angular-docs-cn/modules/@angular/compiler/test/i18n/integration_spec.ts

/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

import {DirectiveResolver, XHR, i18n} from '@angular/compiler';
import {MockDirectiveResolver} from '@angular/compiler/testing';
import {Compiler, Component, DebugElement, Injector, TRANSLATIONS} from '@angular/core';
import {TestBed, TestComponentBuilder, fakeAsync} from '@angular/core/testing';

import {beforeEach, beforeEachProviders, ddescribe, describe, iit, inject, it, xdescribe, xit,} from '@angular/core/testing/testing_internal';
import {expect} from '@angular/platform-browser/testing/matchers';
import {By} from '@angular/platform-browser/src/dom/debug/by';
import {SpyXHR} from '../spies';
import {NgLocalization} from '@angular/common';
import {stringifyElement} from '@angular/platform-browser/testing/browser_util';

export function main() {
  describe('i18n integration spec', () => {
    let compiler: Compiler;
    let xhr: SpyXHR;
    let tcb: TestComponentBuilder;
    let dirResolver: MockDirectiveResolver;
    let injector: Injector;

    beforeEach(() => {
      TestBed.configureCompiler({
        providers: [
          {provide: XHR, useClass: SpyXHR},
          {provide: NgLocalization, useClass: FrLocalization},
          {provide: TRANSLATIONS, useValue: XTB},
        ]
      });
    });

    beforeEach(fakeAsync(inject(
        [Compiler, TestComponentBuilder, XHR, DirectiveResolver, Injector],
        (_compiler: Compiler, _tcb: TestComponentBuilder, _xhr: SpyXHR,
         _dirResolver: MockDirectiveResolver, _injector: Injector) => {
          compiler = _compiler;
          tcb = _tcb;
          xhr = _xhr;
          dirResolver = _dirResolver;
          injector = _injector;
        })));

    it('translate templates', () => {
      const tb = tcb.createSync(I18nComponent);
      const cmp = tb.componentInstance;
      const el = tb.debugElement;

      expectHtml(el, 'h1').toBe('<h1>attributs i18n sur les balises</h1>');
      expectHtml(el, '#i18n-1').toBe('<div id="i18n-1"><p>imbriqué</p></div>');
      expectHtml(el, '#i18n-2').toBe('<div id="i18n-2"><p>imbriqué</p></div>');
      expectHtml(el, '#i18n-3')
          .toBe('<div id="i18n-3"><p><i>avec des espaces réservés</i></p></div>');
      expectHtml(el, '#i18n-4')
          .toBe('<p id="i18n-4" title="sur des balises non traductibles"></p>');
      expectHtml(el, '#i18n-5').toBe('<p id="i18n-5" title="sur des balises traductibles"></p>');
      expectHtml(el, '#i18n-6').toBe('<p id="i18n-6" title=""></p>');

      cmp.count = 0;
      tb.detectChanges();
      expect(el.query(By.css('#i18n-7')).nativeElement).toHaveText('zero');
      expect(el.query(By.css('#i18n-14')).nativeElement).toHaveText('zero');
      cmp.count = 1;
      tb.detectChanges();
      expect(el.query(By.css('#i18n-7')).nativeElement).toHaveText('un');
      expect(el.query(By.css('#i18n-14')).nativeElement).toHaveText('un');
      cmp.count = 2;
      tb.detectChanges();
      expect(el.query(By.css('#i18n-7')).nativeElement).toHaveText('deux');
      expect(el.query(By.css('#i18n-14')).nativeElement).toHaveText('deux');
      cmp.count = 3;
      tb.detectChanges();
      expect(el.query(By.css('#i18n-7')).nativeElement).toHaveText('beaucoup');
      expect(el.query(By.css('#i18n-14')).nativeElement).toHaveText('beaucoup');

      cmp.sex = 'm';
      tb.detectChanges();
      expect(el.query(By.css('#i18n-8')).nativeElement).toHaveText('homme');
      cmp.sex = 'f';
      tb.detectChanges();
      expect(el.query(By.css('#i18n-8')).nativeElement).toHaveText('femme');

      cmp.count = 123;
      tb.detectChanges();
      expectHtml(el, '#i18n-9').toEqual('<div id="i18n-9">count = 123</div>');

      cmp.sex = 'f';
      tb.detectChanges();
      expectHtml(el, '#i18n-10').toEqual('<div id="i18n-10">sexe = f</div>');

      expectHtml(el, '#i18n-11').toEqual('<div id="i18n-11">custom name</div>');
      expectHtml(el, '#i18n-12')
          .toEqual('<h1 id="i18n-12">Balises dans les commentaires html</h1>');
      expectHtml(el, '#i18n-13')
          .toBe('<div id="i18n-13" title="dans une section traductible"></div>');

      expectHtml(el, '#i18n-15').toMatch(/ca <b>devrait<\/b> marcher/);
    });
  });
}

function expectHtml(el: DebugElement, cssSelector: string): any {
  return expect(stringifyElement(el.query(By.css(cssSelector)).nativeElement));
}

@Component({
  selector: 'i18n-cmp',
  template: `
<div>
    <h1 i18n>i18n attribute on tags</h1>
    
    <div id="i18n-1"><p i18n>nested</p></div>
    
    <div id="i18n-2"><p i18n="different meaning|">nested</p></div>
    
    <div id="i18n-3"><p i18n><i>with placeholders</i></p></div>
    
    <div>
        <p id="i18n-4" i18n-title title="on not translatable node"></p>
        <p id="i18n-5" i18n i18n-title title="on translatable node"></p>
        <p id="i18n-6" i18n-title title></p>
    </div>
    
    <!-- no ph below because the ICU node is the only child of the div, i.e. no text nodes --> 
    <div i18n id="i18n-7">{count, plural, =0 {zero} =1 {one} =2 {two} other {<b>many</b>}}</div>
    
    <div i18n id="i18n-8">
        {sex, sex, m {male} f {female}}
    </div>
    
    <div i18n id="i18n-9">{{ "count = " + count }}</div>
    <div i18n id="i18n-10">sex = {{ sex }}</div>
    <div i18n id="i18n-11">{{ "custom name" //i18n(ph="CUSTOM_NAME") }}</div>    
</div>

<!-- i18n -->
    <h1 id="i18n-12" >Markers in html comments</h1>   
    <div id="i18n-13" i18n-title title="in a translatable section"></div>
    <div id="i18n-14">{count, plural, =0 {zero} =1 {one} =2 {two} other {<b>many</b>}}</div>
<!-- /i18n -->

<div id="i18n-15"><ng-container i18n>it <b>should</b> work</ng-container></div>
`
})
class I18nComponent {
  count: number = 0;
  sex: string = 'm';
}

class FrLocalization extends NgLocalization {
  getPluralCategory(value: number): string {
    switch (value) {
      case 0:
      case 1:
        return 'one';
      default:
        return 'other';
    }
  }
}

const XTB = `
<translationbundle>
  <translation id="3cb04208df1c2f62553ed48e75939cf7107f9dad">attributs i18n sur les balises</translation>
  <translation id="52895b1221effb3f3585b689f049d2784d714952">imbriqué</translation>
  <translation id="88d5f22050a9df477ee5646153558b3a4862d47e">imbriqué</translation>
  <translation id="34fec9cc62e28e8aa6ffb306fa8569ef0a8087fe"><ph name="START_ITALIC_TEXT"/>avec des espaces réservés<ph name="CLOSE_ITALIC_TEXT"/></translation>
  <translation id="1fe4616cce80a57c7707bac1c97054aa8e244a67">sur des balises non traductibles</translation>
  <translation id="67162b5af5f15fd0eb6480c88688dafdf952b93a">sur des balises traductibles</translation>
  <translation id="dc5536bb9e0e07291c185a0d306601a2ecd4813f">{count, plural, =0 {zero} =1 {un} =2 {deux} other {<ph name="START_BOLD_TEXT"/>beaucoup<ph name="CLOSE_BOLD_TEXT"/>}}</translation>
  <translation id="018efa03821ca41e27611e4a584736810d56ed8a"><ph name="ICU"/></translation>
  <translation id="fd3186ad2a9aa801fe072ddb16ca34cd98ae93da">{sex, sex, m {homme} f {femme}}</translation>
  <translation id="d9879678f727b244bc7c7e20f22b63d98cb14890"><ph name="INTERPOLATION"/></translation>
  <translation id="50dac33dc6fc0578884baac79d875785ed77c928">sexe = <ph name="INTERPOLATION"/></translation>
  <translation id="a46f833b1fe6ca49e8b97c18f4b7ea0b930c9383"><ph name="CUSTOM_NAME"/></translation>
  <translation id="2ec983b4893bcd5b24af33bebe3ecba63868453c">dans une section traductible</translation>
  <translation id="eee74a5be8a75881a4785905bd8302a71f7d9f75">
    <ph name="START_HEADING_LEVEL1"/>Balises dans les commentaires html<ph name="CLOSE_HEADING_LEVEL1"/>   
    <ph name="START_TAG_DIV"/><ph name="CLOSE_TAG_DIV"/>
    <ph name="START_TAG_DIV_1"/><ph name="ICU"/><ph name="CLOSE_TAG_DIV"></ph>
</translation>
  <translation id="93a30c67d4e6c9b37aecfe2ac0f2b5d366d7b520">ca <ph name="START_BOLD_TEXT"/>devrait<ph name="CLOSE_BOLD_TEXT"/> marcher</translation>
</translationbundle>`;

// unused, for reference only
// can be generated from xmb_spec as follow:
// `iit('extract xmb', () => { console.log(toXmb(HTML)); });`
const XMB = `
<messagebundle>
  <msg id="3cb04208df1c2f62553ed48e75939cf7107f9dad">i18n attribute on tags</msg>
  <msg id="52895b1221effb3f3585b689f049d2784d714952">nested</msg>
  <msg id="88d5f22050a9df477ee5646153558b3a4862d47e" meaning="different meaning">nested</msg>
  <msg id="34fec9cc62e28e8aa6ffb306fa8569ef0a8087fe"><ph name="START_ITALIC_TEXT"><ex>&lt;i&gt;</ex></ph>with placeholders<ph name="CLOSE_ITALIC_TEXT"><ex>&lt;/i&gt;</ex></ph></msg>
  <msg id="1fe4616cce80a57c7707bac1c97054aa8e244a67">on not translatable node</msg>
  <msg id="67162b5af5f15fd0eb6480c88688dafdf952b93a">on translatable node</msg>
  <msg id="dc5536bb9e0e07291c185a0d306601a2ecd4813f">{count, plural, =0 {zero}=1 {one}=2 {two}other {<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>many<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph>}}</msg>
  <msg id="018efa03821ca41e27611e4a584736810d56ed8a">
        <ph name="ICU"/>
    </msg>
  <msg id="fd3186ad2a9aa801fe072ddb16ca34cd98ae93da">{sex, sex, m {male}f {female}}</msg>
  <msg id="d9879678f727b244bc7c7e20f22b63d98cb14890"><ph name="INTERPOLATION"/></msg>
  <msg id="50dac33dc6fc0578884baac79d875785ed77c928">sex = <ph name="INTERPOLATION"/></msg>
  <msg id="a46f833b1fe6ca49e8b97c18f4b7ea0b930c9383"><ph name="CUSTOM_NAME"/></msg>
  <msg id="2ec983b4893bcd5b24af33bebe3ecba63868453c">in a translatable section</msg>
  <msg id="eee74a5be8a75881a4785905bd8302a71f7d9f75">
    <ph name="START_HEADING_LEVEL1"><ex>&lt;h1&gt;</ex></ph>Markers in html comments<ph name="CLOSE_HEADING_LEVEL1"><ex>&lt;/h1&gt;</ex></ph>   
    <ph name="START_TAG_DIV"><ex>&lt;div&gt;</ex></ph><ph name="CLOSE_TAG_DIV"><ex>&lt;/div&gt;</ex></ph>
    <ph name="START_TAG_DIV_1"><ex>&lt;div&gt;</ex></ph><ph name="ICU"/><ph name="CLOSE_TAG_DIV"><ex>&lt;/div&gt;</ex></ph>
</msg>
  <msg id="93a30c67d4e6c9b37aecfe2ac0f2b5d366d7b520">it <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>should<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph> work</msg>
</messagebundle>`;