React component test fails with: TestingLibraryElementError: Found multiple elements by: [data-testid="some-id"] - javascript

I couldn't find any solution in any other questions similar to mine so I decided to ask you for help.
I have tests to my <Login/> page:
import React from 'react';
import { render } from '../../__test__/utils';
import Login from '.';
test('Renders the Login page', () => {
const { getByTestId } = render(<Login />);
expect(getByTestId('login-page')).toBeInTheDocument(); //WORKS
});
test('Renders disabled submit button by default', () => {
const { getByTestId } = render(<Login />);
expect(getByTestId('login-button')).toHaveAttribute('disabled'); // ERROR HERE
});
test('should match base snapshot', () => {
const { asFragment } = render(<Login />);
expect(asFragment()).toMatchSnapshot(); //WORKS
});
I am using the 'utils.js' in my tests because I want to wrap every testing component in the providers I am using. Here is how the utils file looks like:
import React, { useState } from 'react';
import { render as rtlRender } from '#testing-library/react';
import '#testing-library/jest-dom/extend-expect';
import { renderRoutes } from 'react-router-config';
import { Router } from 'react-router-dom';
import { createStore } from 'redux';
import { Provider } from 'react-redux';
import { ThemeProvider } from '#material-ui/styles';
import { createMemoryHistory } from 'history';
import StylesProvider from '../components/StylesProvider';
import routes from '../routes';
import reducer from '../reducers';
import { theme } from '../theme';
const history = createMemoryHistory();
const render = (
ui,
{ initialState, store = createStore(reducer, initialState), ...renderOptions } = {}
) => {
const Wrapper = ({ children }) => {
const [direction] = useState('ltr');
return (
<Provider store={store}>
<ThemeProvider theme={theme}>
<StylesProvider direction={direction}>
<Router history={history}>
{children}
{renderRoutes(routes)}
</Router>
</StylesProvider>
</ThemeProvider>
</Provider>
);
};
return rtlRender(ui, { wrapper: Wrapper, ...renderOptions });
};
export * from '#testing-library/react';
export { render };
Unfortunately, I cannot show the whole app code so I'll make it short. The <Login /> component looks like below:
import React from 'react';
import { makeStyles } from '#material-ui/styles';
import {
Card, CardContent, CardHeader, Typography, Divider, Grid
} from '#material-ui/core';
import Page from 'src/components/Page';
import LoginForm from './LoginForm';
const Login = () => (
<Page className={classes.root} title="Login" dataTestId="login-page">
//here the component body//
<LoginForm
afterLoginRoute="/overview"
loginEndpoint="login"
userRole={userRoles.USER}
className={classes.loginForm}
/>
</Page>
)
In the <LoginForm /> component I have a Material-UI button with data-testid="login-button"
LoginForm:
return (
<div>
<Snackbar open={loginStatus.error} autoHideDuration={6000}>
<Alert severity="error">
Se ha producido un error, comprueba los credenciales y prueba de nuevo.
</Alert>
</Snackbar>
<form {...rest} className={clsx(classes.root, className)} onSubmit={handleSubmit}>
<div className={classes.fields}>
<TextField
className={classes.input}
error={hasError('email')}
fullWidth
helperText={hasError('email') ? formState.errors.email[0] : null}
label="Email"
name="email"
onChange={handleChange}
value={formState.values.email || ''}
variant="outlined"
/>
<TextField
className={classes.input}
error={hasError('password')}
fullWidth
helperText={hasError('password') ? formState.errors.password[0] : null}
label="ContraseƱa"
name="password"
onChange={handleChange}
type="password"
value={formState.values.password || ''}
variant="outlined"
/>
</div>
<Button
className={classes.submitButton}
color="secondary"
disabled={!formState.isValid}
size="large"
type="submit"
variant="contained"
data-testid="login-button"
>
Entrar
</Button>
</form>
</div>
);
Current test result I have is TestingLibraryElementError: Found multiple elements by: [data-testid="login-button"]. I am out of ideas right now. Could this happen because I try to pass the data-testid prop to the <Button /> which is imported from Material-UI library? Then, shouldn't I see other error message? Please help.

Related

Cannot update a component while rendering a different component)

Im using React 18, React Router 6 and React Auth Kit 2.7
I tried to do login page, as showed in example for RAK link
But i getting this error
Code for Login Component JSX
import React from "react"
import axios from "axios"
import { useIsAuthenticated, useSignIn } from "react-auth-kit"
import { useNavigate, Navigate } from "react-router-dom"
const SignInComponent = () => {
const isAuthenticated = useIsAuthenticated()
const signIn = useSignIn()
const navigate = useNavigate()
const [formData, setFormData] = React.useState({ login: "", password: "" })
async function onSubmit(e) {
e.preventDefault()
axios.post("http://localhost:3030/api/auth/login", formData).then((res) => {
if (res.status === 200) {
if (
signIn({
token: res.data.token,
expiresIn: res.data.expiresIn,
tokenType: "Bearer",
authState: res.data.authUserState,
})
) {
navigate("/profile")
console.log("logged in")
} else {
//Throw error
}
} else {
console.log("da duck you want")
}
})
}
console.log(isAuthenticated())
if (isAuthenticated()) {
// If authenticated user, then redirect to his profile
return <Navigate to={"/profile"} replace />
} else {
return (
<form onSubmit={onSubmit} className="flex flex-col w-96 p-2">
<input
className="text-black mt-2"
type={"login"}
onChange={(e) => setFormData({ ...formData, login: e.target.value })}
/>
<input
className="text-black mt-2"
type={"password"}
onChange={(e) =>
setFormData({ ...formData, password: e.target.value })
}
/>
<button type="submit">Submit</button>
</form>
)
}
}
export default SignInComponent
Routes.jsx
// system
import React from 'react'
import { RequireAuth } from 'react-auth-kit'
import { BrowserRouter, Route, Routes } from 'react-router-dom'
// pages
import DeveloperPage from "../pages/Dev.page";
import MainPage from "../pages/Main.page";
import ProfilePage from "../pages/profile/Profile.page";
import LoginPage from "../pages/Auth/Login.page.auth"
import RegisterPage from "../pages/Auth/Register.page.auth"
// components
// logic
const RoutesComponent = () => {
return (
<BrowserRouter>
<Routes>
{/* main */}
<Route path={"/"} element={<MainPage />} />
{/* Authentication */}
<Route path={"/login"} element={<LoginPage />} />
<Route path={"/register"} element={<RegisterPage />} />
{/* Developer */}
<Route path={"/dev"} element={<DeveloperPage />} />
{/* Other */}
<Route path={"/profile"} element={
<RequireAuth loginPath={"/login"}>
<ProfilePage />
</RequireAuth>
} />
</Routes>
</BrowserRouter>
);
};
export default RoutesComponent;
Profile.jsx
import React, { useState } from 'react'
export default function App() {
return (
<div className="wrapper">
<h1>Profile</h1>
</div>
);
}
Im already tried searching this error all over stackoverflow, github issues and link that provided by error but still dont understand how to fix error in my example
Updated:
App.jsx
import React from "react";
import { AuthProvider } from "react-auth-kit";
import RoutesComponent from "./routes/router";
import "./index.css";
function App() {
return (
<AuthProvider authName={"_auth"} authType={"localstorage"}>
<RoutesComponent />
</AuthProvider>
);
}
export default App;
Have you put your application inside AuthProvider? https://github.com/react-auth-kit/react-auth-kit/blob/master/examples/create-react-app/src/App.js

Getting a modal to be behind tabNavigator using Modlize alwaysOpen

So I'm pretty new to programming and while making my first React Native project I got stuck trying to create a modal that's always open behind the bottom nav (The reason I want it that way is for it to be like a cart where whenever the user adds something it'll slightly nudge up to show something new was added), I did manage to get the modal behind the tab but now the bottom tab is unresponsive, does anyone have a fix for this?
my app.js
import React from 'react';
import { NavigationContainer } from '#react-navigation/native';
import Header from './components/Header';
import RootStack from './components/RootStack';
const App = () => {
return (
<>
<Header />
<NavigationContainer>
<RootStack />
</NavigationContainer>
</>
);
};
export default App;
RootStack:
import React from 'react'
import { createStackNavigator } from '#react-navigation/stack'
import CarrinhoModal from '../CarrinhoModal'
import TabNavigator from '../TabNavigator';
const StackNavigation = createStackNavigator();
const RootStack = () => {
return (
<>
<StackNavigation.Navigator headerMode='none' >
<StackNavigation.Screen name='Tab' component={TabNavigator} />
<StackNavigation.Screen name='Carrinho' getComponent={CarrinhoModal} />
</StackNavigation.Navigator>
</>
)
}
export default RootStack;
TabNavigator:
import React from 'react';
import { createBottomTabNavigator } from '#react-navigation/bottom-tabs';
import Home from '../../pages/Home'
import Perfil from '../../pages/Perfil'
import CarrinhoModal from '../CarrinhoModal';
const Tab = createBottomTabNavigator();
const TabNavigator = ({ navigation }) => {
return (
<>
<Tab.Navigator
initialRouteName="Home"
tabBarOptions={{
activeTintColor: 'white',
inactiveTintColor: 'gray',
activeBackgroundColor: '#1E4B75',
inactiveBackgroundColor: '#1E4B75'
}}
>
{/* <Tab.Screen
name='Carrinho'
component={CarrinhoModal}
listeners={( navigation ) => ({
tabPress: e => {
e.preventDefault();
navigation.navigate(CarrinhoModal)
}
})}
/> */}
<Tab.Screen name='Home' component={Home} />
<Tab.Screen name='Perfil' component={Perfil} />
</Tab.Navigator>
<CarrinhoModal />
</>
)
}
export default TabNavigator;
CarrinhoModal:
import React, { useRef } from 'react'
import { Modalize } from 'react-native-modalize';
import Carrinho from '../../pages/Carrinho';
const CarrinhoModal = (props) => {
return (
<>
<Modalize
ref={props.modalRef}
alwaysOpen={75}
modalHeight={400}
handlePosition='inside'
>
<Carrinho />
</Modalize>
</>
)
}
export default CarrinhoModal;
As I said I'm pretty new in all this so if you could point me in the right direction it would be much apreciated!

Problem with React 5 Auth Screen navigation and Redux Store

I'm new to react native and I'm having this problem with Auth Screen navigation and Redux Store.
So when I press "Start" it doesn't navigate to ClassesListScreen but remain in the LoginScreen. Although when I console log it print out that the "isLoggedIn" property in Store is true but it still doesn't re-render. Why is that happening? Thank you very much.
Here's my StackNavigation.js:
import React from 'react'
import { createStackNavigator } from '#react-navigation/stack';
import StudentsTabNavInit from './StudentsTabNavigation';
import LoginScreen from '../components/login/LoginScreen';
import DetailsScreen from '../components/details/DetailsScreen';
import store from '../store/store'
import AddScreen from '../components/add/AddScreen';
import ClassesListScreen from '../components/classes/ClassesListScreen';
const StackNav = createStackNavigator();
import { connect } from 'react-redux'
function StackNavInit(){
return (
<StackNav.Navigator
initialRouteName="Login"
>
{store.getState().isLoggedIn? (
<>
<StackNav.Screen
name="Classes"
component={ClassesListScreen}
options={{title: "Your Classes"}}
/>
<StackNav.Screen
name="StudentsTabNav"
component={StudentsTabNavInit}
options ={{title: "Students"}}
/>
<StackNav.Screen
name="Details"
component={DetailsScreen}
options={{ title: "Details" }}
/>
<StackNav.Screen
name="Add"
component={AddScreen}
options={{title: "Add Course"}}
/>
</>
) : (
<>
<StackNav.Screen
name="Login"
component={LoginScreen}
options={{headerShown: false}}
/>
</>
)
}
</StackNav.Navigator>
)
}
export default StackNavInit
My LoginScreen.js:
import React from 'react'
import { render } from 'react-dom'
import { Text, View, Button} from 'react-native'
import store from '../../store/store'
import {login} from '../../store/actions'
class LoginScreen extends React.Component{
constructor(props){
super(props)
}
logIn = ()=> {
//console.log(store.getState().isLoggedIn)
store.dispatch(login());
//this.props.navigation.navigate("Classes")
};
render(){
return (
<View>
<Text> Welcome to Courses Managing Application</Text>
<Text> Press Start </Text>
<Button title="Start" onPress={this.logIn}></Button>
<Text> {store.getState().isLoggedIn} </Text>
</View>
)
}
}
export default LoginScreen
for further information, here are things in my store folder (But I don't think it's related):
actions.js:
export const UPDATE_INFOR = 'UPDATE_INFOR'
export const GET_DATA = 'GET_DATA'
export const ADD_EMPLOYEE = 'ADD_EMPLOYEE'
export const DATA_REQ_SENT = 'DATA_REQ_SENT'
export const DATA_REQ_SUCCEED = 'DATA_REQ_SUCCEED'
export const DATA_REQ_FAILED = 'DATA_REQ_FAILED'
export const LOG_IN = 'LOG_IN'
export const updateInfor = (infor) => ({type: UPDATE_INFOR, payload: infor})
export const addEmployee = (infor) => ({type: ADD_EMPLOYEE, payload: infor})
export const login = () => ({type: LOG_IN})
reducers.js:
import defaultState from './state'
function reducer(state = defaultState, action) {
switch (action.type) {
case 'LOG_IN':
return {...state, isLoggedIn: true}
default:
return state
}
}
export default reducer
state.js:
export default defaultState = {
isLoggedIn: false,
url: 'https://randomuser.me/api/',
results: 100,
nat:'us',
list_inc:'name,gender,dob,phone,picture,id',
}
store.js:
import { createStore, applyMiddleware } from 'redux'
import reducer from './reducers'
import thunk from 'redux-thunk'
export default store = createStore(reducer, applyMiddleware(thunk))
I figured out a way my self.
First wrap the App with the <Provider></Provider>
export default function App() {
return (
<Provider store ={store}>
<NavigationContainer>
<StackNavInit/>
</NavigationContainer>
</Provider>
);
}
then in StackNav use a Selector to connect a property isLoggedin to the store property with the same name, eg: const isLoggedIn = useSelector(state => state.isLoggedIn)
then the Navigator gonna look like:
function StackNavInit(){
const isLoggedIn = useSelector(state => state.isLoggedIn)
return (
<StackNav.Navigator
initialRouteName="Login"
>
{isLoggedIn? (
<>
<StackNav.Screen
name="Classes"
component={ClassesListScreen}
options={{title: "Your Classes"}}
/>
<StackNav.Screen
name="StudentsTabNav"
component={StudentsTabNavInit}
options ={{title: "Students"}}
/>
<StackNav.Screen
name="Details"
component={DetailsScreen}
options={{ title: "Details" }}
/>
<StackNav.Screen
name="Add"
component={AddScreen}
options={{title: "Add Course"}}
/>
</>
) : (
<>
<StackNav.Screen
name="Login"
component={LoginScreen}
options={{headerShown: false}}
/>
</>
)
}
</StackNav.Navigator>
)
}

Unable to redirect on button click React.js (using context provider)

I'm new to React and I've been trying to redirect to a different component after getting a response from my API.
I've tried using history, location, and Redirect, but the redirect never happens.
Also, I get undefined when using all of the above.
I'm not sure if this is because my App is defined outside the Router, if it is the reason I'm still unable to fix the issue.
Here is my code:
index.js
import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import reportWebVitals from './reportWebVitals';
import { AppProvider } from './Context'
import { BrowserRouter as Router } from 'react-router-dom'
ReactDOM.render(
<React.StrictMode>
<AppProvider>
<App />
</AppProvider>
</React.StrictMode>,
document.getElementById('root')
);
App.js
import React from 'react';
import './App.css';
import {Home, JoinRoom, CreateRoom, Room } from './pages';
import { BrowserRouter as Router, Switch, Route } from 'react-router-dom';
function App() {
return (
<div className="App">
<Router>
<Switch>
<Route path="/" exact={true}>
<Home />
</Route>
<Route path="/join">
<JoinRoom />
</Route>
<Route path="/create">
<CreateRoom />
</Route>
<Route path="/room/:roomCode">
<Room />
</Route>
</Switch>
</Router>
</div>
);
}
export default App;
Context.js
Here, in the handleRoomButtonPressed, I'm getting data from the API and trying to redirect.
import React, { useState, useContext } from 'react';
import axios from 'axios';
import { Redirect, useHistory } from "react-router-dom";
const AppContext = React.createContext()
const AppProvider = ({ children }) => {
// const history = useHistory();
const [guestCanPause, setGuestCanPause] = useState(true);
const [votesToSkip, setVotesToSkip] = useState(2);
const [isHost, setIsHost] = useState(false);
const handleVotesChange = (e) => {
e.preventDefault();
setVotesToSkip(e.target.value);
}
const handleGuestCanPauseChange = (e) => {
e.preventDefault();
setGuestCanPause(e.target.value)
}
const handleRoomButtonPressed = async (props) => {
const roomData = { guest_can_pause: guestCanPause, votes_to_skip: votesToSkip };
const response = await axios.post('/api/create-room/', roomData);
console.log(response.data)
const redirectUrl = "/room/" + response.data.code;
console.log(props)
return <Redirect to={redirectUrl} />
}
const getRoomDetails = async (roomCode) => {
axios
.get("/api/get-room?code=" + roomCode)
.then((res) => {
console.log(res.data)
setVotesToSkip(res.data.votes_to_skip);
setGuestCanPause(res.data.guest_can_pause);
setIsHost(res.data.is_host);
})
.catch((err) => console.log(err));
}
return <AppContext.Provider value={{ guestCanPause,
votesToSkip,
isHost,
handleGuestCanPauseChange,
handleVotesChange,
handleRoomButtonPressed,
getRoomDetails, }}>
{children}
</AppContext.Provider>
}
export const useGlobalContext = () => {
return useContext(AppContext)
}
export { AppContext, AppProvider }
The onClick is called in CreateRoom.js
import React, { useState, } from 'react';
import { useGlobalContext } from '../Context'
import { Link } from 'react-router-dom';
import { Button, Grid, Typography, TextField, FormHelperText, FormControl, Radio, RadioGroup, FormControlLabel } from '#material-ui/core'
function CreateRoom() {
const defaultVotes = 2;
const { handleGuestCanPauseChange, handleVotesChange, handleRoomButtonPressed } = useGlobalContext();
return (
<Grid container spacing={1}>
<Grid item xs={12} align="center">
<Typography component="h4" variant="h4">
Create A Room
</Typography>
</Grid>
<Grid item xs={12} align="center">
<FormControl component="fieldset">
<FormHelperText>
<div align="center">Guest Control of Playback state</div>
</FormHelperText>
<RadioGroup row defaultValue="true" onChange={handleGuestCanPauseChange}>
<FormControlLabel value="true"
control={<Radio color="primary" />}
label="Play/Pause" labelPlacemment="bottom" />
<FormControlLabel value="false"
control={<Radio color="secondary" />}
label="No Control" labelPlacemment="bottom" />
</RadioGroup>
</FormControl>
</Grid>
<Grid item xs={12} align="center">
<FormControl>
<TextField required={true}
type="number" onChange={handleVotesChange}
defaultValue={defaultVotes}
inputProps={{ min: 1,
style: { textAlign: "center" },
}}
/>
<FormHelperText>
<div align="center">Votes Required To Skip Song</div>
</FormHelperText>
</FormControl>
</Grid>
<Grid item xs={12} align="center">
<Button
color="primary"
variant="contained"
onClick={handleRoomButtonPressed}
>
Create A Room
</Button>
</Grid>
<Grid item xs={12} align="center">
<Button color="secondary" variant="contained" to="/" component={Link}>
Back
</Button>
</Grid>
</Grid>
)
}
export default CreateRoom
If I understood a subject correctly your AppProvider is located above the router in the component tree. Thus, the react router cannot inject its dependencies into your AppProvider. If you want to access react-router API, such as useHistory hook or others, you should call it from one of the Router children, then it will works.

Login Form React JS With Custom Hook

I'm currently in the process of learning React JS.Tutorial D.O
I already have a PHP backend before and I want to create a login form where the result of the backend is JWT.
I use a custom hook in React JS for that.
Here is the code that I created.
App.js
import "./App.css";
import React from "react";
import { Routes } from "../config";
import { useToken } from "../hooks";
import Login from "./Login";
const App = () => {
const { token, setToken } = useToken();
if (!token) {
return <Login setToken={setToken} />;
}
return <Routes />;
};
export default App;
useToken()
import { useState } from "react";
export default function useToken() {
const getToken = () => {
const tokenString = localStorage.getItem("token");
const userToken = JSON.parse(tokenString);
return userToken?.token;
};
const [token, setToken] = useState(getToken());
const saveToken = (userToken) => {
localStorage.setItem("token", JSON.stringify(userToken));
setToken(userToken.token);
};
return {
setToken: saveToken,
token,
};
}
Login/index.js
import React, { useState } from "react";
import PropTypes from "prop-types";
import { Button, Card, Col, Container, Form, Row } from "react-bootstrap";
import "./login.css";
async function loginUser(credentials) {
const url = "v1/auth";
const user = new FormData();
user.append("username", credentials.username);
user.append("password", credentials.password);
return fetch(url, {
method: "POST",
body: user,
}).then((data) => data.json());
}
export default function Login({ setToken }) {
const [username, setUserName] = useState();
const [password, setPassword] = useState();
// Handle submit
const handleSubmit = async (e) => {
e.preventDefault();
const token = await loginUser({ username, password });
setToken(token);
};
return (
<div id="login-page">
<Container>
<Row className="d-flex justify-content-md-center align-items-center vh-100">
<Col sm={12} md={6}>
<Card>
<Form onSubmit={handleSubmit}>
<Card.Header>Sign In</Card.Header>
<Card.Body>
<Form.Group controlId="loginform-username">
<Form.Label>Username</Form.Label>
<Form.Control
type="text"
placeholder="Username"
name="username"
onChange={(e) => setUserName(e.target.value)}
/>
</Form.Group>
<Form.Group controlId="loginform-password">
<Form.Label>Password</Form.Label>
<Form.Control
name="password"
type="password"
placeholder="Password"
onChange={(e) => setPassword(e.target.value)}
/>
</Form.Group>
</Card.Body>
<Card.Footer>
<Button
variant="primary"
type="submit"
className="float-right"
>
Login
</Button>
<div className="clearfix"></div>
</Card.Footer>
</Form>
</Card>
</Col>
</Row>
</Container>
</div>
);
}
Login.propTypes = {
setToken: PropTypes.func.isRequired,
};
When I login successfully, I save the token to local storage. But I got the following warning.
index.js:1 Warning: Failed prop type: The prop `setToken` is marked as required in `Login`, but its value is `undefined`.
How to solve this?. Any help it so appreciated
Updated
Routes
import React from "react";
import { BrowserRouter as Router, Switch, Route } from "react-router-dom";
import { Login, Home } from "../../pages";
const Routes = () => {
return (
<Router>
<Switch>
<Route path="/login">
<Login />
</Route>
<Route path="/">
<Home />
</Route>
</Switch>
</Router>
);
};
export default Routes;
In Routes you call Login but never pass it setToken, which is required. One option is to pass the setToken function down through Routes:
App.js
import "./App.css";
import React from "react";
import { Routes } from "../config";
import { useToken } from "../hooks";
import Login from "./Login";
const App = () => {
const { token, setToken } = useToken();
if (!token) {
return <Login setToken={setToken} />;
}
return <Routes setToken={setToken} />;
};
export default App;
Routes.js
import React from "react";
import { BrowserRouter as Router, Switch, Route } from "react-router-dom";
import { Login, Home } from "../../pages";
const Routes = ({ setToken }) => {
return (
<Router>
<Switch>
<Route path="/login">
<Login setToken={setToken} />
</Route>
<Route path="/">
<Home />
</Route>
</Switch>
</Router>
);
};
export default Routes;
<Route path="/login">
<Login /> /* <--- this line is calling Login component but is passing setToken as undefined */
</Route>

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