codabrink

var response_spy = sinon.spy();

$(document).on("recipes.response_details", response_spy);
$(document).trigger("recipes.request_details", { guid: "123"});

// Now there should be a  pending AJAX request to the server.

var req = this.last_xhr_request();

// You can inspect it ot make sure it's going to the right URL, etc. (look at other tests).