inula/scripts/__tests__/ComponentTest/ClassRefs.test.js

52 lines
1.3 KiB
JavaScript

/*
* Copyright (c) 2020 Huawei Technologies Co.,Ltd.
*
* openGauss is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
*
* http://license.coscl.org.cn/MulanPSL2
*
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
import * as Horizon from '@cloudsop/horizon/index.ts';
describe('Class refs Test', () => {
it('Parent can get Child instance by refs', function () {
let pInst;
class Parent extends Horizon.Component {
componentDidMount() {
pInst = this;
}
render() {
return (
<div>
<Child ref="child">
<div ref="childDiv">childDiv</div>
</Child>
</div>
);
}
}
class Child extends Horizon.Component {
state = { y: 0 };
render() {
return <div>{this.props.children}</div>;
}
}
Horizon.render(<Parent />, container);
expect(pInst.refs['child'].state.y).toEqual(0);
expect(pInst.refs['childDiv'].innerHTML).toEqual('childDiv');
});
});