122 lines
4.1 KiB
TypeScript
122 lines
4.1 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 {AnimationMetadata, animate, style} from '@angular/animations';
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import {AnimationStyleNormalizer, NoopAnimationStyleNormalizer} from '../../src/dsl/style_normalization/animation_style_normalizer';
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import {AnimationDriver} from '../../src/render/animation_driver';
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import {TimelineAnimationEngine} from '../../src/render/timeline_animation_engine';
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import {MockAnimationDriver, MockAnimationPlayer} from '../../testing/src/mock_animation_driver';
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(function() {
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const defaultDriver = new MockAnimationDriver();
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function makeEngine(driver?: AnimationDriver, normalizer?: AnimationStyleNormalizer) {
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return new TimelineAnimationEngine(
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driver || defaultDriver, normalizer || new NoopAnimationStyleNormalizer());
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}
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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('TimelineAnimationEngine', () => {
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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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it('should animate a timeline', () => {
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const engine = makeEngine();
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const steps = [style({height: 100}), animate(1000, style({height: 0}))];
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expect(MockAnimationDriver.log.length).toEqual(0);
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invokeAnimation(engine, element, steps);
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expect(MockAnimationDriver.log.length).toEqual(1);
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});
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it('should not destroy timeline-based animations after they have finished', () => {
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const engine = makeEngine();
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const log: string[] = [];
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function capture(value: string) {
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return () => { log.push(value); };
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}
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const steps = [style({height: 0}), animate(1000, style({height: 500}))];
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const player = invokeAnimation(engine, element, steps);
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player.onDone(capture('done'));
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player.onDestroy(capture('destroy'));
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expect(log).toEqual([]);
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player.finish();
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expect(log).toEqual(['done']);
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player.destroy();
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expect(log).toEqual(['done', 'destroy']);
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});
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it('should normalize the style values that are animateTransitioned within an a timeline animation',
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() => {
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const engine = makeEngine(defaultDriver, new SuffixNormalizer('-normalized'));
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const steps = [
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style({width: '333px'}),
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animate(1000, style({width: '999px'})),
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];
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const player = invokeAnimation(engine, element, steps) as MockAnimationPlayer;
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expect(player.keyframes).toEqual([
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{'width-normalized': '333px-normalized', offset: 0},
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{'width-normalized': '999px-normalized', offset: 1}
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]);
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});
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it('should normalize `*` values', () => {
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const driver = new SuperMockDriver();
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const engine = makeEngine(driver);
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const steps = [
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style({width: '*'}),
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animate(1000, style({width: '999px'})),
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];
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const player = invokeAnimation(engine, element, steps) as MockAnimationPlayer;
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expect(player.keyframes).toEqual([{width: '*star*', offset: 0}, {width: '999px', offset: 1}]);
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});
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});
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})();
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function invokeAnimation(
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engine: TimelineAnimationEngine, element: any, steps: AnimationMetadata | AnimationMetadata[],
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id: string = 'id') {
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engine.register(id, steps);
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return engine.create(id, element);
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}
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class SuffixNormalizer extends AnimationStyleNormalizer {
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constructor(private _suffix: string) { super(); }
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normalizePropertyName(propertyName: string, errors: string[]): string {
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return propertyName + this._suffix;
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}
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normalizeStyleValue(
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userProvidedProperty: string, normalizedProperty: string, value: string|number,
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errors: string[]): string {
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return value + this._suffix;
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}
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}
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class SuperMockDriver extends MockAnimationDriver {
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computeStyle(element: any, prop: string, defaultValue?: string): string { return '*star*'; }
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}
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