router.test.js

import { applyMiddleware, combineReducers, compose, createStore } from 'redux';
import thunkMiddleware from 'redux-thunk';
import { connectRouter, push, routerMiddleware } from 'connected-react-router';
import { createBrowserHistory } from 'history';


const history = createBrowserHistory({});


const createRootReducer = (browserHistory) => combineReducers({
    router: connectRouter(browserHistory),
});


export function createReduxStore(initialState = {}) {
    return createStore(
        createRootReducer(history),
        initialState,
        compose(
            applyMiddleware(
                routerMiddleware(history),
                thunkMiddleware,
            )
        )
    );
}


describe('router', () => {
    it('gets the correct data in URL', () => {
        const store = createReduxStore();
        expect(store.getState().router.location.pathname).toEqual('/');
        store.dispatch(push('/kg/firefox/resource/?string=42'));
        // This fails, `pathname` is still "/"
        expect(store.getState().router.location.pathname).toEqual('/kg/firefox/resource/');
    });
});