尝试测试使用 Mobx 的 React 应用程序时出错
我正在尝试在我的 React 应用程序上编写测试并从上下文中收到错误。 我收到的错误是:无法读取未定义的属性“Provider”
我的测试看起来像这样:
import { render, screen } from "@testing-library/react"
import userEvent from "@testing-library/user-event";
import EmailLoginForm from "../features/users/EmailLoginForm";
test('if no email and no password, button disabled', async () =>{
render(<EmailLoginForm/>);
expect(await screen.findByRole('button', { name: /login/i})).toBeDisabled();
userEvent.type(screen.getByPlaceholderText(/email id/i),"[email protected]");
userEvent.type(screen.getByPlaceholderText(/password/i),"testpw");
expect(await screen.findByRole('button',{name :/login/i})).toBeEnabled();
})
我的主商店看起来像这样:
import {createContext, useContext} from "react";
//..some imports that are not relevant
interface Store{
// .. interface of which stores
}
export const store: Store = {
//.. store declerations
}
export const StoreContext = createContext(store);
export function useStore(){
return useContext(StoreContext);
}
我的 EmailLoginForm 是一个观察者。
index.tsx 看起来像这样:
import React from 'react';
import ReactDOM from 'react-dom';
import '../src/app/layout/App';
import App from '../src/app/layout/App';
import reportWebVitals from './reportWebVitals';
import { createBrowserHistory } from 'history';
import { Router } from 'react-router-dom';
import './app/layout/index.css'
import { store, StoreContext } from "./app/stores/store"
import ScrollToTop from './app/layout/ScrollToTop';
export const history = createBrowserHistory();
ReactDOM.render(
<StoreContext.Provider value={store}>
<Router history={history}>
<ScrollToTop />
<App />
</Router>
</StoreContext.Provider>,
document.getElementById('root')
);
我在这里很迷茫,不知道问题出在哪里以及如何解决它。 任何帮助将不胜感激。
I am trying to write tests on my React app and receiving an error from the context.
The error I receive is :Cannot read property 'Provider' of undefined
My test looks like that:
import { render, screen } from "@testing-library/react"
import userEvent from "@testing-library/user-event";
import EmailLoginForm from "../features/users/EmailLoginForm";
test('if no email and no password, button disabled', async () =>{
render(<EmailLoginForm/>);
expect(await screen.findByRole('button', { name: /login/i})).toBeDisabled();
userEvent.type(screen.getByPlaceholderText(/email id/i),"[email protected]");
userEvent.type(screen.getByPlaceholderText(/password/i),"testpw");
expect(await screen.findByRole('button',{name :/login/i})).toBeEnabled();
})
My main store looks like that:
import {createContext, useContext} from "react";
//..some imports that are not relevant
interface Store{
// .. interface of which stores
}
export const store: Store = {
//.. store declerations
}
export const StoreContext = createContext(store);
export function useStore(){
return useContext(StoreContext);
}
My EmailLoginForm is an observer.
The index.tsx looks like that:
import React from 'react';
import ReactDOM from 'react-dom';
import '../src/app/layout/App';
import App from '../src/app/layout/App';
import reportWebVitals from './reportWebVitals';
import { createBrowserHistory } from 'history';
import { Router } from 'react-router-dom';
import './app/layout/index.css'
import { store, StoreContext } from "./app/stores/store"
import ScrollToTop from './app/layout/ScrollToTop';
export const history = createBrowserHistory();
ReactDOM.render(
<StoreContext.Provider value={store}>
<Router history={history}>
<ScrollToTop />
<App />
</Router>
</StoreContext.Provider>,
document.getElementById('root')
);
I am pretty lost here and don't know where is the issue and how to fix it.
Any help would be appreciated.
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