angular-cn/packages/compiler/test/i18n/serializers/xtb_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
*/
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import {escapeRegExp} from '@angular/compiler/src/util';
import {serializeNodes} from '../../../src/i18n/digest';
import * as i18n from '../../../src/i18n/i18n_ast';
import {Xtb} from '../../../src/i18n/serializers/xtb';
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export function main(): void {
describe('XTB serializer', () => {
const serializer = new Xtb();
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function loadAsMap(xtb: string): {[id: string]: string} {
const {i18nNodesByMsgId} = serializer.load(xtb, 'url');
const msgMap: {[id: string]: string} = {};
Object.keys(i18nNodesByMsgId).forEach(id => {
msgMap[id] = serializeNodes(i18nNodesByMsgId[id]).join('');
});
return msgMap;
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}
describe('load', () => {
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it('should load XTB files with a doctype', () => {
const XTB = `<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE translationbundle [<!ELEMENT translationbundle (translation)*>
<!ATTLIST translationbundle lang CDATA #REQUIRED>
<!ELEMENT translation (#PCDATA|ph)*>
<!ATTLIST translation id CDATA #REQUIRED>
<!ELEMENT ph EMPTY>
<!ATTLIST ph name CDATA #REQUIRED>
]>
<translationbundle>
<translation id="8841459487341224498">rab</translation>
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</translationbundle>`;
expect(loadAsMap(XTB)).toEqual({'8841459487341224498': 'rab'});
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});
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it('should load XTB files without placeholders', () => {
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const XTB = `<?xml version="1.0" encoding="UTF-8"?>
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<translationbundle>
<translation id="8841459487341224498">rab</translation>
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</translationbundle>`;
expect(loadAsMap(XTB)).toEqual({'8841459487341224498': 'rab'});
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});
it('should return the target locale', () => {
const XTB = `<?xml version="1.0" encoding="UTF-8"?>
<translationbundle lang='fr'>
<translation id="8841459487341224498">rab</translation>
</translationbundle>`;
expect(serializer.load(XTB, 'url').locale).toEqual('fr');
});
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it('should load XTB files with placeholders', () => {
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const XTB = `<?xml version="1.0" encoding="UTF-8"?>
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<translationbundle>
<translation id="8877975308926375834"><ph name="START_PARAGRAPH"/>rab<ph name="CLOSE_PARAGRAPH"/></translation>
</translationbundle>`;
expect(loadAsMap(XTB)).toEqual({
'8877975308926375834': '<ph name="START_PARAGRAPH"/>rab<ph name="CLOSE_PARAGRAPH"/>'
});
});
it('should replace ICU placeholders with their translations', () => {
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const XTB = `<?xml version="1.0" encoding="UTF-8" ?>
<translationbundle>
<translation id="7717087045075616176">*<ph name="ICU"/>*</translation>
<translation id="5115002811911870583">{VAR_PLURAL, plural, =1 {<ph name="START_PARAGRAPH"/>rab<ph name="CLOSE_PARAGRAPH"/>}}</translation>
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</translationbundle>`;
expect(loadAsMap(XTB)).toEqual({
'7717087045075616176': `*<ph name="ICU"/>*`,
'5115002811911870583':
`{VAR_PLURAL, plural, =1 {[<ph name="START_PARAGRAPH"/>, rab, <ph name="CLOSE_PARAGRAPH"/>]}}`,
});
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});
it('should load complex XTB files', () => {
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const XTB = `<?xml version="1.0" encoding="UTF-8" ?>
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<translationbundle>
<translation id="8281795707202401639"><ph name="INTERPOLATION"/><ph name="START_BOLD_TEXT"/>rab<ph name="CLOSE_BOLD_TEXT"/> oof</translation>
<translation id="5115002811911870583">{VAR_PLURAL, plural, =1 {<ph name="START_PARAGRAPH"/>rab<ph name="CLOSE_PARAGRAPH"/>}}</translation>
<translation id="130772889486467622">oof</translation>
<translation id="4739316421648347533">{VAR_PLURAL, plural, =1 {{VAR_GENDER, gender, male {<ph name="START_PARAGRAPH"/>rab<ph name="CLOSE_PARAGRAPH"/>}} }}</translation>
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</translationbundle>`;
expect(loadAsMap(XTB)).toEqual({
'8281795707202401639':
`<ph name="INTERPOLATION"/><ph name="START_BOLD_TEXT"/>rab<ph name="CLOSE_BOLD_TEXT"/> oof`,
'5115002811911870583':
`{VAR_PLURAL, plural, =1 {[<ph name="START_PARAGRAPH"/>, rab, <ph name="CLOSE_PARAGRAPH"/>]}}`,
'130772889486467622': `oof`,
'4739316421648347533':
`{VAR_PLURAL, plural, =1 {[{VAR_GENDER, gender, male {[<ph name="START_PARAGRAPH"/>, rab, <ph name="CLOSE_PARAGRAPH"/>]}}, ]}}`,
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});
});
});
describe('errors', () => {
it('should be able to parse non-angular xtb files without error', () => {
const XTB = `<?xml version="1.0" encoding="UTF-8" ?>
<translationbundle>
<translation id="angular">is great</translation>
<translation id="non angular">is <invalid>less</invalid> {count, plural, =0 {{GREAT}}}</translation>
</translationbundle>`;
// Invalid messages should not cause the parser to throw
let i18nNodesByMsgId: {[id: string]: i18n.Node[]} = undefined !;
expect(() => {
i18nNodesByMsgId = serializer.load(XTB, 'url').i18nNodesByMsgId;
}).not.toThrow();
expect(Object.keys(i18nNodesByMsgId).length).toEqual(2);
expect(serializeNodes(i18nNodesByMsgId['angular']).join('')).toEqual('is great');
// Messages that contain unsupported feature should throw on access
expect(() => {
const read = i18nNodesByMsgId['non angular'];
}).toThrowError(/xtb parse errors/);
});
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it('should throw on nested <translationbundle>', () => {
const XTB =
'<translationbundle><translationbundle></translationbundle></translationbundle>';
expect(() => {
loadAsMap(XTB);
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}).toThrowError(/<translationbundle> elements can not be nested/);
});
it('should throw when a <translation> has no id attribute', () => {
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const XTB = `<translationbundle>
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<translation></translation>
</translationbundle>`;
expect(() => { loadAsMap(XTB); }).toThrowError(/<translation> misses the "id" attribute/);
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});
it('should throw when a placeholder has no name attribute', () => {
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const XTB = `<translationbundle>
<translation id="1186013544048295927"><ph /></translation>
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</translationbundle>`;
expect(() => { loadAsMap(XTB); }).toThrowError(/<ph> misses the "name" attribute/);
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});
it('should throw on unknown xtb tags', () => {
const XTB = `<what></what>`;
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expect(() => {
loadAsMap(XTB);
}).toThrowError(new RegExp(escapeRegExp(`Unexpected tag ("[ERROR ->]<what></what>")`)));
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});
it('should throw on unknown message tags', () => {
const XTB = `<translationbundle>
<translation id="1186013544048295927"><b>msg should contain only ph tags</b></translation>
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</translationbundle>`;
expect(() => { loadAsMap(XTB); })
.toThrowError(
new RegExp(escapeRegExp(`[ERROR ->]<b>msg should contain only ph tags</b>`)));
});
it('should throw on duplicate message id', () => {
const XTB = `<translationbundle>
<translation id="1186013544048295927">msg1</translation>
<translation id="1186013544048295927">msg2</translation>
</translationbundle>`;
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expect(() => {
loadAsMap(XTB);
}).toThrowError(/Duplicated translations for msg 1186013544048295927/);
});
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it('should throw when trying to save an xtb file',
() => { expect(() => { serializer.write([], null); }).toThrowError(/Unsupported/); });
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});
});
}