import Sinon = require("sinon"); import Express = require("express"); import Assert = require("assert"); import Get404 from "../../../../../../src/server/lib/routes/error/404/get"; describe("Server error 404", function () { it("should render the page", function () { const req = {} as Express.Request; const res = { render: Sinon.stub() }; return Get404(req, res as any) .then(function () { Assert(res.render.calledOnce); Assert(res.render.calledWith("errors/404")); }); }); });