Add test

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

@@ -11,6 +11,8 @@ using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Cursor;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Testing;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
@@ -21,6 +23,7 @@ using osu.Game.Online.API.Requests;
 using osu.Game.Online.API.Requests.Responses;
 using osu.Game.Overlays;
 using osu.Game.Overlays.Comments;
+using osu.Game.Overlays.Comments.Buttons;
 using osuTK.Input;
 
 namespace osu.Game.Tests.Visual.Online
@@ -278,6 +281,93 @@ namespace osu.Game.Tests.Visual.Online
             AddAssert("Request is correct", () => request != null && request.CommentID == 2 && request.Comment == report_text && request.Reason == CommentReportReason.Other);
         }
 
+        [Test]
+        public void TestReply()
+        {
+            addTestComments();
+            DrawableComment? targetComment = null;
+            AddUntilStep("Comment exists", () =>
+            {
+                var comments = this.ChildrenOfType<DrawableComment>();
+                targetComment = comments.SingleOrDefault(x => x.Comment.Id == 2);
+                return targetComment != null;
+            });
+            AddStep("Setup request handling", () =>
+            {
+                requestLock.Reset();
+
+                dummyAPI.HandleRequest = r =>
+                {
+                    if (!(r is CommentPostRequest req))
+                        return false;
+
+                    if (req.ParentCommentId != 2)
+                        throw new ArgumentException("Wrong parent ID in request!");
+
+                    if (req.CommentableId != 123 || req.Commentable != CommentableType.Beatmapset)
+                        throw new ArgumentException("Wrong commentable data in request!");
+
+                    Task.Run(() =>
+                    {
+                        requestLock.Wait(10000);
+                        req.TriggerSuccess(new CommentBundle
+                        {
+                            Comments = new List<Comment>
+                            {
+                                new Comment
+                                {
+                                    Id = 98,
+                                    Message = req.Message,
+                                    LegacyName = "FirstUser",
+                                    CreatedAt = DateTimeOffset.Now,
+                                    VotesCount = 98,
+                                    ParentId = req.ParentCommentId,
+                                }
+                            }
+                        });
+                    });
+
+                    return true;
+                };
+            });
+            AddStep("Click reply button", () =>
+            {
+                var btn = targetComment.ChildrenOfType<LinkFlowContainer>().Skip(1).First();
+                var texts = btn.ChildrenOfType<SpriteText>();
+                InputManager.MoveMouseTo(texts.Skip(1).First());
+                InputManager.Click(MouseButton.Left);
+            });
+            AddAssert("There is 0 replies", () =>
+            {
+                var replLabel = targetComment.ChildrenOfType<ShowRepliesButton>().First().ChildrenOfType<SpriteText>().First();
+                return replLabel.Text.ToString().Contains('0') && targetComment!.Comment.RepliesCount == 0;
+            });
+            AddStep("Focus field", () =>
+            {
+                InputManager.MoveMouseTo(targetComment.ChildrenOfType<TextBox>().First());
+                InputManager.Click(MouseButton.Left);
+            });
+            AddStep("Enter text", () =>
+            {
+                targetComment.ChildrenOfType<TextBox>().First().Current.Value = "random reply";
+            });
+            AddStep("Submit", () =>
+            {
+                InputManager.Key(Key.Enter);
+            });
+            AddStep("Complete request", () => requestLock.Set());
+            AddUntilStep("There is 1 reply", () =>
+            {
+                var replLabel = targetComment.ChildrenOfType<ShowRepliesButton>().First().ChildrenOfType<SpriteText>().First();
+                return replLabel.Text.ToString().Contains('1') && targetComment!.Comment.RepliesCount == 1;
+            });
+            AddUntilStep("Submitted comment shown", () =>
+            {
+                var r = targetComment.ChildrenOfType<DrawableComment>().Skip(1).FirstOrDefault();
+                return r != null && r.Comment.Message == "random reply";
+            });
+        }
+
         private void addTestComments()
         {
             AddStep("set up response", () =>