Can I access parameters in my protractor configuration file?

Question

I start my protractor tests by running the following:

protractor protractor.conf.js --params.baseUrl=http://www.google.com --suite all

I w

Answer 1

Here is a sample code to iterate thru cmd line args in your Protractor config file and set specs (and some other run configuration values) directly from command line:

config.js

// usage: protractor config.js --params.specs="*" --params.browser=ie --params.threads=1
//        protractor config.js --params.specs="dir1|dir2"
//        protractor config.js --params.specs="dir1|dir2/spec1.js|dir2/spec2.js"

// process command line arguments and initialize run configuration file
var init = function(config) {
  const path = require('path');
  var specs;
  for (var i = 3; i < process.argv.length; i++) {
    var match = process.argv[i].match(/^--params\.([^=]+)=(.*)$/);
    if (match)
      switch (match[1]) {
        case 'specs':
          specs = match[2];
          break;
        case 'browser':
          config.capabilities.browserName = match[2];
          if (match[2].toLowerCase() === 'ie') {
            config.capabilities.browserName = 'internet explorer';
            config.capabilities.platform = 'ANY';
            config.capabilities.version = '11';
            config.seleniumArgs = ['-Dwebdriver.ie.driver=' + path.join('node_modules', 'protractor' ,'selenium' ,'IEDriverServer.exe')];
          }
          if (match[2] !== 'chrome' && match[2] !== 'firefox')
            config.directConnect = false;
          break;
        case 'timeout':
          config.jasmineNodeOpts.defaultTimeoutInterval = parseInt(match[2]);
          break;
        case 'threads':
          config.capabilities.maxInstances = parseInt(match[2]);
          config.capabilities.shardTestFiles = config.capabilities.maxInstances > 1;
          break;
      }
  }

  // generate specs array
  specs.split(/\|/g).forEach(function(dir) {
    if (dir.endsWith('.js'))
      config.specs.push(dir);
    else
      config.specs.push(path.join(dir, '*.js'));
  });

  return config;
};

exports.config = (function() {
  return init({
    specs: [],
    framework: 'jasmine',
    jasmineNodeOpts: {
      defaultTimeoutInterval: 300000 // 5 min
    },
    capabilities: {
      browserName: 'chrome',
      shardTestFiles: false,
      maxInstances: 1
    },
    directConnect: true
  });
})();

Answer 2

In case you need every single item in the entire configuration file, you can use browser.getProcessedConfig() to do this.

onPrepare: () => {
    browser.getProcessedConfig().then(console.log); // even `params` is in here
}

Answer 3

I am not completely sure if protractor globals are set at the beforeLaunch() stage, but they are definitely available at onPrepare() step.

Access the params object through the global browser object:

console.log(browser.params.baseUrl);

Update: Using Jasmine 2.6+, protractor 4.x, browser.params was empty, but the following worked in onPrepare() step:

console.log(browser.baseUrl);