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Code Issues Releases Wiki Activity

Add failing test coverage of realm blocking behaviour

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This commit is contained in:
Dean Herbert 2021-09-30 23:59:26 +09:00
parent 9fa901f6aa
commit 9c0abae2b0
3 changed files with 135 additions and 0 deletions
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64
osu.Game.Tests/Database/GeneralUsageTests.cs Normal file
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using System;
using System.Threading;
using System.Threading.Tasks;
using NUnit.Framework;
#nullable enable
namespace osu.Game.Tests.Database
{
[TestFixture]
public class GeneralUsageTests : RealmTest
{
/// <summary>
/// Just test the construction of a new database works.
/// </summary>
[Test]
public void TestConstructRealm()
{
RunTestWithRealm((realmFactory, _) => { realmFactory.CreateContext().Refresh(); });
}
[Test]
public void TestBlockOperations()
{
RunTestWithRealm((realmFactory, _) =>
{
using (realmFactory.BlockAllOperations())
{
}
});
}
[Test]
public void TestBlockOperationsWithContention()
{
RunTestWithRealm((realmFactory, _) =>
{
ManualResetEventSlim stopThreadedUsage = new ManualResetEventSlim();
ManualResetEventSlim hasThreadedUsage = new ManualResetEventSlim();
Task.Factory.StartNew(() =>
{
using (realmFactory.CreateContext())
{
hasThreadedUsage.Set();
stopThreadedUsage.Wait();
}
}, TaskCreationOptions.LongRunning | TaskCreationOptions.HideScheduler);
hasThreadedUsage.Wait();
Assert.Throws<TimeoutException>(() =>
{
using (realmFactory.BlockAllOperations())
{
}
});
stopThreadedUsage.Set();
});
}
}
}

70
osu.Game.Tests/Database/RealmTest.cs Normal file
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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Runtime.CompilerServices;
using System.Threading.Tasks;
using Nito.AsyncEx;
using NUnit.Framework;
using osu.Framework.Logging;
using osu.Framework.Platform;
using osu.Framework.Testing;
using osu.Game.Database;
#nullable enable
namespace osu.Game.Tests.Database
{
[TestFixture]
public abstract class RealmTest
{
private static readonly TemporaryNativeStorage storage;
static RealmTest()
{
storage = new TemporaryNativeStorage("realm-test");
storage.DeleteDirectory(string.Empty);
}
protected void RunTestWithRealm(Action<RealmContextFactory, Storage> testAction, [CallerMemberName] string caller = "")
{
AsyncContext.Run(() =>
{
var testStorage = storage.GetStorageForDirectory(caller);
using (var realmFactory = new RealmContextFactory(testStorage, caller))
{
Logger.Log($"Running test using realm file {testStorage.GetFullPath(realmFactory.Filename)}");
testAction(realmFactory, testStorage);
realmFactory.Dispose();
Logger.Log($"Final database size: {testStorage.GetStream(realmFactory.Filename)?.Length ?? 0}");
realmFactory.Compact();
Logger.Log($"Final database size after compact: {testStorage.GetStream(realmFactory.Filename)?.Length ?? 0}");
}
});
}
protected void RunTestWithRealmAsync(Func<RealmContextFactory, Storage, Task> testAction, [CallerMemberName] string caller = "")
{
AsyncContext.Run(async () =>
{
var testStorage = storage.GetStorageForDirectory(caller);
using (var realmFactory = new RealmContextFactory(testStorage, caller))
{
Logger.Log($"Running test using realm file {testStorage.GetFullPath(realmFactory.Filename)}");
await testAction(realmFactory, testStorage);
realmFactory.Dispose();
Logger.Log($"Final database size: {testStorage.GetStream(realmFactory.Filename)?.Length ?? 0}");
realmFactory.Compact();
Logger.Log($"Final database size after compact: {testStorage.GetStream(realmFactory.Filename)?.Length ?? 0}");
}
});
}
}
}

1
osu.Game.Tests/osu.Game.Tests.csproj
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<PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
<PackageReference Include="DeepEqual" Version="2.0.0" />
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
<PackageReference Include="Nito.AsyncEx" Version="5.1.2" />
<PackageReference Include="NUnit" Version="3.13.2" />
<PackageReference Include="NUnit3TestAdapter" Version="4.0.0" />
<PackageReference Update="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4" />