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import { opine } from "../../mod.ts";import { expect, superdeno } from "../deps.ts";import { describe, it } from "../utils.ts";
describe("res", function () {  describe(".json(object)", function () {    it("should not support jsonp callbacks", function (done) {      const app = opine();
      app.use(function (req, res) {        res.json({ foo: "bar" });      });
      superdeno(app)        .get("/?callback=foo")        .expect('{"foo":"bar"}', done);    });
    it("should not override previous Content-Types", function (done) {      const app = opine();
      app.get("/", function (req, res) {        res.type("application/vnd.example+json");        res.json({ hello: "world" });      });
      superdeno(app)        .get("/")        .expect("Content-Type", "application/vnd.example+json")        .expect(200, '{"hello":"world"}', done);    });
    describe("when given primitives", function () {      it("should respond with json for null", function (done) {        const app = opine();
        app.use(function (req, res) {          res.json(null);        });
        superdeno(app)          .get("/")          .expect("Content-Type", "application/json; charset=utf-8")          .expect(200, "null", done);      });
      it("should respond with json for Number", function (done) {        const app = opine();
        app.use(function (req, res) {          res.json(300);        });
        superdeno(app)          .get("/")          .expect("Content-Type", "application/json; charset=utf-8")          .expect(200, "300", done);      });
      it("should respond with json for String", function (done) {        const app = opine();
        app.use(function (req, res) {          res.json("str");        });
        superdeno(app)          .get("/")          .expect("Content-Type", "application/json; charset=utf-8")          .expect(200, '"str"', done);      });    });
    describe("when given an array", function () {      it("should respond with json", function (done) {        const app = opine();
        app.use(function (req, res) {          res.json(["foo", "bar", "baz"]);        });
        superdeno(app)          .get("/")          .expect("Content-Type", "application/json; charset=utf-8")          .expect(200, '["foo","bar","baz"]', done);      });    });
    describe("when given an object", function () {      it("should respond with json", function (done) {        const app = opine();
        app.use(function (req, res) {          res.json({ name: "deno" });        });
        superdeno(app)          .get("/")          .expect("Content-Type", "application/json; charset=utf-8")          .expect(200, '{"name":"deno"}', done);      });    });
    describe('"json escape" setting', function () {      it("should be undefined by default", function () {        const app = opine();        expect(app.get("json escape")).toEqual(undefined);      });
      it("should unicode escape HTML-sniffing characters", function (done) {        const app = opine();
        app.enable("json escape");
        app.use(function (req, res) {          res.json({ "&": "<script>" });        });
        superdeno(app)          .get("/")          .expect("Content-Type", "application/json; charset=utf-8")          .expect(200, '{"\\u0026":"\\u003cscript\\u003e"}', done);      });    });
    describe('"json replacer" setting', function () {      it("should be passed to JSON.stringify()", function (done) {        const app = opine();
        app.set("json replacer", function (key: string, val: string) {          return key[0] === "_" ? undefined : val;        });
        app.use(function (req, res) {          res.json({ name: "deno", _id: 12345 });        });
        superdeno(app)          .get("/")          .expect("Content-Type", "application/json; charset=utf-8")          .expect(200, '{"name":"deno"}', done);      });    });
    describe('"json spaces" setting', function () {      it("should be undefined by default", function () {        const app = opine();        expect(app.get("json spaces")).toEqual(undefined);      });
      it("should be passed to JSON.stringify()", function (done) {        const app = opine();
        app.set("json spaces", 2);
        app.use(function (req, res) {          res.json({ name: "deno", age: 2 });        });
        superdeno(app)          .get("/")          .expect("Content-Type", "application/json; charset=utf-8")          .expect(200, '{\n  "name": "deno",\n  "age": 2\n}', done);      });    });  });});