Mastering React Test-Driven Development

Specifying the render prop in App

It's the App component that will pass renderCustomerActions to CustomerSearch, so let's build that:

1. In test/App.test.js, add the following test inside the search customers describe block. It defines a helper, renderSearchActionsForCustomer, which navigates until the relevant search actions have been rendered. The test then looks for the first child in these search actions. We'll add a second button later on in the book:

const renderSearchActionsForCustomer = customer => {  searchCustomers();  const customerSearch = elementMatching(type(CustomerSearch));  const searchActionsComponent =    customerSearch.props.renderCustomerActions;  return searchActionsComponent(customer);};it('passes a button to the CustomerSearch ...