express-tongue/tests/suite/localization.js

Localization library for Express. It works with every template engine and exposes a json endpoint to consume on client side.

/**
 * @author: Carlos Luis Castro Márquez
 */

const expect = require("chai").expect;
const app = require("../server").app;
const request = require("supertest");

describe("Localization", function () {
    it("localization endpoint available", function (done) {
        request(app)
            .get("/i18n")
            .expect(200)
            .end(function (err, res) {
                expect(res.body).to.not.null();
                const json = res.body;
                expect(json).to.be.an("object");
                expect(json.lang).to.be.a("string");
                expect(json.language).to.be.a("string");
                expect(json.strings).to.be.a("object");
                done(err);
            });
    });

    it("localization languages available", function (done) {
        request(app)
            .get("/i18n/languages")
            .expect(200)
            .end(function (err, res) {
                expect(res.body).to.not.null();
                const json = res.body;
                expect(json).to.be.an("array");
                done(err);
            });
    });

    it("localization strings available", function (done) {
        request(app)
            .get("/i18n/strings")
            .expect(200)
            .end(function (err, res) {
                expect(res.body).to.not.null();
                const json = res.body;
                expect(json).to.be.an("object");
                expect(json.test).to.not.null();
                done(err);
            });
    });

    it("localization in default lang (en)", function (done) {
        request(app)
            .get("/i18n")
            .expect(200)
            .end(function (err, res) {
                expect(res.body).to.not.null();
                const json = res.body;
                expect(json).to.be.an("object");
                expect(json.lang).to.be.a("string");
                expect(json.language).to.be.a("string");
                expect(json.strings).to.be.a("object");
                expect(json.lang).to.equal("en");
                done(err);
            });
    });

    it("localization in spanish using User-Agent", function (done) {
        request(app)
            .get("/i18n")
            .set("Accept-Language", "es")
            .expect(200)
            .end(function (err, res) {
                expect(res.body).to.not.null();
                const json = res.body;
                expect(json).to.be.an("object");
                expect(json.lang).to.be.a("string");
                expect(json.language).to.be.a("string");
                expect(json.strings).to.be.a("object");
                expect(json.lang).to.equal("es");
                done(err);
            });
    });

    it("localization in spanish using QueryString", function (done) {
        request(app)
            .get("/i18n?hl=es")
            .expect(200)
            .end(function (err, res) {
                expect(res.body).to.not.null();
                const json = res.body;
                expect(json).to.be.an("object");
                expect(json.lang).to.be.a("string");
                expect(json.language).to.be.a("string");
                expect(json.strings).to.be.a("object");
                expect(json.lang).to.equal("es");
                expect("set-cookie", "cookie=xp_i18n_lang; Path=/");
                done(err);
            });
    });

    after(function () {
        process.exit();
    });
});