React Native: How to test React Native components with Jest and React Native Testing Library?

1npm install --save-dev @testing-library/react-native

1import { render, fireEvent, screen } from "@testing-library/react-native";
2
3test("button press increases count", () => {
4  render(<Counter />);
5
6  const button = screen.getByText("Increment");
7  fireEvent.press(button);
8
9  expect(screen.getByText("Count: 1")).toBeTruthy();
10});

1import { waitFor } from "@testing-library/react-native";
2
3test("loads data", async () => {
4  render(<DataList />);
5
6  await waitFor(() => {
7    expect(screen.getByText("Item 1")).toBeTruthy();
8  });
9});