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redux と react-intl を使用して、react コンポーネントのテストを作成しようとしています。

import React from 'react';
import { expect } from 'chai';
import { shallow, mount, render } from 'enzyme';
import Navbar from 'Navbar';
import configureMockStore from 'redux-mock-store'
import thunk from 'redux-thunk'
import { Provider } from 'react-redux';
import messages from '../src/l10n/en.json'
import { IntlProvider } from 'react-intl'

const middlewares = [ thunk ]
const mockStore = configureMockStore(middlewares)
const store = mockStore({})


describe('<Navbar />', () => {

  it('calls componentDidMount', () => {
    const wrapper = mount(
      <Provider store={store}>
        <IntlProvider locale={ "en" } messages={ messages }>
          <Navbar />
        </IntlProvider>
      </Provider>
    );
    expect(Navbar.prototype.componentDidMount.calledOnce).to.equal(true);
  });
});

しかし、私はこの結果を得ました:

  <Navbar />
    1) calls componentDidMount


  0 passing (73ms)
  1 failing

  1) <Navbar /> calls componentDidMount:
     AssertionError: expected undefined to equal true

どうすれば修正できますか?

4

1 に答える 1