import { fibonacci } from "../helpers/fibonacci";

jest.mock("../helpers/sum");

describe("the fibonacci sequence", () => {
    test("with a length of 0 is ", () => {
        expect(fibonacci(0)).toBe(" ");
    });
  
    test("with a length of 5 is '0, 1, 1, 2, 3' ", () => {
        expect(fibonacci(5)).toBe("0, 1, 1, 2, 3");
    });
});
