Simulating changes in location

tests.js

let stubApi = {};
let store;
let stubRouter = {
    location: {
        search: '',
        query: {
            toDay: '',
            fromDay: ''
        }
    },
    push: () => {};
};

function mountPageSimulatingNextQueryString(queryString) {
  let simulatedLocation = {
      location: {search: queryString}
  };
  const connectRouterToPageExplicitly = (state) => {
      return {
          routing: state.routing
      };
  };
  const Page = factory.createPage(stubApi, const connectRouterToPageExplicitly);
  page = mount(
      <Provider store={store}>
          <Page router={stubRouter} {...simulatedLocation}/>
      </Provider>);
}

function dispatchLocationChange(store){
  // Triggers the action that ends up with a call to
  // componentWillReceiveProps with the new location
  // Warning: This will break if future versions of react-router
  // change the string literal for type of the action.
  store.dispatch({
      type: '@@router/LOCATION_CHANGE',
      payload: {}
  });
} 

it('requests the report to the server when url changes', (done) => {
    store = configureStore();
    let sentFilters = null;
    stubApi.getTotalsReport = (filters) => {
        sentFilters = filters;
        return Promise.resolve({});
    };
    mountPageSimulatingNextQueryString(currentQueryString());
    dispatchLocationChange(store);

    onceArequestToServerHasBeenProcessed(() => {
       expect(sentFilters).toEqual(currentQueryString());
    }, done);
});