cocos-engine/tests/tween/tween.test.ts

import { Vec3 } from '@base/math';
import { System } from '../../cocos/core';
import { tween, Tween, TweenSystem } from '../../cocos/tween';
import { Node, Scene } from '../../cocos/scene-graph';
import { Component } from '../../cocos/scene-graph/component';
import { game, director } from '../../cocos/game';

test('remove actions by tag', function () {
    const scene = new Scene('test-tags');
    const node = new Node();
    scene.addChild(node);

    const sys = new TweenSystem();
    (TweenSystem.instance as any) = sys;
    director.registerSystem(TweenSystem.ID, sys, System.Priority.MEDIUM);

    director.runSceneImmediate(scene);

    tween(node).tag(1).repeat(10, tween<Node>().by(3, { scale : new Vec3(1, 1, 1) })).start();;
    tween(node).tag(1).repeat(10, tween<Node>().by(3, { position: new Vec3(10,10,0) })).start();

    Tween.stopAllByTag(1);

    expect(TweenSystem.instance.ActionManager.getActionByTag(1, node)).toBeNull();
});

test('destroySelf', function () {
    const scene = new Scene('test-destroy');
    const sys = new TweenSystem();
    (TweenSystem.instance as any) = sys;
    director.registerSystem(TweenSystem.ID, sys, System.Priority.MEDIUM);
    director.runSceneImmediate(scene);

    const node = new Node();
    var comp = node.addComponent(Component);
    const onDestroy = comp.onDestroy = jest.fn(() => {});
    scene.addChild(node);
    tween(node).destroySelf().start();
    game.step();
    expect(onDestroy).toBeCalledTimes(1);
    director.unregisterSystem(sys);
});