astro/packages/create-astro/test/utils.js

import { setStdout } from '../dist/index.js';
import stripAnsi from 'strip-ansi';

export function setup() {
	const ctx = { messages: [] };
	before(() => {
		setStdout(Object.assign({}, process.stdout, {
			write(buf) {
				ctx.messages.push(stripAnsi(String(buf)).trim())
				return true;
			}
		}))
	});
	beforeEach(() => {
		ctx.messages = [];
	})

	return {
		messages() {
			return ctx.messages
		},
		length() {
			return ctx.messages.length
		},
		hasMessage(content) {
			return !!ctx.messages.find(msg => msg.includes(content))
		}
	};
}