codecept.js

cd ~/_APP && mkdir -p pr2017_tests &&
cd ~/_APP/pr2017_tests &&
npm init -f && 
npm install g codeceptjs &&
npm install -g nightmare nightmare-upload &&
codeceptjs init

//Choose webdrive.io


Scenario('test some forms', (I) => {
  I.amOnPage('http://simple-form-bootstrap.plataformatec.com.br/documentation');
 // I.saveScreenshot('tc1_1.png');
//   var title = yield I.grabTitle();
//   assert.equal(title, 'Example application with SimpleForm and Twitter Bootstrap');
  I.seeInTitle('Example application');
  I.fillField('Email', 'hello@world.com');
  I.fillField('Password', '123456');
  I.checkOption('Active');
  I.checkOption('Male');
  I.click('Create User');
  I.see('User is valid');
  I.saveScreenshot('tc1_2.png');


//   I.dontSeeInCurrentUrl('/documentation');
});


SELECT OPTION
---
selectOption
Selects an option in a drop-down select. Field is searched by label | name | CSS | XPath. Option is selected by visible text or by value.

I.selectOption('Choose Plan', 'Monthly'); // select by label
I.selectOption('subscription', 'Monthly'); // match option by text
I.selectOption('subscription', '0'); // or by value
I.selectOption('//form/select[@name=account]','Premium');
I.selectOption('form select[name=account]', 'Premium');
I.selectOption({css: 'form select[name=account]'}, 'Premium');
Provide an array for the second argument to select multiple options.

I.selectOption('Which OS do you use?', ['Android', 'iOS']);


RETRY
---
Feature('Complex JS Stuff', {retries: 3})

Scenario('Not that complex', {retries: 1}, (I) => {
  // test goes here
});


codeceptjs run --steps



```
Examples :
https://github.com/Codeception/CodeceptJS/tree/master/examples


source :
http://pythonhackers.com/p/segmentio/nightmare
https://github.com/segmentio/nightmare#api
http://126kr.com/article/6cbuduph26m
http://codecept.io/nightmare/
https://www.npmjs.com/package/codeceptjs