Refactor playlists room manager to handle dummy API requests

osu.Game/Tests/Visual/OnlinePlay/TestRequestHandlingRoomManager.cs

@@ -0,0 +1,76 @@
+// 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.Collections.Generic;
+using osu.Framework.Allocation;
+using osu.Game.Beatmaps;
+using osu.Game.Online.API;
+using osu.Game.Online.Rooms;
+using osu.Game.Rulesets;
+using osu.Game.Screens.OnlinePlay.Components;
+using osu.Game.Users;
+
+namespace osu.Game.Tests.Visual.OnlinePlay
+{
+    /// <summary>
+    /// A very simple <see cref="RoomManager"/> for use in online play test scenes.
+    /// </summary>
+    public class TestRequestHandlingRoomManager : RoomManager
+    {
+        public Action<Room, string> JoinRoomRequested;
+
+        private int currentRoomId;
+
+        private readonly TestRoomRequestsHandler handler = new TestRoomRequestsHandler();
+
+        [BackgroundDependencyLoader]
+        private void load(IAPIProvider api, OsuGameBase game)
+        {
+            ((DummyAPIAccess)api).HandleRequest = request => handler.HandleRequest(request, api.LocalUser.Value, game);
+        }
+
+        public override void JoinRoom(Room room, string password = null, Action<Room> onSuccess = null, Action<string> onError = null)
+        {
+            JoinRoomRequested?.Invoke(room, password);
+            base.JoinRoom(room, password, onSuccess, onError);
+        }
+
+        public void AddRooms(int count, RulesetInfo ruleset = null, bool withPassword = false)
+        {
+            for (int i = 0; i < count; i++)
+            {
+                var room = new Room
+                {
+                    RoomID = { Value = -currentRoomId },
+                    Name = { Value = $@"Room {currentRoomId}" },
+                    Host = { Value = new User { Username = @"Host" } },
+                    EndDate = { Value = DateTimeOffset.Now + TimeSpan.FromSeconds(10) },
+                    Category = { Value = i % 2 == 0 ? RoomCategory.Spotlight : RoomCategory.Normal },
+                };
+
+                if (withPassword)
+                    room.Password.Value = @"password";
+
+                if (ruleset != null)
+                {
+                    room.Playlist.Add(new PlaylistItem
+                    {
+                        Ruleset = { Value = ruleset },
+                        Beatmap =
+                        {
+                            Value = new BeatmapInfo
+                            {
+                                Metadata = new BeatmapMetadata()
+                            }
+                        }
+                    });
+                }
+
+                CreateRoom(room);
+
+                currentRoomId++;
+            }
+        }
+    }
+}