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import { opine } from "../../mod.ts";import { superdeno } from "../deps.ts";import { describe, it } from "../utils.ts";
describe("res", function () {  describe(".location(url)", function () {    it("should set the header", function (done) {      const app = opine();
      app.use(function (req, res) {        res.location("http://google.com").end();      });
      superdeno(app)        .get("/")        .expect("Location", "http://google.com")        .expect(200, done);    });
    it('should encode "url"', function (done) {      const app = opine();
      app.use(function (req, res) {        res.location("https://google.com?q=\u2603 §10").end();      });
      superdeno(app)        .get("/")        .expect("Location", "https://google.com?q=%E2%98%83%20%C2%A710")        .expect(200, done);    });
    it('should not touch already-encoded sequences in "url"', function (done) {      const app = opine();
      app.use(function (req, res) {        res.location("https://google.com?q=%A710").end();      });
      superdeno(app)        .get("/")        .expect("Location", "https://google.com?q=%A710")        .expect(200, done);    });
    describe('when url is "back"', function () {      it('should set location from "Referer" header', function (done) {        const app = opine();
        app.use(function (req, res) {          res.location("back").end();        });
        superdeno(app)          .get("/")          .set("Referer", "/some/page.html")          .expect("Location", "/some/page.html")          .expect(200, done);      });
      it('should set location from "Referrer" header', function (done) {        const app = opine();
        app.use(function (req, res) {          res.location("back").end();        });
        superdeno(app)          .get("/")          .set("Referrer", "/some/page.html")          .expect("Location", "/some/page.html")          .expect(200, done);      });
      it('should prefer "Referrer" header', function (done) {        const app = opine();
        app.use(function (req, res) {          res.location("back").end();        });
        superdeno(app)          .get("/")          .set("Referer", "/some/page1.html")          .set("Referrer", "/some/page2.html")          .expect("Location", "/some/page2.html")          .expect(200, done);      });
      it('should set the header to "/" without referrer', function (done) {        const app = opine();
        app.use(function (req, res) {          res.location("back").end();        });
        superdeno(app)          .get("/")          .expect("Location", "/")          .expect(200, done);      });    });  });});