2018-10-24 17:43:19 -04:00
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import Translator from '../src/Translator';
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import languagePackZh from './languagePacks/zh.json';
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describe('Translator', () => {
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it('exists', () => {
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expect(Translator).toBeDefined();
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});
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describe('new Translator(config)', () => {
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it('initializes when config is not specified', () => {
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expect(new Translator()).toBeInstanceOf(Translator);
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});
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it('initializes when config is an empty object', () => {
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expect(new Translator({})).toBeInstanceOf(Translator);
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});
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it('initializes when config is specified', () => {
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2018-10-24 18:17:09 -04:00
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expect(
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new Translator({
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languagePack: languagePackZh,
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}),
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).toBeInstanceOf(Translator);
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2018-10-24 17:43:19 -04:00
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});
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});
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describe('.translate(input, ...args)', () => {
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const translator = new Translator({
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languagePack: languagePackZh,
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});
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it('returns null for null input', () => {
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expect(translator.translate(null)).toBeNull();
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});
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it('returns undefined for undefined input', () => {
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expect(translator.translate(undefined)).toBeUndefined();
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});
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2018-10-26 17:50:34 -04:00
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it('returns original text for unknown text', () => {
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expect(translator.translate('abc')).toEqual('abc');
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});
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2018-10-24 17:43:19 -04:00
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it('translates simple text', () => {
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expect(translator.translate('second')).toEqual('秒');
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});
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2018-10-26 17:50:34 -04:00
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it('translates template text with an argument', () => {
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2018-10-24 17:43:19 -04:00
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expect(translator.translate('Copy of %s', 1)).toEqual('1 的副本');
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});
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2018-10-26 17:50:34 -04:00
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it('translates template text with multiple arguments', () => {
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expect(translator.translate('test %d %d', 1, 2)).toEqual('test 1 2');
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});
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});
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describe('.translateWithNumber(singular, plural, num, ...args)', () => {
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const translator = new Translator({
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languagePack: languagePackZh,
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});
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it('returns null if singular or plural is null', () => {
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expect(translator.translateWithNumber(null, 'plural')).toBeNull();
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expect(translator.translateWithNumber('singular', null)).toBeNull();
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expect(translator.translateWithNumber(null, null)).toBeNull();
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});
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it('returns undefined if singular or plural is undefined', () => {
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expect(translator.translateWithNumber(undefined, 'plural')).toBeUndefined();
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expect(translator.translateWithNumber('singular', undefined)).toBeUndefined();
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expect(translator.translateWithNumber(undefined, undefined)).toBeUndefined();
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});
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it('returns original text for unknown text', () => {
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expect(translator.translateWithNumber('fish', 'fishes', 1)).toEqual('fish');
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});
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it('translates simple text', () => {
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expect(translator.translateWithNumber('second', 'seconds', 1)).toEqual('秒');
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});
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it('translates template text with an argument', () => {
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expect(translator.translateWithNumber('Copy of %s', 'Copies of %s', 12, 12)).toEqual(
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'12 的副本本本',
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);
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});
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it('translates template text with multiple arguments', () => {
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expect(translator.translateWithNumber('%d glass %s', '%d glasses %s', 3, 3, 'abc')).toEqual(
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'3 glasses abc',
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);
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});
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2018-10-24 17:43:19 -04:00
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});
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});
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