fix: Lint fixes of last tests

tests/services/test_sound_scanner.py

@@ -1,4 +1,5 @@
 """Tests for sound scanner service."""
+# ruff: noqa: ANN001, ANN201, ARG002, PLR2004, SLF001, PLC0415, SIM117
 
 import tempfile
 from pathlib import Path
@@ -24,7 +25,7 @@ class TestSoundScannerService:
         """Create a scanner service with mock session."""
         return SoundScannerService(mock_session)
 
-    def test_init(self, scanner_service):
+    def test_init(self, scanner_service) -> None:
         """Test scanner service initialization."""
         assert scanner_service.session is not None
         assert scanner_service.sound_repo is not None
@@ -32,7 +33,7 @@ class TestSoundScannerService:
         assert ".mp3" in scanner_service.supported_extensions
         assert ".wav" in scanner_service.supported_extensions
 
-    def test_get_file_hash(self, scanner_service):
+    def test_get_file_hash(self, scanner_service) -> None:
         """Test file hash calculation."""
         # Create a temporary file
         with tempfile.NamedTemporaryFile(mode="w", delete=False) as f:
@@ -48,7 +49,7 @@ class TestSoundScannerService:
         finally:
             temp_path.unlink()
 
-    def test_get_file_size(self, scanner_service):
+    def test_get_file_size(self, scanner_service) -> None:
         """Test file size calculation."""
         # Create a temporary file
         with tempfile.NamedTemporaryFile(mode="w", delete=False) as f:
@@ -64,7 +65,7 @@ class TestSoundScannerService:
         finally:
             temp_path.unlink()
 
-    def test_extract_name_from_filename(self, scanner_service):
+    def test_extract_name_from_filename(self, scanner_service) -> None:
         """Test name extraction from filename."""
         test_cases = [
             ("hello_world.mp3", "Hello World"),
@@ -79,7 +80,7 @@ class TestSoundScannerService:
             assert result == expected_name
 
     @patch("app.utils.audio.ffmpeg.probe")
-    def test_get_audio_duration_success(self, mock_probe, scanner_service):
+    def test_get_audio_duration_success(self, mock_probe, scanner_service) -> None:
         """Test successful audio duration extraction."""
         mock_probe.return_value = {"format": {"duration": "123.456"}}
 
@@ -92,7 +93,7 @@ class TestSoundScannerService:
         mock_probe.assert_called_once_with(str(temp_path))
 
     @patch("app.utils.audio.ffmpeg.probe")
-    def test_get_audio_duration_failure(self, mock_probe, scanner_service):
+    def test_get_audio_duration_failure(self, mock_probe, scanner_service) -> None:
         """Test audio duration extraction failure."""
         mock_probe.side_effect = Exception("FFmpeg error")
 
@@ -105,13 +106,13 @@ class TestSoundScannerService:
         mock_probe.assert_called_once_with(str(temp_path))
 
     @pytest.mark.asyncio
-    async def test_scan_directory_nonexistent(self, scanner_service):
+    async def test_scan_directory_nonexistent(self, scanner_service) -> None:
         """Test scanning a non-existent directory."""
         with pytest.raises(ValueError, match="Directory does not exist"):
             await scanner_service.scan_directory("/non/existent/path")
 
     @pytest.mark.asyncio
-    async def test_scan_directory_not_directory(self, scanner_service):
+    async def test_scan_directory_not_directory(self, scanner_service) -> None:
         """Test scanning a path that is not a directory."""
         # Create a temporary file
         with tempfile.NamedTemporaryFile() as f:
@@ -119,7 +120,7 @@ class TestSoundScannerService:
                 await scanner_service.scan_directory(f.name)
 
     @pytest.mark.asyncio
-    async def test_sync_audio_file_unchanged(self, scanner_service):
+    async def test_sync_audio_file_unchanged(self, scanner_service) -> None:
         """Test syncing file that is unchanged."""
         # Existing sound with same hash as file
         existing_sound = Sound(
@@ -166,7 +167,7 @@ class TestSoundScannerService:
                 temp_path.unlink()
 
     @pytest.mark.asyncio
-    async def test_sync_audio_file_new(self, scanner_service):
+    async def test_sync_audio_file_new(self, scanner_service) -> None:
         """Test syncing a new audio file."""
         created_sound = Sound(
             id=1,
@@ -221,7 +222,7 @@ class TestSoundScannerService:
                 temp_path.unlink()
 
     @pytest.mark.asyncio
-    async def test_sync_audio_file_updated(self, scanner_service):
+    async def test_sync_audio_file_updated(self, scanner_service) -> None:
         """Test syncing a file that was modified (different hash)."""
         # Existing sound with different hash than file
         existing_sound = Sound(
@@ -280,7 +281,7 @@ class TestSoundScannerService:
                 temp_path.unlink()
 
     @pytest.mark.asyncio
-    async def test_sync_audio_file_custom_type(self, scanner_service):
+    async def test_sync_audio_file_custom_type(self, scanner_service) -> None:
         """Test syncing file with custom type."""
         created_sound = Sound(
             id=1,