[英]Jest | Enzyme how to test if function inside a component is being called during onClick event?
[英]How to unit test jquery being called with Jest and Enzyme?
我们在React Component didMount生命周期方法中涉及了jquery事件处理程序。
代码大致如下:
export default class Home extends Component {
componentDidMount() {
Usabilla("SMART_MODEM");
$( ".option-label" ).parent().on( "click", function() {
console.log(">>>>>>>> Click Happening.")
let outerObject = this;
$( ".selected" ).each(function() {
if($(outerObject).text() !== $(this).text() ) {
$(this).click();
}
});
});
});
}
render() {
// Some React Render Code Hre.
}
}
我需要增加测试范围并测试$( ".option-label" ).parent().
方法。
如何使用Jest,酶和其他相关技术对该方法进行单元测试?
我建议这种没有jQuery的纯React实现(不实现onClick的全部逻辑)。 因此,这很容易测试:
state = {
labels: [] // filled with some async operation
}
handleLabelClick = () => {
console.log(">>>>>>>> Click Happening.")
}
renderOptionLabels = () => (
const { labels } = this.state;
<ul>
{labels.length && labels.map(label => (
<li className="option-label" key={label.id} onClick={this.handleLabelClick}>{label.text}</li>
))}
</ul>
)
render() {
...
{this.renderOptionLabels()}
...
}
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