angular-docs-cn/packages/common/test/pipes/date_pipe_spec.ts

307 lines
9.7 KiB
TypeScript

/**
* @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, registerLocaleData} from '@angular/common';
import {PipeResolver} from '@angular/compiler/src/pipe_resolver';
import {JitReflector} from '@angular/platform-browser-dynamic/src/compiler_reflector';
import localeEn from '../../locales/en';
import localeEnExtra from '../../locales/extra/en';
import localeDe from '../../locales/de';
import localeHu from '../../locales/hu';
import localeSr from '../../locales/sr';
import localeTh from '../../locales/th';
export function main() {
describe('DatePipe', () => {
let date: Date;
const isoStringWithoutTime = '2015-01-01';
let pipe: DatePipe;
// Check the transformation of a date into a pattern
function expectDateFormatAs(date: Date | string, pattern: any, output: string): void {
expect(pipe.transform(date, pattern)).toEqual(output);
}
beforeAll(() => {
registerLocaleData(localeEn, localeEnExtra);
registerLocaleData(localeDe);
registerLocaleData(localeHu);
registerLocaleData(localeSr);
registerLocaleData(localeTh);
});
beforeEach(() => {
date = new Date(2015, 5, 15, 9, 3, 1, 550);
pipe = new DatePipe('en-US');
});
it('should be marked as pure', () => {
expect(new PipeResolver(new JitReflector()).resolve(DatePipe) !.pure).toEqual(true);
});
describe('supports', () => {
it('should support date', () => { expect(() => pipe.transform(date)).not.toThrow(); });
it('should support int', () => { expect(() => pipe.transform(123456789)).not.toThrow(); });
it('should support numeric strings',
() => { expect(() => pipe.transform('123456789')).not.toThrow(); });
it('should support decimal strings',
() => { expect(() => pipe.transform('123456789.11')).not.toThrow(); });
it('should support ISO string',
() => expect(() => pipe.transform('2015-06-15T21:43:11Z')).not.toThrow());
it('should return null for empty string', () => expect(pipe.transform('')).toEqual(null));
it('should return null for NaN', () => expect(pipe.transform(Number.NaN)).toEqual(null));
it('should support ISO string without time',
() => { expect(() => pipe.transform(isoStringWithoutTime)).not.toThrow(); });
it('should not support other objects',
() => expect(() => pipe.transform({})).toThrowError(/InvalidPipeArgument/));
});
describe('transform', () => {
it('should format each component correctly', () => {
const dateFixtures: any = {
G: 'AD',
GG: 'AD',
GGG: 'AD',
GGGG: 'Anno Domini',
GGGGG: 'A',
y: '2015',
yy: '15',
yyy: '2015',
yyyy: '2015',
M: '6',
MM: '06',
MMM: 'Jun',
MMMM: 'June',
MMMMM: 'J',
L: '6',
LL: '06',
LLL: 'Jun',
LLLL: 'June',
LLLLL: 'J',
w: '25',
ww: '25',
W: '3',
d: '15',
dd: '15',
E: 'Mon',
EE: 'Mon',
EEE: 'Mon',
EEEE: 'Monday',
EEEEEE: 'Mo',
h: '9',
hh: '09',
H: '9',
HH: '09',
m: '3',
mm: '03',
s: '1',
ss: '01',
S: '6',
SS: '55',
SSS: '550',
a: 'AM',
aa: 'AM',
aaa: 'AM',
aaaa: 'AM',
aaaaa: 'a',
b: 'morning',
bb: 'morning',
bbb: 'morning',
bbbb: 'morning',
bbbbb: 'morning',
B: 'in the morning',
BB: 'in the morning',
BBB: 'in the morning',
BBBB: 'in the morning',
BBBBB: 'in the morning',
};
const isoStringWithoutTimeFixtures: any = {
G: 'AD',
GG: 'AD',
GGG: 'AD',
GGGG: 'Anno Domini',
GGGGG: 'A',
y: '2015',
yy: '15',
yyy: '2015',
yyyy: '2015',
M: '1',
MM: '01',
MMM: 'Jan',
MMMM: 'January',
MMMMM: 'J',
L: '1',
LL: '01',
LLL: 'Jan',
LLLL: 'January',
LLLLL: 'J',
w: '1',
ww: '01',
W: '1',
d: '1',
dd: '01',
E: 'Thu',
EE: 'Thu',
EEE: 'Thu',
EEEE: 'Thursday',
EEEEE: 'T',
EEEEEE: 'Th',
h: '12',
hh: '12',
H: '0',
HH: '00',
m: '0',
mm: '00',
s: '0',
ss: '00',
S: '0',
SS: '00',
SSS: '000',
a: 'AM',
aa: 'AM',
aaa: 'AM',
aaaa: 'AM',
aaaaa: 'a',
b: 'midnight',
bb: 'midnight',
bbb: 'midnight',
bbbb: 'midnight',
bbbbb: 'midnight',
B: 'midnight',
BB: 'midnight',
BBB: 'midnight',
BBBB: 'midnight',
BBBBB: 'mi',
};
Object.keys(dateFixtures).forEach((pattern: string) => {
expectDateFormatAs(date, pattern, dateFixtures[pattern]);
});
Object.keys(isoStringWithoutTimeFixtures).forEach((pattern: string) => {
expectDateFormatAs(isoStringWithoutTime, pattern, isoStringWithoutTimeFixtures[pattern]);
});
});
it('should format with timezones', () => {
const dateFixtures: any = {
z: /GMT(\+|-)\d/,
zz: /GMT(\+|-)\d/,
zzz: /GMT(\+|-)\d/,
zzzz: /GMT(\+|-)\d{2}\:30/,
Z: /(\+|-)\d{2}30/,
ZZ: /(\+|-)\d{2}30/,
ZZZ: /(\+|-)\d{2}30/,
ZZZZ: /GMT(\+|-)\d{2}\:30/,
ZZZZZ: /(\+|-)\d{2}\:30/,
O: /GMT(\+|-)\d/,
OOOO: /GMT(\+|-)\d{2}\:30/,
};
Object.keys(dateFixtures).forEach((pattern: string) => {
expect(pipe.transform(date, pattern, '+0430')).toMatch(dateFixtures[pattern]);
});
});
it('should format common multi component patterns', () => {
const dateFixtures: any = {
'EEE, M/d/y': 'Mon, 6/15/2015',
'EEE, M/d': 'Mon, 6/15',
'MMM d': 'Jun 15',
'dd/MM/yyyy': '15/06/2015',
'MM/dd/yyyy': '06/15/2015',
'yMEEEd': '20156Mon15',
'MEEEd': '6Mon15',
'MMMd': 'Jun15',
'EEEE, MMMM d, y': 'Monday, June 15, 2015',
'H:mm a': '9:03 AM',
'ms': '31',
'MM/dd/yy hh:mm': '06/15/15 09:03',
'MM/dd/y': '06/15/2015'
};
Object.keys(dateFixtures).forEach((pattern: string) => {
expectDateFormatAs(date, pattern, dateFixtures[pattern]);
});
});
it('should format with pattern aliases', () => {
const dateFixtures: any = {
'MM/dd/yyyy': '06/15/2015',
shortDate: '6/15/15',
mediumDate: 'Jun 15, 2015',
longDate: 'June 15, 2015',
fullDate: 'Monday, June 15, 2015',
short: '6/15/15, 9:03 AM',
medium: 'Jun 15, 2015, 9:03:01 AM',
long: /June 15, 2015 at 9:03:01 AM GMT(\+|-)\d/,
full: /Monday, June 15, 2015 at 9:03:01 AM GMT(\+|-)\d{2}:\d{2}/,
shortTime: '9:03 AM',
mediumTime: '9:03:01 AM',
longTime: /9:03:01 AM GMT(\+|-)\d/,
fullTime: /9:03:01 AM GMT(\+|-)\d{2}:\d{2}/,
};
Object.keys(dateFixtures).forEach((pattern: string) => {
expect(pipe.transform(date, pattern)).toMatch(dateFixtures[pattern]);
});
});
it('should format invalid in IE ISO date',
() => expect(pipe.transform('2017-01-11T09:25:14.014-0500')).toEqual('Jan 11, 2017'));
it('should format invalid in Safari ISO date',
() => expect(pipe.transform('2017-01-20T19:00:00+0000')).toEqual('Jan 20, 2017'));
// test for the following bugs:
// https://github.com/angular/angular/issues/9524
// https://github.com/angular/angular/issues/9524
it('should format correctly with iso strings that contain time',
() => expect(pipe.transform('2017-05-07T22:14:39', 'dd-MM-yyyy HH:mm'))
.toMatch(/07-05-2017 \d{2}:\d{2}/));
// test for the following bugs:
// https://github.com/angular/angular/issues/16624
// https://github.com/angular/angular/issues/17478
it('should show the correct time when the timezone is fixed', () => {
expect(pipe.transform('2017-06-13T10:14:39+0000', 'shortTime', '+0000'))
.toEqual('10:14 AM');
expect(pipe.transform('2017-06-13T10:14:39+0000', 'h:mm a', '+0000')).toEqual('10:14 AM');
});
it('should remove bidi control characters',
() => expect(pipe.transform(date, 'MM/dd/yyyy') !.length).toEqual(10));
it(`should format the date correctly in various locales`, () => {
expect(new DatePipe('de').transform(date, 'short')).toEqual('15.06.15, 09:03');
expect(new DatePipe('th').transform(date, 'dd-MM-yy')).toEqual('15-06-15');
expect(new DatePipe('hu').transform(date, 'a')).toEqual('de.');
expect(new DatePipe('sr').transform(date, 'a')).toEqual('пре подне');
// TODO(ocombe): activate this test when we support local numbers
// expect(new DatePipe('mr', [localeMr]).transform(date, 'hh')).toEqual('०९');
});
it('should throw if we use getExtraDayPeriods without loading extra locale data', () => {
expect(() => new DatePipe('de').transform(date, 'b'))
.toThrowError(/Missing extra locale data for the locale "de"/);
});
});
});
}