diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..752d50e --- /dev/null +++ b/.gitignore @@ -0,0 +1,126 @@ +# Created by https://www.gitignore.io/api/node,osx,windows,linux + +### Linux ### +*~ + +# temporary files which can be created if a process still has a handle open of a deleted file +.fuse_hidden* + +# KDE directory preferences +.directory + +# Linux trash folder which might appear on any partition or disk +.Trash-* + +# .nfs files are created when an open file is removed but is still being accessed +.nfs* + +### Node ### +# Logs +logs +*.log +npm-debug.log* +yarn-debug.log* +yarn-error.log* + +# Runtime data +pids +*.pid +*.seed +*.pid.lock + +# Directory for instrumented libs generated by jscoverage/JSCover +lib-cov + +# Coverage directory used by tools like istanbul +coverage + +# nyc test coverage +.nyc_output + +# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) +.grunt + +# Bower dependency directory (https://bower.io/) +bower_components + +# node-waf configuration +.lock-wscript + +# Compiled binary addons (http://nodejs.org/api/addons.html) +build/Release + +# Dependency directories +node_modules/ +jspm_packages/ + +# Typescript v1 declaration files +typings/ + +# Optional npm cache directory +.npm + +# Optional eslint cache +.eslintcache + +# Optional REPL history +.node_repl_history + +# Output of 'npm pack' +*.tgz + +# Yarn Integrity file +.yarn-integrity + +# dotenv environment variables file +.env + + +### OSX ### +*.DS_Store +.AppleDouble +.LSOverride + +# Icon must end with two \r +Icon + + +# Thumbnails +._* + +# Files that might appear in the root of a volume +.DocumentRevisions-V100 +.fseventsd +.Spotlight-V100 +.TemporaryItems +.Trashes +.VolumeIcon.icns +.com.apple.timemachine.donotpresent + +# Directories potentially created on remote AFP share +.AppleDB +.AppleDesktop +Network Trash Folder +Temporary Items +.apdisk + +### Windows ### +# Windows thumbnail cache files +Thumbs.db +ehthumbs.db +ehthumbs_vista.db + +# Folder config file +Desktop.ini + +# Recycle Bin used on file shares +$RECYCLE.BIN/ + +# Windows Installer files +*.cab +*.msi +*.msm +*.msp + +# Windows shortcuts +*.lnk diff --git a/data/one.txt b/data/one.txt new file mode 100644 index 0000000..c94d1dd --- /dev/null +++ b/data/one.txt @@ -0,0 +1 @@ +This is a great thing to talk about because I have nothing else to say diff --git a/data/three.txt b/data/three.txt new file mode 100644 index 0000000..aa9363c --- /dev/null +++ b/data/three.txt @@ -0,0 +1 @@ +Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. diff --git a/data/two.txt b/data/two.txt new file mode 100644 index 0000000..e39e0fd --- /dev/null +++ b/data/two.txt @@ -0,0 +1 @@ +lah dee friggen dah, har dee harr harr. Boop da woop diff --git a/index.js b/index.js new file mode 100644 index 0000000..50e5d8f --- /dev/null +++ b/index.js @@ -0,0 +1,5 @@ +'use-strict'; + +const fileReader = require('./lib/file-reader.js'); + +fileReader.readAllFiles(); diff --git a/lib/file-reader.js b/lib/file-reader.js new file mode 100644 index 0000000..ed387b6 --- /dev/null +++ b/lib/file-reader.js @@ -0,0 +1,44 @@ +'use-strict'; + +const fs = require('fs'); + +module.exports = exports = {}; + +exports.readSingleFile = function(file, callback) { + fs.readFile(file, function(err, data) { + if(err) return callback(err); + var buffer = new Buffer(data); + var hexData = buffer.toString('hex', 0, 8); + + return callback(null, hexData); + }); +}; + +var paths = [ + `${__dirname}/../data/one.txt`, + `${__dirname}/../data/two.txt`, + `${__dirname}/../data/three.txt` +]; + +exports.readAllFiles = function(pathArray, callback) { + var results = []; + fs.readFile(pathArray[0], function(err, data){ + if(err) return callback(err); + results.push(data.toString('hex', 0, 8)); + + fs.readFile(pathArray[1], function(err, data){ + if(err) return callback(err); + results.push(data.toString('hex', 0, 8)); + + fs.readFile(pathArray[2], function(err, data){ + if(err) return callback(err); + results.push(data.toString('hex', 0, 8)); + callback(null, results); + }); + }); + }); +}; + +// exports.readAllFiles(paths, function(err, data){ +// console.log('data', data); +// }); diff --git a/package.json b/package.json new file mode 100644 index 0000000..f5f9257 --- /dev/null +++ b/package.json @@ -0,0 +1,28 @@ +{ + "name": "03-parallel_file_processing", + "version": "1.0.0", + "description": "![CF](https://camo.githubusercontent.com/70edab54bba80edb7493cad3135e9606781cbb6b/687474703a2f2f692e696d6775722e636f6d2f377635415363382e706e67) Lab 03: Parallel File Processing ===", + "main": "index.js", + "directories": { + "test": "test" + }, + "scripts": { + "test": "echo \"Error: no test specified\" && exit 1" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/npisciotti1/03-parallel_file_processing.git" + }, + "keywords": [], + "author": "", + "license": "ISC", + "bugs": { + "url": "https://github.com/npisciotti1/03-parallel_file_processing/issues" + }, + "homepage": "https://github.com/npisciotti1/03-parallel_file_processing#readme", + "devDependencies": { + "chai": "^3.5.0", + "mocha": "^3.2.0", + "mocha-test": "^2.0.3" + } +} diff --git a/test/file-reader-test.js b/test/file-reader-test.js new file mode 100644 index 0000000..02fce47 --- /dev/null +++ b/test/file-reader-test.js @@ -0,0 +1,40 @@ +'use-strict'; + +const expect = require('chai').expect; +const fileReader = require('../lib/file-reader.js'); + + + + + +describe('File Reader', function() { + describe('Hex values should display in order.', function() { + before((done) => { + this.paths = [ + `${__dirname}/../data/one.txt`, + `${__dirname}/../data/two.txt`, + `${__dirname}/../data/three.txt` + ]; + done(); + }); + it('should test pathArray and correctly log each result', (done) => { + var expectedResults = ['5468697320697320', '6c61682064656520', '4c6f72656d206970']; + fileReader.readAllFiles(this.paths, function(err, data) { + expect(err).to.equal(null); + expect(data[0]).to.equal(expectedResults[0]); + expect(data[1]).to.equal(expectedResults[1]); + expect(data[2]).to.equal(expectedResults[2]); + console.log('data', data); + done(); + }); + }); + }); + describe('An incorrect file-path should fail', function() { + it('should throw an error', function(done) { + fileReader.readSingleFile(`${__dirname}/../data/bullshit.txt`, function(err, data) { + expect(err).to.be.an('error'); + done(); + }); + }); + }); +});