refactor: share folder menu hierarchy across views

1 files changed, 25 insertions, 0 deletions

diff --git a/SoraTests/ViewDerivedDataTests.swift b/SoraTests/ViewDerivedDataTests.swift
index da5ad0d..eb426f7 100644
--- a/SoraTests/ViewDerivedDataTests.swift
+++ b/SoraTests/ViewDerivedDataTests.swift
@@ -102,6 +102,31 @@ final class ViewDerivedDataTests: XCTestCase {
     )
   }
 
+  func testFolderMenuHierarchyIsSharedAcrossConsumers() throws {
+    let consumerPaths = [
+      "Sora/Views/Generic/GenericListView.swift",
+      "Sora/Views/FavoritesView.swift",
+      "Sora/Views/Post/Grid/PostGridView.swift",
+      "Sora/Views/BookmarkMenuButtonView.swift",
+      "Sora/Views/FavoriteMenuButtonView.swift",
+    ]
+
+    for consumerPath in consumerPaths {
+      let source = try loadSource(at: consumerPath)
+      let sharedMenuUsages = tokenCount(
+        matching: #"\bFolderMenuView\s*\("#,
+        in: source
+      )
+
+      // swiftlint:disable:next prefer_nimble
+      XCTAssertGreaterThan(
+        sharedMenuUsages,
+        0,
+        "\(consumerPath) should use FolderMenuView for folder hierarchy rendering."
+      )
+    }
+  }
+
   private func referenceCount(for symbol: String, in source: String) -> Int {
     let totalMatches = tokenCount(
       matching: #"\b\#(symbol)\b"#,