/
i18n_spec.ts
3133 lines (2743 loc) Β· 113 KB
/
i18n_spec.ts
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/**
* @license
* Copyright Google LLC 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
*/
// Make the `$localize()` global function available to the compiled templates, and the direct calls
// below. This would normally be done inside the application `polyfills.ts` file.
import '@angular/localize/init';
import {CommonModule, DOCUMENT, registerLocaleData} from '@angular/common';
import localeEs from '@angular/common/locales/es';
import localeRo from '@angular/common/locales/ro';
import {computeMsgId} from '@angular/compiler';
import {Attribute, Component, ContentChild, ContentChildren, Directive, ElementRef, HostBinding, Input, LOCALE_ID, NO_ERRORS_SCHEMA, Pipe, PipeTransform, QueryList, RendererFactory2, TemplateRef, Type, ViewChild, ViewContainerRef, Ι΅setDocument} from '@angular/core';
import {DebugNode, HEADER_OFFSET, TVIEW} from '@angular/core/src/render3/interfaces/view';
import {getComponentLView} from '@angular/core/src/render3/util/discovery_utils';
import {TestBed} from '@angular/core/testing';
import {clearTranslations, loadTranslations} from '@angular/localize';
import {By, Ι΅DomRendererFactory2 as DomRendererFactory2} from '@angular/platform-browser';
import {expect} from '@angular/platform-browser/testing/src/matchers';
import {onlyInIvy} from '@angular/private/testing';
import {BehaviorSubject} from 'rxjs';
onlyInIvy('Ivy i18n logic').describe('runtime i18n', () => {
beforeEach(() => {
TestBed.configureTestingModule({
declarations: [AppComp, DirectiveWithTplRef, UppercasePipe],
// In some of the tests we use made-up tag names for better readability, however
// they'll cause validation errors. Add the `NO_ERRORS_SCHEMA` so that we don't have
// to declare dummy components for each one of them.
schemas: [NO_ERRORS_SCHEMA],
});
});
afterEach(() => {
clearTranslations();
});
it('should translate text', () => {
loadTranslations({[computeMsgId('text')]: 'texte'});
const fixture = initWithTemplate(AppComp, `<div i18n>text</div>`);
expect(fixture.nativeElement.innerHTML).toEqual(`<div>texte</div>`);
});
it('should support interpolations', () => {
loadTranslations({[computeMsgId('Hello {$INTERPOLATION}!')]: 'Bonjour {$INTERPOLATION}!'});
const fixture = initWithTemplate(AppComp, `<div i18n>Hello {{name}}!</div>`);
expect(fixture.nativeElement.innerHTML).toEqual(`<div>Bonjour Angular!</div>`);
fixture.componentRef.instance.name = `John`;
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML).toEqual(`<div>Bonjour John!</div>`);
});
it('should support named interpolations', () => {
loadTranslations({
[computeMsgId(' Hello {$USER_NAME}! Emails: {$AMOUNT_OF_EMAILS_RECEIVED} ')]:
' Bonjour {$USER_NAME}! Emails: {$AMOUNT_OF_EMAILS_RECEIVED} '
});
const fixture = initWithTemplate(AppComp, `
<div i18n>
Hello {{ name // i18n(ph="user_name") }}!
Emails: {{ count // i18n(ph="amount of emails received") }}
</div>
`);
expect(fixture.nativeElement.innerHTML).toEqual(`<div> Bonjour Angular! Emails: 0 </div>`);
fixture.componentRef.instance.name = `John`;
fixture.componentRef.instance.count = 5;
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML).toEqual(`<div> Bonjour John! Emails: 5 </div>`);
});
it('should support interpolations with custom interpolation config', () => {
loadTranslations({[computeMsgId('Hello {$INTERPOLATION}')]: 'Bonjour {$INTERPOLATION}'});
const interpolation = ['{%', '%}'] as [string, string];
TestBed.overrideComponent(AppComp, {set: {interpolation}});
const fixture = initWithTemplate(AppComp, `<div i18n>Hello {% name %}</div>`);
expect(fixture.nativeElement.innerHTML).toBe('<div>Bonjour Angular</div>');
});
it('should support &ngsp; in translatable sections', () => {
// note: the `ξ` unicode symbol represents the `&ngsp;` in translations
loadTranslations({[computeMsgId('text |ξ|')]: 'texte |ξ|'});
const fixture = initWithTemplate(AppCompWithWhitespaces, `<div i18n>text |&ngsp;|</div>`);
expect(fixture.nativeElement.innerHTML).toEqual(`<div>texte | |</div>`);
});
it('should support interpolations with complex expressions', () => {
loadTranslations({
[computeMsgId(' {$INTERPOLATION} - {$INTERPOLATION_1} - {$INTERPOLATION_2} ')]:
' {$INTERPOLATION} - {$INTERPOLATION_1} - {$INTERPOLATION_2} (fr) '
});
const fixture = initWithTemplate(AppComp, `
<div i18n>
{{ name | uppercase }} -
{{ obj?.a?.b }} -
{{ obj?.getA()?.b }}
</div>
`);
// the `obj` field is not yet defined, so 2nd and 3rd interpolations return empty
// strings
expect(fixture.nativeElement.innerHTML).toEqual(`<div> ANGULAR - - (fr) </div>`);
fixture.componentRef.instance.obj = {
a: {b: 'value 1'},
getA: () => ({b: 'value 2'}),
};
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div> ANGULAR - value 1 - value 2 (fr) </div>`);
});
it('should support elements', () => {
loadTranslations({
[computeMsgId(
'Hello {$START_TAG_SPAN}world{$CLOSE_TAG_SPAN} and {$START_TAG_DIV}universe{$CLOSE_TAG_DIV}!',
'')]:
'Bonjour {$START_TAG_SPAN}monde{$CLOSE_TAG_SPAN} et {$START_TAG_DIV}univers{$CLOSE_TAG_DIV}!'
});
const fixture = initWithTemplate(
AppComp, `<div i18n>Hello <span>world</span> and <div>universe</div>!</div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>Bonjour <span>monde</span> et <div>univers</div>!</div>`);
});
it('should support removing elements', () => {
loadTranslations({
[computeMsgId(
'Hello {$START_BOLD_TEXT}my{$CLOSE_BOLD_TEXT}{$START_TAG_SPAN}world{$CLOSE_TAG_SPAN}',
'')]: 'Bonjour {$START_TAG_SPAN}monde{$CLOSE_TAG_SPAN}'
});
const fixture =
initWithTemplate(AppComp, `<div i18n>Hello <b>my</b><span>world</span></div><div>!</div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>Bonjour <span>monde</span></div><div>!</div>`);
});
it('should support moving elements', () => {
loadTranslations({
[computeMsgId(
'Hello {$START_TAG_SPAN}world{$CLOSE_TAG_SPAN} and {$START_TAG_DIV}universe{$CLOSE_TAG_DIV}!',
'')]:
'Bonjour {$START_TAG_DIV}univers{$CLOSE_TAG_DIV} et {$START_TAG_SPAN}monde{$CLOSE_TAG_SPAN}!'
});
const fixture = initWithTemplate(
AppComp, `<div i18n>Hello <span>world</span> and <div>universe</div>!</div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>Bonjour <div>univers</div> et <span>monde</span>!</div>`);
});
it('should support template directives', () => {
loadTranslations({
[computeMsgId(
'Content: {$START_TAG_DIV}before{$START_TAG_SPAN}middle{$CLOSE_TAG_SPAN}after{$CLOSE_TAG_DIV}!',
'')]:
'Contenu: {$START_TAG_DIV}avant{$START_TAG_SPAN}milieu{$CLOSE_TAG_SPAN}après{$CLOSE_TAG_DIV}!'
});
const fixture = initWithTemplate(
AppComp,
`<div i18n>Content: <div *ngIf="visible">before<span>middle</span>after</div>!</div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>Contenu: <div>avant<span>milieu</span>après</div><!--bindings={
"ng-reflect-ng-if": "true"
}-->!</div>`);
fixture.componentRef.instance.visible = false;
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML).toEqual(`<div>Contenu: <!--bindings={
"ng-reflect-ng-if": "false"
}-->!</div>`);
});
it('should support multiple i18n blocks', () => {
loadTranslations({
[computeMsgId('trad {$INTERPOLATION}')]: 'traduction {$INTERPOLATION}',
[computeMsgId('start {$INTERPOLATION} middle {$INTERPOLATION_1} end')]:
'start {$INTERPOLATION_1} middle {$INTERPOLATION} end',
[computeMsgId(
'{$START_TAG_C}trad{$CLOSE_TAG_C}{$START_TAG_D}{$CLOSE_TAG_D}{$START_TAG_E}{$CLOSE_TAG_E}',
'')]: '{$START_TAG_E}{$CLOSE_TAG_E}{$START_TAG_C}traduction{$CLOSE_TAG_C}'
});
const fixture = initWithTemplate(AppComp, `
<div>
<a i18n>trad {{name}}</a>
hello
<b i18n i18n-title title="start {{count}} middle {{name}} end">
<c>trad</c>
<d></d>
<e></e>
</b>
</div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(
`<div><a>traduction Angular</a> hello <b title="start Angular middle 0 end"><e></e><c>traduction</c></b></div>`);
});
it('should support multiple sibling i18n blocks', () => {
loadTranslations({
[computeMsgId('Section 1')]: 'Section un',
[computeMsgId('Section 2')]: 'Section deux',
[computeMsgId('Section 3')]: 'Section trois',
});
const fixture = initWithTemplate(AppComp, `
<div>
<div i18n>Section 1</div>
<div i18n>Section 2</div>
<div i18n>Section 3</div>
</div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div><div>Section un</div><div>Section deux</div><div>Section trois</div></div>`);
});
it('should support multiple sibling i18n blocks inside of a template directive', () => {
loadTranslations({
[computeMsgId('Section 1')]: 'Section un',
[computeMsgId('Section 2')]: 'Section deux',
[computeMsgId('Section 3')]: 'Section trois',
});
const fixture = initWithTemplate(AppComp, `
<ul *ngFor="let item of [1,2,3]">
<li i18n>Section 1</li>
<li i18n>Section 2</li>
<li i18n>Section 3</li>
</ul>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(
`<ul><li>Section un</li><li>Section deux</li><li>Section trois</li></ul><ul><li>Section un</li><li>Section deux</li><li>Section trois</li></ul><ul><li>Section un</li><li>Section deux</li><li>Section trois</li></ul><!--bindings={
"ng-reflect-ng-for-of": "1,2,3"
}-->`);
});
it('should properly escape quotes in content', () => {
loadTranslations({
[computeMsgId('\'Single quotes\' and "Double quotes"')]:
'\'Guillemets simples\' et "Guillemets doubles"'
});
const fixture =
initWithTemplate(AppComp, `<div i18n>'Single quotes' and "Double quotes"</div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual('<div>\'Guillemets simples\' et "Guillemets doubles"</div>');
});
it('should correctly bind to context in nested template', () => {
loadTranslations({[computeMsgId('Item {$INTERPOLATION}')]: 'Article {$INTERPOLATION}'});
const fixture = initWithTemplate(AppComp, `
<div *ngFor='let id of items'>
<div i18n>Item {{ id }}</div>
</div>
`);
const element = fixture.nativeElement;
for (let i = 0; i < element.children.length; i++) {
const child = element.children[i];
expect(child).toHaveText(`Article ${i + 1}`);
}
});
it('should ignore i18n attributes on self-closing tags', () => {
const fixture = initWithTemplate(AppComp, '<img src="logo.png" i18n>');
expect(fixture.nativeElement.innerHTML).toBe(`<img src="logo.png">`);
});
it('should handle i18n attribute with directives', () => {
loadTranslations({[computeMsgId('Hello {$INTERPOLATION}')]: 'Bonjour {$INTERPOLATION}'});
const fixture = initWithTemplate(AppComp, `<div *ngIf="visible" i18n>Hello {{ name }}</div>`);
expect(fixture.nativeElement.firstChild).toHaveText('Bonjour Angular');
});
it('should work correctly with event listeners', () => {
loadTranslations({[computeMsgId('Hello {$INTERPOLATION}')]: 'Bonjour {$INTERPOLATION}'});
@Component(
{selector: 'app-comp', template: `<div i18n (click)="onClick()">Hello {{ name }}</div>`})
class ListenerComp {
name = `Angular`;
clicks = 0;
onClick() {
this.clicks++;
}
}
TestBed.configureTestingModule({declarations: [ListenerComp]});
const fixture = TestBed.createComponent(ListenerComp);
fixture.detectChanges();
const element = fixture.nativeElement.firstChild;
const instance = fixture.componentInstance;
expect(element).toHaveText('Bonjour Angular');
expect(instance.clicks).toBe(0);
element.click();
expect(instance.clicks).toBe(1);
});
it('should support local refs inside i18n block', () => {
loadTranslations({
[computeMsgId(
'{$START_TAG_NG_CONTAINER} One {$CLOSE_TAG_NG_CONTAINER}' +
'{$START_TAG_DIV} Two {$CLOSE_TAG_DIV}' +
'{$START_TAG_SPAN} Three {$CLOSE_TAG_SPAN}' +
'{$START_TAG_NG_TEMPLATE} Four {$CLOSE_TAG_NG_TEMPLATE}' +
'{$START_TAG_NG_CONTAINER_1}{$CLOSE_TAG_NG_CONTAINER}')]:
'{$START_TAG_NG_CONTAINER} Une {$CLOSE_TAG_NG_CONTAINER}' +
'{$START_TAG_DIV} Deux {$CLOSE_TAG_DIV}' +
'{$START_TAG_SPAN} Trois {$CLOSE_TAG_SPAN}' +
'{$START_TAG_NG_TEMPLATE} Quatre {$CLOSE_TAG_NG_TEMPLATE}' +
'{$START_TAG_NG_CONTAINER_1}{$CLOSE_TAG_NG_CONTAINER}'
});
const fixture = initWithTemplate(AppComp, `
<div i18n>
<ng-container #localRefA> One </ng-container>
<div #localRefB> Two </div>
<span #localRefC> Three </span>
<ng-template #localRefD> Four </ng-template>
<ng-container *ngTemplateOutlet="localRefD"></ng-container>
</div>
`);
expect(fixture.nativeElement.textContent).toBe(' Une Deux Trois Quatre ');
});
it('should handle local refs correctly in case an element is removed in translation', () => {
loadTranslations({
[computeMsgId(
'{$START_TAG_NG_CONTAINER} One {$CLOSE_TAG_NG_CONTAINER}' +
'{$START_TAG_DIV} Two {$CLOSE_TAG_DIV}' +
'{$START_TAG_SPAN} Three {$CLOSE_TAG_SPAN}')]: '{$START_TAG_DIV} Deux {$CLOSE_TAG_DIV}'
});
const fixture = initWithTemplate(AppComp, `
<div i18n>
<ng-container #localRefA> One </ng-container>
<div #localRefB> Two </div>
<span #localRefC> Three </span>
</div>
`);
expect(fixture.nativeElement.textContent).toBe(' Deux ');
});
describe('ng-container and ng-template support', () => {
it('should support ng-container', () => {
loadTranslations({[computeMsgId('text')]: 'texte'});
const fixture = initWithTemplate(AppComp, `<ng-container i18n>text</ng-container>`);
expect(fixture.nativeElement.innerHTML).toEqual(`texte<!--ng-container-->`);
});
it('should handle single translation message within ng-template', () => {
loadTranslations({[computeMsgId('Hello {$INTERPOLATION}')]: 'Bonjour {$INTERPOLATION}'});
const fixture =
initWithTemplate(AppComp, `<ng-template i18n tplRef>Hello {{ name }}</ng-template>`);
const element = fixture.nativeElement;
expect(element).toHaveText('Bonjour Angular');
});
// Note: applying structural directives to <ng-template> is typically user error, but it
// is technically allowed, so we need to support it.
it('should handle structural directives on ng-template', () => {
loadTranslations({[computeMsgId('Hello {$INTERPOLATION}')]: 'Bonjour {$INTERPOLATION}'});
const fixture = initWithTemplate(
AppComp, `<ng-template *ngIf="name" i18n tplRef>Hello {{ name }}</ng-template>`);
const element = fixture.nativeElement;
expect(element).toHaveText('Bonjour Angular');
});
it('should be able to act as child elements inside i18n block (plain text content)', () => {
loadTranslations({
[computeMsgId(
'{$START_TAG_NG_TEMPLATE} Hello {$CLOSE_TAG_NG_TEMPLATE}{$START_TAG_NG_CONTAINER} Bye {$CLOSE_TAG_NG_CONTAINER}',
'')]:
'{$START_TAG_NG_TEMPLATE} Bonjour {$CLOSE_TAG_NG_TEMPLATE}{$START_TAG_NG_CONTAINER} Au revoir {$CLOSE_TAG_NG_CONTAINER}'
});
const fixture = initWithTemplate(AppComp, `
<div i18n>
<ng-template tplRef>
Hello
</ng-template>
<ng-container>
Bye
</ng-container>
</div>
`);
const element = fixture.nativeElement.firstChild;
expect(element.textContent.replace(/\s+/g, ' ').trim()).toBe('Bonjour Au revoir');
});
it('should be able to act as child elements inside i18n block (text + tags)', () => {
loadTranslations({
[computeMsgId(
'{$START_TAG_NG_TEMPLATE}{$START_TAG_SPAN}Hello{$CLOSE_TAG_SPAN}{$CLOSE_TAG_NG_TEMPLATE}{$START_TAG_NG_CONTAINER}{$START_TAG_SPAN}Hello{$CLOSE_TAG_SPAN}{$CLOSE_TAG_NG_CONTAINER}',
'')]:
'{$START_TAG_NG_TEMPLATE}{$START_TAG_SPAN}Bonjour{$CLOSE_TAG_SPAN}{$CLOSE_TAG_NG_TEMPLATE}{$START_TAG_NG_CONTAINER}{$START_TAG_SPAN}Bonjour{$CLOSE_TAG_SPAN}{$CLOSE_TAG_NG_CONTAINER}'
});
const fixture = initWithTemplate(AppComp, `
<div i18n>
<ng-template tplRef>
<span>Hello</span>
</ng-template>
<ng-container>
<span>Hello</span>
</ng-container>
</div>
`);
const element = fixture.nativeElement;
const spans = element.getElementsByTagName('span');
for (let i = 0; i < spans.length; i++) {
expect(spans[i]).toHaveText('Bonjour');
}
});
it('should be able to act as child elements inside i18n block (text + pipes)', () => {
loadTranslations({
[computeMsgId(
'{$START_TAG_NG_TEMPLATE}Hello {$INTERPOLATION}{$CLOSE_TAG_NG_TEMPLATE}{$START_TAG_NG_CONTAINER}Bye {$INTERPOLATION}{$CLOSE_TAG_NG_CONTAINER}',
'')]:
'{$START_TAG_NG_TEMPLATE}Hej {$INTERPOLATION}{$CLOSE_TAG_NG_TEMPLATE}{$START_TAG_NG_CONTAINER}Vi ses {$INTERPOLATION}{$CLOSE_TAG_NG_CONTAINER}'
});
const fixture = initWithTemplate(AppComp, `
<div i18n>
<ng-template tplRef>Hello {{name | uppercase}}</ng-template>
<ng-container>Bye {{name | uppercase}}</ng-container>
</div>
`);
const element = fixture.nativeElement.firstChild;
expect(element.textContent.replace(/\s+/g, ' ').trim()).toBe('Hej ANGULARVi ses ANGULAR');
});
it('should be able to handle deep nested levels with templates', () => {
loadTranslations({
[computeMsgId(
'{$START_TAG_SPAN} Hello - 1 {$CLOSE_TAG_SPAN}{$START_TAG_SPAN_1} Hello - 2 {$START_TAG_SPAN_1} Hello - 3 {$START_TAG_SPAN_1} Hello - 4 {$CLOSE_TAG_SPAN}{$CLOSE_TAG_SPAN}{$CLOSE_TAG_SPAN}{$START_TAG_SPAN} Hello - 5 {$CLOSE_TAG_SPAN}',
'')]:
'{$START_TAG_SPAN} Bonjour - 1 {$CLOSE_TAG_SPAN}{$START_TAG_SPAN_1} Bonjour - 2 {$START_TAG_SPAN_1} Bonjour - 3 {$START_TAG_SPAN_1} Bonjour - 4 {$CLOSE_TAG_SPAN}{$CLOSE_TAG_SPAN}{$CLOSE_TAG_SPAN}{$START_TAG_SPAN} Bonjour - 5 {$CLOSE_TAG_SPAN}'
});
const fixture = initWithTemplate(AppComp, `
<div i18n>
<span>
Hello - 1
</span>
<span *ngIf="visible">
Hello - 2
<span *ngIf="visible">
Hello - 3
<span *ngIf="visible">
Hello - 4
</span>
</span>
</span>
<span>
Hello - 5
</span>
</div>
`);
const element = fixture.nativeElement;
const spans = element.getElementsByTagName('span');
for (let i = 0; i < spans.length; i++) {
expect(spans[i].innerHTML).toContain(`Bonjour - ${i + 1}`);
}
});
it('should handle self-closing tags as content', () => {
loadTranslations({
[computeMsgId('{$START_TAG_SPAN}My logo{$TAG_IMG}{$CLOSE_TAG_SPAN}')]:
'{$START_TAG_SPAN}Mon logo{$TAG_IMG}{$CLOSE_TAG_SPAN}'
});
const content = `My logo<img src="logo.png" title="Logo">`;
const fixture = initWithTemplate(AppComp, `
<ng-container i18n>
<span>${content}</span>
</ng-container>
<ng-template i18n tplRef>
<span>${content}</span>
</ng-template>
`);
const element = fixture.nativeElement;
const spans = element.getElementsByTagName('span');
for (let i = 0; i < spans.length; i++) {
const child = spans[i];
expect(child).toHaveText('Mon logo');
}
});
it('should correctly find context for an element inside i18n section in <ng-template>', () => {
loadTranslations({
[computeMsgId('{$START_LINK}Not logged in{$CLOSE_LINK}')]:
'{$START_LINK}Not logged in{$CLOSE_LINK}'
});
@Directive({selector: '[myDir]'})
class Dir {
condition = true;
}
@Component({
selector: 'my-cmp',
template: `
<div *ngIf="isLogged; else notLoggedIn">
<span>Logged in</span>
</div>
<ng-template #notLoggedIn i18n>
<a myDir>Not logged in</a>
</ng-template>
`,
})
class Cmp {
isLogged = false;
}
TestBed.configureTestingModule({
declarations: [Cmp, Dir],
});
const fixture = TestBed.createComponent(Cmp);
fixture.detectChanges();
const a = fixture.debugElement.query(By.css('a'));
const dir = a.injector.get(Dir);
expect(dir.condition).toEqual(true);
});
});
describe('should work correctly with namespaces', () => {
beforeEach(() => {
function _document(): any {
// Tell Ivy about the global document
Ι΅setDocument(document);
return document;
}
TestBed.configureTestingModule({
providers: [
{provide: DOCUMENT, useFactory: _document, deps: []},
// TODO(FW-811): switch back to default server renderer (i.e. remove the line
// below) once it starts to support Ivy namespace format (URIs) correctly. For
// now, use `DomRenderer` that supports Ivy namespace format.
{provide: RendererFactory2, useClass: DomRendererFactory2}
],
});
});
it('should handle namespaces inside i18n blocks', () => {
loadTranslations({
[computeMsgId(
'{$START_TAG__XHTML_DIV} Hello ' +
'{$START_TAG__XHTML_SPAN}world{$CLOSE_TAG__XHTML_SPAN}{$CLOSE_TAG__XHTML_DIV}')]:
'{$START_TAG__XHTML_DIV} Bonjour ' +
'{$START_TAG__XHTML_SPAN}monde{$CLOSE_TAG__XHTML_SPAN}{$CLOSE_TAG__XHTML_DIV}'
});
const fixture = initWithTemplate(AppComp, `
<svg xmlns="http://www.w3.org/2000/svg">
<foreignObject i18n>
<xhtml:div xmlns="http://www.w3.org/1999/xhtml">
Hello <span>world</span>
</xhtml:div>
</foreignObject>
</svg>
`);
const element = fixture.nativeElement;
expect(element.textContent.trim()).toBe('Bonjour monde');
expect(element.querySelector('svg').namespaceURI).toBe('http://www.w3.org/2000/svg');
expect(element.querySelector('div').namespaceURI).toBe('http://www.w3.org/1999/xhtml');
expect(element.querySelector('span').namespaceURI).toBe('http://www.w3.org/1999/xhtml');
});
it('should handle namespaces on i18n block containers', () => {
loadTranslations({
[computeMsgId(' Hello {$START_TAG__XHTML_SPAN}world{$CLOSE_TAG__XHTML_SPAN}')]:
' Bonjour {$START_TAG__XHTML_SPAN}monde{$CLOSE_TAG__XHTML_SPAN}'
});
const fixture = initWithTemplate(AppComp, `
<svg xmlns="http://www.w3.org/2000/svg">
<foreignObject>
<xhtml:div xmlns="http://www.w3.org/1999/xhtml" i18n>
Hello <span>world</span>
</xhtml:div>
</foreignObject>
</svg>
`);
const element = fixture.nativeElement;
expect(element.textContent.trim()).toBe('Bonjour monde');
expect(element.querySelector('svg').namespaceURI).toBe('http://www.w3.org/2000/svg');
expect(element.querySelector('div').namespaceURI).toBe('http://www.w3.org/1999/xhtml');
expect(element.querySelector('span').namespaceURI).toBe('http://www.w3.org/1999/xhtml');
});
});
describe('dynamic TNodes', () => {
// When translation occurs the i18n system needs to create dynamic TNodes for the text
// nodes so that they can be correctly processed by the `addRemoveViewFromContainer`.
function toTypeContent(n: DebugNode): string {
return `${n.type}(${n.html})`;
}
it('should not create dynamic TNode when no i18n', () => {
const fixture = initWithTemplate(AppComp, `Hello <b>World</b>!`);
const lView = getComponentLView(fixture.componentInstance);
const hello_ = (fixture.nativeElement as Element).firstChild!;
const b = hello_.nextSibling!;
const world = b.firstChild!;
const exclamation = b.nextSibling!;
const lViewDebug = lView.debug!;
expect(lViewDebug.nodes.map(toTypeContent)).toEqual([
'Text(Hello )', 'Element(<b>)', 'Text(!)'
]);
expect(lViewDebug.decls).toEqual({
start: HEADER_OFFSET,
end: HEADER_OFFSET + 4,
length: 4,
content: [
jasmine.objectContaining({index: HEADER_OFFSET + 0, l: hello_}),
jasmine.objectContaining({index: HEADER_OFFSET + 1, l: b}),
jasmine.objectContaining({index: HEADER_OFFSET + 2, l: world}),
jasmine.objectContaining({index: HEADER_OFFSET + 3, l: exclamation}),
]
});
expect(lViewDebug.expando)
.toEqual(
{start: lViewDebug.vars.end, end: lViewDebug.expando.start, length: 0, content: []});
});
describe('ICU', () => {
// In the case of ICUs we can't create TNodes for each ICU part, as different ICU
// instances may have different selections active and hence have different shape. In
// such a case a single `TIcuContainerNode` should be generated only.
it('should create a single dynamic TNode for ICU', () => {
const fixture = initWithTemplate(AppComp, `
{count, plural,
=0 {just now}
=1 {one minute ago}
other {{{count}} minutes ago}
}
`.trim());
const lView = getComponentLView(fixture.componentInstance);
const lViewDebug = lView.debug!;
fixture.detectChanges();
expect((fixture.nativeElement as Element).textContent).toEqual('just now');
expect(lViewDebug.nodes.map(toTypeContent)).toEqual([
`IcuContainer(<!--ICU ${HEADER_OFFSET + 0}:0-->)`
]);
// We want to ensure that the ICU container does not have any content!
// This is because the content is instance dependent and therefore can't be shared
// across `TNode`s.
expect(lViewDebug.nodes[0].children.map(toTypeContent)).toEqual([]);
expect(fixture.nativeElement.innerHTML)
.toEqual(`just now<!--ICU ${HEADER_OFFSET + 0}:0-->`);
});
it('should support multiple ICUs', () => {
const fixture = initWithTemplate(AppComp, `
{count, plural,
=0 {just now}
=1 {one minute ago}
other {{{count}} minutes ago}
}
{name, select,
Angular {Mr. Angular}
other {Sir}
}
`);
const lView = getComponentLView(fixture.componentInstance);
expect(lView.debug!.nodes.map(toTypeContent)).toEqual([
`IcuContainer(<!--ICU ${HEADER_OFFSET + 0}:0-->)`,
`IcuContainer(<!--ICU ${HEADER_OFFSET + 1}:0-->)`,
]);
// We want to ensure that the ICU container does not have any content!
// This is because the content is instance dependent and therefore can't be shared
// across `TNode`s.
expect(lView.debug!.nodes[0].children.map(toTypeContent)).toEqual([]);
expect(fixture.nativeElement.innerHTML)
.toEqual(`just now<!--ICU ${HEADER_OFFSET + 0}:0-->Mr. Angular<!--ICU ${
HEADER_OFFSET + 1}:0-->`);
});
});
});
describe('should support ICU expressions', () => {
it('with no root node', () => {
loadTranslations({
[computeMsgId('{VAR_SELECT, select, 10 {ten} 20 {twenty} other {other}}')]:
'{VAR_SELECT, select, 10 {dix} 20 {vingt} other {autre}}'
});
const fixture =
initWithTemplate(AppComp, `{count, select, 10 {ten} 20 {twenty} other {other}}`);
const element = fixture.nativeElement;
expect(element).toHaveText('autre');
});
it('with no root node and text surrounding ICU', () => {
loadTranslations({
[computeMsgId('{VAR_SELECT, select, 10 {Ten} 20 {Twenty} other {Other}}')]:
'{VAR_SELECT, select, 10 {Dix} 20 {Vingt} other {Autre}}'
});
const fixture = initWithTemplate(AppComp, `
ICU start -->
{count, select, 10 {Ten} 20 {Twenty} other {Other}}
<-- ICU end
`);
const element = fixture.nativeElement;
expect(element.textContent).toContain('ICU start --> Autre <-- ICU end');
});
it('when `select` or `plural` keywords have spaces after them', () => {
loadTranslations({
[computeMsgId('{VAR_SELECT , select , 10 {ten} 20 {twenty} other {other}}')]:
'{VAR_SELECT , select , 10 {dix} 20 {vingt} other {autre}}',
[computeMsgId('{VAR_PLURAL , plural , =0 {zero} =1 {one} other {other}}')]:
'{VAR_PLURAL , plural , =0 {zΓ©ro} =1 {une} other {autre}}'
});
const fixture = initWithTemplate(AppComp, `
<div i18n>
{count, select , 10 {ten} 20 {twenty} other {other}} -
{count, plural , =0 {zero} =1 {one} other {other}}
</div>
`);
const element = fixture.nativeElement;
expect(element.textContent).toContain('autre - zΓ©ro');
});
it('with no root node and text and DOM nodes surrounding ICU', () => {
loadTranslations({
[computeMsgId('{VAR_SELECT, select, 10 {Ten} 20 {Twenty} other {Other}}')]:
'{VAR_SELECT, select, 10 {Dix} 20 {Vingt} other {Autre}}'
});
const fixture = initWithTemplate(AppComp, `
<span>ICU start --> </span>
{count, select, 10 {Ten} 20 {Twenty} other {Other}}
<-- ICU end
`);
const element = fixture.nativeElement;
expect(element.textContent).toContain('ICU start --> Autre <-- ICU end');
});
it('with no i18n tag', () => {
loadTranslations({
[computeMsgId('{VAR_SELECT, select, 10 {ten} 20 {twenty} other {other}}')]:
'{VAR_SELECT, select, 10 {dix} 20 {vingt} other {autre}}'
});
const fixture = initWithTemplate(
AppComp, `<div>{count, select, 10 {ten} 20 {twenty} other {other}}</div>`);
const element = fixture.nativeElement;
expect(element).toHaveText('autre');
});
it('multiple', () => {
loadTranslations({
[computeMsgId(
'{VAR_PLURAL, plural, =0 {no {START_BOLD_TEXT}emails{CLOSE_BOLD_TEXT}!} =1 {one {START_ITALIC_TEXT}email{CLOSE_ITALIC_TEXT}} other {{INTERPOLATION} {START_TAG_SPAN}emails{CLOSE_TAG_SPAN}}}',
'')]:
'{VAR_PLURAL, plural, =0 {aucun {START_BOLD_TEXT}email{CLOSE_BOLD_TEXT}!} =1 {un {START_ITALIC_TEXT}email{CLOSE_ITALIC_TEXT}} other {{INTERPOLATION} {START_TAG_SPAN}emails{CLOSE_TAG_SPAN}}}',
[computeMsgId('{VAR_SELECT, select, other {({INTERPOLATION})}}')]:
'{VAR_SELECT, select, other {({INTERPOLATION})}}',
[computeMsgId('{$ICU} - {$ICU_1}')]: '{$ICU} - {$ICU_1}',
});
const fixture = initWithTemplate(AppComp, `<div i18n>{count, plural,
=0 {no <b>emails</b>!}
=1 {one <i>email</i>}
other {{{count}} <span title="{{name}}">emails</span>}
} - {name, select,
other {({{name}})}
}</div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>aucun <b>email</b>!<!--ICU ${HEADER_OFFSET + 1}:0--> - (Angular)<!--ICU ${
HEADER_OFFSET + 1}:3--></div>`);
fixture.componentRef.instance.count = 4;
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>4 <span title="Angular">emails</span><!--ICU ${
HEADER_OFFSET + 1}:0--> - (Angular)<!--ICU ${HEADER_OFFSET + 1}:3--></div>`);
fixture.componentRef.instance.count = 0;
fixture.componentRef.instance.name = 'John';
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>aucun <b>email</b>!<!--ICU ${HEADER_OFFSET + 1}:0--> - (John)<!--ICU ${
HEADER_OFFSET + 1}:3--></div>`);
});
it('with custom interpolation config', () => {
loadTranslations({
[computeMsgId('{VAR_SELECT, select, 10 {ten} other {{INTERPOLATION}}}')]:
'{VAR_SELECT, select, 10 {dix} other {{INTERPOLATION}}}'
});
const interpolation = ['{%', '%}'] as [string, string];
TestBed.overrideComponent(AppComp, {set: {interpolation}});
const fixture =
initWithTemplate(AppComp, `<div i18n>{count, select, 10 {ten} other {{% name %}}}</div>`);
expect(fixture.nativeElement).toHaveText(`Angular`);
});
it('inside HTML elements', () => {
loadTranslations({
[computeMsgId(
'{VAR_PLURAL, plural, =0 {no {START_BOLD_TEXT}emails{CLOSE_BOLD_TEXT}!} =1 {one {START_ITALIC_TEXT}email{CLOSE_ITALIC_TEXT}} other {{INTERPOLATION} {START_TAG_SPAN}emails{CLOSE_TAG_SPAN}}}',
'')]:
'{VAR_PLURAL, plural, =0 {aucun {START_BOLD_TEXT}email{CLOSE_BOLD_TEXT}!} =1 {un {START_ITALIC_TEXT}email{CLOSE_ITALIC_TEXT}} other {{INTERPOLATION} {START_TAG_SPAN}emails{CLOSE_TAG_SPAN}}}',
[computeMsgId('{VAR_SELECT, select, other {({INTERPOLATION})}}')]:
'{VAR_SELECT, select, other {({INTERPOLATION})}}',
[computeMsgId(
'{$START_TAG_SPAN_1}{$ICU}{$CLOSE_TAG_SPAN} - ' +
'{$START_TAG_SPAN_1}{$ICU_1}{$CLOSE_TAG_SPAN}')]:
'{$START_TAG_SPAN_1}{$ICU}{$CLOSE_TAG_SPAN} - {$START_TAG_SPAN_1}{$ICU_1}{$CLOSE_TAG_SPAN}',
});
const fixture = initWithTemplate(AppComp, `<div i18n><span>{count, plural,
=0 {no <b>emails</b>!}
=1 {one <i>email</i>}
other {{{count}} <span title="{{name}}">emails</span>}
}</span> - <span>{name, select,
other {({{name}})}
}</span></div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(
`<div>` +
`<span>aucun <b>email</b>!<!--ICU ${HEADER_OFFSET + 1}:0--></span>` +
` - ` +
`<span>(Angular)<!--ICU ${HEADER_OFFSET + 1}:3--></span>` +
`</div>`);
fixture.componentRef.instance.count = 4;
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML)
.toEqual(
`<div>` +
`<span>4 <span title="Angular">emails</span><!--ICU ${
HEADER_OFFSET + 1}:0--></span>` +
` - ` +
`<span>(Angular)<!--ICU ${HEADER_OFFSET + 1}:3--></span>` +
`</div>`);
fixture.componentRef.instance.count = 0;
fixture.componentRef.instance.name = 'John';
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML)
.toEqual(
`<div>` +
`<span>aucun <b>email</b>!<!--ICU ${HEADER_OFFSET + 1}:0--></span>` +
` - ` +
`<span>(John)<!--ICU ${HEADER_OFFSET + 1}:3--></span>` +
`</div>`);
});
it('inside template directives', () => {
loadTranslations({
[computeMsgId('{$START_TAG_SPAN}{$ICU}{$CLOSE_TAG_SPAN}')]:
'{$START_TAG_SPAN}{$ICU}{$CLOSE_TAG_SPAN}',
[computeMsgId('{VAR_SELECT, select, other {({INTERPOLATION})}}')]:
'{VAR_SELECT, select, other {({INTERPOLATION})}}'
});
const fixture = initWithTemplate(AppComp, `<div i18n><span *ngIf="visible">{name, select,
other {({{name}})}
}</span></div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div><span>(Angular)<!--ICU ${HEADER_OFFSET + 0}:0--></span><!--bindings={
"ng-reflect-ng-if": "true"
}--></div>`);
fixture.componentRef.instance.visible = false;
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML).toEqual(`<div><!--bindings={
"ng-reflect-ng-if": "false"
}--></div>`);
});
it('inside ng-container', () => {
loadTranslations({
[computeMsgId('{VAR_SELECT, select, other {({INTERPOLATION})}}')]:
'{VAR_SELECT, select, other {({INTERPOLATION})}}'
});
const fixture = initWithTemplate(AppComp, `<ng-container i18n>{name, select,
other {({{name}})}
}</ng-container>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(`(Angular)<!--ICU ${HEADER_OFFSET + 1}:0--><!--ng-container-->`);
});
it('inside <ng-template>', () => {
loadTranslations({
[computeMsgId('{VAR_SELECT, select, 10 {ten} 20 {twenty} other {other}}')]:
'{VAR_SELECT, select, 10 {dix} 20 {vingt} other {autre}}'
});
const fixture = initWithTemplate(
AppComp,
`
<ng-template i18n tplRef>` +
`{count, select, 10 {ten} 20 {twenty} other {other}}` +
`</ng-template>
`);
const element = fixture.nativeElement;
expect(element).toHaveText('autre');
});
it('nested', () => {
loadTranslations({
[computeMsgId(
'{VAR_PLURAL, plural, =0 {zero} other {{INTERPOLATION} {VAR_SELECT, select, cat {cats} dog {dogs} other {animals}}!}}',
'')]:
'{VAR_PLURAL, plural, =0 {zero} other {{INTERPOLATION} {VAR_SELECT, select, cat {chats} dog {chiens} other {animaux}}!}}'
});
const fixture = initWithTemplate(AppComp, `<div i18n>{count, plural,
=0 {zero}
other {{{count}} {name, select,
cat {cats}
dog {dogs}
other {animals}
}!}
}</div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>zero<!--ICU ${HEADER_OFFSET + 1}:1--></div>`);
fixture.componentRef.instance.count = 4;
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>4 animaux<!--nested ICU 0-->!<!--ICU ${HEADER_OFFSET + 1}:1--></div>`);
});
it('nested with interpolations in "other" blocks', () => {
loadTranslations({
[computeMsgId(
'{VAR_PLURAL, plural, =0 {zero} =2 {{INTERPOLATION} {VAR_SELECT, select, cat {cats} dog {dogs} other {animals}}!} other {other - {INTERPOLATION}}}',
'')]:
'{VAR_PLURAL, plural, =0 {zero} =2 {{INTERPOLATION} {VAR_SELECT, select, cat {chats} dog {chiens} other {animaux}}!} other {autre - {INTERPOLATION}}}'
});
const fixture = initWithTemplate(AppComp, `<div i18n>{count, plural,
=0 {zero}
=2 {{{count}} {name, select,
cat {cats}
dog {dogs}
other {animals}
}!}
other {other - {{count}}}
}</div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>zero<!--ICU ${HEADER_OFFSET + 1}:1--></div>`);
fixture.componentRef.instance.count = 2;
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>2 animaux<!--nested ICU 0-->!<!--ICU ${HEADER_OFFSET + 1}:1--></div>`);
fixture.componentRef.instance.count = 4;
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>autre - 4<!--ICU ${HEADER_OFFSET + 1}:1--></div>`);
});
it('should return the correct plural form for ICU expressions when using "ro" locale', () => {
// The "ro" locale has a complex plural function that can handle muliple options
// (and string inputs)
//
// function plural(n: number): number {
// let i = Math.floor(Math.abs(n)), v = n.toString().replace(/^[^.]*\.?/, '').length;
// if (i === 1 && v === 0) return 1;
// if (!(v === 0) || n === 0 ||
// !(n === 1) && n % 100 === Math.floor(n % 100) && n % 100 >= 1 && n % 100 <= 19)
// return 3;
// return 5;
// }
//
// Compare this to the "es" locale in the next test
loadTranslations({
[computeMsgId(
'{VAR_PLURAL, plural, =0 {no email} =one {one email} =few {a few emails} =other {lots of emails}}')]:
'{VAR_PLURAL, plural, =0 {no email} =one {one email} =few {a few emails} =other {lots of emails}}'
});
registerLocaleData(localeRo);
TestBed.configureTestingModule({providers: [{provide: LOCALE_ID, useValue: 'ro'}]});
// We could also use `TestBed.overrideProvider(LOCALE_ID, {useValue: 'ro'});`
const fixture = initWithTemplate(AppComp, `
{count, plural,
=0 {no email}
=one {one email}
=few {a few emails}
=other {lots of emails}
}`);