markdown-links-check/test/index.test.js

This lib extract the links in a markdown file, has two options: an array result with all links in the file with the title and the URL or test all the URLs and return the status code for each one.

import readFile from "../index";

const resultArray = [
  {
    FileList: 'https://developer.mozilla.org/pt-BR/docs/Web/API/FileList'
  }
]

describe("readFile:", () => {
  it("Has to be a function", () => {
    expect(typeof readFile).toBe("function");
  })
  it("Has to return an array with the result", async () => {
    const result = await readFile('C:\\Users\\maso\\Desktop\\projects\\alura\\nodejs\\lib-markdown\\test\\files\\textWithLinks.md')
    expect(result).toEqual(resultArray)
  })
  it("Has to return the message 'No links found'", async () => {
    const result = await readFile('C:\\Users\\maso\\Desktop\\projects\\alura\\nodejs\\lib-markdown\\test\\files\\textWithoutLinks.md')
    expect(result).toBe('No links found')
  })
  it('Has to throw an error if filepath is invalid', async () => {
    await expect(readFile('C:\\Users\\maso\\Desktop\\projects\\alura\\nodejs\\lib-markdown\\test\\files\\text')).rejects.toThrow(/The specified file could not be accessed./)
  })
  it('Has to resolve the function with success', async () => {
    await expect(readFile('C:\\Users\\maso\\Desktop\\projects\\alura\\nodejs\\lib-markdown\\test\\files\\textWithLinks.md')).resolves.toEqual(resultArray)
  })
})