134 lines
3.8 KiB
JavaScript
134 lines
3.8 KiB
JavaScript
/**
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* {{LICENSE_HEADER}}
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* {{LICENSE_HEADER}}
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**/
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/**
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* This node module acts as a mock for requirejs and allows you to
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* define your own dependencies in your tests. It also removes the
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* asynchronous character of dependency loading, so you don't need
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* to handle everthing in the callbacks.
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*
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* Per default it resolves the 'logging' dependency by routing it
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* to console.
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*
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**/
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var path = require('path');
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var registeredDependencies = {};
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/**
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* Mock for the requirejs(dependencyList, callback) function, loads
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* all dependencies that have been registered under the given names
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* in dependencies and calls fn with them as the parameter
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*
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**/
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var debug = false;
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var requireJsMock = function(dependencies, fn) {
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var fnArgs = [];
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for (var i=0;i<dependencies.length;i++) {
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if (typeof registeredDependencies[dependencies[i]] === "undefined") {
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if (debug === true)
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console.warn("Unknown dependency "+dependencies[i]+" in define()");
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}
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fnArgs.push(registeredDependencies[dependencies[i]]);
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}
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fn.apply(this,fnArgs);
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};
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/**
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* Mock for the 'define' function of requireJS, behaves exactly the same
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* except that it looks up the dependencies in the list provided by registerDepencies()
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* A module that hasn't been defined with a name can be fetched with getDefined() (without parameter)
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*
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**/
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var defineMock = function() {
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var fn = function() {},
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fnargs = [],
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currentArg = 0,
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scopeName = '__define__';
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do {
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var argType = typeof arguments[currentArg];
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if( argType === "string") {
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scopeName = arguments[currentArg];
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currentArg++;
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continue;
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} else if (argType === "function") {
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fn = arguments[currentArg];
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} else if (Array.isArray(arguments[currentArg])) {
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var argList = arguments[currentArg];
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fn = arguments[currentArg+1];
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for (var i=0;i<argList.length;i++) {
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if (typeof registerDependencies[argList[i]] === "undefined" && debug) {
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console.warn("Unknown dependency "+argList[i]+" in define()");
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}
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fnargs.push(registeredDependencies[argList[i]]);
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}
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}
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break;
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} while(true);
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registeredDependencies[scopeName] = fn.apply(this,fnargs);
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};
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/**
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* Called on module initialisation, will register the
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* requirejs, define and jquery '$' methods globally
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* and also purge any module-global dependencies
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*
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**/
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function initRequireMethods() {
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GLOBAL.$ = require('jquery');
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GLOBAL.requirejs = requireJsMock;
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GLOBAL.define = defineMock;
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registeredDependencies = {
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'jquery' : GLOBAL.$,
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'logging' : console
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};
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}
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initRequireMethods();
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/**
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* Resets all additional dependencies, i.e. all dependencies
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* without a name
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**/
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function purgeDependencies() {
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registeredDependencies = {
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'jquery' : GLOBAL.$,
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'logging' : console
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};
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}
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// helper to log debug messages with console
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console.debug = console.log;
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/**
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* Registers a name=>object map of dependencies
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* for lookup with requirejs()/define()
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**/
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function registerDependencies(obj) {
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for(var name in obj) {
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registeredDependencies[name] = obj[name];
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}
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}
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var base = path.normalize(__dirname+"../../../../public/js");
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GLOBAL.requireNew = function(key) {
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key = path.normalize(base+"/"+key);
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delete require.cache[key];
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return require(key);
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};
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/**
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* The API for this module
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**/
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module.exports = {
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purgeDependencies: purgeDependencies,
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registerDependencies: registerDependencies,
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getDefine: function(name) {
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if (typeof name === "undefined") {
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return registeredDependencies.__define__;
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} else {
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return registeredDependencies[name];
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}
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}
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};
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