test-discovery.js
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"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);
}
);
}
};