问题
我刚刚开始使用酶并进行反应测试 . 我试图让酶与karma和webpack一起处理一个微不足道的反应组件 . 我的问题是包装器上的 prop()
返回null,我不知道为什么 .
Greeter.js
import React from 'react';
/*
* A trivial component we added while trying to get the react testing working
* */
export default class Greeter extends React.Component {
constructor(props) {
super(props);
this.state = { name: props.initialName };
this.greeterText = this.greeterText.bind(this);
}
greeterText() {
return (<p>Hello, {this.state.name}!</p>);
}
render() {
return (<div className="greeter">
{this.greeterText()}
</div>);
}
}
Greeter.defaultProps = { initialName: "World" };
Greeter.propTypes = {
initialName: React.PropTypes.string
};
greeter.spec.js
import Greeter from '../../components/test/Greeter';
import React from 'react';
import { shallow } from 'enzyme';
describe("Simple testing with shallow rendering", () => {
beforeEach(function() {
let initialName = "joe";
this.wrapper = shallow(<Greeter initialName={initialName} />);
});
it("renders default Greeter", function() {
console.log(this.wrapper.find(".greeter").text());
console.log(this.wrapper.debug());
console.log(this.wrapper.state('name'));
expect(this.wrapper.state('name')).to.equal("joe");
expect(this.wrapper.prop('initialName')).to.equal("joe");
});
});
Result
使用浅渲染进行简单测试×渲染默认Greeter Chrome 50.0.2661(Windows 10 0.0.0)AssertionError:在Assertion.assertEqual上预期未定义为等于'joe >>(F:/ web / forms / node_modules / chai / chai . js:776:12)在Context的Assertion.ctx . (匿名函数)[等于](F:web / forms / node_modules / chai / chai.js:4192:25) . (F:web / forms / spec / components / greeter.spec.js:9:2932 < - webpack:///spec/components/greeter.spec.js:18:52)
Stack
-
反应0.14.8
-
业力
-
webpack
-
酶2.2.0
1 回答
如果你想测试传入的道具那样使用
mount
就像这样: