from data_layer.food_recipes import list_known_ingredient_names, save_recipe


class _FakeCur:
    def __init__(self, rows):
        self.rows = rows

    def execute(self, sql, params=None):
        return None

    def fetchall(self):
        return self.rows


def test_known_ingredient_names_flags_mapping():
    rows = list_known_ingredient_names(_FakeCur([
        {"source_name_raw": "Hafer", "source_name_normalized": "hafer", "food_id": "1", "food_name_de": "Haferflocken", "bls_code": "B123", "mapped": True},
        {"source_name_raw": "Salz", "source_name_normalized": "salz", "food_id": None, "food_name_de": None, "bls_code": None, "mapped": False},
    ]), "p")
    assert rows[0]["mapped"] is True
    assert rows[1]["mapped"] is False


def test_save_recipe_requires_name():
    try:
        save_recipe(None, "p", {"name_raw": "  ", "ingredients": []})
    except ValueError as e:
        assert "Rezeptname" in str(e)
    else:
        raise AssertionError("expected ValueError")