677 lines
25 KiB
TypeScript
677 lines
25 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 {AnimationEvent, AnimationMetadata, AnimationTriggerMetadata, NoopAnimationPlayer, animate, state, style, transition, trigger} from '@angular/animations';
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import {TriggerAst} from '../../src/dsl/animation_ast';
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import {buildAnimationAst} from '../../src/dsl/animation_ast_builder';
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import {buildTrigger} from '../../src/dsl/animation_trigger';
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import {AnimationStyleNormalizer, NoopAnimationStyleNormalizer} from '../../src/dsl/style_normalization/animation_style_normalizer';
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import {TransitionAnimationEngine} from '../../src/render/transition_animation_engine';
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import {MockAnimationDriver, MockAnimationPlayer} from '../../testing/src/mock_animation_driver';
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const DEFAULT_NAMESPACE_ID = 'id';
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export function main() {
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const driver = new MockAnimationDriver();
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// these tests are only mean't to be run within the DOM
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if (typeof Element == 'undefined') return;
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describe('TransitionAnimationEngine', () => {
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let element: any;
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beforeEach(() => {
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MockAnimationDriver.log = [];
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element = document.createElement('div');
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document.body.appendChild(element);
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});
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afterEach(() => { document.body.removeChild(element); });
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function makeEngine(normalizer?: AnimationStyleNormalizer) {
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const engine =
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new TransitionAnimationEngine(driver, normalizer || new NoopAnimationStyleNormalizer());
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engine.createNamespace(DEFAULT_NAMESPACE_ID, element);
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return engine;
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}
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describe('trigger registration', () => {
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it('should ignore and not throw an error if the same trigger is registered twice', () => {
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// TODO (matsko): ask why this is avoided
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const engine = makeEngine();
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registerTrigger(element, engine, trigger('trig', []));
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expect(() => { registerTrigger(element, engine, trigger('trig', [])); }).not.toThrow();
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});
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});
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describe('property setting', () => {
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it('should invoke a transition based on a property change', () => {
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const engine = makeEngine();
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const trig = trigger('myTrigger', [
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transition('* => *', [style({height: '0px'}), animate(1000, style({height: '100px'}))])
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]);
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registerTrigger(element, engine, trig);
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setProperty(element, engine, 'myTrigger', 'value');
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engine.flush();
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expect(engine.players.length).toEqual(1);
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const player = MockAnimationDriver.log.pop() as MockAnimationPlayer;
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expect(player.keyframes).toEqual([
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{height: '0px', offset: 0}, {height: '100px', offset: 1}
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]);
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});
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it('should not queue an animation if the property value has not changed at all', () => {
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const engine = makeEngine();
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const trig = trigger('myTrigger', [
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transition('* => *', [style({height: '0px'}), animate(1000, style({height: '100px'}))])
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]);
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registerTrigger(element, engine, trig);
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engine.flush();
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expect(engine.players.length).toEqual(0);
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setProperty(element, engine, 'myTrigger', 'abc');
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engine.flush();
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expect(engine.players.length).toEqual(1);
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setProperty(element, engine, 'myTrigger', 'abc');
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engine.flush();
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expect(engine.players.length).toEqual(1);
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});
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it('should throw an error if an animation property without a matching trigger is changed',
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() => {
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const engine = makeEngine();
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expect(() => {
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setProperty(element, engine, 'myTrigger', 'no');
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}).toThrowError(/The provided animation trigger "myTrigger" has not been registered!/);
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});
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});
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describe('removal operations', () => {
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it('should cleanup all inner state that\'s tied to an element once removed', () => {
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const engine = makeEngine();
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const trig = trigger('myTrigger', [
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transition(':leave', [style({height: '0px'}), animate(1000, style({height: '100px'}))])
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]);
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registerTrigger(element, engine, trig);
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setProperty(element, engine, 'myTrigger', 'value');
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engine.flush();
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expect(engine.elementContainsData(DEFAULT_NAMESPACE_ID, element)).toBeTruthy();
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engine.removeNode(DEFAULT_NAMESPACE_ID, element, true);
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engine.flush();
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expect(engine.elementContainsData(DEFAULT_NAMESPACE_ID, element)).toBeTruthy();
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});
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it('should create and recreate a namespace for a host element with the same component source',
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() => {
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const engine = makeEngine();
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const trig =
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trigger('myTrigger', [transition('* => *', animate(1234, style({color: 'red'})))]);
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registerTrigger(element, engine, trig);
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setProperty(element, engine, 'myTrigger', 'value');
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engine.flush();
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expect((engine.players[0].getRealPlayer() as MockAnimationPlayer).duration)
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.toEqual(1234);
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engine.destroy(DEFAULT_NAMESPACE_ID, null);
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registerTrigger(element, engine, trig);
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setProperty(element, engine, 'myTrigger', 'value');
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engine.flush();
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expect((engine.players[0].getRealPlayer() as MockAnimationPlayer).duration)
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.toEqual(1234);
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});
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});
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describe('event listeners', () => {
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it('should listen to the onStart operation for the animation', () => {
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const engine = makeEngine();
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const trig = trigger('myTrigger', [
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transition('* => *', [style({height: '0px'}), animate(1000, style({height: '100px'}))])
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]);
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let count = 0;
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registerTrigger(element, engine, trig);
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listen(element, engine, 'myTrigger', 'start', () => count++);
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setProperty(element, engine, 'myTrigger', 'value');
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expect(count).toEqual(0);
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engine.flush();
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expect(count).toEqual(1);
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});
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it('should listen to the onDone operation for the animation', () => {
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const engine = makeEngine();
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const trig = trigger('myTrigger', [
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transition('* => *', [style({height: '0px'}), animate(1000, style({height: '100px'}))])
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]);
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let count = 0;
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registerTrigger(element, engine, trig);
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listen(element, engine, 'myTrigger', 'done', () => count++);
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setProperty(element, engine, 'myTrigger', 'value');
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expect(count).toEqual(0);
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engine.flush();
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expect(count).toEqual(0);
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engine.players[0].finish();
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expect(count).toEqual(1);
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});
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it('should throw an error when an event is listened to that isn\'t supported', () => {
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const engine = makeEngine();
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const trig = trigger('myTrigger', []);
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registerTrigger(element, engine, trig);
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expect(() => { listen(element, engine, 'myTrigger', 'explode', () => {}); })
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.toThrowError(
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/The provided animation trigger event "explode" for the animation trigger "myTrigger" is not supported!/);
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});
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it('should throw an error when an event is listened for a trigger that doesn\'t exist', () => {
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const engine = makeEngine();
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expect(() => { listen(element, engine, 'myTrigger', 'explode', () => {}); })
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.toThrowError(
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/Unable to listen on the animation trigger event "explode" because the animation trigger "myTrigger" doesn\'t exist!/);
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});
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it('should throw an error when an undefined event is listened for', () => {
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const engine = makeEngine();
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const trig = trigger('myTrigger', []);
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registerTrigger(element, engine, trig);
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expect(() => { listen(element, engine, 'myTrigger', '', () => {}); })
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.toThrowError(
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/Unable to listen on the animation trigger "myTrigger" because the provided event is undefined!/);
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});
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it('should retain event listeners and call them for sucessive animation state changes',
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() => {
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const engine = makeEngine();
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const trig = trigger(
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'myTrigger',
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[transition(
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'* => *', [style({height: '0px'}), animate(1000, style({height: '100px'}))])]);
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registerTrigger(element, engine, trig);
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let count = 0;
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listen(element, engine, 'myTrigger', 'start', () => count++);
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setProperty(element, engine, 'myTrigger', '123');
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engine.flush();
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expect(count).toEqual(1);
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setProperty(element, engine, 'myTrigger', '456');
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engine.flush();
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expect(count).toEqual(2);
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});
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it('should only fire event listener changes for when the corresponding trigger changes state',
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() => {
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const engine = makeEngine();
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const trig1 = trigger(
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'myTrigger1',
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[transition(
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'* => 123', [style({height: '0px'}), animate(1000, style({height: '100px'}))])]);
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registerTrigger(element, engine, trig1);
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const trig2 = trigger(
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'myTrigger2',
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[transition(
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'* => 123', [style({width: '0px'}), animate(1000, style({width: '100px'}))])]);
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registerTrigger(element, engine, trig2);
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let count = 0;
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listen(element, engine, 'myTrigger1', 'start', () => count++);
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setProperty(element, engine, 'myTrigger1', '123');
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engine.flush();
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expect(count).toEqual(1);
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setProperty(element, engine, 'myTrigger2', '123');
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engine.flush();
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expect(count).toEqual(1);
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});
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it('should allow a listener to be deregistered, but only after a flush occurs', () => {
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const engine = makeEngine();
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const trig = trigger(
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'myTrigger',
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[transition(
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'* => 123', [style({height: '0px'}), animate(1000, style({height: '100px'}))])]);
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registerTrigger(element, engine, trig);
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let count = 0;
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const deregisterFn = listen(element, engine, 'myTrigger', 'start', () => count++);
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setProperty(element, engine, 'myTrigger', '123');
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engine.flush();
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expect(count).toEqual(1);
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deregisterFn();
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engine.flush();
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setProperty(element, engine, 'myTrigger', '456');
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engine.flush();
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expect(count).toEqual(1);
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});
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it('should trigger a listener callback with an AnimationEvent argument', () => {
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const engine = makeEngine();
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registerTrigger(
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element, engine, trigger('myTrigger', [
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transition(
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'* => *', [style({height: '0px'}), animate(1234, style({height: '100px'}))])
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]));
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// we do this so that the next transition has a starting value that isnt null
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setProperty(element, engine, 'myTrigger', '123');
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engine.flush();
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let capture: AnimationEvent = null !;
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listen(element, engine, 'myTrigger', 'start', e => capture = e);
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listen(element, engine, 'myTrigger', 'done', e => capture = e);
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setProperty(element, engine, 'myTrigger', '456');
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engine.flush();
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delete (capture as any)['_data'];
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expect(capture).toEqual({
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element,
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triggerName: 'myTrigger',
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phaseName: 'start',
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fromState: '123',
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toState: '456',
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totalTime: 1234
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});
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capture = null !;
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const player = engine.players.pop() !;
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player.finish();
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delete (capture as any)['_data'];
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expect(capture).toEqual({
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element,
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triggerName: 'myTrigger',
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phaseName: 'done',
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fromState: '123',
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toState: '456',
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totalTime: 1234
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});
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});
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});
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describe('transition operations', () => {
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it('should persist the styles on the element as actual styles once the animation is complete',
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() => {
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const engine = makeEngine();
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const trig = trigger('something', [
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state('on', style({height: '100px'})), state('off', style({height: '0px'})),
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transition('on => off', animate(9876))
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]);
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registerTrigger(element, engine, trig);
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setProperty(element, engine, trig.name, 'on');
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setProperty(element, engine, trig.name, 'off');
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engine.flush();
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expect(element.style.height).not.toEqual('0px');
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engine.players[0].finish();
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expect(element.style.height).toEqual('0px');
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});
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it('should remove all existing state styling from an element when a follow-up transition occurs on the same trigger',
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() => {
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const engine = makeEngine();
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const trig = trigger('something', [
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state('a', style({height: '100px'})), state('b', style({height: '500px'})),
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state('c', style({width: '200px'})), transition('* => *', animate(9876))
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]);
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registerTrigger(element, engine, trig);
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setProperty(element, engine, trig.name, 'a');
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setProperty(element, engine, trig.name, 'b');
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engine.flush();
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const player1 = engine.players[0];
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player1.finish();
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expect(element.style.height).toEqual('500px');
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setProperty(element, engine, trig.name, 'c');
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engine.flush();
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const player2 = engine.players[0];
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expect(element.style.height).not.toEqual('500px');
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player2.finish();
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expect(element.style.width).toEqual('200px');
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expect(element.style.height).not.toEqual('500px');
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});
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it('should allow two animation transitions with different triggers to animate in parallel',
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() => {
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const engine = makeEngine();
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const trig1 = trigger('something1', [
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state('a', style({width: '100px'})), state('b', style({width: '200px'})),
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transition('* => *', animate(1000))
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]);
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const trig2 = trigger('something2', [
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state('x', style({height: '500px'})), state('y', style({height: '1000px'})),
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transition('* => *', animate(2000))
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]);
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registerTrigger(element, engine, trig1);
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registerTrigger(element, engine, trig2);
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let doneCount = 0;
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function doneCallback() { doneCount++; }
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setProperty(element, engine, trig1.name, 'a');
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setProperty(element, engine, trig1.name, 'b');
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setProperty(element, engine, trig2.name, 'x');
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setProperty(element, engine, trig2.name, 'y');
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engine.flush();
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const player1 = engine.players[0] !;
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player1.onDone(doneCallback);
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expect(doneCount).toEqual(0);
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const player2 = engine.players[1] !;
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player2.onDone(doneCallback);
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expect(doneCount).toEqual(0);
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player1.finish();
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expect(doneCount).toEqual(1);
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player2.finish();
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expect(doneCount).toEqual(2);
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expect(element.style.width).toEqual('200px');
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expect(element.style.height).toEqual('1000px');
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});
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it('should cancel a previously running animation when a follow-up transition kicks off on the same trigger',
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() => {
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const engine = makeEngine();
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const trig = trigger('something', [
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state('x', style({opacity: 0})), state('y', style({opacity: .5})),
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state('z', style({opacity: 1})), transition('* => *', animate(1000))
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]);
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registerTrigger(element, engine, trig);
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setProperty(element, engine, trig.name, 'x');
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setProperty(element, engine, trig.name, 'y');
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engine.flush();
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expect(parseFloat(element.style.opacity)).not.toEqual(.5);
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const player1 = engine.players[0];
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setProperty(element, engine, trig.name, 'z');
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engine.flush();
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const player2 = engine.players[0];
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expect(parseFloat(element.style.opacity)).toEqual(.5);
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player2.finish();
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expect(parseFloat(element.style.opacity)).toEqual(1);
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player1.finish();
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expect(parseFloat(element.style.opacity)).toEqual(1);
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});
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it('should pass in the previously running players into the follow-up transition player when cancelled',
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() => {
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const engine = makeEngine();
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const trig = trigger('something', [
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state('x', style({opacity: 0})), state('y', style({opacity: .5})),
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state('z', style({opacity: 1})), transition('* => *', animate(1000))
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]);
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registerTrigger(element, engine, trig);
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setProperty(element, engine, trig.name, 'x');
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setProperty(element, engine, trig.name, 'y');
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engine.flush();
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const player1 = MockAnimationDriver.log.pop() !as MockAnimationPlayer;
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player1.setPosition(0.5);
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setProperty(element, engine, trig.name, 'z');
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engine.flush();
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const player2 = MockAnimationDriver.log.pop() !as MockAnimationPlayer;
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expect(player2.previousPlayers).toEqual([player1]);
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player2.finish();
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setProperty(element, engine, trig.name, 'x');
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engine.flush();
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const player3 = MockAnimationDriver.log.pop() !as MockAnimationPlayer;
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expect(player3.previousPlayers).toEqual([]);
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});
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it('should cancel all existing players if a removal animation is set to occur', () => {
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const engine = makeEngine();
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const trig = trigger('something', [
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state('m', style({opacity: 0})), state('n', style({opacity: 1})),
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transition('* => *', animate(1000))
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]);
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registerTrigger(element, engine, trig);
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setProperty(element, engine, trig.name, 'm');
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setProperty(element, engine, trig.name, 'n');
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engine.flush();
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let doneCount = 0;
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function doneCallback() { doneCount++; }
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const player1 = engine.players[0];
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player1.onDone(doneCallback);
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expect(doneCount).toEqual(0);
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setProperty(element, engine, trig.name, 'void');
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engine.flush();
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expect(doneCount).toEqual(1);
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});
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it('should only persist styles that exist in the final state styles and not the last keyframe',
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() => {
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const engine = makeEngine();
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const trig = trigger('something', [
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state('0', style({width: '0px'})), state('1', style({width: '100px'})),
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transition('* => *', [animate(1000, style({height: '200px'}))])
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]);
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registerTrigger(element, engine, trig);
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setProperty(element, engine, trig.name, '0');
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setProperty(element, engine, trig.name, '1');
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engine.flush();
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const player = engine.players[0] !;
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expect(element.style.width).not.toEqual('100px');
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player.finish();
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expect(element.style.height).not.toEqual('200px');
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expect(element.style.width).toEqual('100px');
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});
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it('should default to using styling from the `*` state if a matching state is not found',
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() => {
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const engine = makeEngine();
|
|
const trig = trigger('something', [
|
|
state('a', style({opacity: 0})), state('*', style({opacity: .5})),
|
|
transition('* => *', animate(1000))
|
|
]);
|
|
|
|
registerTrigger(element, engine, trig);
|
|
setProperty(element, engine, trig.name, 'a');
|
|
setProperty(element, engine, trig.name, 'z');
|
|
engine.flush();
|
|
|
|
engine.players[0].finish();
|
|
expect(parseFloat(element.style.opacity)).toEqual(.5);
|
|
});
|
|
|
|
it('should treat `void` as `void`', () => {
|
|
const engine = makeEngine();
|
|
const trig = trigger('something', [
|
|
state('a', style({opacity: 0})), state('void', style({opacity: .8})),
|
|
transition('* => *', animate(1000))
|
|
]);
|
|
|
|
registerTrigger(element, engine, trig);
|
|
setProperty(element, engine, trig.name, 'a');
|
|
setProperty(element, engine, trig.name, 'void');
|
|
engine.flush();
|
|
|
|
engine.players[0].finish();
|
|
expect(parseFloat(element.style.opacity)).toEqual(.8);
|
|
});
|
|
});
|
|
|
|
describe('style normalizer', () => {
|
|
it('should normalize the style values that are animateTransitioned within an a transition animation',
|
|
() => {
|
|
const engine = makeEngine(new SuffixNormalizer('-normalized'));
|
|
|
|
const trig = trigger('something', [
|
|
state('on', style({height: 100})), state('off', style({height: 0})),
|
|
transition('on => off', animate(9876))
|
|
]);
|
|
|
|
registerTrigger(element, engine, trig);
|
|
setProperty(element, engine, trig.name, 'on');
|
|
setProperty(element, engine, trig.name, 'off');
|
|
engine.flush();
|
|
|
|
const player = MockAnimationDriver.log.pop() as MockAnimationPlayer;
|
|
expect(player.keyframes).toEqual([
|
|
{'height-normalized': '100-normalized', offset: 0},
|
|
{'height-normalized': '0-normalized', offset: 1}
|
|
]);
|
|
});
|
|
|
|
it('should throw an error when normalization fails within a transition animation', () => {
|
|
const engine = makeEngine(new ExactCssValueNormalizer({left: '100px'}));
|
|
|
|
const trig = trigger('something', [
|
|
state('a', style({left: '0px', width: '200px'})),
|
|
state('b', style({left: '100px', width: '100px'})), transition('a => b', animate(9876))
|
|
]);
|
|
|
|
registerTrigger(element, engine, trig);
|
|
setProperty(element, engine, trig.name, 'a');
|
|
setProperty(element, engine, trig.name, 'b');
|
|
|
|
let errorMessage = '';
|
|
try {
|
|
engine.flush();
|
|
} catch (e) {
|
|
errorMessage = e.toString();
|
|
}
|
|
|
|
expect(errorMessage).toMatch(/Unable to animate due to the following errors:/);
|
|
expect(errorMessage).toMatch(/- The CSS property `left` is not allowed to be `0px`/);
|
|
expect(errorMessage).toMatch(/- The CSS property `width` is not allowed/);
|
|
});
|
|
});
|
|
|
|
describe('view operations', () => {
|
|
it('should perform insert operations immediately ', () => {
|
|
const engine = makeEngine();
|
|
|
|
const child1 = document.createElement('div');
|
|
const child2 = document.createElement('div');
|
|
element.appendChild(child1);
|
|
element.appendChild(child2);
|
|
|
|
element.appendChild(child1);
|
|
engine.insertNode(DEFAULT_NAMESPACE_ID, child1, element, true);
|
|
element.appendChild(child2);
|
|
engine.insertNode(DEFAULT_NAMESPACE_ID, child2, element, true);
|
|
|
|
expect(element.contains(child1)).toBe(true);
|
|
expect(element.contains(child2)).toBe(true);
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
class SuffixNormalizer extends AnimationStyleNormalizer {
|
|
constructor(private _suffix: string) { super(); }
|
|
|
|
normalizePropertyName(propertyName: string, errors: string[]): string {
|
|
return propertyName + this._suffix;
|
|
}
|
|
|
|
normalizeStyleValue(
|
|
userProvidedProperty: string, normalizedProperty: string, value: string|number,
|
|
errors: string[]): string {
|
|
return value + this._suffix;
|
|
}
|
|
}
|
|
|
|
class ExactCssValueNormalizer extends AnimationStyleNormalizer {
|
|
constructor(private _allowedValues: {[propName: string]: any}) { super(); }
|
|
|
|
normalizePropertyName(propertyName: string, errors: string[]): string {
|
|
if (!this._allowedValues[propertyName]) {
|
|
errors.push(`The CSS property \`${propertyName}\` is not allowed`);
|
|
}
|
|
return propertyName;
|
|
}
|
|
|
|
normalizeStyleValue(
|
|
userProvidedProperty: string, normalizedProperty: string, value: string|number,
|
|
errors: string[]): string {
|
|
const expectedValue = this._allowedValues[userProvidedProperty];
|
|
if (expectedValue != value) {
|
|
errors.push(`The CSS property \`${userProvidedProperty}\` is not allowed to be \`${value}\``);
|
|
}
|
|
return expectedValue;
|
|
}
|
|
}
|
|
|
|
function registerTrigger(
|
|
element: any, engine: TransitionAnimationEngine, metadata: AnimationTriggerMetadata,
|
|
id: string = DEFAULT_NAMESPACE_ID) {
|
|
const errors: any[] = [];
|
|
const name = metadata.name;
|
|
const ast = buildAnimationAst(metadata as AnimationMetadata, errors) as TriggerAst;
|
|
if (errors.length) {
|
|
}
|
|
const trigger = buildTrigger(name, ast);
|
|
engine.register(id, element, name, trigger)
|
|
}
|
|
|
|
function setProperty(
|
|
element: any, engine: TransitionAnimationEngine, property: string, value: any,
|
|
id: string = DEFAULT_NAMESPACE_ID) {
|
|
engine.trigger(id, element, property, value);
|
|
}
|
|
|
|
function listen(
|
|
element: any, engine: TransitionAnimationEngine, eventName: string, phaseName: string,
|
|
callback: (event: any) => any, id: string = DEFAULT_NAMESPACE_ID) {
|
|
return engine.listen(id, element, eventName, phaseName, callback);
|
|
}
|