from buddy_fusion.runtime import FakeBuddyRuntime


def test_fake_runtime_generate_creature_never_empty():
    rt = FakeBuddyRuntime()
    genome, boxes, status = rt.generate_creature("a cat with five arms")
    assert isinstance(boxes, list) and len(boxes) > 0
    assert isinstance(genome, dict) and genome.get("name")
    assert status.used_fallback is True  # fake always uses the exemplar
    # boxes are renderable (have the 6 ints)
    for b in boxes:
        assert all(k in b for k in ("x", "y", "z", "w", "h", "d"))