cli-testing-library

import { resolve } from 'path'; import { render } from 'cli-testing-library'; import 'cli-testing-library/jest'; // Extend Jest's expect with CLI matchers describe('Interactive CLI Testing', () => { test('Should be able to make terminal input and view in-progress stdout', async () => { // Assuming a simple Node.js script that prompts for input const scriptPath = resolve(__dirname, './fixtures/stdio-inquirer.js'); const { clear, findByText, queryByText, userEvent } = await render('node', [ scriptPath, ]); // Wait for the first prompt to appear const initialPrompt = await findByText('First option'); expect(initialPrompt).toBeInTheConsole(); // Verify current selection expect(await findByText('❯ One')).toBeInTheConsole(); // Clear console output for better readability in tests clear(); // Simulate arrow down key press to select 'Two' userEvent('[ArrowDown]'); // Verify new selection expect(await findByText('❯ Two')).toBeInTheConsole(); clear(); // Simulate Enter key press to confirm selection userEvent.keyboard('[Enter]'); // Verify the final output after selection expect(await findByText('First option: Two')).toBeInTheConsole(); expect(await queryByText('First option: Three')).not.toBeInTheConsole(); // Optional: Clean up after the test if the CLI process persists // await cleanup(); }, 10000); // Increase timeout for interactive CLI tests });