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我正在尝试编写一个简单的单元测试,似乎无法弄清楚。我想测试引导模式,以确保它在我传递某些对象属性时显示正确的内容。下面是我的模态代码如下所示:反应/茉莉花/ Karma /幽灵单元测试:findDOMNode和renderIntoDocument不按预期工作
import React, { Component, PropTypes } from 'react';
import { Button, Modal } from 'react-bootstrap';
class ModalBox extends Component {
render() {
const { modalBox } = this.props;
let content;
if (modalBox.contentBody) {
content = modalBox.contentBody;
} else {
content = (
<span>
<Modal.Header closeButton onHide={this.close.bind(this)}>
<Modal.Title>{modalBox.title}</Modal.Title>
</Modal.Header>
<Modal.Body>
{modalBox.message}
</Modal.Body>
{modalBox.isConfirm &&
<Modal.Footer>
<Button onClick={modalBox.onCancel} className="modal-button cancel">{modalBox.cancelText || 'Cancel'}</Button>
<Button onClick={modalBox.onConfirm} className="modal-button confirm">{modalBox.confirmText || 'Confirm'}</Button>
</Modal.Footer>
}
</span>
);
}
return (
<Modal show={typeof modalBox != 'undefined'} onHide={this.close.bind(this)} dialogClassName={modalBox.dialogClassName || ''} backdrop={modalBox.backdrop || true}>
{content}
</Modal>
);
}
}
所以对于一个测试,我要确保,如果我传递一个包含它只是返回contentBody的模式身体contentBody领域的支柱modalBox。下面是我想要测试的例子:
it("renders only contentBody when provided",() => {
let modalBoxObj = {
contentBody: <div className="test-content-body">This is a test.</div>
};
let element = React.createElement(ModalBox, {modalBox: modalBoxObj});
let component = TestUtils.renderIntoDocument(element);
let modalWrapper = TestUtils.scryRenderedDOMComponentsWithClass(component, 'modal');
// modalWrapper returns an empty array, so this returns "Expected 0 to be 1"
expect(modalWrapper.length).toBe(1);
let testBody = TestUtils.scryRenderedDOMComponentsWithClass(component, 'test-content-body');
// testBody returns an empty array, so this returns "Expected 0 to be 1"
expect(testBody.length).toBe(1);
// this returns "TypeError: 'undefined' is not an object (evaluating 'testBody[0].innerHTML')"
expect(testBody[0].innerHTML).toEqual("This is a test.");
}
我也试着做浅渲染与TestUtils.createRenderer并尝试这种做法,但没有运气吧。根据我在网上看到的例子和以前的测试经验,我反应< 0.14,我觉得这个测试应该可以工作。我只是不知道我错过了什么或误解。在过去,我做了类似下面的事情,只是看着componentNode对象来查找元素等,但componentNode返回null。
let component = TestUtils.renderIntoDocument(element);
let componentNode = findDOMNode(component);
感谢您的帮助!