mecano/test/misc_file.coffee

Common functions for system deployment.

path = require 'path'
crypto = require 'crypto'
should = require 'should'
mecano = if process.env.MECANO_COV then require '../lib-cov/mecano' else require '../lib/mecano'
misc = if process.env.MECANO_COV then require '../lib-cov/misc' else require '../lib/misc'
test = require './test'
they = require 'ssh2-they'
fs = require 'ssh2-fs'

describe 'misc.file', ->

  scratch = test.scratch @

  describe 'cmpmod', ->

    it 'compare strings of same size', ->
      misc.file.cmpmod('544', '544').should.be.ok
      misc.file.cmpmod('544', '322').should.not.be.ok

    it 'compare strings of different sizes', ->
      misc.file.cmpmod('544', '4544').should.be.ok
      misc.file.cmpmod('544', '4543').should.not.be.ok
      misc.file.cmpmod('0322', '322').should.be.ok
      misc.file.cmpmod('0544', '322').should.not.be.ok

    it 'compare int with string', ->
      misc.file.cmpmod(0o0744, '744').should.be.ok
      misc.file.cmpmod(0o0744, '0744').should.be.ok

    it 'compare int with string', ->
      misc.file.cmpmod('744', 0o0744).should.be.ok
      misc.file.cmpmod('0744', 0o0744).should.be.ok

  describe 'hash', ->

    they 'returns the file md5', (ssh, next) ->
      misc.file.hash ssh, "#{__dirname}/../resources/render.eco", (err, md5) ->
        return next err if err
        md5.should.eql '287621a8df3c3f6c99c7b7645bd09ffd'
        next()

    they 'throws error if file does not exist', (ssh, next) ->
      misc.file.hash ssh, "#{__dirname}/does/not/exist", (err, md5) ->
        err.message.should.eql "Does not exist: #{__dirname}/does/not/exist"
        should.not.exist md5
        next()

    they 'returns the directory md5', (ssh, next) ->
      misc.file.hash ssh, "#{__dirname}/../resources", (err, md5) ->
        return next err if err
        md5.should.eql 'e667d74986ef3f22b7b6b7fc66d5ea59'
        next()

    they 'returns the directory md5 when empty', (ssh, next) ->
      mecano.mkdir "#{scratch}/a_dir", (err, created) ->
        return next err if err
        misc.file.hash ssh, "#{scratch}/a_dir", (err, md5) ->
          return next err if err
          md5.should.eql crypto.createHash('md5').update('').digest('hex')
          next()

  describe 'compare', ->

    they '2 differents files', (ssh, next) ->
      file = "#{__dirname}/../resources/render.eco"
      misc.file.compare ssh, [file, file], (err, md5) ->
        return next err if err
        md5.should.eql '287621a8df3c3f6c99c7b7645bd09ffd'
        next()

    # they 'throw error if there is a directory', (ssh, next) ->
    #   file = "#{__dirname}/../resources/render.eco"
    #   misc.file.compare ssh, [file, __dirname], (err, md5) ->
    #     err.message.should.eql "Is a directory: #{__dirname}"
    #     should.not.exist md5
    #     next()

  describe 'remove', ->

    they 'a dir', (ssh, next) ->
      mecano.mkdir
        ssh: ssh
        destination: "#{scratch}/remove_dir"
      , (err, created) ->
        return next err if err
        misc.file.remove ssh, "#{scratch}/remove_dir", (err) ->
          return next err if err
          fs.exists ssh, "#{scratch}/remove_dir", (err, exists) ->
            return next err if err
            exists.should.not.be.ok
            next()

    they 'handle a missing remote dir', (ssh, next) ->
      misc.file.remove ssh, "#{scratch}/remove_missing_dir", (err) ->
        fs.exists ssh, "#{scratch}/remove_missing_dir", (err, exists) ->
          return next err if err
          exists.should.not.be.ok
          next()