laravel-mix-purgecss/__test__/integration.test.js

PurgeCSS wrapper for Laravel Mix

const fs = require('fs');
const path = require('path');
const { promisify } = require('util');
const readFile = promisify(fs.readFile);

test('it purges css', async () => {
    const contents = await readFile(
        path.resolve(__dirname, '../example/public/css/app.css'),
        {
            encoding: 'utf8'
        }
    );

    expect(contents).toMatchSnapshot();
});