Accessing ‘private’ JavaScript variables from Unit Tests

BasicObjectWithPrivates.js

function MyClass(){
    function privateMember(){
        
    }
    function publicMember(){
        privateMember.apply(this);
    }
    this.publicMember = publicMember;
}

ExposePrivates.js

function MyClass(){
    function privateMember(){
        
    }
    function publicMember(){
        privateMember.apply(this);
    }
    this.publicMember = publicMember;
    if(jasmine){
      this.privateMember = privateMember;
    }
}

TowersOfHanoi.js

function MyClass(){
    function privateMember(){
        
    }
    function publicMember(){
        privateMember.apply(this);
    }
    var oldPrivateMember;
    this.publicMember = publicMember;
    if(jasmine){
        if(oldPrivateMember){
            privateMember = oldPrivateMember;
        } else {
            oldPrivateMember = privateMember;
        }
        this.privateMember = privateMember;
        privateMember = (function(){
            this.privateMember();
        }).bind(this);
    }
}