateRealm = getRealmInstance();
hasInitialisedOnce = true;
Logger.Log(@$"Opened realm ""{updateRealm.Config.DatabasePath}"" at version {updateRealm.Config.SchemaVersion}");
@ -806,13 +813,7 @@ namespace osu.Game.Database
lock (realmLock)
{
if (updateRealm == null)
{
// null realm means the update thread has not yet retrieved its instance.
// we don't need to worry about reviving the update instance in this case, so don't bother with the SynchronizationContext.
Debug.Assert(!ThreadSafety.IsUpdateThread);
}
else
if (hasInitialisedOnce)
{
if (!ThreadSafety.IsUpdateThread)
throw new InvalidOperationException(@$"{nameof(BlockAllOperations)} must be called from the update thread.");
@ -827,12 +828,12 @@ namespace osu.Game.Database
action.Value?.Dispose();
customSubscriptionsResetMap[action.Key] = null;
}
updateRealm?.Dispose();
updateRealm = null;
}
Logger.Log(@"Blocking realm operations.", LoggingTarget.Database);
updateRealm?.Dispose();
updateRealm = null;
}
const int sleep_length = 200;