gistfile1.ts

/**
 * @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 {DatePipe} from '@angular/common';
import {PipeResolver} from '@angular/compiler/src/pipe_resolver';
import {beforeEach, describe, expect, it} from '@angular/core/testing/testing_internal';
import {browserDetection} from '@angular/platform-browser/testing/browser_util';

export function main() {
  describe('DatePipe Locale Support', () => {
    var date: Date;
    var pipe: DatePipe;

    beforeEach(() => {
      date = new Date(2015, 5, 15, 9, 3, 1);
      pipe = new DatePipe('en-US');
    });

    describe('transform', () => {

      /* Results from Chrome and IE recorded in 2nd parameter to matcher function */

      it('should output the day part correctly when locale prefixes the hour with it', () => {
        pipe = new DatePipe('ar');
        // this test doesnt fail, Intl.DateTimeFormat output is "٩ ص"
        //"٩ ص".indexOf("ص")
        // = 2 in chrome - (so unicodes writing direction support avoids any issue)
        expect(pipe.transform(date, 'a')).toEqual('ص', 'Locale: ar, Chrome:ok, IE:ok');
        pipe = new DatePipe('zh');
        // theres no space in Intl.DateTimeFormat output at all on chrome (上午9时), but IE it is "‎上午‎ ‎9", 
        // cldr says h:"ah时" - no space. Unicode cldr page states Chrome uses it
        expect(pipe.transform(date, 'a')).toEqual('上午', 'Locale:zh, Chrome:undefined, IE:9');
        pipe = new DatePipe('he');
        // IE/edge Intl.DateTimeFormat uses 09 AM format, chrome = "‏9 לפנה״צ"
        // "‏9 לפנה״צ".indexOf('לפנה״צ')
        // = 3 in chrome  - so writing direction support avoids the issue
        expect(pipe.transform(date, 'a')).toEqual('לפנה״צ', 'Locale: he, Chrome:ok, IE:AM');
        pipe = new DatePipe('hu');
        expect(pipe.transform(date, 'a')).toEqual('de.', 'Locale: hu, Chrome:9. IE:ok');
        pipe = new DatePipe('ja');
        //again no space in Intl.DateTimeFormat output 午前9時 on chrome, IE outputs ""‎午前‎ ‎9"
        //the 24 hour output of the browser is 9時 for japanese
        expect(pipe.transform(date, 'a')).toEqual('午前', 'Locale: ja, Chrome:undefined, IE:9');
        pipe = new DatePipe('ko');
        // chrome Intl.DateTimeFormat: "오전 9시" IE:"‎오전‎ ‎9"
        expect(pipe.transform(date, 'a')).toEqual('오전', 'Locale: ko, Chrome:9시, IE:9');
        pipe = new DatePipe('ta');
        expect(pipe.transform(date, 'a')).toEqual('முற்பகல்', 'Locale: ta, Chrome:9, IE:09');
        pipe = new DatePipe('tr');
        //chrome Intl.DateTimeFormat: "ÖÖ 9" IE: "‎9‎ ‎ÖÖ"
        expect(pipe.transform(date, 'a')).toEqual('ÖÖ', 'Locale: tr, Chrome:9, IE: ok');
      });

      it('should output the day part correctly when locale uses multiple words', () => {
        pipe = new DatePipe('sr');
        // Serbian can be written in Cryllic or Latin alphabets, though the IE result should be ‎"pre podne"
        expect(pipe.transform(date, 'a')).toEqual('пре подне', 'Locale: sr, Chrome:npe, IE: pre');
        pipe = new DatePipe('pt-PT');
        // chrome Intl.DateTimeFormat: "9 da manhã"
        // IE Intl.DateTimeFormat: "‎9‎ ‎"<- doesnt output a day part at all
        expect(pipe.transform(date, 'a')).toEqual('da manhã', 'Locale: pt-PT, Chrome:da, IE:"", ');
        pipe = new DatePipe('es');
        // chrome Intl.DateTimeFormat: "9 a. m.", IE: "‎9‎ ‎"<- doesnt output a day part at all
        expect(pipe.transform(date, 'a')).toEqual('a. m.', 'Locale: es, Chrome:a. IE:""');
      });

      it('should output the day part correctly when number has 0 prefix', () => {
        pipe = new DatePipe('lt');
        expect(pipe.transform(date, 'a')).toEqual('priešpiet', 'Locale: lt,Chrome:ok, IE:ok');
      });

      // Note for the following tests:
      // There is a bug in IE/edge where it outputs minute part when requesting hour alone
      // This seems to show up in most of the remaining tests

      it('should use locales 0 symbol when padding numbers to 2 characters', () => {
        // My uncommitted version HH uses custom code (repeated for all the unique numeral symbols i found on chrome)
        pipe = new DatePipe('ar');
        expect(pipe.transform(date, 'HH')).toEqual('٠٩', 'Locale: ar, Chrome:ok, IE:٠٩:00');
        pipe = new DatePipe('bn');
        // chrome Intl.DateTimeFormat:"৯ am" IE:"‎পুর্বাহ্ন‎ ‎09" - chrome uses Bengali numerals, IE western arabic and day parts different
        expect(pipe.transform(date, 'HH')).toEqual('০৯', 'Locale: bn, Chrome:ok, IE:09:00');
        pipe = new DatePipe('mr');

        expect(pipe.transform(date, 'HH')).toEqual('०९', 'Locale: mr, Chrome:ok, IE:09:00');
        // hh uses the browser to get 2 digits, theres a fallback check in angular code however
        // to pad the number if the browser didnt
        // chrome Intl.DateTimeFormat: "९ म.पू.", IE: "‎म.पू.‎ ‎09" 
        // THE BROWSERS LOCATE THE DAY PARTS IN DIFFERENT POSITIONS and use different numeral systems
        expect(pipe.transform(date, 'hh')).toEqual('०९', 'Locale: mr, Chrome:0९, IE:म.पू.');
      });

      it('should output short timezone correctly when locale outputs hour postfix', () => {
        pipe = new DatePipe('ar');
        // as mentioned before arabic usually ok due to unicode writing direction support
        expect(pipe.transform(date, 'Z')).toEqual('جرينتش+١', 'Locale: ar, Chrome: ok, IE:00');
        pipe = new DatePipe('zh');
        // theres no space in chromes Intl.DateTimeFormat output at all: GMT+19时
        expect(pipe.transform(date, 'Z')).toEqual('GMT+1', 'Locale: zh, Chrome:+19时, IE:00');
      });

      it('should output short timezone correctly when locale includes hour signifier like 09 h UTC', () => {
        //chromes Intl.DateTimeFormat output: 09 h UTC
        pipe = new DatePipe('fr');
        expect(pipe.transform(date, 'Z')).toEqual('UTC+1', 'Locale: fr, Chrome: h UTC+1, IE:00');
        //chromes Intl.DateTimeFormat output: 09 Uhr GMT
        pipe = new DatePipe('de');
        expect(pipe.transform(date, 'Z')).toEqual('GMT+1', 'Locale: de, Chrome: Uhr GMT+1, IE:00');
      });

      it('should output long timezone correctly when locale outputs hour postfix', () => {
        pipe = new DatePipe('ar');
        // as mentioned before arabic usually ok due to unicode writing direction support
        expect(pipe.transform(date, 'z')).toEqual('توقيت بريطانيا الصيفي', 'Locale: ar, chrome: ok, IE:00');
        pipe = new DatePipe('zh');
        // again, no spaces in chromes Intl.DateTimeFormat output: 英国夏令时间9时
        expect(pipe.transform(date, 'z')).toEqual('英国夏令时间', 'Locale: zh,Chrome: 令时间9时, IE:00');
      });

      it('should output long timezone correctly when locale includes hour signifier like 03 h UTC', () => {
        pipe = new DatePipe('fr');
        expect(pipe.transform(date, 'z')).toEqual('heure d’été britannique', 'Locale: fr, chrome:h heure d’été britannique, IE:00');

        pipe = new DatePipe('de');
        expect(pipe.transform(date, 'z')).toEqual('Britische Sommerzeit', 'Locale: de, chrome:Uhr Britische Sommerzeit, IE:00');
      });

      it('should output era correctly in english', () => {
        // i couldnt get IE Intl.DateTimeFormat to ever output the era in my tests
        // chrome doesnt output it on its own

         expect(pipe.transform(date, 'G')).toEqual('A', 'chrome:6 15, 2015 A, IE:6/15/2015');
         expect(pipe.transform(date, 'GGG')).toEqual('AD', 'chrome:6 15, 2015 AD, IE:6/15/2015');
         expect(pipe.transform(date, 'GGGG')).toEqual('Anno Domini', 'chrome:6 15, 2015 Anno Domini, IE:6/15/2015');
      });
    });
  
  });
}