Mocking AMD modules

gistfile1.js

// Idea that you can use the 'paths' property to swap in a mock AMD module
// during testing.

-- test/runner.html

 23       var guardian = { 
 24         page: { 
 25             omnitureAccount: "guardiangu-fake"  
 26               }, 
 27         js: { 
 28             modules: { 
 29                 bean: 'vendor/bean-0.4.11-1/bean', 
 30                 domReady: 'vendor/require-2.0.2/plugins/domReady', 
 31                 detect: 'mocks/detect' // <-------- mock path 
 32                 }       
 33             } 
 34         }; 
 35  
 36         requirejs.config({ 
 37             paths: guardian.js.modules 
 38         }); 

-- ./mocks/detect.js

  2 define([], function(){
  3     return {
  4         speed: 'slow',
  5         getLayoutMode: function() { return 1; },
  6         getConnectionSpeed: function(){ return this.speed; }
  7     }
  8 });

-- ./src/foo.js <-- production code using the 'detect' module

  1 define(['detect'], function() {
  2   return { foo = function(){ detect.getConnectionSpeed(); } }
  3 }

-- ./spec/foo.js <-- test code includes the production src module

  1 define(['foo'], function() {
  2   it("should ...", function(){
  3       // test 
  4   });
  5 }