"""Phase 1 tests: Metadata extraction utilities.

Covers:
- Filename extraction
- Upload date generation
- Content summary generation
- Metadata schema validation
"""
import pytest


class TestMetadata:
    """Metadata extraction utility tests."""

    def test_extract_filename(self):
        """Should extract clean filename from path."""
        pass  # TODO: implement

    def test_generate_upload_date(self):
        """Should generate ISO format upload date."""
        pass  # TODO: implement

    def test_content_summary(self):
        """Should generate concise content summary."""
        pass  # TODO: implement