nodeos-mount-utils/test/move.js

'use strict'

var fs    = require('fs')
var utils = require('../')
var chai  = require('chai')
var sinon = require('sinon')
var Error = require('errno-codes')
var Mount = require('nodeos-mount')

var should  = chai.should()
var plugins = { sinon: require('sinon-chai') }
    chai.use(plugins.sinon)

describe('move', function () {

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

  it('should be a function', function () {
    utils.move.should.be.a.function
  })
  it('should mount a source to a target', sinon.test(function () {
    var move     = utils.move
    var callback = this.spy()
    var mount    = this.stub(Mount, 'mount')

    mount.withArgs('/target', Mount.MS_MOVE, {devFile: '/source'}, sinon.match.func).yields()

    move('/source', '/target', callback)

    mount.should.have.been.calledOnce
    mount.should.have.been.calledWith('/target', Mount.MS_MOVE, {devFile: '/source'}, sinon.match.func)
  }))
  it('should try to mount a source to a target but return a error', sinon.test(function () {
    var move     = utils.move
    var callback = this.spy()
    var mount    = this.stub(Mount, 'mount')

    mount.withArgs('/target', Mount.MS_MOVE, {devFile: '/source'}, sinon.match.func).yields(UNKNOWN)

    move('/source', '/target', callback)

    mount.should.have.been.calledOnce
    mount.should.have.been.calledWith('/target', Mount.MS_MOVE, {devFile: '/source'}, sinon.match.func)
    callback.should.have.been.calledOnce
    callback.should.have.been.calledWithExactly(UNKNOWN)
  }))
  it('should read the source directory', sinon.test(function () {
    var move     = utils.move
    var callback = this.spy()
    var mount    = this.stub(Mount, 'mount')
    var readdir  = this.stub(fs, 'readdir')

    mount.withArgs('/target', Mount.MS_MOVE, {devFile: '/source'}, sinon.match.func).yields()
    readdir.withArgs('/source', sinon.match.func).yields(null, [])

    move('/source', '/target', callback)

    mount.should.have.been.calledOnce
    mount.should.have.been.calledWith('/target', Mount.MS_MOVE, {devFile: '/source'}, sinon.match.func)

    readdir.should.have.been.calledOnce
    readdir.should.have.been.calledWith('/source', sinon.match.func)
  }))
  it('should try to read the source directory but return a error', sinon.test(function () {
    var move     = utils.move
    var callback = this.spy()
    var mount    = this.stub(Mount, 'mount')
    var readdir  = this.stub(fs, 'readdir')
    var rmdir    = this.stub(fs, 'rmdir')

    mount.withArgs('/target', Mount.MS_MOVE, {devFile: '/source'}, sinon.match.func).yields()
    readdir.withArgs('/source', sinon.match.func).yields(null, [])
    rmdir.withArgs('/source', callback).yields()

    move('/source', '/target', callback)

    mount.should.have.been.calledOnce
    mount.should.have.been.calledWith('/target', Mount.MS_MOVE,
                                      {devFile: '/source'}, sinon.match.func)

    readdir.should.have.been.calledOnce
    readdir.should.have.been.calledWith('/source', sinon.match.func)
  }))
  it('should check if any files are in this directory and return the callback',
  sinon.test(function () {
    var move     = utils.move
    var callback = this.spy()
    var mount    = this.stub(Mount, 'mount')
    var readdir  = this.stub(fs, 'readdir')
    var rmdir    = this.stub(fs, 'rmdir')

    mount.withArgs('/target', Mount.MS_MOVE, {devFile: '/source'}, sinon.match.func).yields()
    readdir.withArgs('/source', sinon.match.func).yields(null, [ '/file1.ext' ])
    rmdir.withArgs('/source', callback).yields()

    move('/source', '/target', callback)

    mount.should.have.been.calledOnce
    mount.should.have.been.calledWith('/target', Mount.MS_MOVE,
                                      {devFile: '/source'}, sinon.match.func)

    readdir.should.have.been.calledOnce
    readdir.should.have.been.calledWith('/source', sinon.match.func)

    callback.should.have.been.calledOnce
    callback.should.have.been.calledWith()
  }))
  it('should remove the source directory', sinon.test(function () {
    var move     = utils.move
    var callback = this.spy()
    var mount    = this.stub(Mount, 'mount')
    var readdir  = this.stub(fs, 'readdir')
    var rmdir    = this.stub(fs, 'rmdir')

    mount.withArgs('/target', Mount.MS_MOVE, {devFile: '/source'}, sinon.match.func).yields()
    readdir.withArgs('/source', sinon.match.func).yields(null, [])
    rmdir.withArgs('/source', callback).yields()

    move('/source', '/target', callback)

    mount.should.have.been.calledOnce
    mount.should.have.been.calledWith('/target', Mount.MS_MOVE,
                                      {devFile: '/source'}, sinon.match.func)

    readdir.should.have.been.calledOnce
    readdir.should.have.been.calledWith('/source', sinon.match.func)

    rmdir.should.have.been.calledWith('/source', callback)

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