chimpy/dist/lib/cucumberjs/cucumber-wrapper.js

Develop acceptance tests & end-to-end tests with realtime feedback.

"use strict";

/*
 * This file does some minor modifications on how Cucumber is started.
 *
 * Modifications to the original code from cucumber:
 * - Adds the IPC listener
 * - Modify the argv that are passed to the Cucumber CLI
 * - Use exit instead of process.exit
 */
var Cucumber = require('cucumber');

var exit = require('exit'); // This is a modified version of cucumber/lib/cli


function Cli(argv) {
  var Cucumber = require('cucumber');

  var Command = require('commander').Command;

  var path = require('path');

  function collect(val, memo) {
    memo.push(val);
    return memo;
  }

  function getProgram() {
    var program = new Command(path.basename(argv[1]));
    program.usage('[options] [<DIR|FILE[:LINE]>...]').version(Cucumber.VERSION, '-v, --version').option('-b, --backtrace', 'show full backtrace for errors').option('--compiler <EXTENSION:MODULE>', 'require files with the given EXTENSION after requiring MODULE (repeatable)', collect, []).option('-d, --dry-run', 'invoke formatters without executing steps').option('--fail-fast', 'abort the run on first failure').option('-f, --format <TYPE[:PATH]>', 'specify the output format, optionally supply PATH to redirect formatter output (repeatable)', collect, ['pretty']).option('--name <REGEXP>', 'only execute the scenarios with name matching the expression (repeatable)', collect, []).option('--no-colors', 'disable colors in formatter output').option('--no-snippets', 'hide step definition snippets for pending steps').option('--no-source', 'hide source uris').option('-p, --profile <NAME>', 'specify the profile to use (repeatable)', collect, []).option('-r, --require <FILE|DIR>', 'require files before executing features (repeatable)', collect, []).option('--snippet-syntax <FILE>', 'specify a custom snippet syntax').option('-S, --strict', 'fail if there are any undefined or pending steps').option('-t, --tags <EXPRESSION>', 'only execute the features or scenarios with tags matching the expression (repeatable)', collect, []);
    program.on('--help', function () {
      console.log('  For more details please visit https://github.com/cucumber/cucumber-js#cli\n');
    });
    return program;
  }

  function getConfiguration() {
    var program = getProgram();
    program.parse(argv);
    var profileArgs = Cucumber.Cli.ProfilesLoader.getArgs(program.profile);

    if (profileArgs.length > 0) {
      var fullArgs = argv.slice(0, 2).concat(profileArgs).concat(argv.slice(2));
      program = getProgram();
      program.parse(fullArgs);
    }

    var configuration = Cucumber.Cli.Configuration(program.opts(), program.args);
    return configuration;
  }

  var self = {
    run: function run(callback) {
      var configuration = getConfiguration();
      var runtime = Cucumber.Runtime(configuration);
      var formatters = [createIpcFormatter()].concat(configuration.getFormatters());
      formatters.forEach(function (formatter) {
        runtime.attachListener(formatter);
      });

      try {
        runtime.start(callback);
      } catch (e) {
        console.log(e.stack || e);
        callback(false);
      }
    }
  };
  return self;
}

function createIpcFormatter() {
  // add a json formatter that sends results over IPC
  var ipcFormatter = new Cucumber.Listener.JsonFormatter();
  var finish = ipcFormatter.finish;

  ipcFormatter.finish = function sendResultToChimp(callback) {
    var _this = this;

    finish.call(this, function (error, result) {
      var results = _this.getLogs();

      process.send(results, function () {
        callback(error, result);
      });
    });
  };

  return ipcFormatter;
} // This is a modified version of cucumber/bin/cucumber


var argv = process.argv.slice(1);
argv = argv.slice(argv.indexOf('node'));
var cli = Cli(argv);
cli.run(function (succeeded) {
  var code = succeeded ? 0 : 2;

  function exitNow() {
    exit(code);
  }

  if (process.stdout.write('')) {
    exitNow();
  } else {
    // write() returned false, kernel buffer is not empty yet...
    process.stdout.on('drain', exitNow);
  }
});