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

65 lines
2.0 KiB
TypeScript

/**
* @license
* Copyright Google LLC 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 {serializeNodes} from '../../src/i18n/digest';
import * as i18n from '../../src/i18n/i18n_ast';
import {MessageBundle} from '../../src/i18n/message_bundle';
import {Serializer} from '../../src/i18n/serializers/serializer';
import {HtmlParser} from '../../src/ml_parser/html_parser';
import {DEFAULT_INTERPOLATION_CONFIG} from '../../src/ml_parser/interpolation_config';
{
describe('MessageBundle', () => {
describe('Messages', () => {
let messages: MessageBundle;
beforeEach(() => {
messages = new MessageBundle(new HtmlParser, [], {});
});
it('should extract the message to the catalog', () => {
messages.updateFromTemplate(
'<p i18n="m|d">Translate Me</p>', 'url', DEFAULT_INTERPOLATION_CONFIG);
expect(humanizeMessages(messages)).toEqual([
'Translate Me (m|d)',
]);
});
it('should extract and dedup messages', () => {
messages.updateFromTemplate(
'<p i18n="m|d@@1">Translate Me</p><p i18n="@@2">Translate Me</p><p i18n="@@2">Translate Me</p>',
'url', DEFAULT_INTERPOLATION_CONFIG);
expect(humanizeMessages(messages)).toEqual([
'Translate Me (m|d)',
'Translate Me (|)',
]);
});
});
});
}
class _TestSerializer extends Serializer {
override write(messages: i18n.Message[]): string {
return messages.map(msg => `${serializeNodes(msg.nodes)} (${msg.meaning}|${msg.description})`)
.join('//');
}
override load(content: string, url: string):
{locale: string|null, i18nNodesByMsgId: {[id: string]: i18n.Node[]}} {
return {locale: null, i18nNodesByMsgId: {}};
}
override digest(msg: i18n.Message): string {
return msg.id || `default`;
}
}
function humanizeMessages(catalog: MessageBundle): string[] {
return catalog.write(new _TestSerializer()).split('//');
}