angular-cn/packages/core/test/i18n_integration_spec.ts

479 lines
17 KiB
TypeScript
Raw Normal View History

/**
* @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 {Component, Directive, TemplateRef, ViewContainerRef} from '@angular/core';
import {TestBed} from '@angular/core/testing';
import {expect} from '@angular/platform-browser/testing/src/matchers';
import {fixmeIvy, onlyInIvy, polyfillGoogGetMsg} from '@angular/private/testing';
@Directive({
selector: '[tplRef]',
})
class DirectiveWithTplRef {
constructor(public vcRef: ViewContainerRef, public tplRef: TemplateRef<{}>) {}
ngOnInit() { this.vcRef.createEmbeddedView(this.tplRef, {}); }
}
@Component({selector: 'my-comp', template: ''})
class MyComp {
name = 'John';
items = ['1', '2', '3'];
visible = true;
age = 20;
count = 2;
otherLabel = 'other label';
}
const TRANSLATIONS: any = {
'one': 'un',
'two': 'deux',
'more than two': 'plus que deux',
'ten': 'dix',
'twenty': 'vingt',
'other': 'autres',
'Hello': 'Bonjour',
'Hello {$interpolation}': 'Bonjour {$interpolation}',
'Bye': 'Au revoir',
'Item {$interpolation}': 'Article {$interpolation}',
'\'Single quotes\' and "Double quotes"': '\'Guillemets simples\' et "Guillemets doubles"',
'My logo': 'Mon logo',
'{$startTagSpan}My logo{$tagImg}{$closeTagSpan}':
'{$startTagSpan}Mon logo{$tagImg}{$closeTagSpan}',
'{$startTagNgTemplate} Hello {$closeTagNgTemplate}{$startTagNgContainer} Bye {$closeTagNgContainer}':
'{$startTagNgTemplate} Bonjour {$closeTagNgTemplate}{$startTagNgContainer} Au revoir {$closeTagNgContainer}',
'{$startTagNgTemplate}{$startTagSpan}Hello{$closeTagSpan}{$closeTagNgTemplate}{$startTagNgContainer}{$startTagSpan_1}Hello{$closeTagSpan}{$closeTagNgContainer}':
'{$startTagNgTemplate}{$startTagSpan}Bonjour{$closeTagSpan}{$closeTagNgTemplate}{$startTagNgContainer}{$startTagSpan_1}Bonjour{$closeTagSpan}{$closeTagNgContainer}',
'{VAR_SELECT, select, 10 {ten} 20 {twenty} other {other}}':
'{VAR_SELECT, select, 10 {dix} 20 {vingt} other {autres}}',
'{VAR_SELECT, select, 10 {10 - {$startBoldText}ten{$closeBoldText}} 20 {20 - {$startItalicText}twenty{$closeItalicText}} other {{$startTagDiv}{$startUnderlinedText}other{$closeUnderlinedText}{$closeTagDiv}}}':
'{VAR_SELECT, select, 10 {10 - {$startBoldText}dix{$closeBoldText}} 20 {20 - {$startItalicText}vingt{$closeItalicText}} other {{$startTagDiv}{$startUnderlinedText}autres{$closeUnderlinedText}{$closeTagDiv}}}',
'{VAR_SELECT_2, select, 10 {ten - {VAR_SELECT, select, 1 {one} 2 {two} other {more than two}}} 20 {twenty - {VAR_SELECT_1, select, 1 {one} 2 {two} other {more than two}}} other {other}}':
'{VAR_SELECT_2, select, 10 {dix - {VAR_SELECT, select, 1 {un} 2 {deux} other {plus que deux}}} 20 {vingt - {VAR_SELECT_1, select, 1 {un} 2 {deux} other {plus que deux}}} other {autres}}'
};
const getFixtureWithOverrides = (overrides = {}) => {
TestBed.overrideComponent(MyComp, {set: overrides});
const fixture = TestBed.createComponent(MyComp);
fixture.detectChanges();
return fixture;
};
onlyInIvy('Ivy i18n logic').describe('i18n', function() {
beforeEach(() => {
polyfillGoogGetMsg(TRANSLATIONS);
TestBed.configureTestingModule({declarations: [MyComp, DirectiveWithTplRef]});
});
describe('attributes', () => {
it('should translate static attributes', () => {
const title = 'Hello';
const template = `<div i18n-title="m|d" title="${title}"></div>`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
expect(element.title).toBe('Bonjour');
});
it('should support interpolation', () => {
const title = 'Hello {{ name }}';
const template = `<div i18n-title="m|d" title="${title}"></div>`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
expect(element.title).toBe('Bonjour John');
});
it('should support interpolation with custom interpolation config', () => {
const title = 'Hello {% name %}';
const template = `<div i18n-title="m|d" title="${title}"></div>`;
const interpolation = ['{%', '%}'] as[string, string];
const fixture = getFixtureWithOverrides({template, interpolation});
const element = fixture.nativeElement.firstChild;
expect(element.title).toBe('Bonjour John');
});
it('should correctly bind to context in nested template', () => {
const title = 'Item {{ id }}';
const template = `
<div *ngFor='let id of items'>
<div i18n-title='m|d' title='${title}'></div>
</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement;
for (let i = 0; i < element.children.length; i++) {
const child = element.children[i];
expect((child as any).innerHTML).toBe(`<div title="Article ${i + 1}"></div>`);
}
});
fixmeIvy('FW-904: i18n attributes placed on i18n root node don\'t work')
.it('should work correctly when placed on i18n root node', () => {
const title = 'Hello {{ name }}';
const content = 'Hello';
const template = `
<div i18n i18n-title="m|d" title="${title}">${content}</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
expect(element.title).toBe('Bonjour John');
expect(element).toHaveText('Bonjour');
});
it('should add i18n attributes on self-closing tags', () => {
const title = 'Hello {{ name }}';
const template = `<img src="logo.png" i18n-title title="${title}">`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
expect(element.title).toBe('Bonjour John');
});
});
describe('nested nodes', () => {
it('should handle static content', () => {
const content = 'Hello';
const template = `<div i18n>${content}</div>`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
expect(element).toHaveText('Bonjour');
});
it('should support interpolation', () => {
const content = 'Hello {{ name }}';
const template = `<div i18n>${content}</div>`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
expect(element).toHaveText('Bonjour John');
});
it('should support interpolation with custom interpolation config', () => {
const content = 'Hello {% name %}';
const template = `<div i18n>${content}</div>`;
const interpolation = ['{%', '%}'] as[string, string];
const fixture = getFixtureWithOverrides({template, interpolation});
const element = fixture.nativeElement.firstChild;
expect(element).toHaveText('Bonjour John');
});
it('should properly escape quotes in content', () => {
const content = `'Single quotes' and "Double quotes"`;
const template = `<div i18n>${content}</div>`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
expect(element).toHaveText('\'Guillemets simples\' et "Guillemets doubles"');
});
it('should correctly bind to context in nested template', () => {
const content = 'Item {{ id }}';
const template = `
<div *ngFor='let id of items'>
<div i18n>${content}</div>
</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement;
for (let i = 0; i < element.children.length; i++) {
const child = element.children[i];
expect(child).toHaveText(`Article ${i + 1}`);
}
});
it('should handle i18n attributes inside i18n section', () => {
const title = 'Hello {{ name }}';
const template = `
<div i18n>
<div i18n-title="m|d" title="${title}"></div>
</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
const content = `<div title="Bonjour John"></div>`;
expect(element.innerHTML).toBe(content);
});
it('should handle i18n blocks in nested templates', () => {
const content = 'Hello {{ name }}';
const template = `
<div *ngIf="visible">
<div i18n>${content}</div>
</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
expect(element.children[0]).toHaveText('Bonjour John');
});
it('should ignore i18n attributes on self-closing tags', () => {
const template = '<img src="logo.png" i18n>';
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement;
expect(element.innerHTML).toBe(template.replace(' i18n', ''));
});
it('should handle i18n attribute with directives', () => {
const content = 'Hello {{ name }}';
const template = `
<div *ngIf="visible" i18n>${content}</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
expect(element).toHaveText('Bonjour John');
});
});
describe('ng-container and ng-template support', () => {
it('should handle single translation message within ng-container', () => {
const content = 'Hello {{ name }}';
const template = `
<ng-container i18n>${content}</ng-container>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
expect(element).toHaveText('Bonjour John');
});
it('should handle single translation message within ng-template', () => {
const content = 'Hello {{ name }}';
const template = `
<ng-template i18n tplRef>${content}</ng-template>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement;
expect(element).toHaveText('Bonjour John');
});
it('should be able to act as child elements inside i18n block (plain text content)', () => {
const hello = 'Hello';
const bye = 'Bye';
const template = `
<div i18n>
<ng-template tplRef>
${hello}
</ng-template>
<ng-container>
${bye}
</ng-container>
</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
expect(element.textContent.replace(/\s+/g, ' ').trim()).toBe('Bonjour Au revoir');
});
fixmeIvy(
'FW-910: Invalid placeholder structure generated when using <ng-template> with content that contains tags')
.it('should be able to act as child elements inside i18n block (text + tags)', () => {
const content = 'Hello';
const template = `
<div i18n>
<ng-template tplRef>
<span>${content}</span>
</ng-template>
<ng-container>
<span>${content}</span>
</ng-container>
</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement;
const spans = element.getElementsByTagName('span');
for (let i = 0; i < spans.length; i++) {
const child = spans[i];
expect((child as any).innerHTML).toBe('Bonjour');
}
});
it('should handle self-closing tags as content', () => {
const label = 'My logo';
const content = `${label}<img src="logo.png" title="Logo">`;
const template = `
<ng-container i18n>
<span>${content}</span>
</ng-container>
<ng-template i18n tplRef>
<span>${content}</span>
</ng-template>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement;
const spans = element.getElementsByTagName('span');
for (let i = 0; i < spans.length; i++) {
const child = spans[i];
expect(child).toHaveText('Mon logo');
}
});
});
describe('ICU logic', () => {
it('should handle single ICUs', () => {
const template = `
<div i18n>{age, select, 10 {ten} 20 {twenty} other {other}}</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement;
expect(element).toHaveText('vingt');
});
it('should support ICUs generated outside of i18n blocks', () => {
const template = `
<div>{age, select, 10 {ten} 20 {twenty} other {other}}</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement;
expect(element).toHaveText('vingt');
});
it('should support interpolation', () => {
const template = `
<div i18n>{age, select, 10 {ten} other {{{ otherLabel }}}}</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement;
expect(element).toHaveText(fixture.componentInstance.otherLabel);
});
it('should support interpolation with custom interpolation config', () => {
const template = `
<div i18n>{age, select, 10 {ten} other {{% otherLabel %}}}</div>
`;
const interpolation = ['{%', '%}'] as[string, string];
const fixture = getFixtureWithOverrides({template, interpolation});
const element = fixture.nativeElement;
expect(element).toHaveText(fixture.componentInstance.otherLabel);
});
it('should handle ICUs with HTML tags inside', () => {
const template = `
<div i18n>
{age, select, 10 {10 - <b>ten</b>} 20 {20 - <i>twenty</i>} other {<div class="other"><u>other</u></div>}}
</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
const italicTags = element.getElementsByTagName('i');
expect(italicTags.length).toBe(1);
expect(italicTags[0].innerHTML).toBe('vingt');
});
fixmeIvy('FW-905: Multiple ICUs in one i18n block are not processed')
.it('should handle multiple ICUs in one block', () => {
const template = `
<div i18n>
{age, select, 10 {ten} 20 {twenty} other {other}} -
{count, select, 1 {one} 2 {two} other {more than two}}
</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
expect(element).toHaveText('vingt - deux');
});
fixmeIvy('FW-906: Multiple ICUs wrapped in HTML tags in one i18n block throw an error')
.it('should handle multiple ICUs in one i18n block wrapped in HTML elements', () => {
const template = `
<div i18n>
<span>
{age, select, 10 {ten} 20 {twenty} other {other}}
</span>
<span>
{count, select, 1 {one} 2 {two} other {more than two}}
</span>
</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
const spans = element.getElementsByTagName('span');
expect(spans.length).toBe(2);
expect(spans[0].innerHTML).toBe('vingt');
expect(spans[1].innerHTML).toBe('deux');
});
it('should handle ICUs inside a template in i18n block', () => {
const template = `
<div i18n>
<span *ngIf="visible">
{age, select, 10 {ten} 20 {twenty} other {other}}
</span>
</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
const spans = element.getElementsByTagName('span');
expect(spans.length).toBe(1);
expect(spans[0]).toHaveText('vingt');
});
it('should handle nested icus', () => {
const template = `
<div i18n>
{age, select,
10 {ten - {count, select, 1 {one} 2 {two} other {more than two}}}
20 {twenty - {count, select, 1 {one} 2 {two} other {more than two}}}
other {other}}
</div>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement.firstChild;
expect(element).toHaveText('vingt - deux');
});
it('should handle ICUs inside <ng-container>', () => {
const template = `
<ng-container i18n>
{age, select, 10 {ten} 20 {twenty} other {other}}
</ng-container>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement;
expect(element).toHaveText('vingt');
});
fixmeIvy('FW-909: ICUs inside <ng-template>s throw errors at runtime')
.it('should handle ICUs inside <ng-template>', () => {
const template = `
<ng-template i18n tplRef>
{age, select, 10 {ten} 20 {twenty} other {other}}
</ng-template>
`;
const fixture = getFixtureWithOverrides({template});
const element = fixture.nativeElement;
expect(element.innerHTML).toBe('vingt');
});
});
});