import { length } from "enheter"; import { Product } from "../product"; describe("Product tests", () => { it(`Length product gives correct price for a shorter length`, () => { const standard = new Product(20, { l: 4, u: "feet" }); const comparison = standard.priceFor({ l: 2, u: "feet" }); expect(comparison).toEqual(10); }); it(`Length product gives correct price for a longer length`, () => { const standard = new Product(20, {l: 4, u : "feet"}); const comparison = standard.priceFor({l : 8, u : "feet"}); expect(comparison).toEqual(40); }); it(`Length product gives correct price if different units`, () => { const standard = new Product(10, {l: 1, u : "feet"}); const comparison = standard.priceFor({l : 24, u: "inch"}); expect(comparison).toBeCloseTo(20, 4); }); });