angular-cn/packages/platform-browser/animations/test/browser_animation_builder_s...

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/**
* @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 {animate, AnimationBuilder, style} from '@angular/animations';
import {AnimationDriver} from '@angular/animations/browser';
import {MockAnimationDriver} from '@angular/animations/browser/testing';
import {Component, ViewChild} from '@angular/core';
import {fakeAsync, flushMicrotasks, TestBed} from '@angular/core/testing';
import {NoopAnimationsModule, ɵBrowserAnimationBuilder as BrowserAnimationBuilder} from '@angular/platform-browser/animations';
import {el} from '../../testing/src/browser_util';
{
describe('BrowserAnimationBuilder', () => {
if (isNode) return;
let element: any;
beforeEach(() => {
element = el('<div></div>');
TestBed.configureTestingModule({
imports: [NoopAnimationsModule],
providers: [{provide: AnimationDriver, useClass: MockAnimationDriver}]
});
});
it('should inject AnimationBuilder into a component', () => {
@Component({
selector: 'ani-cmp',
template: '...',
})
class Cmp {
constructor(public builder: AnimationBuilder) {}
}
TestBed.configureTestingModule({declarations: [Cmp]});
const fixture = TestBed.createComponent(Cmp);
const cmp = fixture.componentInstance;
fixture.detectChanges();
expect(cmp.builder instanceof BrowserAnimationBuilder).toBeTruthy();
});
it('should listen on start and done on the animation builder\'s player', fakeAsync(() => {
@Component({
selector: 'ani-cmp',
template: '...',
})
class Cmp {
@ViewChild('target') public target: any;
constructor(public builder: AnimationBuilder) {}
build() {
const definition =
this.builder.build([style({opacity: 0}), animate(1000, style({opacity: 1}))]);
return definition.create(this.target);
}
}
TestBed.configureTestingModule({declarations: [Cmp]});
const fixture = TestBed.createComponent(Cmp);
const cmp = fixture.componentInstance;
fixture.detectChanges();
const player = cmp.build();
let started = false;
player.onStart(() => started = true);
let finished = false;
player.onDone(() => finished = true);
let destroyed = false;
player.onDestroy(() => destroyed = true);
player.init();
flushMicrotasks();
expect(started).toBeFalsy();
expect(finished).toBeFalsy();
expect(destroyed).toBeFalsy();
player.play();
flushMicrotasks();
expect(started).toBeTruthy();
expect(finished).toBeFalsy();
expect(destroyed).toBeFalsy();
player.finish();
flushMicrotasks();
expect(started).toBeTruthy();
expect(finished).toBeTruthy();
expect(destroyed).toBeFalsy();
player.destroy();
flushMicrotasks();
expect(started).toBeTruthy();
expect(finished).toBeTruthy();
expect(destroyed).toBeTruthy();
}));
});
}