'use strict'

const expect = require('chai').expect
const sinon = require('sinon')
const SlStats = require('../../../../lib/plugins/slstats')
const Serverless = require('../../../../lib/serverless')
const config = require('@serverless/utils/config')

describe('SlStats', () => {
  let slStats
  let serverless

  beforeEach(async () => {
    serverless = new Serverless({
      commands: ['print'],
      options: {},
      serviceDir: null,
    })
    return serverless.init().then(() => {
      slStats = new SlStats(serverless)
    })
  })

  describe('#constructor()', () => {
    it('should have access to the serverless instance', () => {
      expect(slStats.serverless).to.deep.equal(serverless)
    })

    it('should have commands', () => expect(slStats.commands).to.be.not.empty)

    it('should have hooks', () => expect(slStats.hooks).to.be.not.empty)
  })

  describe('#toggleStats()', () => {
    let setStub

    beforeEach(() => {
      setStub = sinon.stub(config, 'set')
    })

    afterEach(() => {
      config.set.restore()
    })

    it('should set config.trackingDisabled to true if disabled', () => {
      setStub.returns()
      slStats.options = { disable: true }

      slStats.toggleStats()
      expect(setStub.calledOnce).to.equal(true)
      expect(setStub.calledWithExactly('trackingDisabled', true)).to.equal(true)
    })

    it('should set config.trackingDisabled to false if enabled', () => {
      setStub.returns()
      slStats.options = { enable: true }

      slStats.toggleStats()
      expect(setStub.calledOnce).to.equal(true)
      expect(setStub.calledWithExactly('trackingDisabled', false)).to.equal(
        true,
      )
    })

    it('should resolve if no "enabled" / "disabled" options is given', () => {
      setStub.returns()
      slStats.options = {}

      slStats.toggleStats()
      expect(setStub.calledOnce).to.equal(false)
    })
  })
})