365 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			365 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| /**
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|  * @license
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|  * Copyright Google Inc. All Rights Reserved.
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|  *
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|  * Use of this source code is governed by an MIT-style license that can be
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|  * found in the LICENSE file at https://angular.io/license
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|  */
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| 
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| import {setup} from '@angular/compiler/test/aot/test_util';
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| import {compile, expectEmit} from './mock_compile';
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| 
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| const TRANSLATION_NAME_REGEXP = /^MSG_[A-Z0-9]+/;
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| 
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| describe('i18n support in the view compiler', () => {
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|   const angularFiles = setup({
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|     compileAngular: false,
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|     compileFakeCore: true,
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|     compileAnimations: false,
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|   });
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| 
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|   describe('single text nodes', () => {
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|     it('should translate single text nodes with the i18n attribute', () => {
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|       const files = {
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|         app: {
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|           'spec.ts': `
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|             import {Component, NgModule} from '@angular/core';
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| 
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|             @Component({
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|               selector: 'my-component',
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|               template: \`
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|                 <div i18n>Hello world</div>
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|                 <div>&</div>
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|                 <div i18n>farewell</div>
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|                 <div i18n>farewell</div>
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|               \`
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|             })
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|             export class MyComponent {}
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| 
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|             @NgModule({declarations: [MyComponent]})
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|             export class MyModule {}
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|           `
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|         }
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|       };
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| 
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|       const template = `
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|         const $msg_1$ = goog.getMsg("Hello world");
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|         const $msg_2$ = goog.getMsg("farewell");
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|         …
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|         template: function MyComponent_Template(rf, ctx) {
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|           if (rf & 1) {
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|             …
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|             $r3$.ɵtext(1, $msg_1$);
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|             …
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|             $r3$.ɵtext(3,"&");
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|             …
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|             $r3$.ɵtext(5, $msg_2$);
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|             …
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|             $r3$.ɵtext(7, $msg_2$);
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|             …
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|           }
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|         }
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|       `;
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| 
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|       const result = compile(files, angularFiles);
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|       expectEmit(result.source, template, 'Incorrect template', {
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|         '$msg_1$': TRANSLATION_NAME_REGEXP,
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|         '$msg_2$': TRANSLATION_NAME_REGEXP,
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|       });
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|     });
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| 
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|     it('should add the meaning and description as JsDoc comments', () => {
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|       const files = {
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|         app: {
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|           'spec.ts': `
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|             import {Component, NgModule} from '@angular/core';
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| 
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|             @Component({
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|               selector: 'my-component',
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|               template: \`
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|                 <div i18n="meaning|desc@@id" i18n-title="desc" title="introduction">Hello world</div>
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|               \`
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|             })
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|             export class MyComponent {}
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| 
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|             @NgModule({declarations: [MyComponent]})
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|             export class MyModule {}
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|           `
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|         }
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|       };
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| 
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|       const template = `
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|         /**
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|          * @desc desc
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|          */
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|         const $MSG_APP_SPEC_TS_0$ = goog.getMsg("introduction");
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|         const $_c1$ = ["title", $MSG_APP_SPEC_TS_0$, 0];
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|         …
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|         /**
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|          * @desc desc
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|          * @meaning meaning
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|          */
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|         const $MSG_APP_SPEC_TS_2$ = goog.getMsg("Hello world");
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|         …
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|         template: function MyComponent_Template(rf, ctx) {
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|           if (rf & 1) {
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|             $r3$.ɵelementStart(0, "div");
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|             $r3$.ɵi18nAttribute(1, $_c1$);
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|             $r3$.ɵtext(2, $MSG_APP_SPEC_TS_2$);
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|             $r3$.ɵelementEnd();
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|           }
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|         }
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|       `;
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| 
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|       const result = compile(files, angularFiles);
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|       expectEmit(result.source, template, 'Incorrect template');
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|     });
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|   });
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| 
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|   describe('element attributes', () => {
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| 
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|     it('should translate static attributes', () => {
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|       const files = {
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|         app: {
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|           'spec.ts': `
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|             import {Component, NgModule} from '@angular/core';
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| 
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|             @Component({
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|               selector: 'my-component',
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|               template: \`
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|                 <div i18n id="static" i18n-title="m|d" title="introduction"></div>
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|               \`
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|             })
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|             export class MyComponent {}
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| 
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|             @NgModule({declarations: [MyComponent]})
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|             export class MyModule {}
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|           `
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|         }
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|       };
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| 
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|       const template = `
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|         const $_c0$ = ["id", "static"];
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|         /**
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|          * @desc d
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|          * @meaning m
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|          */
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|         const $MSG_APP_SPEC_TS_1$ = goog.getMsg("introduction");
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|         const $_c2$ = ["title", MSG_APP_SPEC_TS_1, 0];
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|         …
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|         template: function MyComponent_Template(rf, ctx) {
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|           if (rf & 1) {
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|             $r3$.ɵelementStart(0, "div", $_c0$);
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|             $r3$.ɵi18nAttribute(1, $_c2$);
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|             $r3$.ɵelementEnd();
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|           }
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|         }
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|       `;
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| 
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|       const result = compile(files, angularFiles);
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|       expectEmit(result.source, template, 'Incorrect template');
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|     });
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| 
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|     it('should support interpolation', () => {
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|       const files = {
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|         app: {
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|           'spec.ts': `
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|             import {Component, NgModule} from '@angular/core';
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| 
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|             @Component({
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|               selector: 'my-component',
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|               template: \`
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|                 <div i18n id="dynamic-1"
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|                   i18n-title="m|d" title="intro {{ valueA | uppercase }}"
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|                   i18n-aria-label="m1|d1" aria-label="{{ valueB }}"
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|                   i18n-aria-roledescription aria-roledescription="static text"
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|                 ></div>
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|                 <div i18n id="dynamic-2"
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|                   i18n-title="m2|d2" title="{{ valueA }} and {{ valueB }} and again {{ valueA + valueB }}"
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|                   i18n-aria-roledescription aria-roledescription="{{ valueC }}"
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|                 ></div>
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|               \`
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|             })
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|             export class MyComponent {}
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| 
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|             @NgModule({declarations: [MyComponent]})
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|             export class MyModule {}
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|         `
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|         }
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|       };
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| 
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|       const template = String.raw `
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|         const $_c0$ = ["id", "dynamic-1"];
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|         /**
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|          * @desc d
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|          * @meaning m
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|          */
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|         const $MSG_APP_SPEC_TS_1$ = goog.getMsg("intro \uFFFD0\uFFFD");
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|         /**
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|          * @desc d1
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|          * @meaning m1
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|          */
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|         const $MSG_APP_SPEC_TS_2$ = goog.getMsg("\uFFFD0\uFFFD");
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|         const $MSG_APP_SPEC_TS_3$ = goog.getMsg("static text");
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|         const $_c4$ = ["title", $MSG_APP_SPEC_TS_1$, 1, "aria-label", $MSG_APP_SPEC_TS_2$, 1, "aria-roledescription", $MSG_APP_SPEC_TS_3$, 0];
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|         const $_c5$ = ["id", "dynamic-2"];
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|         /**
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|          * @desc d2
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|          * @meaning m2
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|          */
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|         const $MSG_APP_SPEC_TS_6$ = goog.getMsg("\uFFFD0\uFFFD and \uFFFD1\uFFFD and again \uFFFD2\uFFFD");
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|         const $MSG_APP_SPEC_TS_7$ = goog.getMsg("\uFFFD0\uFFFD");
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|         const $_c8$ = ["title", $MSG_APP_SPEC_TS_6$, 3, "aria-roledescription", $MSG_APP_SPEC_TS_7$, 1];
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|         …
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|         template: function MyComponent_Template(rf, ctx) {
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|           if (rf & 1) {
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|             $r3$.ɵelementStart(0, "div", $_c0$);
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|             $r3$.ɵpipe(1, "uppercase");
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|             $r3$.ɵi18nAttribute(2, $_c4$);
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|             $r3$.ɵelementEnd();
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|             $r3$.ɵelementStart(3, "div", $_c5$);
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|             $r3$.ɵi18nAttribute(4, $_c8$);
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|             $r3$.ɵelementEnd();
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|           }
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|           if (rf & 2) {
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|             $r3$.ɵi18nExp($r3$.ɵbind($r3$.ɵpipeBind1(1, 0, ctx.valueA)));
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|             $r3$.ɵi18nExp($r3$.ɵbind(ctx.valueB));
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|             $r3$.ɵi18nApply(2);
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|             $r3$.ɵi18nExp($r3$.ɵbind(ctx.valueA));
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|             $r3$.ɵi18nExp($r3$.ɵbind(ctx.valueB));
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|             $r3$.ɵi18nExp($r3$.ɵbind((ctx.valueA + ctx.valueB)));
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|             $r3$.ɵi18nExp($r3$.ɵbind(ctx.valueC));
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|             $r3$.ɵi18nApply(4);
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|           }
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|         }
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|       `;
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| 
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|       const result = compile(files, angularFiles);
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|       expectEmit(result.source, template, 'Incorrect template');
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|     });
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| 
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|     it('should correctly bind to context in nested template', () => {
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|       const files = {
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|         app: {
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|           'spec.ts': `
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|             import {Component, NgModule} from '@angular/core';
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| 
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|             @Component({
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|               selector: 'my-component',
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|               template: \`
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|                 <div *ngFor="let outer of items">
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|                   <div i18n-title="m|d" title="different scope {{ outer | uppercase }}">
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|                 </div>
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|               \`
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|             })
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|             export class MyComponent {}
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| 
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|             @NgModule({declarations: [MyComponent]})
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|             export class MyModule {}
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|           `
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|         }
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|       };
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| 
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|       const template = String.raw `
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|         const $_c0$ = ["ngFor", "", 1, "ngForOf"];
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|         /**
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|          * @desc d
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|          * @meaning m
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|          */
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|         const $MSG_APP_SPEC_TS__1$ = goog.getMsg("different scope \uFFFD0\uFFFD");
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|         const $_c2$ = ["title", $MSG_APP_SPEC_TS__1$, 1];
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|         function MyComponent_div_Template_0(rf, ctx) {
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|           if (rf & 1) {
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|             $r3$.ɵelementStart(0, "div");
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|             $r3$.ɵelementStart(1, "div");
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|             $r3$.ɵpipe(2, "uppercase");
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|             $r3$.ɵi18nAttribute(3, $_c2$);
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|             $r3$.ɵelementEnd();
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|             $r3$.ɵelementEnd();
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|           }
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|           if (rf & 2) {
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|             const $outer_r1$ = ctx.$implicit;
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|             $r3$.ɵi18nExp($r3$.ɵbind($r3$.ɵpipeBind1(2, 0, $outer_r1$)));
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|             $r3$.ɵi18nApply(3);
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|           }
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|         }
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|         …
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|         template: function MyComponent_Template(rf, ctx) {
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|           if (rf & 1) {
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|             $r3$.ɵtemplate(0, MyComponent_div_Template_0, 4, 2, null, $_c0$);
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|           }
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|           if (rf & 2) {
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|             $r3$.ɵelementProperty(0, "ngForOf", $r3$.ɵbind(ctx.items));
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|           }
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|         }
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|       `;
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| 
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|       const result = compile(files, angularFiles);
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|       expectEmit(result.source, template, 'Incorrect template');
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|     });
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|   });
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| 
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|   // TODO(vicb): this feature is not supported yet
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|   xdescribe('nested nodes', () => {
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|     it('should generate the placeholders maps', () => {
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|       const files = {
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|         app: {
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|           'spec.ts': `
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|             import {Component, NgModule} from '@angular/core';
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| 
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|             @Component({
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|               selector: 'my-component',
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|               template: \`
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|                 <div i18n>Hello <b>{{name}}<i>!</i><i>!</i></b></div>
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|                 <div>Other</div>
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|                 <div i18n>2nd</div>
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|                 <div i18n><i>3rd</i></div>
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|               \`
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|             })
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|             export class MyComponent {}
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| 
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|             @NgModule({declarations: [MyComponent]})
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|             export class MyModule {}
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|         `
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|         }
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|       };
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| 
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|       const template = `
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|       const $r1$ = {"b":[2], "i":[4, 6]};
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|       const $r2$ = {"i":[13]};
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|     `;
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| 
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|       const result = compile(files, angularFiles);
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|       expectEmit(result.source, template, 'Incorrect template');
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|     });
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|   });
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| 
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|   describe('errors', () => {
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|     it('should throw on nested i18n sections', () => {
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|       const files = {
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|         app: {
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|           'spec.ts': `
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|             import {Component, NgModule} from '@angular/core';
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| 
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|             @Component({
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|               selector: 'my-component',
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|               template: \`
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|                 <div i18n><div i18n></div></div>
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|               \`
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|             })
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|             export class MyComponent {}
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| 
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|             @NgModule({declarations: [MyComponent]})
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|             export class MyModule {}
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|         `
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|         }
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|       };
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| 
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|       expect(() => compile(files, angularFiles))
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|           .toThrowError(
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|               'Could not mark an element as translatable inside of a translatable section');
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|     });
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| 
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|   });
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| });
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