421 lines
17 KiB
TypeScript
421 lines
17 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, group, keyframes, sequence, style, transition, trigger} from '@angular/core';
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import {beforeEach, describe, inject, it} from '@angular/core/testing/testing_internal';
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import {expect} from '@angular/platform-browser/testing/matchers';
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import {AnimationEntryAst, AnimationGroupAst, AnimationKeyframeAst, AnimationSequenceAst, AnimationStepAst, AnimationStylesAst} from '../../src/animation/animation_ast';
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import {AnimationParser} from '../../src/animation/animation_parser';
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import {CompileMetadataResolver} from '../../src/metadata_resolver';
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import {ElementSchemaRegistry} from '../../src/schema/element_schema_registry';
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import {FILL_STYLE_FLAG, flattenStyles} from '../private_import_core';
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export function main() {
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describe('parseAnimationEntry', () => {
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var combineStyles = (styles: AnimationStylesAst): {[key: string]: string | number} => {
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var flatStyles: {[key: string]: string | number} = {};
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styles.styles.forEach(
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entry => Object.keys(entry).forEach(prop => { flatStyles[prop] = entry[prop]; }));
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return flatStyles;
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};
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var collectKeyframeStyles =
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(keyframe: AnimationKeyframeAst): {[key: string]: string | number} =>
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combineStyles(keyframe.styles);
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var collectStepStyles = (step: AnimationStepAst): {[key: string]: string | number}[] => {
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var keyframes = step.keyframes;
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var styles: {[key: string]: string | number}[] = [];
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if (step.startingStyles.styles.length > 0) {
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styles.push(combineStyles(step.startingStyles));
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}
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keyframes.forEach(keyframe => styles.push(collectKeyframeStyles(keyframe)));
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return styles;
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};
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var resolver: CompileMetadataResolver;
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var schema: ElementSchemaRegistry;
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beforeEach(inject(
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[CompileMetadataResolver, ElementSchemaRegistry],
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(res: CompileMetadataResolver, sch: ElementSchemaRegistry) => {
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resolver = res;
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schema = sch;
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}));
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var parseAnimation = (data: AnimationMetadata[]) => {
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const entry = trigger('myAnimation', [transition('state1 => state2', sequence(data))]);
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const compiledAnimationEntry = resolver.getAnimationEntryMetadata(entry);
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const parser = new AnimationParser(schema);
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return parser.parseEntry(compiledAnimationEntry);
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};
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var getAnimationAstFromEntryAst =
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(ast: AnimationEntryAst) => { return ast.stateTransitions[0].animation; };
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var parseAnimationAst = (data: AnimationMetadata[]) =>
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getAnimationAstFromEntryAst(parseAnimation(data).ast);
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var parseAnimationAndGetErrors = (data: AnimationMetadata[]) => parseAnimation(data).errors;
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it('should merge repeated style steps into a single style ast step entry', () => {
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var ast = parseAnimationAst([
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style({'color': 'black'}), style({'background': 'red'}), style({'opacity': '0'}),
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animate(1000, style({'color': 'white', 'background': 'black', 'opacity': '1'}))
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]);
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expect(ast.steps.length).toEqual(1);
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var step = <AnimationStepAst>ast.steps[0];
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expect(step.startingStyles.styles[0])
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.toEqual({'color': 'black', 'background': 'red', 'opacity': '0'});
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expect(step.keyframes[0].styles.styles[0])
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.toEqual({'color': 'black', 'background': 'red', 'opacity': '0'});
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expect(step.keyframes[1].styles.styles[0])
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.toEqual({'color': 'white', 'background': 'black', 'opacity': '1'});
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});
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it('should animate only the styles requested within an animation step', () => {
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var ast = parseAnimationAst([
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style({'color': 'black', 'background': 'blue'}),
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animate(1000, style({'background': 'orange'}))
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]);
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expect(ast.steps.length).toEqual(1);
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var animateStep = <AnimationStepAst>ast.steps[0];
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var fromKeyframe = animateStep.keyframes[0].styles.styles[0];
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var toKeyframe = animateStep.keyframes[1].styles.styles[0];
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expect(fromKeyframe).toEqual({'background': 'blue'});
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expect(toKeyframe).toEqual({'background': 'orange'});
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});
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it('should populate the starting and duration times propertly', () => {
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var ast = parseAnimationAst([
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style({'color': 'black', 'opacity': '1'}),
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animate(1000, style({'color': 'red'})),
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animate(4000, style({'color': 'yellow'})),
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sequence(
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[animate(1000, style({'color': 'blue'})), animate(1000, style({'color': 'grey'}))]),
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group([animate(500, style({'color': 'pink'})), animate(1000, style({'opacity': '0.5'}))]),
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animate(300, style({'color': 'black'})),
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]);
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expect(ast.steps.length).toEqual(5);
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var step1 = <AnimationStepAst>ast.steps[0];
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expect(step1.playTime).toEqual(1000);
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expect(step1.startTime).toEqual(0);
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var step2 = <AnimationStepAst>ast.steps[1];
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expect(step2.playTime).toEqual(4000);
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expect(step2.startTime).toEqual(1000);
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var seq = <AnimationSequenceAst>ast.steps[2];
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expect(seq.playTime).toEqual(2000);
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expect(seq.startTime).toEqual(5000);
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var step4 = <AnimationStepAst>seq.steps[0];
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expect(step4.playTime).toEqual(1000);
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expect(step4.startTime).toEqual(5000);
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var step5 = <AnimationStepAst>seq.steps[1];
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expect(step5.playTime).toEqual(1000);
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expect(step5.startTime).toEqual(6000);
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var grp = <AnimationGroupAst>ast.steps[3];
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expect(grp.playTime).toEqual(1000);
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expect(grp.startTime).toEqual(7000);
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var step6 = <AnimationStepAst>grp.steps[0];
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expect(step6.playTime).toEqual(500);
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expect(step6.startTime).toEqual(7000);
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var step7 = <AnimationStepAst>grp.steps[1];
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expect(step7.playTime).toEqual(1000);
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expect(step7.startTime).toEqual(7000);
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var step8 = <AnimationStepAst>ast.steps[4];
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expect(step8.playTime).toEqual(300);
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expect(step8.startTime).toEqual(8000);
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});
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it('should apply the correct animate() styles when parallel animations are active and use the same properties',
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() => {
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var details = parseAnimation([
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style({'opacity': '0', 'color': 'red'}), group([
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sequence([
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animate(2000, style({'color': 'black'})),
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animate(2000, style({'opacity': '0.5'})),
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]),
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sequence([
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animate(2000, style({'opacity': '0.8'})),
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animate(2000, style({'color': 'blue'}))
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])
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])
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]);
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var errors = details.errors;
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expect(errors.length).toEqual(0);
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var ast = <AnimationSequenceAst>getAnimationAstFromEntryAst(details.ast);
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var g1 = <AnimationGroupAst>ast.steps[1];
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var sq1 = <AnimationSequenceAst>g1.steps[0];
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var sq2 = <AnimationSequenceAst>g1.steps[1];
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var sq1a1 = <AnimationStepAst>sq1.steps[0];
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expect(collectStepStyles(sq1a1)).toEqual([{'color': 'red'}, {'color': 'black'}]);
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var sq1a2 = <AnimationStepAst>sq1.steps[1];
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expect(collectStepStyles(sq1a2)).toEqual([{'opacity': '0.8'}, {'opacity': '0.5'}]);
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var sq2a1 = <AnimationStepAst>sq2.steps[0];
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expect(collectStepStyles(sq2a1)).toEqual([{'opacity': '0'}, {'opacity': '0.8'}]);
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var sq2a2 = <AnimationStepAst>sq2.steps[1];
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expect(collectStepStyles(sq2a2)).toEqual([{'color': 'black'}, {'color': 'blue'}]);
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});
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it('should throw errors when animations animate a CSS property at the same time', () => {
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var animation1 = parseAnimation([
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style({'opacity': '0'}),
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group([animate(1000, style({'opacity': '1'})), animate(2000, style({'opacity': '0.5'}))])
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]);
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var errors1 = animation1.errors;
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expect(errors1.length).toEqual(1);
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expect(errors1[0].msg)
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.toContainError(
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'The animated CSS property "opacity" unexpectedly changes between steps "0ms" and "2000ms" at "1000ms"');
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var animation2 = parseAnimation([
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style({'color': 'red'}),
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group(
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[animate(5000, style({'color': 'blue'})), animate(2500, style({'color': 'black'}))])
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]);
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var errors2 = animation2.errors;
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expect(errors2.length).toEqual(1);
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expect(errors2[0].msg)
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.toContainError(
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'The animated CSS property "color" unexpectedly changes between steps "0ms" and "5000ms" at "2500ms"');
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});
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it('should return an error when an animation style contains an invalid timing value', () => {
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var errors = parseAnimationAndGetErrors(
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[style({'opacity': '0'}), animate('one second', style({'opacity': '1'}))]);
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expect(errors[0].msg).toContainError(`The provided timing value "one second" is invalid.`);
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});
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it('should collect and return any errors collected when parsing the metadata', () => {
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var errors = parseAnimationAndGetErrors([
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style({'opacity': '0'}), animate('one second', style({'opacity': '1'})),
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style({'opacity': '0'}), animate('one second', null), style({'background': 'red'})
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]);
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expect(errors.length).toBeGreaterThan(1);
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});
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it('should normalize a series of keyframe styles into a list of offset steps', () => {
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var ast =
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parseAnimationAst([animate(1000, keyframes([
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style({'width': '0'}), style({'width': '25px'}),
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style({'width': '50px'}), style({'width': '75px'})
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]))]);
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var step = <AnimationStepAst>ast.steps[0];
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expect(step.keyframes.length).toEqual(4);
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expect(step.keyframes[0].offset).toEqual(0);
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expect(step.keyframes[1].offset).toMatch(/^0\.33/);
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expect(step.keyframes[2].offset).toMatch(/^0\.66/);
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expect(step.keyframes[3].offset).toEqual(1);
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});
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it('should use an existing collection of offset steps if provided', () => {
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var ast = parseAnimationAst([animate(
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1000, keyframes([
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style({'height': '0', 'offset': 0}), style({'height': '25px', 'offset': 0.6}),
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style({'height': '50px', 'offset': 0.7}), style({'height': '75px', 'offset': 1})
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]))]);
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var step = <AnimationStepAst>ast.steps[0];
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expect(step.keyframes.length).toEqual(4);
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expect(step.keyframes[0].offset).toEqual(0);
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expect(step.keyframes[1].offset).toEqual(0.6);
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expect(step.keyframes[2].offset).toEqual(0.7);
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expect(step.keyframes[3].offset).toEqual(1);
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});
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it('should sort the provided collection of steps that contain offsets', () => {
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var ast = parseAnimationAst([animate(
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1000, keyframes([
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style({'opacity': '0', 'offset': 0.9}), style({'opacity': '0.25', 'offset': 0}),
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style({'opacity': '0.50', 'offset': 1}),
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style({'opacity': '0.75', 'offset': 0.91})
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]))]);
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var step = <AnimationStepAst>ast.steps[0];
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expect(step.keyframes.length).toEqual(4);
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expect(step.keyframes[0].offset).toEqual(0);
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expect(step.keyframes[0].styles.styles[0]['opacity']).toEqual('0.25');
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expect(step.keyframes[1].offset).toEqual(0.9);
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expect(step.keyframes[1].styles.styles[0]['opacity']).toEqual('0');
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expect(step.keyframes[2].offset).toEqual(0.91);
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expect(step.keyframes[2].styles.styles[0]['opacity']).toEqual('0.75');
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expect(step.keyframes[3].offset).toEqual(1);
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expect(step.keyframes[3].styles.styles[0]['opacity']).toEqual('0.50');
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});
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it('should throw an error if a partial amount of keyframes contain an offset', () => {
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var errors = parseAnimationAndGetErrors(
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[animate(1000, keyframes([
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style({'z-index': 0, 'offset': 0}), style({'z-index': 1}),
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style({'z-index': 2, 'offset': 1})
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]))]);
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expect(errors.length).toEqual(1);
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var error = errors[0];
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expect(error.msg).toMatch(/Not all style\(\) entries contain an offset/);
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});
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it('should use an existing style used earlier in the animation sequence if not defined in the first keyframe',
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() => {
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var ast = parseAnimationAst([animate(
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1000,
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keyframes(
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[style({'color': 'red'}), style({'background': 'blue', 'color': 'white'})]))]);
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var keyframesStep = <AnimationStepAst>ast.steps[0];
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var kf1 = keyframesStep.keyframes[0];
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var kf2 = keyframesStep.keyframes[1];
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expect(flattenStyles(kf1.styles.styles))
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.toEqual({'color': 'red', 'background': FILL_STYLE_FLAG});
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});
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it('should copy over any missing styles to the final keyframe if not already defined', () => {
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var ast = parseAnimationAst([animate(
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1000, keyframes([
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style({'color': 'white', 'borderColor': 'white'}),
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style({'color': 'red', 'background': 'blue'}), style({'background': 'blue'})
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]))]);
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var keyframesStep = <AnimationStepAst>ast.steps[0];
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var kf1 = keyframesStep.keyframes[0];
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var kf2 = keyframesStep.keyframes[1];
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var kf3 = keyframesStep.keyframes[2];
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expect(flattenStyles(kf3.styles.styles))
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.toEqual({'background': 'blue', 'color': 'red', 'borderColor': 'white'});
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});
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it('should create an initial keyframe if not detected and place all keyframes styles there',
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() => {
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var ast = parseAnimationAst([animate(
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1000, keyframes([
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style({'color': 'white', 'background': 'black', 'offset': 0.5}),
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style(
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{'color': 'orange', 'background': 'red', 'fontSize': '100px', 'offset': 1})
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]))]);
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var keyframesStep = <AnimationStepAst>ast.steps[0];
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expect(keyframesStep.keyframes.length).toEqual(3);
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var kf1 = keyframesStep.keyframes[0];
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var kf2 = keyframesStep.keyframes[1];
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var kf3 = keyframesStep.keyframes[2];
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expect(kf1.offset).toEqual(0);
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expect(flattenStyles(kf1.styles.styles)).toEqual({
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'fontSize': FILL_STYLE_FLAG,
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'background': FILL_STYLE_FLAG,
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'color': FILL_STYLE_FLAG
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});
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});
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it('should create an destination keyframe if not detected and place all keyframes styles there',
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() => {
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var ast = parseAnimationAst([animate(1000, keyframes([
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style({
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'color': 'white',
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'background': 'black',
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'transform': 'rotate(360deg)',
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'offset': 0
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}),
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style({
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'color': 'orange',
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'background': 'red',
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'fontSize': '100px',
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'offset': 0.5
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})
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]))]);
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var keyframesStep = <AnimationStepAst>ast.steps[0];
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expect(keyframesStep.keyframes.length).toEqual(3);
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var kf1 = keyframesStep.keyframes[0];
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var kf2 = keyframesStep.keyframes[1];
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var kf3 = keyframesStep.keyframes[2];
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expect(kf3.offset).toEqual(1);
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expect(flattenStyles(kf3.styles.styles)).toEqual({
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'color': 'orange',
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'background': 'red',
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'transform': 'rotate(360deg)',
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'fontSize': '100px'
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});
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});
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describe('easing / duration / delay', () => {
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it('should parse simple string-based values', () => {
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var ast = parseAnimationAst([animate('1s .5s ease-out', style({'opacity': '1'}))]);
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var step = <AnimationStepAst>ast.steps[0];
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expect(step.duration).toEqual(1000);
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expect(step.delay).toEqual(500);
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expect(step.easing).toEqual('ease-out');
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});
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it('should parse a numeric duration value', () => {
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var ast = parseAnimationAst([animate(666, style({'opacity': '1'}))]);
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var step = <AnimationStepAst>ast.steps[0];
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expect(step.duration).toEqual(666);
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expect(step.delay).toEqual(0);
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expect(step.easing).toBeFalsy();
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});
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it('should parse an easing value without a delay', () => {
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var ast = parseAnimationAst([animate('5s linear', style({'opacity': '1'}))]);
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var step = <AnimationStepAst>ast.steps[0];
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expect(step.duration).toEqual(5000);
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expect(step.delay).toEqual(0);
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expect(step.easing).toEqual('linear');
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});
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it('should parse a complex easing value', () => {
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var ast =
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parseAnimationAst([animate('30ms cubic-bezier(0, 0,0, .69)', style({'opacity': '1'}))]);
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var step = <AnimationStepAst>ast.steps[0];
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expect(step.duration).toEqual(30);
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expect(step.delay).toEqual(0);
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expect(step.easing).toEqual('cubic-bezier(0, 0,0, .69)');
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});
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});
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});
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}
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