"""Phase 5 RDF Converter tests.

Tests RDF ↔ Property Graph conversion:
- Triple to node/edge conversion
- Graph roundtrip integrity
"""

import pytest
from ont_platform.core.graph import RDFToPropertyGraphConverter


class TestRDFConverter:
    """Test RDF to Property Graph conversion."""

    def test_converter_init(self):
        """Test converter initialization."""
        converter = RDFToPropertyGraphConverter()
        assert converter is not None

    def test_converter_has_required_methods(self):
        """Test that converter has required methods."""
        converter = RDFToPropertyGraphConverter()
        assert hasattr(converter, 'convert_triples_to_graph')
        assert hasattr(converter, 'to_rdf_triples')
        assert callable(converter.convert_triples_to_graph)
        assert callable(converter.to_rdf_triples)


if __name__ == "__main__":
    pytest.main([__file__, "-v"])