Example Drupal Web Test Class

DrupalWebTest.php

<?php
/**
 * @file
 * Test for the home page of this website.
 */
 
class SiteTestingHomePageTest extends SiteTesting {
  /**
   * Stores the user created for this test.
   */
  protected $siteUser;
 
  /**
   * Information about the home page test.
   */
  public static function getInfo() {
    return array(
      'name' => 'Home page',
      'description' => 'Tests the contents of the home page.',
      'group' => 'Site Testing',
    );
  }
 
  /**
   * Create the site user to be used within the home page tests during setup.
   */
  public function setUp() {
    // Run the default setUp function provided by our common testing class.
    parent::setUp();
 
    // Create a user who has access content permission.
    $this->siteUser = $this->drupalCreateUser(array('access content'));
  }
 
  /**
   * Tests that logged in users do not get log in form.
   */
  public function testHomePageLoginMarkup() {
    // Visit the home page.
    $this->drupalGet('');
 
    // Check the welcome message and username field are present.
    $this->assertText('Welcome to Drupal', 'Title text found.');
    $this->assertFieldByName('name', '', 'Username field found.');
 
    // Log in as the site user we created in the setUp phase of the test.
    $this->drupalLogin($this->siteUser);
 
    // Visit the homepage and check the username field is not present.
    $this->drupalGet('');
    $this->assertNoFieldByName('name', '', 'Username not visible for logged in user.');
  }
 
  /**
   *  Test that the home page has the 'Powered by Drupal' message.
   */
  public function testStillAnon() {
    // Visit the home page.
    $this->drupalGet('');
 
    // Check that the powered by block exists using XPATH.
    $powered_by_block = $this->xpath('//div[@id="block-system-powered-by"]');
    $this->assertTrue($powered_by_block, 'Powered by block exists.');
 
    // If the powered by block exists, check the powered by text exists.
    if ($powered_by_block) {
      $this->assertText('Powered by Drupal', 'Powered by message is correct.');
    }
  }
 
  /**
   * Remove the user created in this test before running the final tear down.
   */
  public function tearDown() {
    // Remove user created in the setUp part of this test.
    if ($this->siteUser) {
      user_delete($this->siteUser->uid);
    }
 
    // Run the default teardown function provided by our common testing class.
    parent::tearDown();
  }
}