from central.app.origin_resolution import resolve_origin


def test_origin_requires_strong_supplier_evidence():
    result = resolve_origin("P1", {"value": "0", "strong_evidence": True, "conflict_count": 0}, {})

    assert result["status"] == "ORIGIN_CONFIRMED"
    assert result["value"] == "0"


def test_origin_conflict_stays_pending():
    result = resolve_origin("P1", {"value": None, "strong_evidence": False, "conflict_count": 1}, {})

    assert result["status"] == "ORIGIN_CONFLICT"
    assert result["value"] is None


def test_origin_does_not_use_cst_digit():
    result = resolve_origin("P1", {}, {"cst": "040"})

    assert result["status"] == "ORIGIN_NEEDS_EVIDENCE"