DocFxTocGenerator: Fixed override for folders to be used over index or readme

src/DocFxTocGenerator/DocFxTocGenerator.Test/GenerateTocActionTests.cs

@@ -334,4 +334,54 @@ public async Task Run_Issue_27_Run2()
         string toc = _fileService.ReadAllText(_fileService.GetFullPath("toc.yml"));
         toc.Should().Be(expected);
     }
+
+    [Fact]
+    public async Task Run_Issue_77()
+    {
+        // arrange
+        _fileService.Files.Clear();
+        _fileService.AddFile(string.Empty, "README.md", string.Empty.AddHeading("Issue 77 override problem", 1).AddParagraphs(1));
+        _fileService.AddFile(string.Empty, ".override",
+@"override-folder;The Folder Override");
+        var folder = _fileService.AddFolder("override-folder");
+        _fileService.AddFile(folder, "README.md", string.Empty.AddHeading("Title of the README", 1).AddParagraphs(1));
+        _fileService.AddFile(folder, "content.md", string.Empty.AddHeading("Some content", 1).AddParagraphs(1));
+
+        ContentInventoryAction content = new(_fileService.Root, useOrder: false, useIgnore: false, useOverride: true, camelCasing: false, _fileService, _logger);
+        await content.RunAsync();
+
+        EnsureIndexAction index = new(content.RootFolder!, Index.IndexGenerationStrategy.Never, camelCasing: false, _fileService, _logger);
+        await index.RunAsync();
+
+        GenerateTocAction action = new(
+            _fileService.Root,
+            content.RootFolder!,
+            folderReferenceStrategy: TocFolderReferenceStrategy.IndexReadme,
+            orderStrategy: TocOrderStrategy.All,
+            maxDepth: 0,
+            _fileService,
+            _logger);
+
+        int originalCount = _fileService.Files.Count();
+
+        string expected =
+@"# This is an automatically generated file
+- name: Issue 77 override problem
+  href: README.md
+- name: The Folder Override
+  href: override-folder/README.md
+  items:
+  - name: Some content
+    href: override-folder/content.md
+".NormalizeContent();
+
+        // act
+        ReturnCode ret = await action.RunAsync();
+
+        // assert
+        ret.Should().Be(ReturnCode.Normal);
+        _fileService.Files.Should().HaveCount(originalCount + 1);
+        string toc = _fileService.ReadAllText(_fileService.GetFullPath("toc.yml"));
+        toc.Should().Be(expected);
+    }
 }

src/DocFxTocGenerator/DocFxTocGenerator.Test/Helpers/MockFileService.cs

@@ -131,6 +131,8 @@ public void FillDemoSet()
 
         folder = AddFolder("deep-tree");
         folder = AddFolder("deep-tree/level1");
+        AddFile(folder, ".override",
+@"level2;The Second Level");
         folder = AddFolder("deep-tree/level1/level2");
         AddFile(folder, "index.md", string.Empty
             .AddHeading("Index of LEVEL 2", 1)

src/DocFxTocGenerator/DocFxTocGenerator.Test/TableOfContentsServiceTests.cs

@@ -136,7 +136,7 @@ public async Task GetTocItems_GetTocFolderReferenceIndex()
         toc.Href.Should().BeNull();
 
         toc.Items.Count.Should().Be(1);
-        toc.Items[0].Name.Should().Be("Index of LEVEL 2");
+        toc.Items[0].Name.Should().Be("The Second Level");
         toc.Items[0].Href.Should().Be("deep-tree/level1/level2/index.md");
     }
 
@@ -429,7 +429,7 @@ public async Task SerializeTocItem_Hierarchy()
   items:
   - name: Level1
     items:
-    - name: Level2
+    - name: The Second Level
       items:
       - name: Index of LEVEL 2
         href: deep-tree/level1/level2/index.md
@@ -548,7 +548,7 @@ public async Task SerializeTocItem_Hierarchy_CamelCase()
   items:
   - name: level1
     items:
-    - name: level2
+    - name: The Second Level
       items:
       - name: index of LEVEL 2
         href: deep-tree/level1/level2/index.md

src/DocFxTocGenerator/DocFxTocGenerator/Actions/ContentInventoryAction.cs

@@ -127,6 +127,7 @@ public Task<ReturnCode> RunAsync()
             if (parent.OverrideList.TryGetValue(folder.Name, out string? name))
             {
                 folder.DisplayName = name;
+                folder.IsDisplayNameOverride = true;
             }
         }
 

src/DocFxTocGenerator/DocFxTocGenerator/FileService/FileInfoService.cs

@@ -73,6 +73,7 @@ public FileData CreateFileData(FolderData folder, string file)
         {
             // override the display name
             filedata.DisplayName = name;
+            filedata.IsDisplayNameOverride = true;
         }
         else
         {

src/DocFxTocGenerator/DocFxTocGenerator/FileService/FolderFileBase.cs

@@ -27,6 +27,12 @@ public record FolderFileBase
     /// </summary>
     public string DisplayName { get; set; } = string.Empty;
 
+    /// <summary>
+    /// Gets or sets a value indicating whether the display name is coming from the .override.
+    /// This should always be the preference then.
+    /// </summary>
+    public bool IsDisplayNameOverride { get; set; }
+
     /// <summary>
     /// Gets or sets the sequence value of this item.
     /// </summary>

src/DocFxTocGenerator/DocFxTocGenerator/TableOfContents/TableOfContentsService.cs

@@ -3,6 +3,7 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 // </copyright>
 using System.CodeDom.Compiler;
+using System.Xml.Linq;
 using DocFxTocGenerator.FileService;
 using Microsoft.Extensions.Logging;
 
@@ -62,6 +63,13 @@ public TocItem GetTocItemsForFolder(FolderData folder, int depth)
             Base = folder,
         };
 
+        // we took one of the defaults, but if the parent has an override for this folder
+        // the override must take preference. (fixing issue #77)
+        if (folder.IsDisplayNameOverride)
+        {
+            tocItem.Name = folder.DisplayName;
+        }
+
         // first add all sub folders
         foreach (var subfolder in folder.Folders)
         {