angular-cn/packages/core/test/acceptance/debug_spec.ts

36 lines
1.3 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 {Component} from '@angular/core';
import {getLContext} from '@angular/core/src/render3/context_discovery';
import {LViewDebug, toDebug} from '@angular/core/src/render3/instructions/lview_debug';
import {TestBed} from '@angular/core/testing';
import {expect} from '@angular/platform-browser/testing/src/matchers';
import {onlyInIvy} from '@angular/private/testing';
describe('Debug Representation', () => {
onlyInIvy('Ivy specific').it('should generate a human readable version', () => {
@Component({selector: 'my-comp', template: '<div id="123">Hello World</div>'})
class MyComponent {
}
TestBed.configureTestingModule({declarations: [MyComponent]});
const fixture = TestBed.createComponent(MyComponent);
fixture.detectChanges();
const hostView = toDebug(getLContext(fixture.componentInstance) !.lView);
expect(hostView.host).toEqual(null);
const myCompView = hostView.childViews[0] as LViewDebug;
expect(myCompView.host).toContain('<div id="123">Hello World</div>');
expect(myCompView.nodes ![0].html).toEqual('<div id="123">');
expect(myCompView.nodes ![0].nodes ![0].html).toEqual('Hello World');
});
});