angular-cn/packages/animations/test/animation_player_spec.ts

84 lines
2.6 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 {fakeAsync} from '@angular/core/testing';
import {flushMicrotasks} from '../../core/testing/src/fake_async';
import {NoopAnimationPlayer} from '../src/players/animation_player';
import {scheduleMicroTask} from '../src/util';
{
describe('NoopAnimationPlayer', function() {
it('should finish after the next microtask once started', fakeAsync(() => {
const log: string[] = [];
const player = new NoopAnimationPlayer();
player.onStart(() => log.push('started'));
player.onDone(() => log.push('done'));
flushMicrotasks();
expect(log).toEqual([]);
player.play();
expect(log).toEqual(['started']);
flushMicrotasks();
expect(log).toEqual(['started', 'done']);
}));
it('should fire all callbacks when destroyed', () => {
const log: string[] = [];
const player = new NoopAnimationPlayer();
player.onStart(() => log.push('started'));
player.onDone(() => log.push('done'));
player.onDestroy(() => log.push('destroy'));
expect(log).toEqual([]);
player.destroy();
expect(log).toEqual(['started', 'done', 'destroy']);
});
it('should fire start/done callbacks manually when called directly', fakeAsync(() => {
const log: string[] = [];
const player = new NoopAnimationPlayer();
player.onStart(() => log.push('started'));
player.onDone(() => log.push('done'));
flushMicrotasks();
(player as any).triggerCallback('start');
expect(log).toEqual(['started']);
player.play();
expect(log).toEqual(['started']);
(player as any).triggerCallback('done');
expect(log).toEqual(['started', 'done']);
player.finish();
expect(log).toEqual(['started', 'done']);
flushMicrotasks();
expect(log).toEqual(['started', 'done']);
}));
it('should fire off start callbacks before triggering the finish callback', fakeAsync(() => {
const log: string[] = [];
const player = new NoopAnimationPlayer();
player.onStart(() => { scheduleMicroTask(() => log.push('started')); });
player.onDone(() => log.push('done'));
expect(log).toEqual([]);
player.play();
expect(log).toEqual([]);
flushMicrotasks();
expect(log).toEqual(['started', 'done']);
}));
});
}