Add basic test coverage of DrawableLoungeRoom

osu.Game.Tests/Visual/Multiplayer/TestSceneDrawableLoungeRoom.cs

@@ -0,0 +1,72 @@
+// 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 Moq;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Cursor;
+using osu.Framework.Testing;
+using osu.Game.Online.Rooms;
+using osu.Game.Overlays;
+using osu.Game.Screens.OnlinePlay.Lounge;
+
+namespace osu.Game.Tests.Visual.Multiplayer
+{
+    public class TestSceneDrawableLoungeRoom : OsuTestScene
+    {
+        private readonly Room room = new Room
+        {
+            HasPassword = { Value = true }
+        };
+
+        [Cached]
+        protected readonly OverlayColourProvider ColourProvider = new OverlayColourProvider(OverlayColourScheme.Pink);
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            var mockLounge = new Mock<LoungeSubScreen>();
+            mockLounge
+                .Setup(l => l.Join(It.IsAny<Room>(), It.IsAny<string>(), It.IsAny<Action<Room>>(), It.IsAny<Action<string>>()))
+                .Callback<Room, string, Action<Room>, Action<string>>((a, b, c, d) =>
+                {
+                    Task.Run(() =>
+                    {
+                        Thread.Sleep(500);
+                        Schedule(() => d?.Invoke("Incorrect password"));
+                    });
+                });
+
+            Dependencies.CacheAs(mockLounge.Object);
+        }
+
+        [SetUpSteps]
+        public void SetUpSteps()
+        {
+            AddStep("create drawable", () =>
+            {
+                Child = new PopoverContainer
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Children = new Drawable[]
+                    {
+                        new DrawableLoungeRoom(room)
+                        {
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre,
+                        }
+                    }
+                };
+            });
+        }
+
+        [Test]
+        public void TestFocus()
+        {
+        }
+    }
+}

osu.Game/Screens/OnlinePlay/Lounge/LoungeSubScreen.cs

@@ -290,7 +290,7 @@ namespace osu.Game.Screens.OnlinePlay.Lounge
             popoverContainer.HidePopover();
         }
 
-        public void Join(Room room, string password, Action<Room> onSuccess = null, Action<string> onFailure = null) => Schedule(() =>
+        public virtual void Join(Room room, string password, Action<Room> onSuccess = null, Action<string> onFailure = null) => Schedule(() =>
         {
             if (joiningRoomOperation != null)
                 return;