angular-docs-cn/modules/@angular/compiler-cli/integrationtest/test/basic_spec.ts

68 lines
2.4 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 './init';
import * as fs from 'fs';
import * as path from 'path';
import {MultipleComponentsMyComp} from '../src/a/multiple_components';
import {BasicComp} from '../src/basic';
import {createComponent} from './util';
describe('template codegen output', () => {
const outDir = 'src';
it('should lower Decorators without reflect-metadata', () => {
const jsOutput = path.join(outDir, 'basic.js');
expect(fs.existsSync(jsOutput)).toBeTruthy();
expect(fs.readFileSync(jsOutput, {encoding: 'utf-8'})).not.toContain('Reflect.decorate');
});
it('should produce metadata.json outputs', () => {
const metadataOutput = path.join(outDir, 'basic.metadata.json');
expect(fs.existsSync(metadataOutput)).toBeTruthy();
const output = fs.readFileSync(metadataOutput, {encoding: 'utf-8'});
expect(output).toContain('"decorators":');
expect(output).toContain('"module":"@angular/core","name":"Component"');
});
it('should write .d.ts files', () => {
const dtsOutput = path.join(outDir, 'basic.d.ts');
expect(fs.existsSync(dtsOutput)).toBeTruthy();
expect(fs.readFileSync(dtsOutput, {encoding: 'utf-8'})).toContain('Basic');
});
it('should be able to create the basic component', () => {
var compFixture = createComponent(BasicComp);
expect(compFixture.componentInstance).toBeTruthy();
});
it('should support ngIf', () => {
var compFixture = createComponent(BasicComp);
var debugElement = compFixture.debugElement;
expect(debugElement.children.length).toBe(2);
compFixture.componentInstance.ctxBool = true;
compFixture.detectChanges();
expect(debugElement.children.length).toBe(3);
expect(debugElement.children[2].injector.get(MultipleComponentsMyComp)).toBeTruthy();
});
it('should support ngFor', () => {
var compFixture = createComponent(BasicComp);
var debugElement = compFixture.debugElement;
expect(debugElement.children.length).toBe(2);
// test NgFor
compFixture.componentInstance.ctxArr = [1, 2];
compFixture.detectChanges();
expect(debugElement.children.length).toBe(4);
expect(debugElement.children[2].attributes['value']).toBe('1');
expect(debugElement.children[3].attributes['value']).toBe('2');
});
});