Add Arabic dialect test fixtures

Tests/MusicAssistantCoreTests/ArabicLyricsFixtures.swift

@@ -0,0 +1,65 @@
+import MusicAssistantCore
+
+struct ArabicLyricsFixture {
+    let dialectName: String
+    let lyrics: String
+    let settings: ArabicPronunciationSettings
+    let expectedLyrics: String
+    let expectedNotes: [ArabicPronunciationProcessingNote]
+}
+
+enum ArabicLyricsFixtures {
+    static let all: [ArabicLyricsFixture] = [
+        levantine,
+        egyptian,
+        gulf,
+        maghrebi
+    ]
+
+    private static let levantine = ArabicLyricsFixture(
+        dialectName: "Levantine Arabic",
+        lyrics: "\u{0634}\u{064F}\u{0648} \u{0628}\u{064E}\u{062F}\u{0651}\u{064E}\u{0643}",
+        settings: ArabicPronunciationSettings(
+            isEnabled: true,
+            diacritizationPolicy: .pronunciationTargeted,
+            tanweenPolicy: .preserveUserInput,
+            preservedSpellings: ["\u{0634}\u{064F}\u{0648}"]
+        ),
+        expectedLyrics: "\u{0634}\u{064F}\u{0648} \u{0628}\u{064E}\u{062F}\u{064E}\u{0651}\u{0643}",
+        expectedNotes: [.preservedSpellingsProtected(count: 1)]
+    )
+
+    private static let egyptian = ArabicLyricsFixture(
+        dialectName: "Egyptian Arabic",
+        lyrics: "\u{0625}\u{0650}\u{0632}\u{0651}\u{064E}\u{0627}\u{064A}\u{064E}\u{0643}",
+        settings: ArabicPronunciationSettings(
+            isEnabled: true,
+            diacritizationPolicy: .pronunciationTargeted
+        ),
+        expectedLyrics: "\u{0625}\u{0650}\u{0632}\u{064E}\u{0651}\u{0627}\u{064A}\u{064E}\u{0643}",
+        expectedNotes: []
+    )
+
+    private static let gulf = ArabicLyricsFixture(
+        dialectName: "Gulf Arabic",
+        lyrics: "\u{0648}\u{064E}\u{064A}\u{0652}\u{0646}\u{064E}\u{0643} \u{0634}\u{064F}\u{0643}\u{0652}\u{0631}\u{064B}\u{0627}",
+        settings: ArabicPronunciationSettings(
+            isEnabled: true,
+            diacritizationPolicy: .pronunciationTargeted,
+            tanweenPolicy: .removeWhenUnwanted
+        ),
+        expectedLyrics: "\u{0648}\u{064E}\u{064A}\u{0652}\u{0646}\u{064E}\u{0643} \u{0634}\u{064F}\u{0643}\u{0652}\u{0631}\u{0627}",
+        expectedNotes: []
+    )
+
+    private static let maghrebi = ArabicLyricsFixture(
+        dialectName: "Maghrebi Arabic",
+        lyrics: "\u{0634}\u{0646}\u{0648} \u{0628}\u{063A}\u{064A}\u{062A}\u{064A}",
+        settings: ArabicPronunciationSettings(
+            isEnabled: true,
+            diacritizationPolicy: .fullTashkeel
+        ),
+        expectedLyrics: "\u{0634}\u{0646}\u{0648} \u{0628}\u{063A}\u{064A}\u{062A}\u{064A}",
+        expectedNotes: [.fullTashkeelNeedsReview]
+    )
+}

Tests/MusicAssistantCoreTests/ArabicPronunciationProcessorTests.swift

@@ -103,4 +103,26 @@ final class ArabicPronunciationProcessorTests: XCTestCase {
         XCTAssertEqual(result.text, "\(preservedSpelling) \u{0628}\u{064E}\u{0651}")
         XCTAssertEqual(result.notes, [.preservedSpellingsProtected(count: 1)])
     }
+
+    func testArabicDialectFixturesCoverExpectedProcessingBehavior() {
+        XCTAssertEqual(ArabicLyricsFixtures.all.count, 4)
+        XCTAssertEqual(
+            Set(ArabicLyricsFixtures.all.map(\.dialectName)).count,
+            ArabicLyricsFixtures.all.count
+        )
+
+        for fixture in ArabicLyricsFixtures.all {
+            let result = processor.process(
+                lyrics: fixture.lyrics,
+                settings: fixture.settings
+            )
+
+            XCTAssertEqual(
+                result.text.unicodeScalars.map(\.value),
+                fixture.expectedLyrics.unicodeScalars.map(\.value),
+                fixture.dialectName
+            )
+            XCTAssertEqual(result.notes, fixture.expectedNotes, fixture.dialectName)
+        }
+    }
 }

docs/TASKS.md

@@ -71,7 +71,7 @@ requirement is missing and blocks implementation, record it in
 -   [x] Support diacritics/harakat/tanween processing.
 -   [x] Preserve intentional spelling/dialect choices where possible.
 -   [x] Allow user to compare/edit processed Arabic before Suno handoff.
--   [ ] Add Arabic test fixtures covering multiple dialects.
+-   [x] Add Arabic test fixtures covering multiple dialects.
 
 ## Phase 6 --- Instrument Selector & Catalog