Functional Testing in Yii using Goutte

SiteTest.php

<?php

use Goutte\Client;

class SiteTest extends CTestCase {
  protected $client;

  public function setUp() {
    parent::setUp();
    $this->client = new Client();
  }

  public function open($route, $params=array()) {
    $url = explode('phpunit', Yii::app()->createUrl($route, $params));
    return TEST_BASE_URL.$url[1];
  }

  public function testIndex() {
    $crawler = $this->client->request('GET', $this->open('site/index'));
    $this->assertEquals('My Web Application', $crawler->filter('title')->text());
  }

  public function testContact() {
    $crawler = $this->client->request('GET', $this->open('site/contact'));
    $this->assertEquals('My Web Application - Contact Us', $crawler->filter('title')->text());

    $form = $crawler->filter('input[type=submit]')->form();
    $this->assertEquals('POST', strtoupper($form->getMethod()));
    $this->assertTrue($form->has('ContactForm[name]'));

    // set some values
    $form['ContactForm[name]'] = 'tester';
    $form['ContactForm[email]'] = 'tester@example.com';
    $form['ContactForm[subject]'] = 'test subject';

    // submit the form
    $crawler = $this->client->submit($form);
    $this->assertEquals('Body cannot be blank.', $crawler->filter('#ContactForm_body_em_')->text());
  }

  public function testLoginLogout() {
    $crawler = $this->client->request('GET', $this->open('site/index'));

    // ensure the user is logged out
    $this->assertNotRegExp('/Logout/', $this->client->getResponse()->getContent());

    // test login process, including validation
    $crawler = $this->client->click($crawler->selectLink('Login')->link());
    $form = $crawler->filter('input[type=submit]')->form();
    $this->assertTrue($form->has('LoginForm[username]'));

    $crawler = $this->client->submit($form);
    $this->assertRegExp('/Username cannot be blank./', $this->client->getResponse()->getContent());
    $this->assertRegExp('/Password cannot be blank./', $this->client->getResponse()->getContent());

    $form['LoginForm[username]'] = 'demo';
    $form['LoginForm[password]'] = 'demo';
    $crawler = $this->client->submit($form);
    $this->assertNotRegExp('/Password cannot be blank./', $this->client->getResponse()->getContent());
    $this->assertRegExp('/Logout/', $this->client->getResponse()->getContent());

    // test logout process
    $this->assertNotRegExp('/Login/', $this->client->getResponse()->getContent());
    $crawler = $this->client->click($crawler->selectLink('Logout (demo)')->link());
    $this->assertRegExp('/Login/', $this->client->getResponse()->getContent());
  }

}