93 lines
3.7 KiB
JavaScript
93 lines
3.7 KiB
JavaScript
const expect = chai.expect;
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import _, { Localizer, l10n } from '../app/localization.js';
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describe('Localization', function () {
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"use strict";
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describe('Singleton', function () {
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it('should export a singleton object', function () {
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expect(l10n).to.be.instanceOf(Localizer);
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});
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it('should export a singleton translation function', function () {
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// FIXME: Can we use some spy instead?
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l10n.dictionary = { "Foobar": "gazonk" };
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expect(_("Foobar")).to.equal("gazonk");
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});
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});
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describe('language selection', function () {
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let origNavigator;
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beforeEach(function () {
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// window.navigator is a protected read-only property in many
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// environments, so we need to redefine it whilst running these
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// tests.
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origNavigator = Object.getOwnPropertyDescriptor(window, "navigator");
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Object.defineProperty(window, "navigator", {value: {}});
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window.navigator.languages = [];
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});
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afterEach(function () {
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Object.defineProperty(window, "navigator", origNavigator);
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});
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it('should use English by default', function () {
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let lclz = new Localizer();
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expect(lclz.language).to.equal('en');
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});
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it('should use English if no user language matches', function () {
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window.navigator.languages = ["nl", "de"];
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let lclz = new Localizer();
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lclz.setup(["es", "fr"]);
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expect(lclz.language).to.equal('en');
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});
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it('should fall back to generic English for other English', function () {
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window.navigator.languages = ["en-AU", "de"];
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let lclz = new Localizer();
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lclz.setup(["de", "fr", "en-GB"]);
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expect(lclz.language).to.equal('en');
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});
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it('should prefer specific English over generic', function () {
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window.navigator.languages = ["en-GB", "de"];
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let lclz = new Localizer();
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lclz.setup(["de", "en-AU", "en-GB"]);
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expect(lclz.language).to.equal('en-GB');
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});
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it('should use the most preferred user language', function () {
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window.navigator.languages = ["nl", "de", "fr"];
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let lclz = new Localizer();
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lclz.setup(["es", "fr", "de"]);
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expect(lclz.language).to.equal('de');
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});
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it('should prefer sub-languages languages', function () {
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window.navigator.languages = ["pt-BR"];
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let lclz = new Localizer();
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lclz.setup(["pt", "pt-BR"]);
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expect(lclz.language).to.equal('pt-BR');
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});
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it('should fall back to language "parents"', function () {
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window.navigator.languages = ["pt-BR"];
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let lclz = new Localizer();
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lclz.setup(["fr", "pt", "de"]);
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expect(lclz.language).to.equal('pt');
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});
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it('should not use specific language when user asks for a generic language', function () {
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window.navigator.languages = ["pt", "de"];
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let lclz = new Localizer();
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lclz.setup(["fr", "pt-BR", "de"]);
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expect(lclz.language).to.equal('de');
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});
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it('should handle underscore as a separator', function () {
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window.navigator.languages = ["pt-BR"];
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let lclz = new Localizer();
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lclz.setup(["pt_BR"]);
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expect(lclz.language).to.equal('pt_BR');
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});
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it('should handle difference in case', function () {
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window.navigator.languages = ["pt-br"];
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let lclz = new Localizer();
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lclz.setup(["pt-BR"]);
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expect(lclz.language).to.equal('pt-BR');
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});
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});
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});
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