fixtures.js

var fs = require('fs');
var path = require('path');
var glob = require('globby');
var _ = require('lodash');

var pattern = 'test/fixtures/remarked_pending/**/*.{md,html}';
var len = 'answer_to_life_the_universe_and_everything'.length;
var delim = new Array(len).join('~');


function writeFixtures(filepath) {
  var fixtures = _.reduce(glob.sync(filepath), function (acc, fp) {
    acc[path.basename(fp)] = fs.readFileSync(fp, 'utf8');
    return acc;
  }, {});

  var pairs = _.reduce(fixtures, function (acc, value, key, o) {
    var name = path.basename(key, path.extname(key));
    acc[name] = {md: o[name + '.md'].trim(), html: o[name + '.html'].trim()};
    return acc;
  }, {});

  return _.reduce(pairs, function (acc, value, key, o) {
    acc.push(delim);
    acc.push(key + '\n');
    acc.push('.');
    acc.push(value['md']);
    acc.push('.');
    acc.push(value['html']);
    acc.push('.' + '\n');
    return acc;
  }, []).join('\n');
}

console.log(writeFixtures(pattern));
// > test/fixtures/remarked/remarked.txt