feat: add pytest configuration and implement tests for file and metadata extraction

renamer/test/test_fileinfo_extractor.py

@@ -0,0 +1,35 @@
+import pytest
+from pathlib import Path
+from renamer.extractors.fileinfo_extractor import FileInfoExtractor
+
+
+class TestFileInfoExtractor:
+    @pytest.fixture
+    def test_file(self):
+        """Use the filenames.txt file for testing"""
+        return Path(__file__).parent / "filenames.txt"
+
+    def test_extract_size(self, test_file):
+        """Test extracting file size"""
+        size = FileInfoExtractor.extract_size(test_file)
+        assert isinstance(size, int)
+        assert size > 0
+
+    def test_extract_modification_time(self, test_file):
+        """Test extracting modification time"""
+        mtime = FileInfoExtractor.extract_modification_time(test_file)
+        assert isinstance(mtime, float)
+        assert mtime > 0
+
+    def test_extract_file_name(self, test_file):
+        """Test extracting file name"""
+        name = FileInfoExtractor.extract_file_name(test_file)
+        assert isinstance(name, str)
+        assert name == "filenames.txt"
+
+    def test_extract_file_path(self, test_file):
+        """Test extracting file path"""
+        path = FileInfoExtractor.extract_file_path(test_file)
+        assert isinstance(path, str)
+        assert "filenames.txt" in path
+        assert str(test_file) == path