1 files changed, 64 insertions, 0 deletions
diff --git a/SoraTests/ViewDerivedDataTests.swift b/SoraTests/ViewDerivedDataTests.swift
index eb426f7..a97465d 100644
--- a/SoraTests/ViewDerivedDataTests.swift
+++ b/SoraTests/ViewDerivedDataTests.swift
@@ -127,6 +127,70 @@ final class ViewDerivedDataTests: XCTestCase {
     }
   }
 
+  func testSearchSuggestionsCacheIsBuiltFromItemsChanges() throws {
+    let source = try loadSource(at: "Sora/Views/SearchSuggestionsView.swift")
+    let normalizedSource = strippingCommentsAndStrings(from: source)
+
+    let stateCacheCount = tokenCount(
+      matching: #"\@State\s+private\s+var\s+cachedTags"#,
+      in: normalizedSource
+    )
+    let itemsMapCount = tokenCount(
+      matching: #"\bcachedTags\s*=\s*items\s*\.\s*map"#,
+      in: normalizedSource
+    )
+    let itemsChangeObserverCount = tokenCount(
+      matching: #"\.onChange\s*\(\s*of:\s*itemsCacheKey\s*\)"#,
+      in: normalizedSource
+    )
+
+    // swiftlint:disable:next prefer_nimble
+    XCTAssertGreaterThan(
+      stateCacheCount,
+      0,
+      "Search suggestions should keep preprocessed tags in view state."
+    )
+    // swiftlint:disable:next prefer_nimble
+    XCTAssertGreaterThan(
+      itemsMapCount,
+      0,
+      "Search suggestions should build cached tags from items."
+    )
+    // swiftlint:disable:next prefer_nimble
+    XCTAssertGreaterThan(
+      itemsChangeObserverCount,
+      0,
+      "Search suggestions should refresh cached tags only when items change."
+    )
+  }
+
+  func testPostDetailsImageActionsUseAsyncCachedImageLoading() throws {
+    let source = try loadSource(at: "Sora/Views/Post/Details/PostDetailsImageView.swift")
+    let normalizedSource = strippingCommentsAndStrings(from: source)
+
+    let synchronousLoadCount = tokenCount(
+      matching: #"\bNSData\s*\(\s*contentsOf:"#,
+      in: normalizedSource
+    )
+    let cachedLoaderCount = tokenCount(
+      matching: #"\bImageCacheManager\s*\.\s*shared\s*\.\s*loadImageData\s*\("#,
+      in: normalizedSource
+    )
+
+    // swiftlint:disable:next prefer_nimble
+    XCTAssertEqual(
+      synchronousLoadCount,
+      0,
+      "Post details image actions should avoid synchronous NSData file or network loads."
+    )
+    // swiftlint:disable:next prefer_nimble
+    XCTAssertGreaterThan(
+      cachedLoaderCount,
+      0,
+      "Post details image actions should use cache-backed async image loading."
+    )
+  }
+
   private func referenceCount(for symbol: String, in source: String) -> Int {
     let totalMatches = tokenCount(
       matching: #"\b\#(symbol)\b"#,