forked from angular/angular
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xliff1_translation_parser_spec.ts
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/
xliff1_translation_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 {ɵcomputeMsgId, ɵmakeParsedTranslation} from '@angular/localize';
import {Xliff1TranslationParser} from '../../../../src/translate/translation_files/translation_parsers/xliff1_translation_parser';
describe('Xliff1TranslationParser', () => {
describe('canParse()', () => {
it('should return true if the file extension is `.xlf` and it contains the XLIFF namespace',
() => {
const parser = new Xliff1TranslationParser();
expect(parser.canParse(
'/some/file.xlf',
'<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">'))
.toBe(true);
expect(parser.canParse(
'/some/file.json',
'<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">'))
.toBe(false);
expect(parser.canParse('/some/file.xlf', '')).toBe(false);
expect(parser.canParse('/some/file.json', '')).toBe(false);
});
});
describe('parse()', () => {
it('should extract the locale from the file contents', () => {
const XLIFF = `
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
</body>
</file>
</xliff>`;
const parser = new Xliff1TranslationParser();
const result = parser.parse('/some/file.xlf', XLIFF);
expect(result.locale).toEqual('fr');
});
it('should return an undefined locale if there is no locale in the file', () => {
const XLIFF = `
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" datatype="plaintext" original="ng2.template">
<body>
</body>
</file>
</xliff>`;
const parser = new Xliff1TranslationParser();
const result = parser.parse('/some/file.xlf', XLIFF);
expect(result.locale).toBeUndefined();
});
it('should extract basic messages', () => {
/**
* Source HTML:
*
* ```
* <div i18n>translatable attribute</div>
* ```
*/
const XLIFF = `
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit id="1933478729560469763" datatype="html">
<source>translatable attribute</source>
<target>etubirtta elbatalsnart</target>
<context-group purpose="location">
<context context-type="sourcefile">file.ts</context>
<context context-type="linenumber">1</context>
</context-group>
</trans-unit>
</body>
</file>
</xliff>`;
const parser = new Xliff1TranslationParser();
const result = parser.parse('/some/file.xlf', XLIFF);
expect(result.translations[ɵcomputeMsgId('translatable attribute')])
.toEqual(ɵmakeParsedTranslation(['etubirtta elbatalsnart']));
});
it('should extract translations with simple placeholders', () => {
/**
* Source HTML:
*
* ```
* <div i18n>translatable element <b>>with placeholders</b> {{ interpolation}}</div>
* ```
*/
const XLIFF = `
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit id="5057824347511785081" datatype="html">
<source>translatable element <x id="START_BOLD_TEXT" ctype="b"/>with placeholders<x id="CLOSE_BOLD_TEXT" ctype="b"/> <x id="INTERPOLATION"/></source>
<target><x id="INTERPOLATION"/> tnemele elbatalsnart <x id="START_BOLD_TEXT" ctype="x-b"/>sredlohecalp htiw<x id="CLOSE_BOLD_TEXT" ctype="x-b"/></target>
<context-group purpose="location">
<context context-type="sourcefile">file.ts</context>
<context context-type="linenumber">2</context>
</context-group>
</trans-unit>
</body>
</file>
</xliff>`;
const parser = new Xliff1TranslationParser();
const result = parser.parse('/some/file.xlf', XLIFF);
expect(
result.translations[ɵcomputeMsgId(
'translatable element {$START_BOLD_TEXT}with placeholders{$LOSE_BOLD_TEXT} {$INTERPOLATION}')])
.toEqual(ɵmakeParsedTranslation(
['', ' tnemele elbatalsnart ', 'sredlohecalp htiw', ''],
['INTERPOLATION', 'START_BOLD_TEXT', 'CLOSE_BOLD_TEXT']));
});
it('should extract translations with simple ICU expressions', () => {
/**
* Source HTML:
*
* ```
* <div i18n>{VAR_PLURAL, plural, =0 {<p>test</p>} }</div>
* ```
*/
const XLIFF = `
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit id="2874455947211586270" datatype="html">
<source>{VAR_PLURAL, plural, =0 {<x id="START_PARAGRAPH" ctype="x-p"/>test<x id="CLOSE_PARAGRAPH" ctype="x-p"/>} }</source>
<target>{VAR_PLURAL, plural, =0 {<x id="START_PARAGRAPH" ctype="x-p"/>TEST<x id="CLOSE_PARAGRAPH" ctype="x-p"/>} }</target>
</trans-unit>
</body>
</file>
</xliff>`;
const parser = new Xliff1TranslationParser();
const result = parser.parse('/some/file.xlf', XLIFF);
expect(result.translations[ɵcomputeMsgId(
'{VAR_PLURAL, plural, =0 {{START_PARAGRAPH}test{CLOSE_PARAGRAPH}}}')])
.toEqual(ɵmakeParsedTranslation(
['{VAR_PLURAL, plural, =0 {{START_PARAGRAPH}TEST{CLOSE_PARAGRAPH}}}'], []));
});
it('should extract translations with duplicate source messages', () => {
/**
* Source HTML:
*
* ```
* <div i18n>foo</div>
* <div i18n="m|d@@i">foo</div>
* <div i18=""m|d@@bar>foo</div>
* ```
*/
const XLIFF = `
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit id="9205907420411818817" datatype="html">
<source>foo</source>
<target>oof</target>
<context-group purpose="location">
<context context-type="sourcefile">file.ts</context>
<context context-type="linenumber">3</context>
</context-group>
<note priority="1" from="description">d</note>
<note priority="1" from="meaning">m</note>
</trans-unit>
<trans-unit id="i" datatype="html">
<source>foo</source>
<target>toto</target>
<context-group purpose="location">
<context context-type="sourcefile">file.ts</context>
<context context-type="linenumber">4</context>
</context-group>
<note priority="1" from="description">d</note>
<note priority="1" from="meaning">m</note>
</trans-unit>
<trans-unit id="bar" datatype="html">
<source>foo</source>
<target>tata</target>
<context-group purpose="location">
<context context-type="sourcefile">file.ts</context>
<context context-type="linenumber">5</context>
</context-group>
</trans-unit>
</body>
</file>
</xliff>`;
const parser = new Xliff1TranslationParser();
const result = parser.parse('/some/file.xlf', XLIFF);
expect(result.translations[ɵcomputeMsgId('foo')]).toEqual(ɵmakeParsedTranslation(['oof']));
expect(result.translations['i']).toEqual(ɵmakeParsedTranslation(['toto']));
expect(result.translations['bar']).toEqual(ɵmakeParsedTranslation(['tata']));
});
it('should extract translations with only placeholders, which are re-ordered', () => {
/**
* Source HTML:
*
* ```
* <div i18n><br><img/><img/></div>
* ```
*/
const XLIFF = `
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit id="7118057989405618448" datatype="html">
<ph id="1" equiv="TAG_IMG" type="image" disp="<img/>"/><ph id="2" equiv="TAG_IMG_1" type="image" disp="<img/>"/>
<source><x id="LINE_BREAK" ctype="lb"/><x id="TAG_IMG" ctype="image"/><x id="TAG_IMG_1" ctype="image"/></source>
<target><x id="TAG_IMG_1" ctype="image"/><x id="TAG_IMG" ctype="image"/><x id="LINE_BREAK" ctype="lb"/></target>
<context-group purpose="location">
<context context-type="sourcefile">file.ts</context>
<context context-type="linenumber">6</context>
</context-group>
<note priority="1" from="description">ph names</note>
</trans-unit>
</body>
</file>
</xliff>`;
const parser = new Xliff1TranslationParser();
const result = parser.parse('/some/file.xlf', XLIFF);
expect(result.translations[ɵcomputeMsgId('{$LINE_BREAK}{$TAG_IMG}{$TAG_IMG_1}')])
.toEqual(
ɵmakeParsedTranslation(['', '', '', ''], ['TAG_IMG_1', 'TAG_IMG', 'LINE_BREAK']));
});
it('should extract translations with empty target', () => {
/**
* Source HTML:
*
* ```
* <div i18n>hello <span></span></div>
* ```
*/
const XLIFF = `
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit id="2826198357052921524" datatype="html">
<source>hello <x id="START_TAG_SPAN" ctype="x-span"/><x id="CLOSE_TAG_SPAN" ctype="x-span"/></source>
<target/>
<context-group purpose="location">
<context context-type="sourcefile">file.ts</context>
<context context-type="linenumber">6</context>
</context-group>
<note priority="1" from="description">ph names</note>
</trans-unit>
</body>
</file>
</xliff>`;
const parser = new Xliff1TranslationParser();
const result = parser.parse('/some/file.xlf', XLIFF);
expect(result.translations[ɵcomputeMsgId('hello {$START_TAG_SPAN}{$CLOSE_TAG_SPAN}')])
.toEqual(ɵmakeParsedTranslation(['']));
});
it('should extract translations with deeply nested ICUs', () => {
/**
* Source HTML:
*
* ```
* Test: { count, plural, =0 { { sex, select, other {<p>deeply nested</p>}} } =other {a lot}}
* ```
*
* Note that the message gets split into two translation units:
* * The first one contains the outer message with an `ICU` placeholder
* * The second one is the ICU expansion itself
*
* Note that special markers `VAR_PLURAL` and `VAR_SELECT` are added, which are then replaced
* by IVY at runtime with the actual values being rendered by the ICU expansion.
*/
const XLIFF = `
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit id="980940425376233536" datatype="html">
<source>Test: <x id="ICU" equiv-text="{ count, plural, =0 {...} =other {...}}"/></source>
<target>Le test: <x id="ICU" equiv-text="{ count, plural, =0 {...} =other {...}}"/></target>
<context-group purpose="location">
<context context-type="sourcefile">file.ts</context>
<context context-type="linenumber">11</context>
</context-group>
</trans-unit>
<trans-unit id="5207293143089349404" datatype="html">
<source>{VAR_PLURAL, plural, =0 {{VAR_SELECT, select, other {<x id="START_PARAGRAPH" ctype="x-p"/>deeply nested<x id="CLOSE_PARAGRAPH" ctype="x-p"/>}}} =other {a lot}}</source>
<target>{VAR_PLURAL, plural, =0 {{VAR_SELECT, select, other {<x id="START_PARAGRAPH" ctype="x-p"/>profondément imbriqué<x id="CLOSE_PARAGRAPH" ctype="x-p"/>}}} =other {beaucoup}}</target>
</trans-unit>
</body>
</file>
</xliff>`;
const parser = new Xliff1TranslationParser();
const result = parser.parse('/some/file.xlf', XLIFF);
expect(result.translations[ɵcomputeMsgId('Test: {$ICU}')])
.toEqual(ɵmakeParsedTranslation(['Le test: ', ''], ['ICU']));
expect(
result.translations[ɵcomputeMsgId(
'{VAR_PLURAL, plural, =0 {{VAR_SELECT, select, other {{START_PARAGRAPH}deeply nested{CLOSE_PARAGRAPH}}}} =other {beaucoup}}')])
.toEqual(ɵmakeParsedTranslation([
'{VAR_PLURAL, plural, =0 {{VAR_SELECT, select, other {{START_PARAGRAPH}profondément imbriqué{CLOSE_PARAGRAPH}}}} =other {beaucoup}}'
]));
});
it('should extract translations containing multiple lines', () => {
/**
* Source HTML:
*
* ```
* <div i18n>multi
* lines</div>
* ```
*/
const XLIFF = `
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit id="2340165783990709777" datatype="html">
<source>multi\nlines</source>
<target>multi\nlignes</target>
<context-group purpose="location">
<context context-type="sourcefile">file.ts</context>
<context context-type="linenumber">12</context>
</context-group>
</trans-unit>
</body>
</file>
</xliff>`;
const parser = new Xliff1TranslationParser();
const result = parser.parse('/some/file.xlf', XLIFF);
expect(result.translations[ɵcomputeMsgId('multi\nlines')])
.toEqual(ɵmakeParsedTranslation(['multi\nlignes']));
});
it('should extract translations with <mrk> elements', () => {
const XLIFF = `
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit id="mrk-test">
<source>First sentence.</source>
<seg-source>
<invalid-tag>Should not be parsed</invalid-tag>
</seg-source>
<target>Translated <mrk mtype="seg" mid="1">first sentence</mrk>.</target>
</trans-unit>
<trans-unit id="mrk-test2">
<source>First sentence. Second sentence.</source>
<seg-source>
<invalid-tag>Should not be parsed</invalid-tag>
</seg-source>
<target>Translated <mrk mtype="seg" mid="1"><mrk mtype="seg" mid="2">first</mrk> sentence</mrk>.</target>
</trans-unit>
</body>
</file>
</xliff>`;
const parser = new Xliff1TranslationParser();
const result = parser.parse('/some/file.xlf', XLIFF);
expect(result.translations['mrk-test'])
.toEqual(ɵmakeParsedTranslation(['Translated first sentence.']));
expect(result.translations['mrk-test2'])
.toEqual(ɵmakeParsedTranslation(['Translated first sentence.']));
});
describe('[structure errors]', () => {
it('should throw when a trans-unit has no translation', () => {
const XLIFF = `<?xml version="1.0" encoding="UTF-8" ?>
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit id="missingtarget">
<source/>
</trans-unit>
</body>
</file>
</xliff>`;
expect(() => {
const parser = new Xliff1TranslationParser();
parser.parse('/some/file.xlf', XLIFF);
}).toThrowError(/Missing required <target> element/);
});
it('should throw when a trans-unit has no id attribute', () => {
const XLIFF = `<?xml version="1.0" encoding="UTF-8" ?>
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit datatype="html">
<source/>
<target/>
</trans-unit>
</body>
</file>
</xliff>`;
expect(() => {
const parser = new Xliff1TranslationParser();
parser.parse('/some/file.xlf', XLIFF);
}).toThrowError(/Missing required "id" attribute/);
});
it('should throw on duplicate trans-unit id', () => {
const XLIFF = `<?xml version="1.0" encoding="UTF-8" ?>
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit id="deadbeef">
<source/>
<target/>
</trans-unit>
<trans-unit id="deadbeef">
<source/>
<target/>
</trans-unit>
</body>
</file>
</xliff>`;
expect(() => {
const parser = new Xliff1TranslationParser();
parser.parse('/some/file.xlf', XLIFF);
}).toThrowError(/Duplicated translations for message "deadbeef"/);
});
});
describe('[message errors]', () => {
it('should throw on unknown message tags', () => {
const XLIFF = `<?xml version="1.0" encoding="UTF-8" ?>
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit id="deadbeef" datatype="html">
<source/>
<target><b>msg should contain only ph tags</b></target>
</trans-unit>
</body>
</file>
</xliff>`;
expect(() => {
const parser = new Xliff1TranslationParser();
parser.parse('/some/file.xlf', XLIFF);
}).toThrowError(/Invalid element found in message/);
});
it('should throw when a placeholder misses an id attribute', () => {
const XLIFF = `<?xml version="1.0" encoding="UTF-8" ?>
<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
<file source-language="en" target-language="fr" datatype="plaintext" original="ng2.template">
<body>
<trans-unit id="deadbeef" datatype="html">
<source/>
<target><x/></target>
</trans-unit>
</body>
</file>
</xliff>`;
expect(() => {
const parser = new Xliff1TranslationParser();
parser.parse('/some/file.xlf', XLIFF);
}).toThrowError(/required "id" attribute/gi);
});
});
});
});