from app.services.crm_supplier_hazard import product_allowed


def test_plain_always_allowed():
    assert product_allowed(is_toxic=0, is_explosive=0, allow_toxic=0, allow_explosive=0) is True


def test_toxic_only_requires_allow_toxic():
    assert product_allowed(1, 0, allow_toxic=1, allow_explosive=0) is True
    assert product_allowed(1, 0, allow_toxic=0, allow_explosive=1) is False


def test_explosive_only_requires_allow_explosive():
    assert product_allowed(0, 1, allow_toxic=0, allow_explosive=1) is True
    assert product_allowed(0, 1, allow_toxic=1, allow_explosive=0) is False


def test_dual_requires_both():
    assert product_allowed(1, 1, allow_toxic=1, allow_explosive=1) is True
    assert product_allowed(1, 1, allow_toxic=1, allow_explosive=0) is False
    assert product_allowed(1, 1, allow_toxic=0, allow_explosive=1) is False