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4 - functions.js
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4 - functions.js
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'use strict'
//----------
// Includes
//----------
const expect = require('expect.js')
const path = require('path')
let shared = require('../code/2 - shared.js')
let config = require('../code/3 - config.js')
const functions = require('../code/4 - functions.js')
//-----------
// Variables
//-----------
const sharedBackup = functions.cloneObj(shared)
const configBackup = functions.cloneObj(config)
const testPath = path.join(shared.path.self, 'mocha', 'files', 'functions')
//-------------
// Mocha Tests
//-------------
describe('File -> ../code/4 - functions.js\n', function() {
beforeEach(function() {
// runs before each test in this describe block
config.option.concurLimit = 1
})
afterEach(function() {
// runs after each test in this describe block
config = functions.restoreObj(config, configBackup)
shared = functions.restoreObj(shared, sharedBackup)
})
describe('Functions', function() {
//------------------------------
// functions.addDestToSourceExt
//------------------------------
describe('addDestToSourceExt', function() {
it('should add and append mappings to without harming existing entries', function() {
let desired = {
'karp' : ['splash', 'stare'],
'html' : ['md', 'htm']
}
// add new mapping
functions.addDestToSourceExt('karp', ['splash', 'stare'])
// append to existing mapping
functions.addDestToSourceExt('html', 'htm')
expect(config.map.destToSourceExt.karp).to.eql(desired.karp)
expect(config.map.destToSourceExt.js).to.eql(desired.js)
}) // it
}) // describe
//------------------------
// functions.buildEmptyOk
//------------------------
describe('buildEmptyOk', function() {
it('should leave obj.data as is when not building', function() {
let testObj = {
build: false,
data: ''
}
let resultObj = functions.buildEmptyOk(testObj)
expect(resultObj).to.eql(testObj)
}) // it
it('should change an empty obj.data value when building', function() {
let testObj = {
build: true,
data: ''
}
let resultObj = functions.buildEmptyOk(testObj)
expect(resultObj.data).to.eql(' ')
}) // it
it('should leave a non-empty obj.data value as is when building', function() {
let testObj = {
build: true,
data: 'meep'
}
let resultObj = functions.buildEmptyOk(testObj)
expect(resultObj).to.eql(testObj)
}) // it
}) // describe
//----------------------
// functions.cacheReset
//----------------------
describe('cacheReset', function() {
it('should reset cache objects', function() {
shared.cache.errorsSeen = ['wee, an error']
shared.cache.includeFilesSeen.ext1 = ['sample.txt']
shared.cache.includesNewer = {
'some': 'entry'
}
shared.cache.missingMapBuild = ['mystery extension']
functions.cacheReset()
expect(shared.cache.errorsSeen).to.be.an('object')
expect(shared.cache.errorsSeen).to.be.empty()
expect(shared.cache.includeFilesSeen).to.be.an('object')
expect(shared.cache.includeFilesSeen).to.be.empty()
expect(shared.cache.includesNewer).to.be.an('object')
expect(shared.cache.includesNewer).to.be.empty()
expect(shared.cache.missingMapBuild).to.be.an('array')
expect(shared.cache.missingMapBuild).to.be.empty()
}) // it
}) // describe
//---------------------
// functions.changeExt
//---------------------
describe('changeExt', function() {
it('should return file path with changed extension', function() {
let test = functions.changeExt('index.md', 'html')
expect(test).to.be('index.html')
}) // it
}) // describe
//----------------------
// functions.cleanArray
//----------------------
describe('cleanArray', function() {
it('should should return an array without empty slots', function() {
let test = functions.cleanArray([1,,3])
expect(test).to.eql([1,3])
}) // it
}) // describe
//--------------------
// functions.cloneObj
//--------------------
describe('cloneObj', function() {
it('should return a cloned object that has no reference to the original', function() {
let objOne = {
'meep': 'moop'
}
let test = functions.cloneObj(objOne)
test.meep = false
expect(objOne.meep).to.be('moop')
}) // it
}) // describe
//---------------------------
// functions.concatMetaClean
//---------------------------
describe('concatMetaClean', function() {
it('should clean orphan files only', function() {
config.path.source = path.join(testPath, 'concatMetaClean', 'source')
let validFile = path.join(config.path.source, '.valid.txt.concat')
let orphanFile = path.join(config.path.source, '.orphan.txt.concat')
return Promise.resolve().then(function() {
// make sure our orphan file exists
return functions.writeFile(orphanFile, '...')
}).then(function() {
return functions.concatMetaClean()
}).then(function() {
return functions.fileExists(orphanFile)
}).then(function(orphanFileExists) {
// make sure our orphan file was deleted
expect(orphanFileExists).to.be(false)
return functions.fileExists(validFile)
}).then(function(validFileExists) {
// make sure our valid file was not deleted
expect(validFileExists).to.be(true)
// write our orphan file back to disk for next time
return functions.writeFile(orphanFile, '...')
})
}) // it
}) // describe
//--------------------------
// functions.concatMetaRead
//--------------------------
describe('concatMetaRead', function() {
it('should return a valid result for an existing file', function() {
config.path.source = path.join(testPath, 'concatMetaRead', 'source')
let file = path.join(config.path.source, 'style.css.concat')
let desiredObject = [
path.join(config.path.source, '_a.css'),
path.join(config.path.source, '_b.css')
]
return Promise.resolve().then(function() {
return functions.concatMetaRead(file)
}).then(function(data) {
expect(data).to.eql(desiredObject)
})
}) // it
it('should return an empty result for a missing file', function() {
config.path.source = path.join(testPath, 'concatMetaRead', 'source')
let file = path.join(config.path.source, 'missing.css.concat')
return functions.concatMetaRead(file).then(function(data) {
expect(data).to.be('')
})
}) // it
}) // describe
//---------------------------
// functions.concatMetaWrite
//---------------------------
describe('concatMetaWrite', function() {
it('should write a meta file to the source folder', function() {
config.path.source = path.join(testPath, 'concatMetaWrite', 'source')
let file = path.join(config.path.source, 'all.txt.concat')
let metaFile = path.join(config.path.source, '.all.txt.concat')
let desiredObject = [
path.join(config.path.source, '_a.css'),
path.join(config.path.source, '_b.css')
]
return Promise.resolve().then(function() {
return functions.concatMetaWrite(file, desiredObject)
}).then(function() {
return functions.concatMetaRead(file)
}).then(function(data) {
expect(data).to.eql(desiredObject)
return functions.removeFile(metaFile)
})
}) // it
it('should throw if a file is not located in the source path', function() {
config.path.source = path.join(testPath, 'concatMetaWrite', 'source')
config.path.dest = path.join(testPath, 'concatMetaWrite', 'dest')
let file = path.join(config.path.dest, 'some.css.concat')
return functions.concatMetaWrite(file, []).then(function() {
throw 'Should have thrown a specific error.'
}).catch(function(err) {
expect(err.message.indexOf('refusing to write to non source location')).to.be.greaterThan(0)
})
}) // it
}) // describe
//------------------------------
// functions.configPathsAreGood
//------------------------------
describe('configPathsAreGood', function() {
it('should return true for unique paths', function() {
config.path.source = path.join('web', 'source')
config.path.dest = path.join('web', 'dest')
expect(functions.configPathsAreGood()).to.be(true)
}) // it
it('should return an error string for duplicate paths', function() {
config.path.source = path.join('web', 'source')
config.path.dest = config.path.source
expect(functions.configPathsAreGood()).to.be.a('string')
}) // it
it('should return an error string if source or dest is located within the other', function() {
config.path.source = path.join('web', 'source')
config.path.dest = path.join('web', 'source', 'css')
expect(functions.configPathsAreGood()).to.be.a('string')
config.path.source = path.join('web', 'source', 'css')
config.path.dest = path.join('web', 'source')
expect(functions.configPathsAreGood()).to.be.a('string')
}) // it
it('should return error strings when appropriate for protected destinations', function() {
config.path.source = path.join('imaginary', 'path')
if (shared.slash === '\\') {
// we are on windows
if (typeof process.env.windir === 'string') {
config.path.dest = process.env.windir
expect(functions.configPathsAreGood()).to.be.a('string')
config.path.dest = path.join(process.env.windir, 'system32')
expect(functions.configPathsAreGood()).to.be.a('string')
config.path.dest = path.join(process.env.windir, 'system32', 'drivers')
expect(functions.configPathsAreGood()).to.be.a('string')
}
let env = [process.env.ProgramFiles, process.env['ProgramFiles(x86)'], path.dirname(process.env.USERPROFILE)]
for (let i in env) {
if (typeof env[i] === 'string') {
config.path.dest = env[i]
expect(functions.configPathsAreGood()).to.be.a('string')
config.path.dest = path.join(env[i], 'second')
expect(functions.configPathsAreGood()).to.be.a('string')
config.path.dest = path.join(env[i], 'second', 'third')
expect(functions.configPathsAreGood()).to.be(true)
}
}
config.path.dest = 'c:\\'
expect(functions.configPathsAreGood()).to.be.a('string')
} else {
if (typeof process.env.HOME === 'string') {
config.path.dest = path.dirname(process.env.HOME)
expect(functions.configPathsAreGood()).to.be.a('string')
config.path.dest = path.join(config.path.dest, 'name') // path like '/Users/name'
expect(functions.configPathsAreGood()).to.be.a('string')
config.path.dest = path.join(config.path.dest, 'project') // path like '/Users/name/project'
expect(functions.configPathsAreGood()).to.be(true)
}
config.path.dest = '/'
expect(functions.configPathsAreGood()).to.be.a('string')
}
}) // it
}) // describe
//------------------------
// functions.destToSource
//------------------------
describe('destToSource', function() {
it('should convert destination path to source equivalent', function() {
let test = functions.destToSource(path.join(config.path.dest, 'about', 'index.html'))
expect(test).to.be(path.join(config.path.source, 'about', 'index.html'))
}) // it
}) // describe
//--------------------------
// functions.detectCaseDest
//--------------------------
describe('detectCaseDest', function() {
it('should return a valid string for the casing used on a destination volume', function() {
config.path.dest = path.join(testPath, 'detectCaseDest')
return functions.makeDirPath(config.path.dest, true).then(function(ok) {
expect(ok).to.be(true)
return functions.detectCaseDest()
}).then(function(theCase) {
expect(theCase).to.be.a('string')
expect(theCase).to.match(/^(case|nocase|lower|upper)$/)
return functions.removeDest(config.path.dest, false)
}).then(function(ok) {
expect(ok).to.be(true)
})
}) // it
}) // describe
//----------------------------
// functions.detectCaseSource
//----------------------------
describe('detectCaseSource', function() {
it('should return a valid string for the casing used on a source volume', function() {
config.path.source = path.join(testPath, 'detectCaseSource')
return functions.makeDirPath(config.path.source, true).then(function(ok) {
expect(ok).to.be(true)
return functions.detectCaseSource()
}).then(function(theCase) {
expect(theCase).to.be.a('string')
expect(theCase).to.match(/^(case|nocase|lower|upper)$/)
return functions.removeFile(config.path.source)
}).then(function(ok) {
expect(ok).to.be(true)
})
}) // it
}) // describe
//-------------------------
// functions.figureOutPath
//-------------------------
describe('figureOutPath', function() {
it('should resolve a relative path to an absolute version', function() {
expect(functions.figureOutPath('source') === config.path.source)
}) // it
it('should leave an absolute path as is', function() {
let imaginaryPath = path.join(shared.path.pwd, 'some', 'folder')
expect(functions.figureOutPath(imaginaryPath) === imaginaryPath)
}) // it
}) // describe
//----------------------
// functions.fileExists
//----------------------
describe('fileExists', function() {
it('should confirm that one file exists and another does not', function() {
return functions.fileExists(path.join(testPath, 'fileExists', 'file.txt')).then(function(exists) {
expect(exists).to.be(true)
}).then(function() {
functions.fileExists(path.join(testPath, 'fileExists', 'missing.txt')).then(function(exists) {
expect(exists).to.be(false)
})
})
}) // it
}) // describe
//-----------------------------
// functions.fileExistsAndTime
//-----------------------------
describe('fileExistsAndTime', function() {
it('should find out if a file exists and its modified time', function() {
let file = path.join(testPath, 'fileExistsAndTime', 'file.txt')
return functions.fileExistsAndTime(file).then(function(obj) {
expect(obj.exists).to.be(true)
expect(obj.mtime).to.be.a('number')
})
}) // it
}) // describe
//-------------------------
// functions.fileExtension
//-------------------------
describe('fileExtension', function() {
it('should return file extension in string', function() {
let test = functions.fileExtension('/conan/riddle-of-steel.txt')
expect(test).to.be('txt')
}) // it
}) // describe
//----------------------
// functions.filesExist
//----------------------
describe('filesExist', function() {
it('should confirm that one file exists and another does not', function() {
let file1 = path.join(testPath, 'filesExist', 'file.txt')
let file2 = path.join(testPath, 'filesExist', 'missing.txt')
return functions.filesExist([file1, file2]).then(function(exists) {
expect(exists).to.eql([true, false])
})
}) // it
}) // describe
//-----------------------------
// functions.filesExistAndTime
//-----------------------------
describe('filesExistAndTime', function() {
it('should find if one or both files exist and their modified times', function() {
let file1 = path.join(testPath, 'filesExistAndTime', 'file.txt')
let file2 = path.join(testPath, 'filesExistAndTime', 'missing.txt')
return functions.filesExistAndTime(file1, file2).then(function(obj) {
expect(obj.source.exists).to.be(true)
expect(obj.source.mtime).to.be.a('number')
expect(obj.dest.exists).to.be(false)
expect(obj.dest.mtime).to.be(0)
})
}) // it
}) // describe
//--------------------
// functions.fileSize
//--------------------
describe('fileSize', function() {
it('should should return the size of an existing file', function() {
let file = path.join(testPath, 'fileSize', 'file.txt')
return functions.fileSize(file).then(function(size) {
expect(size).to.be(3)
})
}) // it
it('should should return 0 for a missing file', function() {
let file = path.join(testPath, 'fileSize', 'missing.txt')
return functions.fileSize(file).then(function(size) {
expect(size).to.be(0)
})
}) // it
}) // describe
//--------------------
// functions.fileStat
//--------------------
describe('fileStat', function() {
it('should returns stats for a source file', function() {
config.path.source = path.join(testPath, 'fileStat', 'source')
return functions.fileStat(path.join(config.path.source, 'source.txt')).then(function(stat) {
expect(stat.size).to.be.a('number')
}) // it
}) // it
it('should returns stats for a dest file', function() {
config.path.dest = path.join(testPath, 'fileStat', 'dest')
return functions.fileStat(path.join(config.path.dest, 'dest.txt')).then(function(stat) {
expect(stat.size).to.be.a('number')
})
}) // it
it('should returns stats for file that is not located in the source or dest folder', function() {
config.path.source = path.join(testPath, 'fileStat', 'source')
config.path.dest = path.join(testPath, 'fileStat', 'dest')
return functions.fileStat(path.join(testPath, 'fileStat', 'root.txt')).then(function(stat) {
expect(stat.size).to.be.a('number')
})
}) // it
it('should returns an error for a file that does not exist', function() {
return functions.fileStat(path.join(testPath, 'fileStat', 'missing.txt')).then(function(stat) {
throw 'Should not have found file.'
}).catch(function(error) {
expect(error).to.be.an('object')
})
}) // it
}) // describe
//---------------------
// functions.findFiles
//---------------------
describe('findFiles', function() {
it('should find array of files', function() {
return functions.findFiles('mocha/files/functions/findFiles/*.js').then(function(files) {
expect(files).to.be.an('array')
expect(files).to.not.be.empty()
})
}) // it
}) // describe
//-----------------------
// functions.globOptions
//-----------------------
describe('globOptions', function() {
it('should return desired options', function() {
let obj = functions.globOptions()
let desired = {
'ignore' : '**/_*',
'nocase' : true,
'nodir' : true,
'realpath': true
}
expect(obj).to.eql(desired)
}) // it
it('should return desired options when include prefixes are disabled', function() {
config.includePrefix = '' // disable include prefixes
let obj = functions.globOptions()
let desired = {
'nocase' : true,
'nodir' : true,
'realpath': true
}
expect(obj).to.eql(desired)
}) // it
}) // describe
//------------------
// functions.inDest
//------------------
describe('inDest', function() {
it('should return true for a file in the destination folder', function() {
let folder = path.join(testPath, 'inDest', 'dest')
let file = path.join(folder, 'magikarp.png')
config.path.dest = folder
expect(functions.inDest(file)).to.be(true)
}) // it
it('should return false for a file that is not in the destination folder', function() {
let folder = path.join(testPath, 'inDest', 'dest')
let file = path.join(testPath, 'inDest', 'magikarp.png')
config.path.dest = folder
expect(functions.inDest(file)).to.be(false)
}) // it
}) // describe
//--------------------
// functions.initFeri
//--------------------
describe('initFeri', function() {
it('should create source and destination folders along with a custom config file', function() {
shared.path.pwd = path.join(testPath, 'initFeri')
config.path.source = path.join(testPath, 'initFeri', 'source')
config.path.dest = path.join(testPath, 'initFeri', 'dest')
let configFileName = (shared.slash === '\\') ? 'feri-config.js' : 'feri.js'
let configFile = path.join(testPath, 'initFeri', configFileName)
let files = [config.path.source, config.path.dest, configFile]
return functions.initFeri().then(function() {
return functions.filesExist(files)
}).then(function(filesExist) {
expect(filesExist).to.eql([true, true, true])
return functions.removeFiles(files)
}).then(function(filesRemoved) {
expect(filesRemoved).to.be(true)
})
}) // it
it('should create source and destination folders but not touch an existing custom config file', function() {
shared.path.pwd = path.join(testPath, 'initFeri', 'existingConfig')
config.path.source = path.join(shared.path.pwd, 'source')
config.path.dest = path.join(shared.path.pwd, 'dest')
let configFileName = (shared.slash === '\\') ? 'feri-config.js' : 'feri.js'
let configFile = path.join(shared.path.pwd, configFileName)
let files = [config.path.source, config.path.dest, configFile]
return functions.initFeri().then(function() {
return functions.filesExist(files)
}).then(function(filesExist) {
expect(filesExist).to.eql([true, true, true])
return functions.removeFiles([config.path.source, config.path.dest])
}).then(function(filesRemoved) {
expect(filesRemoved).to.be(true)
return functions.readFile(configFile)
}).then(function(data) {
expect(data).to.be('module.exports = function(feri) {}')
})
}) // it
}) // describe
//--------------------
// functions.inSource
//--------------------
describe('inSource', function() {
it('should return true for a source file path', function() {
let test = functions.inSource(path.join(config.path.source, 'index.md'))
expect(test).to.be(true)
}) // it
it('should return false for a dest file path', function() {
let test = functions.inSource(path.join(config.path.dest, 'index.html'))
expect(test).to.be(false)
}) // it
}) // describe
//------------------
// functions.isGlob
//------------------
describe('isGlob', function() {
it('should return true for various glob strings', function() {
expect(functions.isGlob('*')).to.be(true)
expect(functions.isGlob('?')).to.be(true)
expect(functions.isGlob('!')).to.be(true)
expect(functions.isGlob('+')).to.be(true)
expect(functions.isGlob('@')).to.be(true)
expect(functions.isGlob('(')).to.be(true)
expect(functions.isGlob(')')).to.be(true)
expect(functions.isGlob('[')).to.be(true)
expect(functions.isGlob(']')).to.be(true)
}) // it
it('should return false for non-glob strings', function() {
expect(functions.isGlob('hello')).to.be(false)
expect(functions.isGlob('i love you')).to.be(false)
expect(functions.isGlob('won\'t you tell me your name')).to.be(false)
}) // it
}) // describe
//---------------
// functions.log
//---------------
// Display a console message if logging is enabled.
// No need to test.
//--------------------
// functions.logError
//--------------------
// Log a stack trace or simple text string depending on the type of object passed in.
// No need to test.
//---------------------
// functions.logOutput
//---------------------
// Log a pretty output message with a relative looking path.
// No need to test.
//---------------------
// functions.logWorker
//---------------------
// Overly chatty logging utility used by build functions.
// No need to test.
//-----------------------
// functions.makeDirPath
//-----------------------
describe('makeDirPath', function() {
it('should create an entire path leading up to a file if needed', function() {
let pathToMake = path.join(testPath, 'makeDirPath')
return Promise.resolve().then(function() {
// remove folder
return functions.removeFile(pathToMake).then(function(ok) {
expect(ok).to.be(true)
})
}).then(function() {
return functions.makeDirPath(path.join(pathToMake, 'file.txt')).then(function(ok) {
expect(ok).to.be(true)
})
}).then(function() {
// remove folder
return functions.removeFile(pathToMake).then(function(ok) {
expect(ok).to.be(true)
})
})
}) // it
it('should create an entire path leading up to a folder if needed', function() {
let pathToMake = path.join(testPath, 'makeDirPath', 'folder')
return Promise.resolve().then(function() {
// remove folder
return functions.removeFile(pathToMake).then(function(ok) {
expect(ok).to.be(true)
})
}).then(function() {
// create the path
return functions.makeDirPath(pathToMake, true).then(function(ok) {
expect(ok).to.be(true)
})
}).then(function() {
// remove parent folder
return functions.removeFile(path.dirname(pathToMake)).then(function(ok) {
expect(ok).to.be(true)
})
})
}) // it
}) // describe
//---------------------------
// functions.mathRoundPlaces
//---------------------------
describe('mathRoundPlaces', function() {
it('should round a number to a certain amount of decimal places', function() {
let test = functions.mathRoundPlaces(1.153, 2)
expect(test).to.be(1.15)
}) // it
}) // describe
//------------------------------
// functions.normalizeSourceMap
//------------------------------
describe('normalizeSourceMap', function() {
let sourceMap = {
"version": 3,
"sources": ["source/js/javascript.js"],
"names": ["context_menu","e","window","event","eTarget","srcElement","target","nodeName","document","oncontextmenu"],
"mappings": "AAEA,QAASA,cAAaC,GAClB,IAAKA,EAAG,GAAIA,GAAIC,OAAOC,KACvB,IAAIC,GAAWF,OAAY,MAAID,EAAEI,WAAaJ,EAAEK,MAEhD,OAAwB,OAApBF,EAAQG,UAED,EAFX,OANJC,SAASC,cAAgBT",
"file": "javascript.js",
"sourceRoot": "/source-maps",
"sourcesContent": ["document.oncontextmenu = context_menu;\n \nfunction context_menu(e) {\n if (!e) var e = window.event;\n var eTarget = (window.event) ? e.srcElement : e.target;\n \n if (eTarget.nodeName == \"IMG\") {\n //context menu attempt on top of an image element\n return false;\n }\n}"]
}
let obj = {
source: 'source/js/javascript.js',
dest: 'dest/js/javascript.js',
data: sourceMap.sourcesContent[0]
}