Add test coverage

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

@@ -0,0 +1,60 @@
+// 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 osu.Framework.Allocation;
+using osu.Game.Beatmaps;
+using osu.Game.Online.Multiplayer;
+using osu.Game.Rulesets;
+using osu.Game.Screens.Multi;
+using osu.Game.Users;
+
+namespace osu.Game.Tests.Visual.Multiplayer
+{
+    public class RoomManagerTestScene : MultiplayerTestScene
+    {
+        [Cached(Type = typeof(IRoomManager))]
+        protected TestRoomManager RoomManager { get; } = new TestRoomManager();
+
+        public override void SetUpSteps()
+        {
+            base.SetUpSteps();
+
+            AddStep("clear rooms", () => RoomManager.Rooms.Clear());
+        }
+
+        protected void AddRooms(int count, RulesetInfo ruleset = null)
+        {
+            AddStep("add rooms", () =>
+            {
+                for (int i = 0; i < count; i++)
+                {
+                    var room = new Room
+                    {
+                        RoomID = { Value = i },
+                        Name = { Value = $"Room {i}" },
+                        Host = { Value = new User { Username = "Host" } },
+                        EndDate = { Value = DateTimeOffset.Now + TimeSpan.FromSeconds(10) }
+                    };
+
+                    if (ruleset != null)
+                    {
+                        room.Playlist.Add(new PlaylistItem
+                        {
+                            Ruleset = { Value = ruleset },
+                            Beatmap =
+                            {
+                                Value = new BeatmapInfo
+                                {
+                                    Metadata = new BeatmapMetadata()
+                                }
+                            }
+                        });
+                    }
+
+                    RoomManager.Rooms.Add(room);
+                }
+            });
+        }
+    }
+}

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

@@ -0,0 +1,35 @@
+// 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 osu.Framework.Bindables;
+using osu.Game.Online.Multiplayer;
+using osu.Game.Screens.Multi;
+
+namespace osu.Game.Tests.Visual.Multiplayer
+{
+    public class TestRoomManager : IRoomManager
+    {
+        public event Action RoomsUpdated
+        {
+            add { }
+            remove { }
+        }
+
+        public readonly BindableList<Room> Rooms = new BindableList<Room>();
+
+        public Bindable<bool> InitialRoomsReceived { get; } = new Bindable<bool>(true);
+
+        IBindableList<Room> IRoomManager.Rooms => Rooms;
+
+        public void CreateRoom(Room room, Action<Room> onSuccess = null, Action<string> onError = null) => Rooms.Add(room);
+
+        public void JoinRoom(Room room, Action<Room> onSuccess = null, Action<string> onError = null)
+        {
+        }
+
+        public void PartRoom()
+        {
+        }
+    }
+}

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

@@ -1,30 +1,21 @@
 // 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.Linq;
 using NUnit.Framework;
 using osu.Framework.Allocation;
-using osu.Framework.Bindables;
 using osu.Framework.Graphics;
-using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Online.Multiplayer;
-using osu.Game.Rulesets;
 using osu.Game.Rulesets.Catch;
 using osu.Game.Rulesets.Osu;
-using osu.Game.Screens.Multi;
 using osu.Game.Screens.Multi.Lounge.Components;
-using osu.Game.Users;
 using osuTK.Graphics;
 
 namespace osu.Game.Tests.Visual.Multiplayer
 {
-    public class TestSceneLoungeRoomsContainer : MultiplayerTestScene
+    public class TestSceneLoungeRoomsContainer : RoomManagerTestScene
     {
-        [Cached(Type = typeof(IRoomManager))]
-        private TestRoomManager roomManager = new TestRoomManager();
-
         private RoomsContainer container;
 
         [BackgroundDependencyLoader]
@@ -39,34 +30,27 @@ namespace osu.Game.Tests.Visual.Multiplayer
             };
         }
 
-        public override void SetUpSteps()
-        {
-            base.SetUpSteps();
-
-            AddStep("clear rooms", () => roomManager.Rooms.Clear());
-        }
-
         [Test]
         public void TestBasicListChanges()
         {
-            addRooms(3);
+            AddRooms(3);
 
             AddAssert("has 3 rooms", () => container.Rooms.Count == 3);
-            AddStep("remove first room", () => roomManager.Rooms.Remove(roomManager.Rooms.FirstOrDefault()));
+            AddStep("remove first room", () => RoomManager.Rooms.Remove(RoomManager.Rooms.FirstOrDefault()));
             AddAssert("has 2 rooms", () => container.Rooms.Count == 2);
             AddAssert("first room removed", () => container.Rooms.All(r => r.Room.RoomID.Value != 0));
 
             AddStep("select first room", () => container.Rooms.First().Action?.Invoke());
-            AddAssert("first room selected", () => Room == roomManager.Rooms.First());
+            AddAssert("first room selected", () => Room == RoomManager.Rooms.First());
 
             AddStep("join first room", () => container.Rooms.First().Action?.Invoke());
-            AddAssert("first room joined", () => roomManager.Rooms.First().Status.Value is JoinedRoomStatus);
+            AddAssert("first room joined", () => RoomManager.Rooms.First().Status.Value is JoinedRoomStatus);
         }
 
         [Test]
         public void TestStringFiltering()
         {
-            addRooms(4);
+            AddRooms(4);
 
             AddUntilStep("4 rooms visible", () => container.Rooms.Count(r => r.IsPresent) == 4);
 
@@ -82,8 +66,8 @@ namespace osu.Game.Tests.Visual.Multiplayer
         [Test]
         public void TestRulesetFiltering()
         {
-            addRooms(2, new OsuRuleset().RulesetInfo);
+            AddRooms(2, new OsuRuleset().RulesetInfo);
-            addRooms(3, new CatchRuleset().RulesetInfo);
+            AddRooms(3, new CatchRuleset().RulesetInfo);
 
             AddUntilStep("5 rooms visible", () => container.Rooms.Count(r => r.IsPresent) == 5);
 
@@ -96,67 +80,8 @@ namespace osu.Game.Tests.Visual.Multiplayer
             AddUntilStep("3 rooms visible", () => container.Rooms.Count(r => r.IsPresent) == 3);
         }
 
-        private void addRooms(int count, RulesetInfo ruleset = null)
-        {
-            AddStep("add rooms", () =>
-            {
-                for (int i = 0; i < count; i++)
-                {
-                    var room = new Room
-                    {
-                        RoomID = { Value = i },
-                        Name = { Value = $"Room {i}" },
-                        Host = { Value = new User { Username = "Host" } },
-                        EndDate = { Value = DateTimeOffset.Now + TimeSpan.FromSeconds(10) }
-                    };
-
-                    if (ruleset != null)
-                    {
-                        room.Playlist.Add(new PlaylistItem
-                        {
-                            Ruleset = { Value = ruleset },
-                            Beatmap =
-                            {
-                                Value = new BeatmapInfo
-                                {
-                                    Metadata = new BeatmapMetadata()
-                                }
-                            }
-                        });
-                    }
-
-                    roomManager.Rooms.Add(room);
-                }
-            });
-        }
-
         private void joinRequested(Room room) => room.Status.Value = new JoinedRoomStatus();
 
-        private class TestRoomManager : IRoomManager
-        {
-            public event Action RoomsUpdated
-            {
-                add { }
-                remove { }
-            }
-
-            public readonly BindableList<Room> Rooms = new BindableList<Room>();
-
-            public Bindable<bool> InitialRoomsReceived { get; } = new Bindable<bool>(true);
-
-            IBindableList<Room> IRoomManager.Rooms => Rooms;
-
-            public void CreateRoom(Room room, Action<Room> onSuccess = null, Action<string> onError = null) => Rooms.Add(room);
-
-            public void JoinRoom(Room room, Action<Room> onSuccess = null, Action<string> onError = null)
-            {
-            }
-
-            public void PartRoom()
-            {
-            }
-        }
-
         private class JoinedRoomStatus : RoomStatus
         {
             public override string Message => "Joined";

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

@@ -0,0 +1,57 @@
+// 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.Linq;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Screens;
+using osu.Framework.Testing;
+using osu.Game.Graphics.Containers;
+using osu.Game.Screens.Multi.Lounge;
+using osu.Game.Screens.Multi.Lounge.Components;
+
+namespace osu.Game.Tests.Visual.Multiplayer
+{
+    public class TestSceneLoungeSubScreen : RoomManagerTestScene
+    {
+        private LoungeSubScreen loungeScreen;
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            Child = new ScreenStack(loungeScreen = new LoungeSubScreen
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                Width = 0.5f,
+            });
+        }
+
+        public override void SetUpSteps()
+        {
+            base.SetUpSteps();
+
+            AddStep("clear rooms", () => RoomManager.Rooms.Clear());
+        }
+
+        private RoomsContainer roomsContainer => loungeScreen.ChildrenOfType<RoomsContainer>().First();
+
+        [Test]
+        public void TestScrollSelectedIntoView()
+        {
+            AddRooms(30);
+
+            AddUntilStep("first room is not masked", () => checkRoomVisible(roomsContainer.Rooms.First()));
+
+            AddStep("select last room", () => roomsContainer.Rooms.Last().Action?.Invoke());
+
+            AddUntilStep("first room is masked", () => !checkRoomVisible(roomsContainer.Rooms.First()));
+            AddUntilStep("last room is not masked", () => checkRoomVisible(roomsContainer.Rooms.Last()));
+        }
+
+        private bool checkRoomVisible(DrawableRoom room) =>
+            loungeScreen.ChildrenOfType<OsuScrollContainer>().First().ScreenSpaceDrawQuad
+                        .Contains(room.ScreenSpaceDrawQuad.Centre);
+    }
+}