Split out common logic for tournament game host tests

osu.Game.Tournament.Tests/NonVisual/TournamentHostTest.cs

@@ -0,0 +1,33 @@
+// 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.Threading;
+using System.Threading.Tasks;
+using NUnit.Framework;
+using osu.Framework.Platform;
+
+namespace osu.Game.Tournament.Tests.NonVisual
+{
+    public abstract class TournamentHostTest
+    {
+        public static TournamentGameBase LoadTournament(GameHost host, TournamentGameBase tournament = null)
+        {
+            tournament ??= new TournamentGameBase();
+            Task.Run(() => host.Run(tournament))
+                .ContinueWith(t => Assert.Fail($"Host threw exception {t.Exception}"), TaskContinuationOptions.OnlyOnFaulted);
+            WaitForOrAssert(() => tournament.IsLoaded, @"osu! failed to start in a reasonable amount of time");
+            return tournament;
+        }
+
+        public static void WaitForOrAssert(Func<bool> result, string failureMessage, int timeout = 90000)
+        {
+            Task task = Task.Run(() =>
+            {
+                while (!result()) Thread.Sleep(200);
+            });
+
+            Assert.IsTrue(task.Wait(timeout), failureMessage);
+        }
+    }
+}