<?php
// $Id: mollom.test,v 1.1.2.3 2008-05-09 18:54:37 dries Exp $

class MollomModuleTestCase extends DrupalTestCase {
  function get_info() {
    return array(
      'group' => t('Mollom tests'),
    );
  }

  function setUp() {
    // Setup some test keys.  These keys will only work in test mode so consult the
    // Mollom API documentation for details:
    $this->drupalVariableSet('mollom_public_key', '9cc3d2e43971de758ecddad61a3d12ec');
    $this->drupalVariableSet('mollom_private_key', '603a8d11099f17faaab49139bfc7d00a');

    // Enable the modules requires for our tests:
    $this->drupalModuleEnable('comment');
    $this->drupalModuleEnable('contact');
    $this->drupalModuleEnable('mollom');

    parent::setUp();
  }

  /**
   * Test the key to see if it is working properly.
   */
  function testVerifyKey() {
    // Call the mollom.verifyKey function directly:
    $value = mollom('mollom.verifyKey');
    if ($value !== TRUE) {
      $this->fail(t('The key pair specified in the <code>mollom.test</code> file is not valid, or the Mollom servers were unreachable.'));
    }

    // Validate that the Mollom settings page works for users with
    // the 'administer site configuration' permission, and that is
    // reports a working Mollom key pair:
    $admin = $this->drupalCreateUserRolePerm(array('administer site configuration'));
    $this->drupalLoginUser($admin);
    $this->drupalGet('admin/settings/mollom');
    $this->assertResponse(array(200), 'Testing access to Mollom settings page.');
    $this->assertText('correctly', 'Testing the Mollom key pair.');
  }

  function testFallbackMechanismBlock() {
    // We set the fallback strategy to 'blocking mode':
    $this->drupalVariableSet('mollom_fallback', MOLLOM_FALLBACK_BLOCK);

    // We configure Mollom to use a non-existing server as that should trigger the fallback mechanism:
    $this->drupalVariableSet('mollom_servers', array('http://fake-host'));

    // We enable Mollom for the request password form:
    $this->drupalVariableSet('mollom_user_pass', 1);

    // Try to request the user's password:
    $this->drupalGet('user/password');
    $this->assertNoUnwantedRaw('edit-captcha', 'Check absence of CAPTCHA on request password form.');
    $this->assertText('The spam filter that is installed on this site is currently not available.', 'Testing the blocking fallback strategy.');
  }

  function testFallbackMechanismAccept() {
    // We set the fallback strategy to 'acccept mode':
    $this->drupalVariableSet('mollom_fallback', MOLLOM_FALLBACK_ACCEPT);

    // We configure Mollom to use a non-existing server as that should trigger the fallback mechanism:
    $this->drupalVariableSet('mollom_servers', array('http://fake-host'));

    // We enable Mollom for the request password form:
    $this->drupalVariableSet('mollom_user_pass', 1);

    // Try to request the user's password:
    $this->drupalGet('user/password');
    $this->assertNoUnwantedRaw('edit-captcha', 'Check absence of CAPTCHA on request password form.');
    $this->assertNoUnwantedRaw('The spam filter that is installed on this site is currently not available.', 'Testing the blocking fallback strategy.');
  }

  function testProtectRequestPassword() {
    // We first enable Mollom for the request password form:
    $this->drupalVariableSet('mollom_user_pass', 1);

    // Validate that the request password form has a CAPTCHA text field:
    $this->drupalGet('user/password');
    $this->assertWantedRaw('edit-captcha', 'Check presence of CAPTCHA on request password form.');

    // Create a new user:
    $user = $this->drupalCreateUserRolePerm(array('access content'));

    // Try to reset the user's password by specifying an invalid CAPTCHA:
    $edit = array('name' => $user->name, 'captcha' => 'incorrect');
    $this->drupalPost('user/password', $edit, 'E-mail new password');
    $this->assertText('The entered CAPTCHA solution is not correct.', 'Testing an inccorect CAPTCHA.');

    // Try to reset the user's password by specifying a valid CAPTCHA:
    $edit = array('name' => $user->name, 'captcha' => 'correct');
    $this->drupalPost('user/password', $edit, 'E-mail new password');
    $this->assertText('Further instructions have been sent to your e-mail address.', 'Testing a ccorect CAPTCHA.');
  }

  function testProtectRegisterUser() {
    // We first enable Mollom for the request password form:
    $this->drupalVariableSet('mollom_user_register', 1);

    // Validate that the request password form has a CAPTCHA text field:
    $this->drupalGet('user/register');
    $this->assertWantedRaw('edit-captcha', 'Check presence of CAPTCHA on register user form.');
  }

  function testCommentForm() {
    // Enable Mollom for comments:
    $this->drupalVariableSet('mollom_comment_form', 1);
    $this->drupalVariableSet('comment_preview_story', COMMENT_PREVIEW_OPTIONAL);

    // Create a user that can post stories and comments:
    $user = $this->drupalCreateUserRolePerm(array('access comments', 'post comments', 'create story content'));
    $this->drupalLoginUser($user);

    // Create a new post:
    $node = $this->drupalCreateNode(array('type' => 'story'));

    // Request the comment reply form.  Initially, there should be no CAPTCHA:
    $this->drupalGet('comment/reply/'. $node->nid);
    $this->assertNoUnwantedRaw('edit-captcha', 'Check absence of CAPTCHA on comment form.');

    // Preview a comment that is 'unsure' and make sure there is both a CAPTCHA form:
    $this->drupalPost('comment/reply/'. $node->nid, array('comment' => 'unsure'), t('Preview'));
    $this->assertWantedRaw('edit-session-id', 'Check presence of the Mollom session ID om comment form.');
    $this->assertWantedRaw('edit-captcha', 'Check presence of CAPTCHA on comment form.');

    // Post a comment that is 'unsure' and make sure there is both a CAPTCHA form:
    $this->drupalPost('comment/reply/'. $node->nid, array('comment' => 'unsure'), t('Save'));
    $this->assertWantedRaw('edit-session-id', 'Check presence of the Mollom session ID om comment form.');
    $this->assertWantedRaw('edit-captcha', 'Check presence of CAPTCHA on comment form.');

    // Retrieve the Mollom session ID:
    $session_id = $this->_browser->getFieldById('edit-session-id');
      // TODO: the session ID is not properly maintained from drupalPost() to drupalPost().

    // Preview a comment that is 'spam' and make sure there is no CAPTCHA form:
    $this->drupalPost('comment/reply/'. $node->nid, array('comment' => 'spam'), t('Preview'));
    $this->assertWantedRaw(t('Your submission has triggered the installed spam filter and will not be accepted.'), 'Check presence of blocked message.');
    $this->assertNoUnwantedRaw('edit-captcha', 'Check absence of CAPTCHA on comment form.');
      // $this->assertField('edit-session-id', $session_id, 'Check whether the session ID remained unchanged.');

    // Post a comment that is 'spam' and make sure there is no CAPTCHA form:
    $this->drupalPost('comment/reply/'. $node->nid, array('comment' => 'spam'), t('Save'));
    $this->assertWantedRaw(t('Your submission has triggered the installed spam filter and will not be accepted.'), 'Check presence of blocked message.');
    $this->assertNoUnwantedRaw('edit-captcha', 'Check absence of CAPTCHA on comment form.');
      // $this->assertField('edit-session-id', $session_id, 'Check whether the session ID remained unchanged.');

    // Preview a comment that is 'ham' and make sure there is no CAPTCHA form:
    $this->drupalPost('comment/reply/'. $node->nid, array('comment' => 'ham'), t('Preview'));
    $this->assertNoUnwantedRaw('edit-captcha', 'Check absence of CAPTCHA on comment form.');
      // $this->assertField('edit-session-id', $session_id, 'Check whether the session ID remained unchanged.');

    // Post a comment that is 'ham' and make sure there is no CAPTCHA form:
    $this->drupalPost('comment/reply/'. $node->nid, array('comment' => 'ham'), t('Save'));
    $this->assertNoUnwantedRaw('edit-captcha', 'Check absence of CAPTCHA on comment form.');

    // Only the last post operation should store a comment in the database:
    $this->assertWantedRaw('<p>ham</p>', 'Check whether the comment was posted.');

  }

  function testContactForm() {
    // TODO: difficult to test until we can hijack drupal_mail().
  }
}