nodeos-mount-utils/test/mkdirMount.js

'use strict'

var utils   = require('../')
var Mount   = require('nodeos-mount')
var Error   = require('errno-codes')
var mkdirp  = require('mkdirp')
var sinon   = require('sinon')
var chai    = require('chai')
var should  = chai.should()
var plugins = { sinon: require('sinon-chai') }
    chai.use(plugins.sinon)

describe('mkdirMount', function () {

  var UNKNOWN = Error.get(Error.UNKNOWN)
  var EEXIST  = Error.get(Error.EEXIST)

  it('should be a function', function () {
    utils.mkdirMount.should.be.a.function
  })
  it('should return a UNKNOWN error returned by mkdir', sinon.test(function () {
    var mount       = this.stub(Mount, 'mount')
    var mkdirpAsync = this.stub(mkdirp, 'mkdirp')
    var callback    = this.spy()
    var mkdirMount  = utils.mkdirMount

    mount.withArgs('/path', 'type', callback).yields()
    mkdirpAsync.withArgs('/path', '0000').yields(UNKNOWN)

    mkdirMount('/path', 'type', callback)

    mkdirpAsync.should.have.been.calledWith('/path', '0000', sinon.match.func)

    callback.should.have.been.calledOnce
    callback.should.have.been.calledWith(UNKNOWN)

    mount.should.not.have.been.calledOnce
    mount.should.not.have.been.calledWith('/path', 'type', callback)
  }))
  it('should (ignore or not return) a EEXIST returned by mkdir', sinon.test(function () {
    var mount        = this.stub(Mount, 'mount')
    var mkdirpAsync  = this.stub(mkdirp, 'mkdirp')
    var callback     = this.spy()
    var mkdirMount   = utils.mkdirMount

    mount.withArgs('/path', 'type', null, null, callback).yields()
    mkdirpAsync.withArgs('/path', '0000').yields(EEXIST)

    mkdirMount('/path', 'type', callback)

    mkdirpAsync.should.have.been.calledWith('/path', '0000', sinon.match.func)

    callback.should.have.been.calledOnce
    callback.should.not.have.been.calledWith(EEXIST)
    callback.should.have.been.calledWith()

    mount.should.have.been.calledOnce
    mount.should.have.been.calledWith('/path', 'type', null, null, callback)
  }))
  it('should mount the created directory to a dev file', sinon.test(function () {
    var mount       = this.stub(Mount, 'mount')
    var mkdirpAsync = this.stub(mkdirp, 'mkdirp')
    var callback    = this.spy()
    var mkdirMount  = utils.mkdirMount

    mount.withArgs('/path', 'type', null, null, callback).yields()
    mkdirpAsync.withArgs('/path', '0000').yields()

    mkdirMount('/path', 'type', callback)

    callback.should.have.been.not.calledWith(UNKNOWN)
    callback.should.have.been.not.calledWith(EEXIST)
    mount.should.have.been.calledOnce
    mount.should.have.been.calledWith('/path', 'type', null, null, callback)

    callback.should.have.been.calledOnce
    callback.should.have.been.calledWith()
    callback.should.have.been.calledAfter(mount)
  }))
})