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<?php
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// $Id: captcha.test,v 1.12 2009/05/26 21:55:25 soxofaan Exp $
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/**
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* @file
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* Tests for CAPTCHA module.
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*/
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// TODO: write test to check persistence
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// TODO: write test for CAPTCHAs on admin pages
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// TODO: test for default challenge type
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// TODO: test about placement (comment form, node forms, log in form, etc)
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// TODO: test if captcha_cron does it work right
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// TODO: test custom CAPTCHA validation stuff
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class CapchaTestCase extends DrupalWebTestCase {
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public static function getInfo() {
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return array(
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'name' => t('CAPTCHA functionality'),
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'description' => t('Testing of the basic CAPTCHA functionality.'),
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'group' => t('CAPTCHA'),
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);
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}
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function setUp() {
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// Load two modules: the captcha module itself and the comment module for testing anonymous comments.
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parent::setUp('captcha', 'comment');
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module_load_include('inc', 'captcha');
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// Create a normal user that can post comments and pages,
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// but can not skip CAPTCHA.
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$permissions = array(
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'access comments', 'post comments', 'post comments without approval',
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'access content', 'create page content', 'edit own page content',
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);
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$this->normal_user = $this->drupalCreateUser($permissions);
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}
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/**
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* Testing the protection of the user log in form.
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*/
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function testCaptchaOnLoginForm() {
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// Create user and test log in without CAPTCHA.
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$user = $this->drupalCreateUser();
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$this->drupalLogin($user);
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// Log out again.
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$this->drupalLogout();
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// Set a CAPTCHA on login form
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captcha_set_form_id_setting('user_login', 'captcha/Math');
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// Check if there is a CAPTCHA on the login form (look for the title).
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$this->drupalGet('user');
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$captcha = captcha_captcha('generate', 'Math');
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$this->assertText($captcha['form']['captcha_response']['#title'], 'CAPTCHA should be added to form (user_login).', 'CAPTCHA');
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// Try to log in, which should fail.
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$edit = array(
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'name' => $user->name,
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'pass' => $user->pass_raw,
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'captcha_response' => '?',
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);
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$this->drupalPost('user', $edit, t('Log in'));
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// Check for error message.
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$this->assertText(t('The answer you entered for the CAPTCHA was not correct.'),
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'CAPTCHA should block user login form', 'CAPTCHA');
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// And make sure that user is not logged in: check for name and password fields on ?q=user
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$this->drupalGet('user');
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$this->assertField('name', t('Username field found.'), 'CAPTCHA');
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$this->assertField('pass', t('Password field found.'), 'CAPTCHA');
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}
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/**
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* Assert function for testing if comment posting works as it should.
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*
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* Creates node with comment writing enabled, tries to post comment
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* with given CAPTCHA response (caller should enable the desired
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* challenge on comment_form) and checks if the result is as expected.
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*
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* @param $captcha_response the response on the CAPTCHA
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* @param $should_pass boolean describing if the posting should pass or should be blocked
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* @param $message message to prefix to nested asserts
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*/
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function assertCommentPosting($captcha_response, $should_pass, $message) {
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// Make sure comments on pages can be saved directely without preview.
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variable_set('comment_preview_page', COMMENT_PREVIEW_OPTIONAL);
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// Create a node with comments enabled.
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$node_settings = array(
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'type' => 'page',
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'comment' => COMMENT_NODE_READ_WRITE,
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);
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$node = $this->drupalCreateNode($node_settings);
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// Post comment on node.
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$edit = array(
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'subject' => $this->randomName(32, 'subject_'),
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'comment' => $this->randomName(256, 'comment_body'),
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'captcha_response' => $captcha_response,
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);
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$this->drupalPost('comment/reply/' . $node->nid, $edit, t('Save'));
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if ($should_pass) {
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// There should be no error message.
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$this->assertNoText(t('The answer you entered for the CAPTCHA was not correct.'),
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$message .' Comment submission should pass.', 'CAPTCHA');
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// Get node page and check that comment shows up.
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$this->drupalGet('node/' . $node->nid);
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$this->assertText($edit['comment'],
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$message .' Comment should show up on node page.', 'CAPTCHA');
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}
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else {
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// Check for error message.
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$this->assertText(t('The answer you entered for the CAPTCHA was not correct.'),
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$message .' Comment submission should be blocked.', 'CAPTCHA');
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// Get node page and check that comment is not present.
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$this->drupalGet('node/' . $node->nid);
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$this->assertNoText($edit['comment'],
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$message .' Comment should not show up on node page.', 'CAPTCHA');
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}
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}
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/*
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* Testing the case sensistive/insensitive validation.
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*/
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function testCaseInsensitiveValidation() {
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// Set Test CAPTCHA on comment form
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captcha_set_form_id_setting('comment_form', 'captcha/Test');
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// Log in as normal user.
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$this->drupalLogin($this->normal_user);
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// Test case sensitive posting.
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variable_set('captcha_default_validation', CAPTCHA_DEFAULT_VALIDATION_CASE_SENSITIVE);
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$this->assertCommentPosting('Test 123', TRUE, 'Case sensitive validation of right casing.');
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$this->assertCommentPosting('test 123', FALSE, 'Case sensitive validation of wrong casing.');
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$this->assertCommentPosting('TEST 123', FALSE, 'Case sensitive validation of wrong casing.');
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// Test case insensitive posting (the default)
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variable_set('captcha_default_validation', CAPTCHA_DEFAULT_VALIDATION_CASE_INSENSITIVE);
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$this->assertCommentPosting('Test 123', TRUE, 'Case insensitive validation of right casing.');
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$this->assertCommentPosting('test 123', TRUE, 'Case insensitive validation of wrong casing.');
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$this->assertCommentPosting('TEST 123', TRUE, 'Case insensitive validation of wrong casing.');
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}
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/**
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* Test if the CAPTCHA description is only shown if there are challenge widgets to show.
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* For example, when a comment is previewed with correct CAPTCHA answer,
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* a challenge is generated and added to the form but removed in the pre_render phase.
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* The CAPTCHA description should not show up either.
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*
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* \see testCaptchaSessionReuseOnNodeForms()
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*/
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function testCaptchaDescriptionAfterCommentPreview() {
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// Set Test CAPTCHA on comment form.
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captcha_set_form_id_setting('comment_form', 'captcha/Test');
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// Log in as normal user.
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$this->drupalLogin($this->normal_user);
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// Create a node with comments enabled.
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$node = $this->drupalCreateNode(array('comment' => COMMENT_NODE_READ_WRITE));
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// Preview comment with correct CAPTCHA answer.
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$edit = array(
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'subject' => $this->randomName(32, 'subject_'),
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'comment' => $this->randomName(256, 'comment_body'),
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'captcha_response' => 'Test 123',
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);
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$this->drupalPost('comment/reply/' . $node->nid, $edit, t('Preview'));
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// Check that there is no CAPTCHA after preview.
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$this->assertNoText(_captcha_get_description(),
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'CAPTCHA description should not show up after comment preview with correct response.', 'CAPTCHA');
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}
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/**
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* Test if the CAPTCHA session ID is reused when previewing nodes:
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* node preview after correct response should not show CAPTCHA anymore.
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* The preview functionality of comments and nodes works slightly different under the hood.
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* CAPTCHA module should be able to handle both.
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*
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* \see testCaptchaDescriptionAfterCommentPreview()
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*/
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function testCaptchaSessionReuseOnNodeForms() {
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// Set Test CAPTCHA on page form.
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captcha_set_form_id_setting('page_node_form', 'captcha/Test');
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// Log in as normal user.
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$this->drupalLogin($this->normal_user);
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// Page settings to post, with correct CAPTCHA answer.
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$edit = array(
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'title' => $this->randomName(8),
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'body' => $this->randomName(32),
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'captcha_response' => 'Test 123',
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);
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// Preview the node
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$this->drupalPost('node/add/page', $edit, t('Preview'));
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// Check that there is no CAPTCHA after preview.
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$this->assertNoText(_captcha_get_description(),
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'CAPTCHA description should not show up after node preview with correct response.', 'CAPTCHA');
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}
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}
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class CapchaAdminTestCase extends DrupalWebTestCase {
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public static function getInfo() {
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return array(
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'name' => t('CAPTCHA administration functionality'),
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'description' => t('Testing of the CAPTCHA administration interface and functionality.'),
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'group' => t('CAPTCHA'),
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);
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}
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function setUp() {
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// Load two modules: the captcha module itself and the comment module for testing anonymous comments.
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parent::setUp('captcha', 'comment');
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module_load_include('inc', 'captcha');
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// Create a normal user.
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$permissions = array(
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'access comments', 'post comments', 'post comments without approval',
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);
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$this->normal_user = $this->drupalCreateUser($permissions);
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// Create an admin user.
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$permissions[] = 'administer CAPTCHA settings';
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$permissions[] = 'skip CAPTCHA';
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$this->admin_user = $this->drupalCreateUser($permissions);
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}
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/**
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* Test access to the admin pages.
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*/
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function testAdminAccess() {
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$this->drupalLogin($this->normal_user);
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$this->drupalGet('admin/user/captcha');
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file_put_contents('tmp.simpletest.html', $this->drupalGetContent());
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$this->assertText(t('Access denied'), 'Normal users should not be able to access the CAPTCHA admin pages', 'CAPTCHA');
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$this->drupalLogin($this->admin_user);
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$this->drupalGet('admin/user/captcha');
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$this->assertNoText(t('Access denied'), 'Admin users should be able to access the CAPTCHA admin pages', 'CAPTCHA');
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}
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/**
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* Test the CAPTCHA point setting getter/setter.
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*/
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function testCaptchaPointSettingGetterAndSetter() {
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// Set to 'none'.
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captcha_set_form_id_setting('comment_form', 'none');
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$result = captcha_get_form_id_setting('comment_form');
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$this->assertNotNull($result, 'Setting and getting CAPTCHA point: none', 'CAPTCHA');
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$this->assertNull($result->module, 'Setting and getting CAPTCHA point: none', 'CAPTCHA');
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$this->assertNull($result->type, 'Setting and getting CAPTCHA point: none', 'CAPTCHA');
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$result = captcha_get_form_id_setting('comment_form', TRUE);
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$this->assertEqual($result, 'none', 'Setting and symbolic getting CAPTCHA point: "none"', 'CAPTCHA');
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// Set to 'default'
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captcha_set_form_id_setting('comment_form', 'default');
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variable_set('captcha_default_challenge', 'foo/bar');
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$result = captcha_get_form_id_setting('comment_form');
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$this->assertNotNull($result, 'Setting and getting CAPTCHA point: default', 'CAPTCHA');
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$this->assertEqual($result->module, 'foo', 'Setting and getting CAPTCHA point: default', 'CAPTCHA');
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$this->assertEqual($result->type, 'bar', 'Setting and getting CAPTCHA point: default', 'CAPTCHA');
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$result = captcha_get_form_id_setting('comment_form', TRUE);
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$this->assertEqual($result, 'default', 'Setting and symbolic getting CAPTCHA point: "default"', 'CAPTCHA');
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// Set to 'baz/boo'.
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captcha_set_form_id_setting('comment_form', 'baz/boo');
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$result = captcha_get_form_id_setting('comment_form');
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$this->assertNotNull($result, 'Setting and getting CAPTCHA point: baz/boo', 'CAPTCHA');
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$this->assertEqual($result->module, 'baz', 'Setting and getting CAPTCHA point: baz/boo', 'CAPTCHA');
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$this->assertEqual($result->type, 'boo', 'Setting and getting CAPTCHA point: baz/boo', 'CAPTCHA');
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$result = captcha_get_form_id_setting('comment_form', TRUE);
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$this->assertEqual($result, 'baz/boo', 'Setting and symbolic getting CAPTCHA point: "baz/boo"', 'CAPTCHA');
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// Set to NULL (which should delete the CAPTCHA point setting entry).
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captcha_set_form_id_setting('comment_form', NULL);
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$result = captcha_get_form_id_setting('comment_form');
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$this->assertNull($result, 'Setting and getting CAPTCHA point: NULL', 'CAPTCHA');
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$result = captcha_get_form_id_setting('comment_form', TRUE);
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$this->assertNull($result, 'Setting and symbolic getting CAPTCHA point: NULL', 'CAPTCHA');
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// Set with object.
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$captcha_type = new stdClass;
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$captcha_type->module = 'baba';
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$captcha_type->type = 'fofo';
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captcha_set_form_id_setting('comment_form', $captcha_type);
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$result = captcha_get_form_id_setting('comment_form');
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$this->assertNotNull($result, 'Setting and getting CAPTCHA point: baba/fofo', 'CAPTCHA');
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$this->assertEqual($result->module, 'baba', 'Setting and getting CAPTCHA point: baba/fofo', 'CAPTCHA');
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$this->assertEqual($result->type, 'fofo', 'Setting and getting CAPTCHA point: baba/fofo', 'CAPTCHA');
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$result = captcha_get_form_id_setting('comment_form', TRUE);
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$this->assertEqual($result, 'baba/fofo', 'Setting and symbolic getting CAPTCHA point: "baba/fofo"', 'CAPTCHA');
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}
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/**
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* Helper function for checking CAPTCHA setting of a form.
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*
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* @param $form_id the form_id of the form to investigate.
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* @param $challenge_type what the challenge type shoul be:
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* NULL, 'none', 'default' or something like 'captcha/Math'
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*/
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protected function assertCaptchaSetting($form_id, $challenge_type) {
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$result = captcha_get_form_id_setting('comment_form', TRUE);
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$this->assertEqual($result, $challenge_type, 'Check CAPTCHA setting for form.', 'CAPTCHA');
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}
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/**
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* Testing of the CAPTCHA administration links.
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*/
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function testCaptchAdminLinks() {
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// Log in as admin
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$this->drupalLogin($this->admin_user);
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// Enable CAPTCHA administration links.
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$edit = array(
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'captcha_administration_mode' => TRUE,
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);
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$this->drupalPost('admin/user/captcha', $edit, 'Save configuration');
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// Create a node with comments enabled.
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$node_settings = array(
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'type' => 'page',
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'comment' => COMMENT_NODE_READ_WRITE,
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);
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$node = $this->drupalCreateNode($node_settings);
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// Go to node page
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$this->drupalGet('node/' . $node->nid);
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// Click the add new comment link
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$this->clickLink(t('Add new comment'));
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$add_comment_url = $this->getUrl();
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////////////////////////////////////////////////////////////
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// Click the CAPTCHA admin link to enable a challenge.
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$this->clickLink(t('Place a CAPTCHA here for untrusted users.'));
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// Enable Math CAPTCHA.
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$edit = array('captcha_type' => 'captcha/Math');
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$this->drupalPost($this->getUrl(), $edit, t('Save'));
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// Check if returned to original comment form.
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$this->assertEqual($add_comment_url, $this->getUrl(),
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'After setting CAPTCHA with CAPTCHA admin links: should return to original form.', 'CAPTCHA');
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// Check if CAPTCHA was successfully enabled (on CAPTCHA admin links fieldset).
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$this->assertText(t('CAPTCHA: challenge "@type" enabled', array('@type' => 'Math')),
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'Enable a challenge through the CAPTCHA admin links', 'CAPTCHA');
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// Check if CAPTCHA was successfully enabled (through API).
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$this->assertCaptchaSetting('comment_form', 'captcha/Math');
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//////////////////////////////////////////////////////
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// Edit challenge type through CAPTCHA admin links.
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$this->clickLink(t('change'));
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// Enable Math CAPTCHA.
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$edit = array('captcha_type' => 'default');
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$this->drupalPost($this->getUrl(), $edit, t('Save'));
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// Check if returned to original comment form.
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$this->assertEqual($add_comment_url, $this->getUrl(),
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'After editing challenge type CAPTCHA admin links: should return to original form.', 'CAPTCHA');
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// Check if CAPTCHA was successfully changed (on CAPTCHA admin links fieldset).
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// This is actually the same as the previous setting because the captcha/Math is the
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// default for the default challenge. TODO Make sure the edit is a real change.
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$this->assertText(t('CAPTCHA: challenge "@type" enabled', array('@type' => 'Math')),
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'Enable a challenge through the CAPTCHA admin links', 'CAPTCHA');
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// Check if CAPTCHA was successfully edited (through API).
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$this->assertCaptchaSetting('comment_form', 'default');
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//////////////////////////////////////////////////////
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// Disable challenge through CAPTCHA admin links.
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$this->clickLink(t('disable'));
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// And confirm.
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$this->drupalPost($this->getUrl(), array(), 'Disable');
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// Check if returned to original comment form.
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$this->assertEqual($add_comment_url, $this->getUrl(),
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'After disablin challenge with CAPTCHA admin links: should return to original form.', 'CAPTCHA');
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// Check if CAPTCHA was successfully disabled (on CAPTCHA admin links fieldset).
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$this->assertText(t('CAPTCHA: no challenge enabled'),
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'Disable challenge through the CAPTCHA admin links', 'CAPTCHA');
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// Check if CAPTCHA was successfully disabled (through API).
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$this->assertCaptchaSetting('comment_form', 'none');
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}
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function testUntrustedUserPosting() {
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| 401 |
// Set CAPTCHA on comment form.
|
| 402 |
captcha_set_form_id_setting('comment_form', 'captcha/Math');
|
| 403 |
|
| 404 |
// Create a node with comments enabled.
|
| 405 |
$node_settings = array(
|
| 406 |
'type' => 'page',
|
| 407 |
'comment' => COMMENT_NODE_READ_WRITE,
|
| 408 |
);
|
| 409 |
$node = $this->drupalCreateNode($node_settings);
|
| 410 |
|
| 411 |
// Log in as normal (untrusted) user.
|
| 412 |
$this->drupalLogin($this->normal_user);
|
| 413 |
|
| 414 |
// Go to node page and click the "add comment" link.
|
| 415 |
$this->drupalGet('node/' . $node->nid);
|
| 416 |
$this->clickLink(t('Add new comment'));
|
| 417 |
$add_comment_url = $this->getUrl();
|
| 418 |
|
| 419 |
// Check if CAPTCHA is visible on form.
|
| 420 |
$this->assertText(t('Math question'),
|
| 421 |
'CAPTCHA should be on form for untrusted user.', 'CAPTCHA');
|
| 422 |
// Try to post a comment with wrong answer.
|
| 423 |
$edit = array(
|
| 424 |
'subject' => 'check thiz out!',
|
| 425 |
'comment' => 'cool site u have',
|
| 426 |
'captcha_response' => 'xx',
|
| 427 |
);
|
| 428 |
$this->drupalPost($add_comment_url, $edit, t('Preview'));
|
| 429 |
$this->assertText(t('The answer you entered for the CAPTCHA was not correct.'),
|
| 430 |
'wrong CAPTCHA should block form submission.', 'CAPTCHA');
|
| 431 |
|
| 432 |
//TODO: more testing for untrusted posts.
|
| 433 |
}
|
| 434 |
}
|
| 435 |
|
| 436 |
|
| 437 |
|
| 438 |
// Some tricks to debug:
|
| 439 |
// drupal_debug($data) // from devel module
|
| 440 |
// file_put_contents('tmp.simpletest.html', $this->drupalGetContent());
|
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