EmailExampleTestCase

class EmailExampleTestCase extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => 'Email example', 
      'description' => 'Verify the email submission using the contact form.', 
      'group' => 'Examples',
    );
  }

  function setUp() {
    // Enable the email_example module.
    parent::setUp('email_example');
  }

  /**
   * Verify the functionality of the example module.
   */
  function testContactForm() {
    // Create and login user.
    $account = $this->drupalCreateUser();
    $this->drupalLogin($account);

    // Set default language for t() translations
    $t_options = array(
      'langcode' => language_default()->language,
    );

    // First try to send to an invalid email address.
    $email_options = array(
      'email' => $this->randomName(), 
      'message' => $this->randomName(128),
    );
    $result = $this->drupalPost('example/email_example', $email_options, t('Submit'));

    // Verify that email address is invalid and email was not sent.
    $this->assertText(t('That e-mail address is not valid.'), t('Options were validated and form submitted.'));
    $this->assertTrue(!count($this->drupalGetMails()), t('No email was sent.'));

    // Now try with a valid email address.
    $email_options['email'] = $this->randomName() . '@' . $this->randomName() . '.drupal';
    $result = $this->drupalPost('example/email_example', $email_options, t('Submit'));

    // Verify that email address is valid and email was sent.
//   $this->assertText(t('Your message has been sent.'), t('Options were validated and form submitted.'));
    $this->assertTrue(count($this->drupalGetMails()), t('An email has been sent.'));

    // Validate sent email.
    $email  = $this->drupalGetMails();
    // Grab the first entry.
    $email = $email[0];

    // Verify email recipient.
    $this->assertEqual(
      $email['to'], 
      $email_options['email'], 
      t('Email recipient successfully verified.')
    );

    // Verify email subject.
    $this->assertEqual(
      $email['subject'], 
      t('E-mail sent from @site-name', array('@site-name' => variable_get('site_name', 'Drupal')), $t_options), 
      t('Email subject successfully verified.')
    );

    // Verify email body.
    $this->assertTrue(
      strstr(
        $email['body'], 
        t('@name sent you the following message:', array('@name' => $account->name), $t_options)
      ), 
      t('Email body successfully verified.')
    );

    // Verify that signature is attached.
    $this->assertTrue(
      strstr(
        $email['body'], 
        t("--\nMail altered by email_example module.", array(), $t_options)
      ), 
      t('Email signature successfully verified.')
    );
  }
}