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index.js
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/*! * * Copyright (c) 2013 Sebastian Golasch * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ 'use strict'; // ext. libs var spawn = require('child_process').spawn; var optimist = require('optimist'); var path = require('path'); /** * Dalek Command Line Tools * * The command line interface is your interface to the world of DalekJS. * This is the way to run your tests. * There might be a web interface to Dalek in the future, but as long as there is not, you have to deal with this; * But hey, this isn't difficult & I know you can do it! * * Available options: * * > --version, -v Shows the version of the dalek-cli & local dalek installation * * > --reporter, -r Reporter(s) you would like to invoke * * > --driver, -d Driver(s) you would like to invoke * * > --browser, -b Browser(s) you would like to invoke * * > --viewport Viewport dimensions you would like to invoke * * > --remote Starts a dalek host server for clients to connect to * * > --logLevel, -l Log level, controls the amount of information outputted to the console (0 to 5) * * > --nocolors Disable colorized output in the console * * > --nosymbols Disable UTF-8 symbols in the console * * > --help, -h Displays the cli help * * @part CLI * @api */ module.exports = function () { var loadDalek = function (code, dalekPath, isCanary) { // Removing trailing newline from stdout. dalekPath = dalekPath.trim(); // If a local dalek isn't found, throw an error an exit if (code !== 127 && dalekPath) { var argv = optimist .usage('Usage: dalek [test files] {OPTIONS}') .wrap(80) .option('version', { alias: 'v', desc : 'Shows the version of the dalek-cli & local dalek installation' }) .option('reporter', { alias: 'r', type : 'string', desc : 'Reporter(s) you would like to invoke' }) .option('driver', { alias: 'd', type : 'string', desc : 'Driver(s) you would like to invoke' }) .option('browser', { alias: 'b', type : 'string', desc : 'Browser(s) you would like to invoke' }) .option('viewport', { type: 'integer', desc: 'Viewport dimensions you would like to invoke' }) .option('baseUrl', { alias: 'u', type : 'string', desc : 'Base URL to append all .open()\'s with if relative path is given' }) .option('logLevel', { alias: 'l', type : 'string', desc : 'Log level, controls the amount of information outputted to the console (0 to 5)' }) .option('remote', { type: 'integer', desc: 'Starts a dalek host server for clients to connect to' }) .option('nocolors', { type : 'boolean', desc : 'Disable colorized output in the console' }) .option('nosymbols', { type : 'boolean', desc : 'Disable UTF-8 symbols in the console' }) .option('help', { alias : 'h', desc : 'Show this message' }) .check(function (argv) { // output some version info if (argv.version) { // load the versions var fs = require('fs'); var localVersion = JSON.parse(fs.readFileSync(dalekPath.replace('lib'+path.sep+'dalek.js', 'package.json'))).version; var cliVersion = JSON.parse(fs.readFileSync(__dirname + '/package.json')).version; console.log('DalekJS CLI Tools Version:', cliVersion); console.log('DalekJS', (isCanary ? 'Canary' : '') ,'local install:', localVersion); console.log('Brought to you with love by:', 'Sebastian Golasch (@asciidisco) 2013'); console.log(''); throw ''; } // show help if (argv.help) { throw ''; } }) .argv; // building viewport option var viewportDimensions, viewportWidth, viewportHeight, viewportOption; if( argv.viewport ) { viewportDimensions = argv.viewport.split(','); viewportWidth = +viewportDimensions[0]; viewportHeight = +viewportDimensions[1]; viewportOption = ( isNaN( viewportWidth ) || isNaN( viewportHeight ) ) ? {} : { width: viewportWidth, height: viewportHeight }; } // run dalekjs var Dalek = require(dalekPath); var dalek = new Dalek({ tests: argv._, driver: argv.driver ? argv.driver.split(',') : [], reporter: argv.reporter ? argv.reporter.split(',') : [], browser: argv.browser ? argv.browser.split(',') : [], viewport: argv.viewport ? viewportOption : {}, logLevel: argv.logLevel, baseUrl: argv.baseUrl, noColors: argv.nocolors, noSymbols: argv.nosymbols, remote: argv.remote }); dalek.run(); } else { // check if the version flag is given, then spit out additional version info if (process.argv[2] && (process.argv[2] === '-v' || process.argv[2] === '--version')) { var fs = require('fs'); var cliVersion = JSON.parse(fs.readFileSync(__dirname + '/package.json')).version; console.log('DalekJS CLI Tools Version:', cliVersion); console.log('Brought to you with love by:', 'Sebastian Golasch (@asciidisco) 2013'); } else { console.log('No local DalekJS installation found'); console.log('Please follow the instruction here: http://dalekjs.com/pages/getStarted.html'); process.exit(127); } } }; // Search for installed dalek by using node's built-in require() logic. var child = spawn(process.execPath, ['-p', '-e', 'require.resolve("dalekjs")']); var dalekpath = ''; child.stdout.on('data', function (data) { dalekpath += data; }); // when the child process exists, dalek-cli will check // if a local dalekjs installation exists, if so, // it will check the parameters child.on('exit', function(code) { // check for canary if (!dalekpath) { var canaryChild = spawn(process.execPath, ['-p', '-e', 'require.resolve("dalekjs-canary")']); var canarypath = ''; canaryChild.stdout.on('data', function (data) { canarypath += data; }); canaryChild.on('exit', function(code) { loadDalek(code, canarypath, true); }); } else { loadDalek(code, dalekpath, false); } }); };