kmx.io/prism.js/tests/helper/test-discovery.js

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• Hash : 5ade8a58
  Author :
  Date : 2015-10-06T08:25:54
  

  Test runner: Allow to run tests for only some languages

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• tests/helper/test-discovery.js

• "use strict";
  
  var fs = require("fs");
  var path = require("path");
  
  
  module.exports = {
  
  	/**
  	 * Loads the list of all available tests
  	 *
  	 * @param {string} rootDir
  	 * @returns {Object.<string, string[]>}
  	 */
  	loadAllTests: function (rootDir) {
  		var testSuite = {};
  		var self = this;
  
  		this.getAllDirectories(rootDir).forEach(
  			function (language) {
  				testSuite[language] = self.getAllFiles(path.join(rootDir, language));
  			}
  		);
  
  		return testSuite;
  	},
  
  	/**
  	 * Loads the list of available tests that match the given languages
  	 *
  	 * @param {string} rootDir
  	 * @param {string|string[]} languages
  	 * @returns {Object.<string, string[]>}
  	 */
  	loadSomeTests: function (rootDir, languages) {
  		var testSuite = {};
  		var self = this;
  
  		this.getSomeDirectories(rootDir, languages).forEach(
  			function (language) {
  				testSuite[language] = self.getAllFiles(path.join(rootDir, language));
  			}
  		);
  
  		return testSuite;
  	},
  
  
  	/**
  	 * Returns a list of all (sub)directories (just the directory names, not full paths)
  	 * in the given src directory
  	 *
  	 * @param {string} src
  	 * @returns {Array.<string>}
  	 */
  	getAllDirectories: function (src) {
  		return fs.readdirSync(src).filter(
  			function (file) {
  				return fs.statSync(path.join(src, file)).isDirectory();
  			}
  		);
  	},
  
  	/**
  	 * Returns a list of all (sub)directories (just the directory names, not full paths)
  	 * in the given src directory, matching the given languages
  	 *
  	 * @param {string} src
  	 * @param {string|string[]} languages
  	 * @returns {Array.<string>}
  	 */
  	getSomeDirectories: function (src, languages) {
  		var self = this;
  		return fs.readdirSync(src).filter(
  			function (file) {
  				return fs.statSync(path.join(src, file)).isDirectory() && self.directoryMatches(file, languages);
  			}
  		);
  	},
  
  	/**
  	 * Returns whether a directory matches one of the given languages.
  	 * @param {string} directory
  	 * @param {string|string[]} languages
  	 */
  	directoryMatches: function (directory, languages) {
  		if (!Array.isArray(languages)) {
  			languages = [languages];
  		}
  		var dirLanguages = directory.split(/!?\+!?/);
  		return dirLanguages.some(function (lang) {
  			return languages.indexOf(lang) >= 0;
  		});
  	},
  
  
  	/**
  	 * Returns a list of all full file paths to all files in the given src directory
  	 *
  	 * @private
  	 * @param {string} src
  	 * @returns {Array.<string>}
  	 */
  	getAllFiles: function (src) {
  		return fs.readdirSync(src).filter(
  			function (fileName) {
  				// only find files that have the ".test" extension
  				return ".test" === path.extname(fileName) &&
  					fs.statSync(path.join(src, fileName)).isFile();
  			}
  		).map(
  			function (fileName) {
  				return path.join(src, fileName);
  			}
  		);
  	}
  };
  

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