protractor/lib/frameworks/cucumber.js

Webdriver E2E test wrapper for Angular.

var ConfigParser = require('../configParser');

/**
 * Execute the Runner's test cases through Cucumber.
 *
 * @param {Runner} runner The current Protractor Runner.
 * @param {Array} specs Array of Directory Path Strings.
 * @param done A callback for when tests are finished.
 */
exports.run = function(runner, specs, done) {
  // TODO - add the event interface for cucumber.
  var Cucumber = require('cucumber'),
      execOptions = ['node', 'node_modules/.bin/cucumber-js'],
      cucumberResolvedRequire;

  // Set up exec options for Cucumber
  execOptions = execOptions.concat(specs);
  if (runner.getConfig().cucumberOpts) {

    // Process Cucumber Require param
    if (runner.getConfig().cucumberOpts.require) {
      // TODO - this should move into the launcher.
      cucumberResolvedRequire =
          ConfigParser.resolveFilePatterns(
              runner.getConfig().cucumberOpts.require,
              false,
              runner.getConfig().configDir);
      if (cucumberResolvedRequire && cucumberResolvedRequire.length) {
          execOptions = cucumberResolvedRequire.reduce(function(a, fn) {
            return a.concat('-r', fn);
          }, execOptions);
      }
    }

    // Process Cucumber Tag param
    if (Array.isArray(runner.getConfig().cucumberOpts.tags)) {
        for (var i in runner.getConfig().cucumberOpts.tags) {
            var tags = runner.getConfig().cucumberOpts.tags[i];
            execOptions.push('-t');
            execOptions.push(tags);
        }
    } else if (runner.getConfig().cucumberOpts.tags) {
      execOptions.push('-t');
      execOptions.push(runner.getConfig().cucumberOpts.tags);
    }

    // Process Cucumber Format param
    if (runner.getConfig().cucumberOpts.format) {
      execOptions.push('-f');
      execOptions.push(runner.getConfig().cucumberOpts.format);
    }

    // Process Cucumber 'coffee' param
    if (runner.getConfig().cucumberOpts.coffee) {
      execOptions.push('--coffee');
    }
  }
  global.cucumber = Cucumber.Cli(execOptions);

  runner.runTestPreparers().then(function() {
    global.cucumber.run(function(succeeded) {
      if (runner.getConfig().onComplete) {
        runner.getConfig().onComplete();
      }
      var resolvedObj = {
        failedCount: succeeded ? 0 : 1
      };
      done(resolvedObj);
    });
  });
};