mocha-aura test class overview

FUNcon-2017-testClass

const helper = require('aura/FormFields/FormFieldsHelper');
@isTest
class FormFieldsController {

    @runBefore
    before() {
        global.$A = auraFactory();
        this.sandbox = sinon.sandbox.create();
        global.document = {getElementById: () => {} }
    }

    @runAfter
    after() {
        delete global.$A;
        delete global.document;
    }
    
    @runBeforeEach
    beforeEach() {
        this.sandbox.stub(helper)
    }
    
    @runAfterEach
    afterEach() {
        this.sandbox.restore()
    }
  //...
}
classyRegister(FormFieldsController);