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import { opine } from "../../mod.ts";import { superdeno } from "../deps.ts";import { describe, it } from "../utils.ts";
// Custom Host headers removed in Deno 1.12.0 meaning the majority// of these tests cannot be used.//// REF: https://github.com/denoland/deno/issues/11017
describe("req", function () {  describe(".hostname", function () {    it("should return the Host", function (done) {      const app = opine();
      app.use(function (req, res) {        res.end(req.hostname);      });
      superdeno(app)        .post("/")        .expect("127.0.0.1", done);    });
    // it("should return the Host when present", function (done) {    //   const app = opine();
    //   app.use(function (req, res) {    //     res.end(req.hostname);    //   });
    //   superdeno(app)    //     .post("/")    //     .set("Host", "example.com")    //     .expect("example.com", done);    // });
    // it("should strip port number", function (done) {    //   const app = opine();
    //   app.use(function (req, res) {    //     res.end(req.hostname);    //   });
    //   superdeno(app)    //     .post("/")    //     .set("Host", "example.com:3000")    //     .expect("example.com", done);    // });
    it("should return undefined otherwise", function (done) {      const app = opine();
      app.use(function (req, res) {        req.headers.delete("host");        res.end(String(req.hostname));      });
      superdeno(app)        .post("/")        .expect("undefined", done);    });
    // it("should work with IPv6 Host", function (done) {    //   const app = opine();
    //   app.use(function (req, res) {    //     res.end(req.hostname);    //   });
    //   superdeno(app)    //     .post("/")    //     .set("Host", "[::1]")    //     .expect("[::1]", done);    // });
    // it("should work with IPv6 Host and port", function (done) {    //   const app = opine();
    //   app.use(function (req, res) {    //     res.end(req.hostname);    //   });
    //   superdeno(app)    //     .post("/")    //     .set("Host", "[::1]:3000")    //     .expect("[::1]", done);    // });
    describe('when "trust proxy" is enabled', function () {      it("should respect X-Forwarded-Host", function (done) {        const app = opine();
        app.enable("trust proxy");
        app.use(function (req, res) {          res.end(req.hostname);        });
        superdeno(app)          .get("/")          .set("X-Forwarded-Host", "example.com:3000")          .expect("example.com", done);      });
      it("should ignore X-Forwarded-Host if socket addr not trusted", function (        done,      ) {        const app = opine();
        app.set("trust proxy", "10.0.0.1");
        app.use(function (req, res) {          res.end(req.hostname);        });
        superdeno(app)          .get("/")          .set("X-Forwarded-Host", "example.com")          .expect("127.0.0.1", done);      });
      // it("should default to Host", function (done) {      //   const app = opine();
      //   app.enable("trust proxy");
      //   app.use(function (req, res) {      //     res.end(req.hostname);      //   });
      //   superdeno(app)      //     .get("/")      //     .set("Host", "example.com")      //     .expect("example.com", done);      // });
      describe("when multiple X-Forwarded-Host", function () {        it("should use the first value", function (done) {          const app = opine();
          app.enable("trust proxy");
          app.use(function (req, res) {            res.send(req.hostname);          });
          superdeno(app)            .get("/")            .set("X-Forwarded-Host", "example.com, foobar.com")            .expect(200, "example.com", done);        });
        it("should remove OWS around comma", function (done) {          const app = opine();
          app.enable("trust proxy");
          app.use(function (req, res) {            res.send(req.hostname);          });
          superdeno(app)            .get("/")            .set("X-Forwarded-Host", "example.com , foobar.com")            .expect(200, "example.com", done);        });
        it("should strip port number", function (done) {          const app = opine();
          app.enable("trust proxy");
          app.use(function (req, res) {            res.send(req.hostname);          });
          superdeno(app)            .get("/")            .set("X-Forwarded-Host", "example.com:8080 , foobar.com:8888")            .expect(200, "example.com", done);        });      });    });
    describe('when "trust proxy" is disabled', function () {      it("should ignore X-Forwarded-Host", function (done) {        const app = opine();
        app.use(function (req, res) {          res.end(req.hostname);        });
        superdeno(app)          .get("/")          .set("X-Forwarded-Host", "evil")          .expect("127.0.0.1", done);      });    });  });});