Answers for "could not find react-redux context value; please ensure the component is wrapped in a <Provider>"

Javascript

jest Invariant Violation: could not find react-redux context value; please ensure the component is wrapped in a <Provider>

import React from 'react'
import { render } from 'react-testing-library'

import App from '../pages/index.js'

import { Provider } from 'react-redux'
import configureStore from 'redux-mock-store'



describe('With React Testing Library', () => {
  const initialState = {output:10}
  const mockStore = configureStore()
  let store,wrapper

  it('Shows "Hello world!"', () => {
    store = mockStore(initialState)
    const { getByText } = render(<Provider store={store}><App /></Provider>)

    expect(getByText('Hello Worldd!')).not.toBeNull()
  })
})

Posted by: Guest on March-18-2020

Source

could not find react-redux context value; please ensure the component is wrapped in a <Provider>

First install package
yarn add   redux-mock-store  --dev
if Using Typesript then 

yarn add @types/redux-mock-store --dev



================================
import React from 'react';
import { render } from '@testing-library/react-native';
import Login from  '../Screens/Login';
import { useNavigation } from '@react-navigation/native';
import { Provider } from 'react-redux'
import configureStore from 'redux-mock-store'
import { myStore } from '../Store/store';

it("Check App Render  <Login />", () => {

   const {debug}= render(<Provider store={myStore}>
      <Login navigation={useNavigation}/>
      </Provider>);

debug()
});

Posted by: Guest on August-04-2021

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Answers for "could not find react-redux context value; please ensure the component is wrapped in a <Provider>"

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