describe("app.pages.SinglePostViewer", function(){ beforeEach(function() { window.gon={};gon.post = {id: 42}; this.view = new app.pages.SinglePostViewer(); }); context("#initialize", function() { it("uses post-id from gon", function() { expect(this.view.model.id).toBe(gon.post.id); }); }); });