odin-default-js-exercises/fibonacci/fibonacci.spec.js

const fibonacci = require("./fibonacci");

describe("fibonacci", () => {
  it("works", () => {
    expect(fibonacci(4)).toEqual(3);
  });
  it("works", () => {
    expect(fibonacci(6)).toEqual(8);
  });
  it("works", () => {
    expect(fibonacci(10)).toEqual(55);
  });
  it("works", () => {
    expect(fibonacci(15)).toEqual(610);
  });
  it("works", () => {
    expect(fibonacci(25)).toEqual(75025);
  });
  it("doesn't accept negatives", () => {
    expect(fibonacci(-25)).toEqual("OOPS");
  });
  it("DOES accept strings", () => {
    expect(fibonacci("8")).toEqual(21);
  });
});