requirejs mocking

blah.js

// what are you trying to mock...?

function Class1() {
  this.class2var = new Class2()
}

function Class2() {

  throw new Error( 'not implemented or too hard to test against' )
}

// test

// do you want to stub out class2?

// substitute the class 2 function
// and also return an array
Class2 = stub.create().andReturn( [] )

// bleh, too lazy to write the function
// check that the class doesn't throw.  if we didn't fake out the Class2
// constructor, it would throw and the test would fail
assert( new Class1() , doesNotThrow )