8ced999e47
* Improves the `compiler-cli/integrationtest` codegen output test slightly by using a more clear test description and by adding an assertion that ensures that decorators are downleveled. PR Close #28191
100 lines
3.7 KiB
TypeScript
100 lines
3.7 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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import './init';
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import * as fs from 'fs';
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import * as path from 'path';
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import {MultipleComponentsMyComp} from '../src/a/multiple_components';
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import {BasicComp} from '../src/basic';
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import {createComponent} from './util';
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describe('template codegen output', () => {
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const outDir = 'src';
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it('should be able to lower annotations as static fields', () => {
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const basicFilePath = path.join(outDir, 'basic.js');
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expect(fs.existsSync(basicFilePath)).toBeTruthy();
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const fileContent = fs.readFileSync(basicFilePath, 'utf8');
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expect(fileContent).not.toContain('Reflect.decorate');
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expect(fileContent).toContain('BasicComp.decorators = [');
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});
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it('should produce metadata.json outputs', () => {
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const metadataOutput = path.join(outDir, 'basic.metadata.json');
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expect(fs.existsSync(metadataOutput)).toBeTruthy();
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const output = fs.readFileSync(metadataOutput, {encoding: 'utf-8'});
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expect(output).toContain('"decorators":');
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expect(output).toContain('"module":"@angular/core","name":"Component"');
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});
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it('should write .d.ts files', () => {
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const dtsOutput = path.join(outDir, 'basic.d.ts');
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expect(fs.existsSync(dtsOutput)).toBeTruthy();
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expect(fs.readFileSync(dtsOutput, {encoding: 'utf-8'})).toContain('Basic');
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});
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it('should write .ngfactory.js for .d.ts inputs', () => {
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const factoryOutput = path.join('node_modules', '@angular', 'common', 'common.ngfactory.js');
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expect(fs.existsSync(factoryOutput)).toBeTruthy();
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});
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it('should be able to create the basic component', () => {
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const compFixture = createComponent(BasicComp);
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expect(compFixture.componentInstance).toBeTruthy();
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});
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it('should support ngIf', () => {
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const compFixture = createComponent(BasicComp);
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const debugElement = compFixture.debugElement;
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expect(debugElement.children.length).toBe(3);
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compFixture.componentInstance.ctxBool = true;
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compFixture.detectChanges();
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expect(debugElement.children.length).toBe(4);
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expect(debugElement.children[2].injector.get(MultipleComponentsMyComp)).toBeTruthy();
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});
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it('should support ngFor', () => {
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const compFixture = createComponent(BasicComp);
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const debugElement = compFixture.debugElement;
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expect(debugElement.children.length).toBe(3);
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// test NgFor
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compFixture.componentInstance.ctxArr = [1, 2];
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compFixture.detectChanges();
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expect(debugElement.children.length).toBe(5);
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expect(debugElement.children[2].attributes['value']).toBe('1');
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expect(debugElement.children[3].attributes['value']).toBe('2');
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});
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describe('i18n', () => {
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it('should inject the locale into the component', () => {
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const compFixture = createComponent(BasicComp);
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expect(compFixture.componentInstance.localeId).toEqual('fi');
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});
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it('should inject the translations format into the component', () => {
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const compFixture = createComponent(BasicComp);
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expect(compFixture.componentInstance.translationsFormat).toEqual('xlf');
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});
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it('should support i18n for content tags', () => {
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const containerElement = createComponent(BasicComp).nativeElement;
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const pElement = containerElement.querySelector('p');
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const pText = pElement.textContent;
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expect(pText).toBe('tervetuloa');
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});
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it('should have removed i18n markup', () => {
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const containerElement = createComponent(BasicComp).debugElement.children[0];
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expect(containerElement.attributes['title']).toBe('käännä teksti');
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expect(containerElement.attributes['i18n-title']).toBeUndefined();
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});
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});
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});
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