wnpm-ci/test/package-handler.spec.js

CI support scripts for npm packages

'use script'

const fs = require('fs-extra')
const tmp = require('tmp')
const path = require('path')
const {expect} = require('chai')
const process = require('process')
const packageHandler = require('../lib/package-handler')

describe('package-handler', () => {
  let dirName, pwd
  beforeEach(() => {
    dirName = tmp.dirSync({unsafeCleanup: true}).name
    pwd = process.cwd()
  })
  afterEach(() => process.chdir(pwd))

  it('should read a package from path', async () => {
    const fileName = path.join(dirName, 'package.json')
    const obj = {version: 123}
    fs.outputJsonSync(fileName, obj)
    expect(await packageHandler.readPackageJson(fileName)).to.eql(obj)
  })

  it('should write a package to path', async () => {
    const fileName = path.join(dirName, 'package.json')
    await packageHandler.writePackageJson(fileName, {})
    expect(fs.readJsonSync(fileName)).to.eql({})
  })

  it('should read a package from relative path', async () => {
    const obj = {version: 123}
    fs.outputJsonSync(path.join(dirName, 'package.json'), obj)
    process.chdir(dirName)
    expect(await packageHandler.readPackageJson('package.json')).to.eql(obj)
  })

  it('should write a package to relative path', async () => {
    await packageHandler.writePackageJson(path.join(dirName, 'package.json'), {})
    process.chdir(dirName)
    expect(fs.readJsonSync('package.json')).to.eql({})
  })
})