osu/osu.Game.Tests/Visual/Online/TestSceneMessageNotifier.cs

using NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Online.Chat;
using osu.Game.Overlays;
using osu.Game.Users;

namespace osu.Game.Tests.Visual.Online
{
    public class TestSceneMessageNotifier : OsuTestScene
    {
        private User friend;
        private Channel publicChannel;
        private Channel privateMesssageChannel;
        private TestContainer testContainer;

        private int messageIdCounter;

        [SetUp]
        public void Setup()
        {
            friend = new User() { Id = 0, Username = "Friend" };
            publicChannel = new Channel() { Id = 1, Name = "osu" };
            privateMesssageChannel = new Channel(friend) { Id = 2, Name = friend.Username, Type = ChannelType.PM };

            Child = testContainer = new TestContainer(new Channel[] { publicChannel, privateMesssageChannel })
            {
                RelativeSizeAxes = Axes.Both,
            };

            testContainer.ChatOverlay.Show();
        }

        [Test]
        public void TestPublicChannelMention()
        {
            AddStep("Switch to PMs", () => testContainer.ChannelManager.CurrentChannel.Value = privateMesssageChannel);

            AddStep("Send regular message", () => publicChannel.AddNewMessages(new Message(messageIdCounter++) {
                Content = "Hello everyone!",
                Sender = friend,
                ChannelId = publicChannel.Id
            }));
            AddAssert("Expect no notifications", () => testContainer.NotificationOverlay.UnreadCount.Value == 0);

            AddStep("Send message containing mention", () => publicChannel.AddNewMessages(new Message(messageIdCounter++) {
                Content = $"Hello {API.LocalUser.Value.Username.ToLowerInvariant()}!",
                Sender = friend,
                ChannelId = publicChannel.Id
            }));
            AddAssert("Expect 1 notification", () => testContainer.NotificationOverlay.UnreadCount.Value == 1);
        }

        [Test]
        public void TestPrivateMessageNotification()
        {
            AddStep("Send PM", () => privateMesssageChannel.AddNewMessages(new Message(messageIdCounter++)
            {
                Content = $"Hello {API.LocalUser.Value.Username}!",
                Sender = friend,
                ChannelId = privateMesssageChannel.Id
            }));
            AddAssert("Expect 1 notification", () => testContainer.NotificationOverlay.UnreadCount.Value == 1);
        }

        private class TestContainer : Container
        {
            private Channel[] channels;

            public TestContainer(Channel[] channels) => this.channels = channels;

            [Cached]
            public ChannelManager ChannelManager { get; } = new ChannelManager();

            [Cached]
            public NotificationOverlay NotificationOverlay { get; } = new NotificationOverlay();

            [Cached]
            public MessageNotifier MessageNotifier { get; } = new MessageNotifier();

            [Cached]
            public ChatOverlay ChatOverlay { get; } = new ChatOverlay();

            [BackgroundDependencyLoader]
            private void load()
            {
                AddRange(new Drawable[] { ChannelManager, NotificationOverlay });

                ((BindableList<Channel>)ChannelManager.AvailableChannels).AddRange(channels);

                AddRange(new Drawable[] { ChatOverlay, MessageNotifier });

                ((BindableList<Channel>)ChannelManager.JoinedChannels).AddRange(channels);
            }
        }
    }
}