Add automated match settings overlay tests

osu.Game.Tests/Visual/TestCaseMatchSettingsOverlay.cs

@@ -3,9 +3,16 @@
 
 using System;
 using System.Collections.Generic;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Game.Beatmaps;
+using osu.Game.Graphics.UserInterface;
 using osu.Game.Online.Multiplayer;
+using osu.Game.Screens.Multi;
+using osu.Game.Screens.Multi.Lounge.Components;
 using osu.Game.Screens.Multi.Match.Components;
 
 namespace osu.Game.Tests.Visual
@@ -17,13 +24,95 @@ public class TestCaseMatchSettingsOverlay : OsuTestCase
             typeof(RoomSettingsOverlay)
         };
 
-        public TestCaseMatchSettingsOverlay()
+        [Cached(Type = typeof(IRoomManager))]
+        private TestRoomManager roomManager = new TestRoomManager();
+
+        private Room room;
+        private TestRoomSettings settings;
+
+        [SetUp]
+        public void Setup() => Schedule(() =>
         {
-            Child = new RoomSettingsOverlay(new Room())
+            room = new Room();
+            settings = new TestRoomSettings(room)
             {
                 RelativeSizeAxes = Axes.Both,
                 State = Visibility.Visible
             };
+
+            Child = settings;
+        });
+
+        [Test]
+        public void TestButtonEnabledOnlyWithNameAndBeatmap()
+        {
+            AddStep("clear name and beatmap", () =>
+            {
+                room.Name.Value = "";
+                room.Playlist.Clear();
+            });
+
+            AddAssert("button disabled", () => !settings.ApplyButton.Enabled);
+
+            AddStep("set name", () => room.Name.Value = "Room name");
+            AddAssert("button disabled", () => !settings.ApplyButton.Enabled);
+
+            AddStep("set beatmap", () => room.Playlist.Add(new PlaylistItem { Beatmap = new DummyWorkingBeatmap().BeatmapInfo }));
+            AddAssert("button enabled", () => settings.ApplyButton.Enabled);
+
+            AddStep("clear name", () => room.Name.Value = "");
+            AddAssert("button disabled", () => !settings.ApplyButton.Enabled);
+        }
+
+        [Test]
+        public void TestCorrectSettingsApplied()
+        {
+            const string expected_name = "expected name";
+            TimeSpan expectedDuration = TimeSpan.FromMinutes(15);
+
+            Room createdRoom = null;
+
+            AddStep("setup", () =>
+            {
+                settings.NameField.Current.Value = expected_name;
+                settings.DurationField.Current.Value = expectedDuration;
+
+                roomManager.CreateRequested = r => createdRoom = r;
+            });
+
+            AddStep("create room", () => settings.ApplyButton.Action.Invoke());
+            AddAssert("has correct name", () => createdRoom.Name.Value == expected_name);
+            AddAssert("has correct duration", () => createdRoom.Duration.Value == expectedDuration);
+        }
+
+        private class TestRoomSettings : RoomSettingsOverlay
+        {
+            public new TriangleButton ApplyButton => base.ApplyButton;
+
+            public new OsuTextBox NameField => base.NameField;
+            public new OsuDropdown<TimeSpan> DurationField => base.DurationField;
+
+            public TestRoomSettings(Room room)
+                : base(room)
+            {
+            }
+        }
+
+        private class TestRoomManager : IRoomManager
+        {
+            public Action<Room> CreateRequested;
+
+            public event Action<Room> OpenRequested;
+
+            public IBindableCollection<Room> Rooms { get; } = null;
+
+            public void CreateRoom(Room room) => CreateRequested?.Invoke(room);
+
+            public void JoinRoom(Room room) => throw new NotImplementedException();
+
+            public void PartRoom() => throw new NotImplementedException();
+
+            public void Filter(FilterCriteria criteria) => throw new NotImplementedException();
         }
     }
 }