angular-docs-cn/packages/common/test/i18n/localization_spec.ts

190 lines
7.5 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 localeRo from '@angular/common/locales/ro';
import localeSr from '@angular/common/locales/sr';
import localeZgh from '@angular/common/locales/zgh';
import localeFr from '@angular/common/locales/fr';
import {LOCALE_ID, ɵunregisterLocaleData, ɵregisterLocaleData} from '@angular/core';
import {TestBed, inject} from '@angular/core/testing';
import {NgLocaleLocalization, NgLocalization, getPluralCategory} from '@angular/common/src/i18n/localization';
{
describe('l10n', () => {
beforeAll(() => {
ɵregisterLocaleData(localeRo);
ɵregisterLocaleData(localeSr);
ɵregisterLocaleData(localeZgh);
ɵregisterLocaleData(localeFr);
});
afterAll(() => ɵunregisterLocaleData());
describe('NgLocalization', () => {
function roTests() {
it('should return plural cases for the provided locale',
inject([NgLocalization], (l10n: NgLocalization) => {
expect(l10n.getPluralCategory(0)).toEqual('few');
expect(l10n.getPluralCategory(1)).toEqual('one');
expect(l10n.getPluralCategory(1212)).toEqual('few');
expect(l10n.getPluralCategory(1223)).toEqual('other');
}));
}
describe('ro', () => {
beforeEach(() => {
TestBed.configureTestingModule({
providers: [{provide: LOCALE_ID, useValue: 'ro'}],
});
});
roTests();
});
function srTests() {
it('should return plural cases for the provided locale',
inject([NgLocalization], (l10n: NgLocalization) => {
expect(l10n.getPluralCategory(1)).toEqual('one');
expect(l10n.getPluralCategory(2.1)).toEqual('one');
expect(l10n.getPluralCategory(3)).toEqual('few');
expect(l10n.getPluralCategory(0.2)).toEqual('few');
expect(l10n.getPluralCategory(2.11)).toEqual('other');
expect(l10n.getPluralCategory(2.12)).toEqual('other');
}));
}
describe('sr', () => {
beforeEach(() => {
TestBed.configureTestingModule({
providers: [{provide: LOCALE_ID, useValue: 'sr'}],
});
});
srTests();
});
});
describe('NgLocaleLocalization', () => {
it('should return the correct values for the "en" locale', () => {
const l10n = new NgLocaleLocalization('en-US');
expect(l10n.getPluralCategory(0)).toEqual('other');
expect(l10n.getPluralCategory(1)).toEqual('one');
expect(l10n.getPluralCategory(2)).toEqual('other');
});
it('should return the correct values for the "ro" locale', () => {
const l10n = new NgLocaleLocalization('ro');
expect(l10n.getPluralCategory(0)).toEqual('few');
expect(l10n.getPluralCategory(1)).toEqual('one');
expect(l10n.getPluralCategory(2)).toEqual('few');
expect(l10n.getPluralCategory(12)).toEqual('few');
expect(l10n.getPluralCategory(23)).toEqual('other');
expect(l10n.getPluralCategory(1212)).toEqual('few');
expect(l10n.getPluralCategory(1223)).toEqual('other');
});
it('should return the correct values for the "sr" locale', () => {
const l10n = new NgLocaleLocalization('sr');
expect(l10n.getPluralCategory(1)).toEqual('one');
expect(l10n.getPluralCategory(31)).toEqual('one');
expect(l10n.getPluralCategory(0.1)).toEqual('one');
expect(l10n.getPluralCategory(1.1)).toEqual('one');
expect(l10n.getPluralCategory(2.1)).toEqual('one');
expect(l10n.getPluralCategory(3)).toEqual('few');
expect(l10n.getPluralCategory(33)).toEqual('few');
expect(l10n.getPluralCategory(0.2)).toEqual('few');
expect(l10n.getPluralCategory(0.3)).toEqual('few');
expect(l10n.getPluralCategory(0.4)).toEqual('few');
expect(l10n.getPluralCategory(2.2)).toEqual('few');
expect(l10n.getPluralCategory(2.11)).toEqual('other');
expect(l10n.getPluralCategory(2.12)).toEqual('other');
expect(l10n.getPluralCategory(2.13)).toEqual('other');
expect(l10n.getPluralCategory(2.14)).toEqual('other');
expect(l10n.getPluralCategory(2.15)).toEqual('other');
expect(l10n.getPluralCategory(0)).toEqual('other');
expect(l10n.getPluralCategory(5)).toEqual('other');
expect(l10n.getPluralCategory(10)).toEqual('other');
expect(l10n.getPluralCategory(35)).toEqual('other');
expect(l10n.getPluralCategory(37)).toEqual('other');
expect(l10n.getPluralCategory(40)).toEqual('other');
expect(l10n.getPluralCategory(0.0)).toEqual('other');
expect(l10n.getPluralCategory(0.5)).toEqual('other');
expect(l10n.getPluralCategory(0.6)).toEqual('other');
expect(l10n.getPluralCategory(2)).toEqual('few');
expect(l10n.getPluralCategory(2.1)).toEqual('one');
expect(l10n.getPluralCategory(2.2)).toEqual('few');
expect(l10n.getPluralCategory(2.3)).toEqual('few');
expect(l10n.getPluralCategory(2.4)).toEqual('few');
expect(l10n.getPluralCategory(2.5)).toEqual('other');
expect(l10n.getPluralCategory(20)).toEqual('other');
expect(l10n.getPluralCategory(21)).toEqual('one');
expect(l10n.getPluralCategory(22)).toEqual('few');
expect(l10n.getPluralCategory(23)).toEqual('few');
expect(l10n.getPluralCategory(24)).toEqual('few');
expect(l10n.getPluralCategory(25)).toEqual('other');
});
it('should return the default value for a locale with no rule', () => {
const l10n = new NgLocaleLocalization('zgh');
expect(l10n.getPluralCategory(0)).toEqual('other');
expect(l10n.getPluralCategory(1)).toEqual('other');
expect(l10n.getPluralCategory(3)).toEqual('other');
expect(l10n.getPluralCategory(5)).toEqual('other');
expect(l10n.getPluralCategory(10)).toEqual('other');
});
});
describe('getPluralCategory', () => {
it('should return plural category', () => {
const l10n = new NgLocaleLocalization('fr');
expect(getPluralCategory(0, ['one', 'other'], l10n)).toEqual('one');
expect(getPluralCategory(1, ['one', 'other'], l10n)).toEqual('one');
expect(getPluralCategory(5, ['one', 'other'], l10n)).toEqual('other');
});
it('should return discrete cases', () => {
const l10n = new NgLocaleLocalization('fr');
expect(getPluralCategory(0, ['one', 'other', '=0'], l10n)).toEqual('=0');
expect(getPluralCategory(1, ['one', 'other'], l10n)).toEqual('one');
expect(getPluralCategory(5, ['one', 'other', '=5'], l10n)).toEqual('=5');
expect(getPluralCategory(6, ['one', 'other', '=5'], l10n)).toEqual('other');
});
it('should fallback to other when the case is not present', () => {
const l10n = new NgLocaleLocalization('ro');
expect(getPluralCategory(1, ['one', 'other'], l10n)).toEqual('one');
// 2 -> 'few'
expect(getPluralCategory(2, ['one', 'other'], l10n)).toEqual('other');
});
describe('errors', () => {
it('should report an error when the "other" category is not present', () => {
expect(() => {
const l10n = new NgLocaleLocalization('ro');
// 2 -> 'few'
getPluralCategory(2, ['one'], l10n);
}).toThrowError('No plural message found for value "2"');
});
});
});
});
}