from benchmark.synthetic_data import generate_synthetic_dataset

def test_synthetic_data_generation():
    text, questions, facts = generate_synthetic_dataset(
        style="random_kv",
        target_tokens=1000,
        num_facts=2,
        num_questions=2,
        placement="middle",
        seed=100
    )
    
    assert len(text) > 0
    assert len(questions) == 2
    assert len(facts) == 2
    
    for q in questions:
        assert "question_id" in q
        assert "question" in q
        assert "expected_answer" in q
        assert "source_position" in q
        assert 0.0 <= q["source_position"] <= 1.0