angular/packages/platform-browser/animations/test/noop_animation_engine_spec.ts

275 lines
9.2 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 {AnimationMetadata, AnimationTriggerMetadata, state, style, trigger} from '@angular/animations';
import {ɵNoopAnimationEngine as NoopAnimationEngine} from '@angular/animations/browser';
import {NoopAnimationStyleNormalizer} from '@angular/animations/browser/src/dsl/style_normalization/animation_style_normalizer';
import {MockAnimationDriver} from '@angular/animations/browser/testing';
import {el} from '@angular/platform-browser/testing/src/browser_util';
import {TriggerAst} from '../../../animations/browser/src/dsl/animation_ast';
import {buildAnimationAst} from '../../../animations/browser/src/dsl/animation_ast_builder';
import {buildTrigger} from '../../../animations/browser/src/dsl/animation_trigger';
const DEFAULT_NAMESPACE_ID = 'id';
const DEFAULT_COMPONENT_ID = '1';
export function main() {
describe('NoopAnimationEngine', () => {
let captures: string[] = [];
function capture(value?: string) { return (v: any = null) => captures.push(value || v); }
beforeEach(() => { captures = []; });
function makeEngine() {
const driver = new MockAnimationDriver();
const normalizer = new NoopAnimationStyleNormalizer();
return new NoopAnimationEngine(driver, normalizer);
}
it('should immediately issue DOM removals during remove animations and then fire the animation callbacks after flush',
() => {
const engine = makeEngine();
const capture1 = capture('1');
const capture2 = capture('2');
engine.onRemovalComplete = (element: any, context: any) => {
switch (context as string) {
case '1':
capture1();
break;
case '2':
capture2();
break;
}
};
const elm1 = {nodeType: 1};
const elm2 = {nodeType: 1};
engine.onRemove(DEFAULT_NAMESPACE_ID, elm1, '1');
engine.onRemove(DEFAULT_NAMESPACE_ID, elm2, '2');
listen(elm1, engine, 'trig', 'start', capture('1-start'));
listen(elm2, engine, 'trig', 'start', capture('2-start'));
listen(elm1, engine, 'trig', 'done', capture('1-done'));
listen(elm2, engine, 'trig', 'done', capture('2-done'));
expect(captures).toEqual(['1', '2']);
engine.flush();
expect(captures).toEqual(['1', '2', '1-start', '2-start', '1-done', '2-done']);
});
it('should only fire the `start` listener for a trigger that has had a property change', () => {
const engine = makeEngine();
const elm1 = {};
const elm2 = {};
const elm3 = {};
listen(elm1, engine, 'trig1', 'start', capture());
setProperty(elm1, engine, 'trig1', 'cool');
setProperty(elm2, engine, 'trig2', 'sweet');
listen(elm2, engine, 'trig2', 'start', capture());
listen(elm3, engine, 'trig3', 'start', capture());
expect(captures).toEqual([]);
engine.flush();
expect(captures.length).toEqual(2);
const trig1Data = captures.shift();
const trig2Data = captures.shift();
expect(trig1Data).toEqual({
element: elm1,
triggerName: 'trig1',
fromState: 'void',
toState: 'cool',
phaseName: 'start',
totalTime: 0
});
expect(trig2Data).toEqual({
element: elm2,
triggerName: 'trig2',
fromState: 'void',
toState: 'sweet',
phaseName: 'start',
totalTime: 0
});
captures = [];
engine.flush();
expect(captures).toEqual([]);
});
it('should only fire the `done` listener for a trigger that has had a property change', () => {
const engine = makeEngine();
const elm1 = {};
const elm2 = {};
const elm3 = {};
listen(elm1, engine, 'trig1', 'done', capture());
setProperty(elm1, engine, 'trig1', 'awesome');
setProperty(elm2, engine, 'trig2', 'amazing');
listen(elm2, engine, 'trig2', 'done', capture());
listen(elm3, engine, 'trig3', 'done', capture());
expect(captures).toEqual([]);
engine.flush();
expect(captures.length).toEqual(2);
const trig1Data = captures.shift();
const trig2Data = captures.shift();
expect(trig1Data).toEqual({
element: elm1,
triggerName: 'trig1',
fromState: 'void',
toState: 'awesome',
phaseName: 'done',
totalTime: 0
});
expect(trig2Data).toEqual({
element: elm2,
triggerName: 'trig2',
fromState: 'void',
toState: 'amazing',
phaseName: 'done',
totalTime: 0
});
captures = [];
engine.flush();
expect(captures).toEqual([]);
});
it('should deregister a listener when the return function is called, but only after flush',
() => {
const engine = makeEngine();
const elm = {};
const fn1 = listen(elm, engine, 'trig1', 'start', capture('trig1-start'));
const fn2 = listen(elm, engine, 'trig2', 'done', capture('trig2-done'));
setProperty(elm, engine, 'trig1', 'value1');
setProperty(elm, engine, 'trig2', 'value2');
engine.flush();
expect(captures).toEqual(['trig1-start', 'trig2-done']);
captures = [];
setProperty(elm, engine, 'trig1', 'value3');
setProperty(elm, engine, 'trig2', 'value4');
fn1();
engine.flush();
expect(captures).toEqual(['trig1-start', 'trig2-done']);
captures = [];
setProperty(elm, engine, 'trig1', 'value5');
setProperty(elm, engine, 'trig2', 'value6');
fn2();
engine.flush();
expect(captures).toEqual(['trig2-done']);
captures = [];
setProperty(elm, engine, 'trig1', 'value7');
setProperty(elm, engine, 'trig2', 'value8');
engine.flush();
expect(captures).toEqual([]);
});
it('should fire a removal listener even if the listener is deregistered prior to flush', () => {
const engine = makeEngine();
const elm = {nodeType: 1};
engine.onRemovalComplete = (element: any, context: string) => { capture(context)(); };
const fn = listen(elm, engine, 'trig', 'start', capture('removal listener'));
fn();
engine.onRemove(DEFAULT_NAMESPACE_ID, elm, 'dom removal');
engine.flush();
expect(captures).toEqual(['dom removal', 'removal listener']);
});
describe('styling', () => {
// these tests are only mean't to be run within the DOM
if (typeof Element == 'undefined') return;
it('should persist the styles on the element when the animation is complete', () => {
const engine = makeEngine();
const element = el('<div></div>');
registerTrigger(element, engine, trigger('matias', [
state('a', style({width: '100px'})),
]));
expect(element.style.width).not.toEqual('100px');
setProperty(element, engine, 'matias', 'a');
expect(element.style.width).not.toEqual('100px');
engine.flush();
expect(element.style.width).toEqual('100px');
});
it('should remove previously persist styles off of the element when a follow-up animation starts',
() => {
const engine = makeEngine();
const element = el('<div></div>');
registerTrigger(element, engine, trigger('matias', [
state('a', style({width: '100px'})),
state('b', style({height: '100px'})),
]));
setProperty(element, engine, 'matias', 'a');
engine.flush();
expect(element.style.width).toEqual('100px');
setProperty(element, engine, 'matias', 'b');
expect(element.style.width).not.toEqual('100px');
expect(element.style.height).not.toEqual('100px');
engine.flush();
expect(element.style.height).toEqual('100px');
});
it('should fall back to `*` styles incase the target state styles are not found', () => {
const engine = makeEngine();
const element = el('<div></div>');
registerTrigger(element, engine, trigger('matias', [
state('*', style({opacity: '0.5'})),
]));
setProperty(element, engine, 'matias', 'xyz');
engine.flush();
expect(element.style.opacity).toEqual('0.5');
});
});
});
}
function registerTrigger(
element: any, engine: NoopAnimationEngine, metadata: AnimationTriggerMetadata,
namespaceId: string = DEFAULT_NAMESPACE_ID, componentId: string = DEFAULT_COMPONENT_ID) {
engine.registerTrigger(componentId, namespaceId, element, name, metadata)
}
function setProperty(
element: any, engine: NoopAnimationEngine, property: string, value: any,
id: string = DEFAULT_NAMESPACE_ID) {
engine.setProperty(id, element, property, value);
}
function listen(
element: any, engine: NoopAnimationEngine, eventName: string, phaseName: string,
callback: (event: any) => any, id: string = DEFAULT_NAMESPACE_ID) {
return engine.listen(id, element, eventName, phaseName, callback);
}