Custom rspec runner for opal specs

gistfile1.txt

/*
 * Test runner for phantomjs
 */
var args = phantom.args;
var page = require('webpage').create();
var fs = require('fs');
var logfile = args[1] || "/tmp/out.log";

fs.write(logfile, '', 'w');

page.onConsoleMessage = function(msg) {
  fs.write(logfile, msg, 'a');
  fs.write(logfile, '\n', 'a')
  console.log(msg);
};

page.onInitialized = function() {
  page.evaluate(function () {
    window.OPAL_SPEC_PHANTOM = true;
  });
};

page.open(args[0], function(status) {
  if (status !== 'success') {
    console.error("Cannot load: " + args[0]);
    phantom.exit(1);
  } else {
    var timeout = parseInt(args[1] || 60000, 10);
    var start = Date.now();
    var interval = setInterval(function() {
      if (Date.now() > start + timeout) {
        console.error("Specs timed out");
        phantom.exit(124);
      } else {
        var code = page.evaluate(function() {
          return window.OPAL_SPEC_CODE;
        });

        if (code === 0 || code === 1) {
          clearInterval(interval);
          phantom.exit(code);
        }
      }
    }, 500);
  }
});