angular-cn/packages/compiler/test/i18n/i18n_html_parser_spec.ts

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/**
* @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 {I18NHtmlParser} from '@angular/compiler/src/i18n/i18n_html_parser';
import {TranslationBundle} from '@angular/compiler/src/i18n/translation_bundle';
import {HtmlParser} from '@angular/compiler/src/ml_parser/html_parser';
import {ParseTreeResult} from '@angular/compiler/src/ml_parser/parser';
export function main() {
describe('I18N html parser', () => {
it('should return the html nodes when no translations are given', () => {
const htmlParser = new HtmlParser();
const i18nHtmlParser = new I18NHtmlParser(htmlParser);
const ptResult = new ParseTreeResult([], []);
spyOn(htmlParser, 'parse').and.returnValue(ptResult);
spyOn(i18nHtmlParser, 'parse').and.callThrough();
expect(i18nHtmlParser.parse('source', 'url')).toBe(ptResult);
expect(htmlParser.parse).toHaveBeenCalledTimes(1);
expect(htmlParser.parse)
.toHaveBeenCalledWith('source', 'url', jasmine.anything(), jasmine.anything());
});
// https://github.com/angular/angular/issues/14322
it('should parse the translations only once', () => {
const transBundle = new TranslationBundle({}, null, () => 'id');
spyOn(TranslationBundle, 'load').and.returnValue(transBundle);
const htmlParser = new HtmlParser();
const i18nHtmlParser = new I18NHtmlParser(htmlParser, 'translations');
expect(TranslationBundle.load).toHaveBeenCalledTimes(1);
i18nHtmlParser.parse('source', 'url');
i18nHtmlParser.parse('source', 'url');
expect(TranslationBundle.load).toHaveBeenCalledTimes(1);
});
});
}