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import opine from "../../mod.ts";import { describe, it } from "../utils.ts";import { superdeno } from "../deps.ts";import { expect } from "../deps.ts";
describe("res", function () {  describe(".set(field, value)", function () {    it("should set the response header field", function (done) {      const app = opine();
      app.use(function (req, res) {        res.set("Content-Type", "text/x-foo; charset=utf-8").end();      });
      superdeno(app)        .get("/")        .expect("Content-Type", "text/x-foo; charset=utf-8")        .end(done);    });
    it("should coerce value to string", function (done) {      const app = opine();
      app.use(function (req, res) {        res.set("X-Number", 123 as any);        res.set(          "Access-Control-Allow-Methods",          ["POST", "GET", "OPTIONS"] as any,        );        res.end(typeof res.get("X-Number"));      });
      superdeno(app)        .get("/")        .expect("Access-Control-Allow-Methods", "POST,GET,OPTIONS")        .expect("X-Number", "123")        .expect(200, "string", done);    });
    it("should not set a charset of one is already set", function (done) {      const app = opine();
      app.use(function (req, res) {        res.set("Content-Type", "text/html; charset=lol");        res.end();      });
      superdeno(app)        .get("/")        .expect("Content-Type", "text/html; charset=lol")        .expect(200, done);    });  });
  describe(".set(object)", function () {    it("should set multiple fields", function (done) {      const app = opine();
      app.use(function (req, res) {        res.set({          "X-Foo": "bar",          "X-Bar": "baz",        }).end();      });
      superdeno(app)        .get("/")        .expect("X-Foo", "bar")        .expect("X-Bar", "baz")        .end(done);    });
    it("should coerce value to a string", function (done) {      const app = opine();
      app.use(function (req, res) {        res.set(          {            "X-Number": 123 as any,            "Access-Control-Allow-Methods": ["POST", "GET", "OPTIONS"] as any,          },        );        res.end(typeof res.get("X-Number"));      });
      superdeno(app)        .get("/")        .expect("X-Number", "123")        .expect("access-control-allow-methods", "POST,GET,OPTIONS")        .expect(200, "string", done);    });  });});