feat: Enhance metadata extraction and formatting, improve extractor architecture, and update documentation

renamer/test/test_metadata_extractor.py

@@ -4,35 +4,29 @@ from renamer.extractors.metadata_extractor import MetadataExtractor
 
 
 class TestMetadataExtractor:
+    @pytest.fixture
+    def extractor(self, test_file):
+        return MetadataExtractor(test_file)
+
     @pytest.fixture
     def test_file(self):
         """Use the filenames.txt file for testing"""
         return Path(__file__).parent / "filenames.txt"
 
-    def test_extract_title(self, test_file):
+    def test_extract_title(self, extractor):
         """Test extracting title from metadata"""
-        title = MetadataExtractor.extract_title(test_file)
+        title = extractor.extract_title()
         # Text files don't have metadata, so should be None
         assert title is None
 
-    def test_extract_duration(self, test_file):
+    def test_extract_duration(self, extractor):
         """Test extracting duration from metadata"""
-        duration = MetadataExtractor.extract_duration(test_file)
+        duration = extractor.extract_duration()
         # Text files don't have duration
         assert duration is None
 
-    def test_extract_artist(self, test_file):
+    def test_extract_artist(self, extractor):
         """Test extracting artist from metadata"""
-        artist = MetadataExtractor.extract_artist(test_file)
+        artist = extractor.extract_artist()
         # Text files don't have artist
-        assert artist is None
-
-    def test_extract_all_metadata(self, test_file):
-        """Test extracting all metadata"""
-        metadata = MetadataExtractor.extract_all_metadata(test_file)
-        expected = {
-            'title': None,
-            'duration': None,
-            'artist': None
-        }
-        assert metadata == expected
+        assert artist is None