corpus_parole: comparison cms/drupal/modules/comment/comment.test

equal deleted inserted replaced

-:07239de796bb
+:e756a8c72c3d
+<?php
+/**
+* @file
+* Tests for comment.module.
+*/
+class CommentHelperCase extends DrupalWebTestCase {
+protected $admin_user;
+protected $web_user;
+protected $node;
+function setUp() {
+$modules = func_get_args();
+if (isset($modules[0]) && is_array($modules[0])) {
+$modules = $modules[0];
+}
+$modules[] = 'comment';
+parent::setUp($modules);
+// Create users and test node.
+$this->admin_user = $this->drupalCreateUser(array('administer content types', 'administer comments', 'administer blocks', 'administer actions', 'administer fields'));
+$this->web_user = $this->drupalCreateUser(array('access comments', 'post comments', 'create article content', 'edit own comments'));
+$this->node = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1, 'uid' => $this->web_user->uid));
+}
+/**
+* Post comment.
+*
+* @param $node
+*   Node to post comment on.
+* @param $comment
+*   Comment body.
+* @param $subject
+*   Comment subject.
+* @param $contact
+*   Set to NULL for no contact info, TRUE to ignore success checking, and
+*   array of values to set contact info.
+*/
+function postComment($node, $comment, $subject = '', $contact = NULL) {
+$langcode = LANGUAGE_NONE;
+$edit = array();
+$edit['comment_body[' . $langcode . '][0][value]'] = $comment;
+$preview_mode = variable_get('comment_preview_article', DRUPAL_OPTIONAL);
+$subject_mode = variable_get('comment_subject_field_article', 1);
+// Must get the page before we test for fields.
+if ($node !== NULL) {
+$this->drupalGet('comment/reply/' . $node->nid);
+}
+if ($subject_mode == TRUE) {
+$edit['subject'] = $subject;
+}
+else {
+$this->assertNoFieldByName('subject', '', 'Subject field not found.');
+}
+if ($contact !== NULL && is_array($contact)) {
+$edit += $contact;
+}
+switch ($preview_mode) {
+case DRUPAL_REQUIRED:
+// Preview required so no save button should be found.
+$this->assertNoFieldByName('op', t('Save'), 'Save button not found.');
+$this->drupalPost(NULL, $edit, t('Preview'));
+// Don't break here so that we can test post-preview field presence and
+// function below.
+case DRUPAL_OPTIONAL:
+$this->assertFieldByName('op', t('Preview'), 'Preview button found.');
+$this->assertFieldByName('op', t('Save'), 'Save button found.');
+$this->drupalPost(NULL, $edit, t('Save'));
+break;
+case DRUPAL_DISABLED:
+$this->assertNoFieldByName('op', t('Preview'), 'Preview button not found.');
+$this->assertFieldByName('op', t('Save'), 'Save button found.');
+$this->drupalPost(NULL, $edit, t('Save'));
+break;
+}
+$match = array();
+// Get comment ID
+preg_match('/#comment-([0-9]+)/', $this->getURL(), $match);
+// Get comment.
+if ($contact !== TRUE) { // If true then attempting to find error message.
+if ($subject) {
+$this->assertText($subject, 'Comment subject posted.');
+}
+$this->assertText($comment, 'Comment body posted.');
+$this->assertTrue((!empty($match) && !empty($match[1])), 'Comment id found.');
+}
+if (isset($match[1])) {
+return (object) array('id' => $match[1], 'subject' => $subject, 'comment' => $comment);
+}
+}
+/**
+* Checks current page for specified comment.
+*
+* @param object $comment Comment object.
+* @param boolean $reply The comment is a reply to another comment.
+* @return boolean Comment found.
+*/
+function commentExists($comment, $reply = FALSE) {
+if ($comment && is_object($comment)) {
+$regex = '/' . ($reply ? '<div class="indented">(.*?)' : '');
+$regex .= '<a id="comment-' . $comment->id . '"(.*?)'; // Comment anchor.
+$regex .= '<div(.*?)'; // Begin in comment div.
+$regex .= $comment->subject . '(.*?)'; // Match subject.
+$regex .= $comment->comment . '(.*?)'; // Match comment.
+$regex .= '/s';
+return (boolean)preg_match($regex, $this->drupalGetContent());
+}
+else {
+return FALSE;
+}
+}
+/**
+* Delete comment.
+*
+* @param object $comment
+*   Comment to delete.
+*/
+function deleteComment($comment) {
+$this->drupalPost('comment/' . $comment->id . '/delete', array(), t('Delete'));
+$this->assertText(t('The comment and all its replies have been deleted.'), 'Comment deleted.');
+}
+/**
+* Set comment subject setting.
+*
+* @param boolean $enabled
+*   Subject value.
+*/
+function setCommentSubject($enabled) {
+$this->setCommentSettings('comment_subject_field', ($enabled ? '1' : '0'), 'Comment subject ' . ($enabled ? 'enabled' : 'disabled') . '.');
+}
+/**
+* Set comment preview setting.
+*
+* @param int $mode
+*   Preview value.
+*/
+function setCommentPreview($mode) {
+switch ($mode) {
+case DRUPAL_DISABLED:
+$mode_text = 'disabled';
+break;
+case DRUPAL_OPTIONAL:
+$mode_text = 'optional';
+break;
+case DRUPAL_REQUIRED:
+$mode_text = 'required';
+break;
+}
+$this->setCommentSettings('comment_preview', $mode, format_string('Comment preview @mode_text.', array('@mode_text' => $mode_text)));
+}
+/**
+* Set comment form location setting.
+*
+* @param boolean $enabled
+*   Form value.
+*/
+function setCommentForm($enabled) {
+$this->setCommentSettings('comment_form_location', ($enabled ? COMMENT_FORM_BELOW : COMMENT_FORM_SEPARATE_PAGE), 'Comment controls ' . ($enabled ? 'enabled' : 'disabled') . '.');
+}
+/**
+* Set comment anonymous level setting.
+*
+* @param integer $level
+*   Anonymous level.
+*/
+function setCommentAnonymous($level) {
+$this->setCommentSettings('comment_anonymous', $level, format_string('Anonymous commenting set to level @level.', array('@level' => $level)));
+}
+/**
+* Set the default number of comments per page.
+*
+* @param integer $comments
+*   Comments per page value.
+*/
+function setCommentsPerPage($number) {
+$this->setCommentSettings('comment_default_per_page', $number, format_string('Number of comments per page set to @number.', array('@number' => $number)));
+}
+/**
+* Set comment setting for article content type.
+*
+* @param string $name
+*   Name of variable.
+* @param string $value
+*   Value of variable.
+* @param string $message
+*   Status message to display.
+*/
+function setCommentSettings($name, $value, $message) {
+variable_set($name . '_article', $value);
+// Display status message.
+$this->pass($message);
+}
+/**
+* Check for contact info.
+*
+* @return boolean Contact info is available.
+*/
+function commentContactInfoAvailable() {
+return preg_match('/(input).*?(name="name").*?(input).*?(name="mail").*?(input).*?(name="homepage")/s', $this->drupalGetContent());
+}
+/**
+* Perform the specified operation on the specified comment.
+*
+* @param object $comment
+*   Comment to perform operation on.
+* @param string $operation
+*   Operation to perform.
+* @param boolean $aproval
+*   Operation is found on approval page.
+*/
+function performCommentOperation($comment, $operation, $approval = FALSE) {
+$edit = array();
+$edit['operation'] = $operation;
+$edit['comments[' . $comment->id . ']'] = TRUE;
+$this->drupalPost('admin/content/comment' . ($approval ? '/approval' : ''), $edit, t('Update'));
+if ($operation == 'delete') {
+$this->drupalPost(NULL, array(), t('Delete comments'));
+$this->assertRaw(format_plural(1, 'Deleted 1 comment.', 'Deleted @count comments.'), format_string('Operation @operation was performed on comment.', array('@operation' => $operation)));
+}
+else {
+$this->assertText(t('The update has been performed.'), format_string('Operation @operation was performed on comment.', array('@operation' => $operation)));
+}
+}
+/**
+* Get the comment ID for an unapproved comment.
+*
+* @param string $subject
+*   Comment subject to find.
+* @return integer
+*   Comment id.
+*/
+function getUnapprovedComment($subject) {
+$this->drupalGet('admin/content/comment/approval');
+preg_match('/href="(.*?)#comment-([^"]+)"(.*?)>(' . $subject . ')/', $this->drupalGetContent(), $match);
+return $match[2];
+}
+}
+class CommentInterfaceTest extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Comment interface',
+'description' => 'Test comment user interfaces.',
+'group' => 'Comment',
+);
+}
+/**
+* Test comment interface.
+*/
+function testCommentInterface() {
+$langcode = LANGUAGE_NONE;
+// Set comments to have subject and preview disabled.
+$this->drupalLogin($this->admin_user);
+$this->setCommentPreview(DRUPAL_DISABLED);
+$this->setCommentForm(TRUE);
+$this->setCommentSubject(FALSE);
+$this->setCommentSettings('comment_default_mode', COMMENT_MODE_THREADED, 'Comment paging changed.');
+$this->drupalLogout();
+// Post comment #1 without subject or preview.
+$this->drupalLogin($this->web_user);
+$comment_text = $this->randomName();
+$comment = $this->postComment($this->node, $comment_text);
+$comment_loaded = comment_load($comment->id);
+$this->assertTrue($this->commentExists($comment), 'Comment found.');
+// Set comments to have subject and preview to required.
+$this->drupalLogout();
+$this->drupalLogin($this->admin_user);
+$this->setCommentSubject(TRUE);
+$this->setCommentPreview(DRUPAL_REQUIRED);
+$this->drupalLogout();
+// Create comment #2 that allows subject and requires preview.
+$this->drupalLogin($this->web_user);
+$subject_text = $this->randomName();
+$comment_text = $this->randomName();
+$comment = $this->postComment($this->node, $comment_text, $subject_text, TRUE);
+$comment_loaded = comment_load($comment->id);
+$this->assertTrue($this->commentExists($comment), 'Comment found.');
+// Check comment display.
+$this->drupalGet('node/' . $this->node->nid . '/' . $comment->id);
+$this->assertText($subject_text, 'Individual comment subject found.');
+$this->assertText($comment_text, 'Individual comment body found.');
+// Set comments to have subject and preview to optional.
+$this->drupalLogout();
+$this->drupalLogin($this->admin_user);
+$this->setCommentSubject(TRUE);
+$this->setCommentPreview(DRUPAL_OPTIONAL);
+// Test changing the comment author to "Anonymous".
+$this->drupalGet('comment/' . $comment->id . '/edit');
+$comment = $this->postComment(NULL, $comment->comment, $comment->subject, array('name' => ''));
+$comment_loaded = comment_load($comment->id);
+$this->assertTrue(empty($comment_loaded->name) && $comment_loaded->uid == 0, 'Comment author successfully changed to anonymous.');
+// Test changing the comment author to an unverified user.
+$random_name = $this->randomName();
+$this->drupalGet('comment/' . $comment->id . '/edit');
+$comment = $this->postComment(NULL, $comment->comment, $comment->subject, array('name' => $random_name));
+$this->drupalGet('node/' . $this->node->nid);
+$this->assertText($random_name . ' (' . t('not verified') . ')', 'Comment author successfully changed to an unverified user.');
+// Test changing the comment author to a verified user.
+$this->drupalGet('comment/' . $comment->id . '/edit');
+$comment = $this->postComment(NULL, $comment->comment, $comment->subject, array('name' => $this->web_user->name));
+$comment_loaded = comment_load($comment->id);
+$this->assertTrue($comment_loaded->name == $this->web_user->name && $comment_loaded->uid == $this->web_user->uid, 'Comment author successfully changed to a registered user.');
+$this->drupalLogout();
+// Reply to comment #2 creating comment #3 with optional preview and no
+// subject though field enabled.
+$this->drupalLogin($this->web_user);
+$this->drupalGet('comment/reply/' . $this->node->nid . '/' . $comment->id);
+$this->assertText($subject_text, 'Individual comment-reply subject found.');
+$this->assertText($comment_text, 'Individual comment-reply body found.');
+$reply = $this->postComment(NULL, $this->randomName(), '', TRUE);
+$reply_loaded = comment_load($reply->id);
+$this->assertTrue($this->commentExists($reply, TRUE), 'Reply found.');
+$this->assertEqual($comment->id, $reply_loaded->pid, 'Pid of a reply to a comment is set correctly.');
+$this->assertEqual(rtrim($comment_loaded->thread, '/') . '.00/', $reply_loaded->thread, 'Thread of reply grows correctly.');
+// Second reply to comment #3 creating comment #4.
+$this->drupalGet('comment/reply/' . $this->node->nid . '/' . $comment->id);
+$this->assertText($subject_text, 'Individual comment-reply subject found.');
+$this->assertText($comment_text, 'Individual comment-reply body found.');
+$reply = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+$reply_loaded = comment_load($reply->id);
+$this->assertTrue($this->commentExists($reply, TRUE), 'Second reply found.');
+$this->assertEqual(rtrim($comment_loaded->thread, '/') . '.01/', $reply_loaded->thread, 'Thread of second reply grows correctly.');
+// Edit reply.
+$this->drupalGet('comment/' . $reply->id . '/edit');
+$reply = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+$this->assertTrue($this->commentExists($reply, TRUE), 'Modified reply found.');
+// Correct link count
+$this->drupalGet('node');
+$this->assertRaw('4 comments', 'Link to the 4 comments exist.');
+// Confirm a new comment is posted to the correct page.
+$this->setCommentsPerPage(2);
+$comment_new_page = $this->postComment($this->node, $this->randomName(), $this->randomName(), TRUE);
+$this->assertTrue($this->commentExists($comment_new_page), 'Page one exists. %s');
+$this->drupalGet('node/' . $this->node->nid, array('query' => array('page' => 1)));
+$this->assertTrue($this->commentExists($reply, TRUE), 'Page two exists. %s');
+$this->setCommentsPerPage(50);
+// Attempt to post to node with comments disabled.
+$this->node = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1, 'comment' => COMMENT_NODE_HIDDEN));
+$this->assertTrue($this->node, 'Article node created.');
+$this->drupalGet('comment/reply/' . $this->node->nid);
+$this->assertText('This discussion is closed', 'Posting to node with comments disabled');
+$this->assertNoField('edit-comment', 'Comment body field found.');
+// Attempt to post to node with read-only comments.
+$this->node = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1, 'comment' => COMMENT_NODE_CLOSED));
+$this->assertTrue($this->node, 'Article node created.');
+$this->drupalGet('comment/reply/' . $this->node->nid);
+$this->assertText('This discussion is closed', 'Posting to node with comments read-only');
+$this->assertNoField('edit-comment', 'Comment body field found.');
+// Attempt to post to node with comments enabled (check field names etc).
+$this->node = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1, 'comment' => COMMENT_NODE_OPEN));
+$this->assertTrue($this->node, 'Article node created.');
+$this->drupalGet('comment/reply/' . $this->node->nid);
+$this->assertNoText('This discussion is closed', 'Posting to node with comments enabled');
+$this->assertField('edit-comment-body-' . $langcode . '-0-value', 'Comment body field found.');
+// Delete comment and make sure that reply is also removed.
+$this->drupalLogout();
+$this->drupalLogin($this->admin_user);
+$this->deleteComment($comment);
+$this->deleteComment($comment_new_page);
+$this->drupalGet('node/' . $this->node->nid);
+$this->assertFalse($this->commentExists($comment), 'Comment not found.');
+$this->assertFalse($this->commentExists($reply, TRUE), 'Reply not found.');
+// Enabled comment form on node page.
+$this->drupalLogin($this->admin_user);
+$this->setCommentForm(TRUE);
+$this->drupalLogout();
+// Submit comment through node form.
+$this->drupalLogin($this->web_user);
+$this->drupalGet('node/' . $this->node->nid);
+$form_comment = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+$this->assertTrue($this->commentExists($form_comment), 'Form comment found.');
+// Disable comment form on node page.
+$this->drupalLogout();
+$this->drupalLogin($this->admin_user);
+$this->setCommentForm(FALSE);
+}
+/**
+* Tests new comment marker.
+*/
+public function testCommentNewCommentsIndicator() {
+// Test if the right links are displayed when no comment is present for the
+// node.
+$this->drupalLogin($this->admin_user);
+$this->node = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1, 'comment' => COMMENT_NODE_OPEN));
+$this->drupalGet('node');
+$this->assertNoLink(t('@count comments', array('@count' => 0)));
+$this->assertNoLink(t('@count new comments', array('@count' => 0)));
+$this->assertLink(t('Read more'));
+$count = $this->xpath('//div[@id=:id]/div[@class=:class]/ul/li', array(':id' => 'node-' . $this->node->nid, ':class' => 'link-wrapper'));
+$this->assertTrue(count($count) == 1, 'One child found');
+// Create a new comment. This helper function may be run with different
+// comment settings so use comment_save() to avoid complex setup.
+$comment = (object) array(
+'cid' => NULL,
+'nid' => $this->node->nid,
+'node_type' => $this->node->type,
+'pid' => 0,
+'uid' => $this->loggedInUser->uid,
+'status' => COMMENT_PUBLISHED,
+'subject' => $this->randomName(),
+'hostname' => ip_address(),
+'language' => LANGUAGE_NONE,
+'comment_body' => array(LANGUAGE_NONE => array($this->randomName())),
+);
+comment_save($comment);
+$this->drupalLogout();
+// Log in with 'web user' and check comment links.
+$this->drupalLogin($this->web_user);
+$this->drupalGet('node');
+$this->assertLink(t('1 new comment'));
+$this->clickLink(t('1 new comment'));
+$this->assertRaw('<a id="new"></a>', 'Found "new" marker.');
+$this->assertTrue($this->xpath('//a[@id=:new]/following-sibling::a[1][@id=:comment_id]', array(':new' => 'new', ':comment_id' => 'comment-1')), 'The "new" anchor is positioned at the right comment.');
+// Test if "new comment" link is correctly removed.
+$this->drupalGet('node');
+$this->assertLink(t('1 comment'));
+$this->assertLink(t('Read more'));
+$this->assertNoLink(t('1 new comment'));
+$this->assertNoLink(t('@count new comments', array('@count' => 0)));
+$count = $this->xpath('//div[@id=:id]/div[@class=:class]/ul/li', array(':id' => 'node-' . $this->node->nid, ':class' => 'link-wrapper'));
+$this->assertTrue(count($count) == 2, print_r($count, TRUE));
+}
+/**
+* Tests CSS classes on comments.
+*/
+function testCommentClasses() {
+// Create all permutations for comments, users, and nodes.
+$parameters = array(
+'node_uid' => array(0, $this->web_user->uid),
+'comment_uid' => array(0, $this->web_user->uid, $this->admin_user->uid),
+'comment_status' => array(COMMENT_PUBLISHED, COMMENT_NOT_PUBLISHED),
+'user' => array('anonymous', 'authenticated', 'admin'),
+);
+$permutations = $this->generatePermutations($parameters);
+foreach ($permutations as $case) {
+// Create a new node.
+$node = $this->drupalCreateNode(array('type' => 'article', 'uid' => $case['node_uid']));
+// Add a comment.
+$comment = (object) array(
+'cid' => NULL,
+'nid' => $node->nid,
+'pid' => 0,
+'uid' => $case['comment_uid'],
+'status' => $case['comment_status'],
+'subject' => $this->randomName(),
+'language' => LANGUAGE_NONE,
+'comment_body' => array(LANGUAGE_NONE => array($this->randomName())),
+);
+comment_save($comment);
+// Adjust the current/viewing user.
+switch ($case['user']) {
+case 'anonymous':
+$this->drupalLogout();
+$case['user_uid'] = 0;
+break;
+case 'authenticated':
+$this->drupalLogin($this->web_user);
+$case['user_uid'] = $this->web_user->uid;
+break;
+case 'admin':
+$this->drupalLogin($this->admin_user);
+$case['user_uid'] = $this->admin_user->uid;
+break;
+}
+// Request the node with the comment.
+$this->drupalGet('node/' . $node->nid);
+// Verify classes if the comment is visible for the current user.
+if ($case['comment_status'] == COMMENT_PUBLISHED || $case['user'] == 'admin') {
+// Verify the comment-by-anonymous class.
+$comments = $this->xpath('//*[contains(@class, "comment-by-anonymous")]');
+if ($case['comment_uid'] == 0) {
+$this->assertTrue(count($comments) == 1, 'comment-by-anonymous class found.');
+}
+else {
+$this->assertFalse(count($comments), 'comment-by-anonymous class not found.');
+}
+// Verify the comment-by-node-author class.
+$comments = $this->xpath('//*[contains(@class, "comment-by-node-author")]');
+if ($case['comment_uid'] > 0 && $case['comment_uid'] == $case['node_uid']) {
+$this->assertTrue(count($comments) == 1, 'comment-by-node-author class found.');
+}
+else {
+$this->assertFalse(count($comments), 'comment-by-node-author class not found.');
+}
+// Verify the comment-by-viewer class.
+$comments = $this->xpath('//*[contains(@class, "comment-by-viewer")]');
+if ($case['comment_uid'] > 0 && $case['comment_uid'] == $case['user_uid']) {
+$this->assertTrue(count($comments) == 1, 'comment-by-viewer class found.');
+}
+else {
+$this->assertFalse(count($comments), 'comment-by-viewer class not found.');
+}
+}
+// Verify the comment-unpublished class.
+$comments = $this->xpath('//*[contains(@class, "comment-unpublished")]');
+if ($case['comment_status'] == COMMENT_NOT_PUBLISHED && $case['user'] == 'admin') {
+$this->assertTrue(count($comments) == 1, 'comment-unpublished class found.');
+}
+else {
+$this->assertFalse(count($comments), 'comment-unpublished class not found.');
+}
+// Verify the comment-new class.
+if ($case['comment_status'] == COMMENT_PUBLISHED || $case['user'] == 'admin') {
+$comments = $this->xpath('//*[contains(@class, "comment-new")]');
+if ($case['user'] != 'anonymous') {
+$this->assertTrue(count($comments) == 1, 'comment-new class found.');
+// Request the node again. The comment-new class should disappear.
+$this->drupalGet('node/' . $node->nid);
+$comments = $this->xpath('//*[contains(@class, "comment-new")]');
+$this->assertFalse(count($comments), 'comment-new class not found.');
+}
+else {
+$this->assertFalse(count($comments), 'comment-new class not found.');
+}
+}
+}
+}
+/**
+* Tests the node comment statistics.
+*/
+function testCommentNodeCommentStatistics() {
+$langcode = LANGUAGE_NONE;
+// Set comments to have subject and preview disabled.
+$this->drupalLogin($this->admin_user);
+$this->setCommentPreview(DRUPAL_DISABLED);
+$this->setCommentForm(TRUE);
+$this->setCommentSubject(FALSE);
+$this->setCommentSettings('comment_default_mode', COMMENT_MODE_THREADED, 'Comment paging changed.');
+$this->drupalLogout();
+// Creates a second user to post comments.
+$this->web_user2 = $this->drupalCreateUser(array('access comments', 'post comments', 'create article content', 'edit own comments'));
+// Checks the initial values of node comment statistics with no comment.
+$node = node_load($this->node->nid);
+$this->assertEqual($node->last_comment_timestamp, $this->node->created, 'The initial value of node last_comment_timestamp is the node created date.');
+$this->assertEqual($node->last_comment_name, NULL, 'The initial value of node last_comment_name is NULL.');
+$this->assertEqual($node->last_comment_uid, $this->web_user->uid, 'The initial value of node last_comment_uid is the node uid.');
+$this->assertEqual($node->comment_count, 0, 'The initial value of node comment_count is zero.');
+// Post comment #1 as web_user2.
+$this->drupalLogin($this->web_user2);
+$comment_text = $this->randomName();
+$comment = $this->postComment($this->node, $comment_text);
+$comment_loaded = comment_load($comment->id);
+// Checks the new values of node comment statistics with comment #1.
+// The node needs to be reloaded with a node_load_multiple cache reset.
+$node = node_load($this->node->nid, NULL, TRUE);
+$this->assertEqual($node->last_comment_name, NULL, 'The value of node last_comment_name is NULL.');
+$this->assertEqual($node->last_comment_uid, $this->web_user2->uid, 'The value of node last_comment_uid is the comment #1 uid.');
+$this->assertEqual($node->comment_count, 1, 'The value of node comment_count is 1.');
+// Prepare for anonymous comment submission (comment approval enabled).
+variable_set('user_register', USER_REGISTER_VISITORS);
+$this->drupalLogin($this->admin_user);
+user_role_change_permissions(DRUPAL_ANONYMOUS_RID, array(
+'access comments' => TRUE,
+'post comments' => TRUE,
+'skip comment approval' => FALSE,
+));
+// Ensure that the poster can leave some contact info.
+$this->setCommentAnonymous('1');
+$this->drupalLogout();
+// Post comment #2 as anonymous (comment approval enabled).
+$this->drupalGet('comment/reply/' . $this->node->nid);
+$anonymous_comment = $this->postComment($this->node, $this->randomName(), '', TRUE);
+$comment_unpublished_loaded = comment_load($anonymous_comment->id);
+// Checks the new values of node comment statistics with comment #2 and
+// ensure they haven't changed since the comment has not been moderated.
+// The node needs to be reloaded with a node_load_multiple cache reset.
+$node = node_load($this->node->nid, NULL, TRUE);
+$this->assertEqual($node->last_comment_name, NULL, 'The value of node last_comment_name is still NULL.');
+$this->assertEqual($node->last_comment_uid, $this->web_user2->uid, 'The value of node last_comment_uid is still the comment #1 uid.');
+$this->assertEqual($node->comment_count, 1, 'The value of node comment_count is still 1.');
+// Prepare for anonymous comment submission (no approval required).
+$this->drupalLogin($this->admin_user);
+user_role_change_permissions(DRUPAL_ANONYMOUS_RID, array(
+'access comments' => TRUE,
+'post comments' => TRUE,
+'skip comment approval' => TRUE,
+));
+$this->drupalLogout();
+// Post comment #3 as anonymous.
+$this->drupalGet('comment/reply/' . $this->node->nid);
+$anonymous_comment = $this->postComment($this->node, $this->randomName(), '', array('name' => $this->randomName()));
+$comment_loaded = comment_load($anonymous_comment->id);
+// Checks the new values of node comment statistics with comment #3.
+// The node needs to be reloaded with a node_load_multiple cache reset.
+$node = node_load($this->node->nid, NULL, TRUE);
+$this->assertEqual($node->last_comment_name, $comment_loaded->name, 'The value of node last_comment_name is the name of the anonymous user.');
+$this->assertEqual($node->last_comment_uid, 0, 'The value of node last_comment_uid is zero.');
+$this->assertEqual($node->comment_count, 2, 'The value of node comment_count is 2.');
+}
+/**
+* Tests comment links.
+*
+* The output of comment links depends on various environment conditions:
+* - Various Comment module configuration settings, user registration
+*   settings, and user access permissions.
+* - Whether the user is authenticated or not, and whether any comments exist.
+*
+* To account for all possible cases, this test creates permutations of all
+* possible conditions and tests the expected appearance of comment links in
+* each environment.
+*/
+function testCommentLinks() {
+// Bartik theme alters comment links, so use a different theme.
+theme_enable(array('garland'));
+variable_set('theme_default', 'garland');
+// Remove additional user permissions from $this->web_user added by setUp(),
+// since this test is limited to anonymous and authenticated roles only.
+user_role_delete(key($this->web_user->roles));
+// Matrix of possible environmental conditions and configuration settings.
+// See setEnvironment() for details.
+$conditions = array(
+'authenticated'   => array(FALSE, TRUE),
+'comment count'   => array(FALSE, TRUE),
+'access comments' => array(0, 1),
+'post comments'   => array(0, 1),
+'form'            => array(COMMENT_FORM_BELOW, COMMENT_FORM_SEPARATE_PAGE),
+// USER_REGISTER_VISITORS_ADMINISTRATIVE_APPROVAL is irrelevant for this
+// test; there is only a difference between open and closed registration.
+'user_register'   => array(USER_REGISTER_VISITORS, USER_REGISTER_ADMINISTRATORS_ONLY),
+// @todo Complete test coverage for:
+//'comments'        => array(COMMENT_NODE_OPEN, COMMENT_NODE_CLOSED, COMMENT_NODE_HIDDEN),
+//// COMMENT_ANONYMOUS_MUST_CONTACT is irrelevant for this test.
+//'contact '        => array(COMMENT_ANONYMOUS_MAY_CONTACT, COMMENT_ANONYMOUS_MAYNOT_CONTACT),
+);
+$environments = $this->generatePermutations($conditions);
+foreach ($environments as $info) {
+$this->assertCommentLinks($info);
+}
+}
+/**
+* Re-configures the environment, module settings, and user permissions.
+*
+* @param $info
+*   An associative array describing the environment to setup:
+*   - Environment conditions:
+*     - authenticated: Boolean whether to test with $this->web_user or
+*       anonymous.
+*     - comment count: Boolean whether to test with a new/unread comment on
+*       $this->node or no comments.
+*   - Configuration settings:
+*     - form: COMMENT_FORM_BELOW or COMMENT_FORM_SEPARATE_PAGE.
+*     - user_register: USER_REGISTER_ADMINISTRATORS_ONLY or
+*       USER_REGISTER_VISITORS.
+*     - contact: COMMENT_ANONYMOUS_MAY_CONTACT or
+*       COMMENT_ANONYMOUS_MAYNOT_CONTACT.
+*     - comments: COMMENT_NODE_OPEN, COMMENT_NODE_CLOSED, or
+*       COMMENT_NODE_HIDDEN.
+*   - User permissions:
+*     These are granted or revoked for the user, according to the
+*     'authenticated' flag above. Pass 0 or 1 as parameter values. See
+*     user_role_change_permissions().
+*     - access comments
+*     - post comments
+*     - skip comment approval
+*     - edit own comments
+*/
+function setEnvironment(array $info) {
+static $current;
+// Apply defaults to initial environment.
+if (!isset($current)) {
+$current = array(
+'authenticated' => FALSE,
+'comment count' => FALSE,
+'form' => COMMENT_FORM_BELOW,
+'user_register' => USER_REGISTER_VISITORS,
+'contact' => COMMENT_ANONYMOUS_MAY_CONTACT,
+'comments' => COMMENT_NODE_OPEN,
+'access comments' => 0,
+'post comments' => 0,
+// Enabled by default, because it's irrelevant for this test.
+'skip comment approval' => 1,
+'edit own comments' => 0,
+);
+}
+// Complete new environment with current environment.
+$info = array_merge($current, $info);
+// Change environment conditions.
+if ($current['authenticated'] != $info['authenticated']) {
+if ($this->loggedInUser) {
+$this->drupalLogout();
+}
+else {
+$this->drupalLogin($this->web_user);
+}
+}
+if ($current['comment count'] != $info['comment count']) {
+if ($info['comment count']) {
+// Create a comment via CRUD API functionality, since
+// $this->postComment() relies on actual user permissions.
+$comment = (object) array(
+'cid' => NULL,
+'nid' => $this->node->nid,
+'node_type' => $this->node->type,
+'pid' => 0,
+'uid' => 0,
+'status' => COMMENT_PUBLISHED,
+'subject' => $this->randomName(),
+'hostname' => ip_address(),
+'language' => LANGUAGE_NONE,
+'comment_body' => array(LANGUAGE_NONE => array($this->randomName())),
+);
+comment_save($comment);
+$this->comment = $comment;
+// comment_num_new() relies on node_last_viewed(), so ensure that no one
+// has seen the node of this comment.
+db_delete('history')->condition('nid', $this->node->nid)->execute();
+}
+else {
+$cids = db_query("SELECT cid FROM {comment}")->fetchCol();
+comment_delete_multiple($cids);
+unset($this->comment);
+}
+}
+// Change comment settings.
+variable_set('comment_form_location_' . $this->node->type, $info['form']);
+variable_set('comment_anonymous_' . $this->node->type, $info['contact']);
+if ($this->node->comment != $info['comments']) {
+$this->node->comment = $info['comments'];
+node_save($this->node);
+}
+// Change user settings.
+variable_set('user_register', $info['user_register']);
+// Change user permissions.
+$rid = ($this->loggedInUser ? DRUPAL_AUTHENTICATED_RID : DRUPAL_ANONYMOUS_RID);
+$perms = array_intersect_key($info, array('access comments' => 1, 'post comments' => 1, 'skip comment approval' => 1, 'edit own comments' => 1));
+user_role_change_permissions($rid, $perms);
+// Output verbose debugging information.
+// @see DrupalTestCase::error()
+$t_form = array(
+COMMENT_FORM_BELOW => 'below',
+COMMENT_FORM_SEPARATE_PAGE => 'separate page',
+);
+$t_contact = array(
+COMMENT_ANONYMOUS_MAY_CONTACT => 'optional',
+COMMENT_ANONYMOUS_MAYNOT_CONTACT => 'disabled',
+COMMENT_ANONYMOUS_MUST_CONTACT => 'required',
+);
+$t_comments = array(
+COMMENT_NODE_OPEN => 'open',
+COMMENT_NODE_CLOSED => 'closed',
+COMMENT_NODE_HIDDEN => 'hidden',
+);
+$verbose = $info;
+$verbose['form'] = $t_form[$info['form']];
+$verbose['contact'] = $t_contact[$info['contact']];
+$verbose['comments'] = $t_comments[$info['comments']];
+$message = t('Changed environment:<pre>@verbose</pre>', array(
+'@verbose' => var_export($verbose, TRUE),
+));
+$this->assert('debug', $message, 'Debug');
+// Update current environment.
+$current = $info;
+return $info;
+}
+/**
+* Asserts that comment links appear according to the passed environment setup.
+*
+* @param $info
+*   An associative array describing the environment to pass to
+*   setEnvironment().
+*/
+function assertCommentLinks(array $info) {
+$info = $this->setEnvironment($info);
+$nid = $this->node->nid;
+foreach (array('', "node/$nid") as $path) {
+$this->drupalGet($path);
+// User is allowed to view comments.
+if ($info['access comments']) {
+if ($path == '') {
+// In teaser view, a link containing the comment count is always
+// expected.
+if ($info['comment count']) {
+$this->assertLink(t('1 comment'));
+// For logged in users, a link containing the amount of new/unread
+// comments is expected.
+// See important note about comment_num_new() below.
+if ($this->loggedInUser && isset($this->comment) && !isset($this->comment->seen)) {
+$this->assertLink(t('1 new comment'));
+$this->comment->seen = TRUE;
+}
+}
+}
+}
+else {
+$this->assertNoLink(t('1 comment'));
+$this->assertNoLink(t('1 new comment'));
+}
+// comment_num_new() is based on node views, so comments are marked as
+// read when a node is viewed, regardless of whether we have access to
+// comments.
+if ($path == "node/$nid" && $this->loggedInUser && isset($this->comment)) {
+$this->comment->seen = TRUE;
+}
+// User is not allowed to post comments.
+if (!$info['post comments']) {
+$this->assertNoLink('Add new comment');
+// Anonymous users should see a note to log in or register in case
+// authenticated users are allowed to post comments.
+// @see theme_comment_post_forbidden()
+if (!$this->loggedInUser) {
+if (user_access('post comments', $this->web_user)) {
+// The note depends on whether users are actually able to register.
+if ($info['user_register']) {
+$this->assertText('Log in or register to post comments');
+}
+else {
+$this->assertText('Log in to post comments');
+}
+}
+else {
+$this->assertNoText('Log in or register to post comments');
+$this->assertNoText('Log in to post comments');
+}
+}
+}
+// User is allowed to post comments.
+else {
+$this->assertNoText('Log in or register to post comments');
+// "Add new comment" is always expected, except when there are no
+// comments or if the user cannot see them.
+if ($path == "node/$nid" && $info['form'] == COMMENT_FORM_BELOW && (!$info['comment count'] || !$info['access comments'])) {
+$this->assertNoLink('Add new comment');
+}
+else {
+$this->assertLink('Add new comment');
+}
+// Also verify that the comment form appears according to the configured
+// location.
+if ($path == "node/$nid") {
+$elements = $this->xpath('//form[@id=:id]', array(':id' => 'comment-form'));
+if ($info['form'] == COMMENT_FORM_BELOW) {
+$this->assertTrue(count($elements), 'Comment form found below.');
+}
+else {
+$this->assertFalse(count($elements), 'Comment form not found below.');
+}
+}
+}
+}
+}
+}
+/**
+* Test previewing comments.
+*/
+class CommentPreviewTest extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Comment preview',
+'description' => 'Test comment preview.',
+'group' => 'Comment',
+);
+}
+/**
+* Test comment preview.
+*/
+function testCommentPreview() {
+$langcode = LANGUAGE_NONE;
+// As admin user, configure comment settings.
+$this->drupalLogin($this->admin_user);
+$this->setCommentPreview(DRUPAL_OPTIONAL);
+$this->setCommentForm(TRUE);
+$this->setCommentSubject(TRUE);
+$this->setCommentSettings('comment_default_mode', COMMENT_MODE_THREADED, 'Comment paging changed.');
+$this->drupalLogout();
+// Login as web user and add a signature and a user picture.
+$this->drupalLogin($this->web_user);
+variable_set('user_signatures', 1);
+variable_set('user_pictures', 1);
+$test_signature = $this->randomName();
+$edit['signature[value]'] = '<a href="http://example.com/">' . $test_signature. '</a>';
+$edit['signature[format]'] = 'filtered_html';
+$image = current($this->drupalGetTestFiles('image'));
+$edit['files[picture_upload]'] = drupal_realpath($image->uri);
+$this->drupalPost('user/' . $this->web_user->uid . '/edit', $edit, t('Save'));
+// As the web user, fill in the comment form and preview the comment.
+$edit = array();
+$edit['subject'] = $this->randomName(8);
+$edit['comment_body[' . $langcode . '][0][value]'] = $this->randomName(16);
+$this->drupalPost('node/' . $this->node->nid, $edit, t('Preview'));
+// Check that the preview is displaying the title and body.
+$this->assertTitle(t('Preview comment | Drupal'), 'Page title is "Preview comment".');
+$this->assertText($edit['subject'], 'Subject displayed.');
+$this->assertText($edit['comment_body[' . $langcode . '][0][value]'], 'Comment displayed.');
+// Check that the title and body fields are displayed with the correct values.
+$this->assertFieldByName('subject', $edit['subject'], 'Subject field displayed.');
+$this->assertFieldByName('comment_body[' . $langcode . '][0][value]', $edit['comment_body[' . $langcode . '][0][value]'], 'Comment field displayed.');
+// Check that the signature is displaying with the correct text format.
+$this->assertLink($test_signature);
+// Check that the user picture is displayed.
+$this->assertFieldByXPath("//div[contains(@class, 'comment-preview')]//div[contains(@class, 'user-picture')]//img", NULL, 'User picture displayed.');
+}
+/**
+* Test comment edit, preview, and save.
+*/
+function testCommentEditPreviewSave() {
+$langcode = LANGUAGE_NONE;
+$web_user = $this->drupalCreateUser(array('access comments', 'post comments', 'skip comment approval'));
+$this->drupalLogin($this->admin_user);
+$this->setCommentPreview(DRUPAL_OPTIONAL);
+$this->setCommentForm(TRUE);
+$this->setCommentSubject(TRUE);
+$this->setCommentSettings('comment_default_mode', COMMENT_MODE_THREADED, 'Comment paging changed.');
+$edit = array();
+$edit['subject'] = $this->randomName(8);
+$edit['comment_body[' . $langcode . '][0][value]'] = $this->randomName(16);
+$edit['name'] = $web_user->name;
+$edit['date'] = '2008-03-02 17:23 +0300';
+$raw_date = strtotime($edit['date']);
+$expected_text_date = format_date($raw_date);
+$expected_form_date = format_date($raw_date, 'custom', 'Y-m-d H:i O');
+$comment = $this->postComment($this->node, $edit['subject'], $edit['comment_body[' . $langcode . '][0][value]'], TRUE);
+$this->drupalPost('comment/' . $comment->id . '/edit', $edit, t('Preview'));
+// Check that the preview is displaying the subject, comment, author and date correctly.
+$this->assertTitle(t('Preview comment | Drupal'), 'Page title is "Preview comment".');
+$this->assertText($edit['subject'], 'Subject displayed.');
+$this->assertText($edit['comment_body[' . $langcode . '][0][value]'], 'Comment displayed.');
+$this->assertText($edit['name'], 'Author displayed.');
+$this->assertText($expected_text_date, 'Date displayed.');
+// Check that the subject, comment, author and date fields are displayed with the correct values.
+$this->assertFieldByName('subject', $edit['subject'], 'Subject field displayed.');
+$this->assertFieldByName('comment_body[' . $langcode . '][0][value]', $edit['comment_body[' . $langcode . '][0][value]'], 'Comment field displayed.');
+$this->assertFieldByName('name', $edit['name'], 'Author field displayed.');
+$this->assertFieldByName('date', $edit['date'], 'Date field displayed.');
+// Check that saving a comment produces a success message.
+$this->drupalPost('comment/' . $comment->id . '/edit', $edit, t('Save'));
+$this->assertText(t('Your comment has been posted.'), 'Comment posted.');
+// Check that the comment fields are correct after loading the saved comment.
+$this->drupalGet('comment/' . $comment->id . '/edit');
+$this->assertFieldByName('subject', $edit['subject'], 'Subject field displayed.');
+$this->assertFieldByName('comment_body[' . $langcode . '][0][value]', $edit['comment_body[' . $langcode . '][0][value]'], 'Comment field displayed.');
+$this->assertFieldByName('name', $edit['name'], 'Author field displayed.');
+$this->assertFieldByName('date', $expected_form_date, 'Date field displayed.');
+// Submit the form using the displayed values.
+$displayed = array();
+$displayed['subject'] = (string) current($this->xpath("//input[@id='edit-subject']/@value"));
+$displayed['comment_body[' . $langcode . '][0][value]'] = (string) current($this->xpath("//textarea[@id='edit-comment-body-" . $langcode . "-0-value']"));
+$displayed['name'] = (string) current($this->xpath("//input[@id='edit-name']/@value"));
+$displayed['date'] = (string) current($this->xpath("//input[@id='edit-date']/@value"));
+$this->drupalPost('comment/' . $comment->id . '/edit', $displayed, t('Save'));
+// Check that the saved comment is still correct.
+$comment_loaded = comment_load($comment->id);
+$this->assertEqual($comment_loaded->subject, $edit['subject'], 'Subject loaded.');
+$this->assertEqual($comment_loaded->comment_body[$langcode][0]['value'], $edit['comment_body[' . $langcode . '][0][value]'], 'Comment body loaded.');
+$this->assertEqual($comment_loaded->name, $edit['name'], 'Name loaded.');
+$this->assertEqual($comment_loaded->created, $raw_date, 'Date loaded.');
+}
+}
+class CommentAnonymous extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Anonymous comments',
+'description' => 'Test anonymous comments.',
+'group' => 'Comment',
+);
+}
+function setUp() {
+parent::setUp();
+variable_set('user_register', USER_REGISTER_VISITORS);
+}
+/**
+* Test anonymous comment functionality.
+*/
+function testAnonymous() {
+$this->drupalLogin($this->admin_user);
+// Enabled anonymous user comments.
+user_role_change_permissions(DRUPAL_ANONYMOUS_RID, array(
+'access comments' => TRUE,
+'post comments' => TRUE,
+'skip comment approval' => TRUE,
+));
+$this->setCommentAnonymous('0'); // Ensure that doesn't require contact info.
+$this->drupalLogout();
+// Post anonymous comment without contact info.
+$anonymous_comment1 = $this->postComment($this->node, $this->randomName(), $this->randomName());
+$this->assertTrue($this->commentExists($anonymous_comment1), 'Anonymous comment without contact info found.');
+// Allow contact info.
+$this->drupalLogin($this->admin_user);
+$this->setCommentAnonymous('1');
+// Attempt to edit anonymous comment.
+$this->drupalGet('comment/' . $anonymous_comment1->id . '/edit');
+$edited_comment = $this->postComment(NULL, $this->randomName(), $this->randomName());
+$this->assertTrue($this->commentExists($edited_comment, FALSE), 'Modified reply found.');
+$this->drupalLogout();
+// Post anonymous comment with contact info (optional).
+$this->drupalGet('comment/reply/' . $this->node->nid);
+$this->assertTrue($this->commentContactInfoAvailable(), 'Contact information available.');
+$anonymous_comment2 = $this->postComment($this->node, $this->randomName(), $this->randomName());
+$this->assertTrue($this->commentExists($anonymous_comment2), 'Anonymous comment with contact info (optional) found.');
+// Ensure anonymous users cannot post in the name of registered users.
+$langcode = LANGUAGE_NONE;
+$edit = array(
+'name' => $this->admin_user->name,
+'mail' => $this->randomName() . '@example.com',
+'subject' => $this->randomName(),
+"comment_body[$langcode][0][value]" => $this->randomName(),
+);
+$this->drupalPost('comment/reply/' . $this->node->nid, $edit, t('Save'));
+$this->assertText(t('The name you used belongs to a registered user.'));
+// Require contact info.
+$this->drupalLogin($this->admin_user);
+$this->setCommentAnonymous('2');
+$this->drupalLogout();
+// Try to post comment with contact info (required).
+$this->drupalGet('comment/reply/' . $this->node->nid);
+$this->assertTrue($this->commentContactInfoAvailable(), 'Contact information available.');
+$anonymous_comment3 = $this->postComment($this->node, $this->randomName(), $this->randomName(), TRUE);
+// Name should have 'Anonymous' for value by default.
+$this->assertText(t('E-mail field is required.'), 'E-mail required.');
+$this->assertFalse($this->commentExists($anonymous_comment3), 'Anonymous comment with contact info (required) not found.');
+// Post comment with contact info (required).
+$author_name = $this->randomName();
+$author_mail = $this->randomName() . '@example.com';
+$anonymous_comment3 = $this->postComment($this->node, $this->randomName(), $this->randomName(), array('name' => $author_name, 'mail' => $author_mail));
+$this->assertTrue($this->commentExists($anonymous_comment3), 'Anonymous comment with contact info (required) found.');
+// Make sure the user data appears correctly when editing the comment.
+$this->drupalLogin($this->admin_user);
+$this->drupalGet('comment/' . $anonymous_comment3->id . '/edit');
+$this->assertRaw($author_name, "The anonymous user's name is correct when editing the comment.");
+$this->assertRaw($author_mail, "The anonymous user's e-mail address is correct when editing the comment.");
+// Unpublish comment.
+$this->performCommentOperation($anonymous_comment3, 'unpublish');
+$this->drupalGet('admin/content/comment/approval');
+$this->assertRaw('comments[' . $anonymous_comment3->id . ']', 'Comment was unpublished.');
+// Publish comment.
+$this->performCommentOperation($anonymous_comment3, 'publish', TRUE);
+$this->drupalGet('admin/content/comment');
+$this->assertRaw('comments[' . $anonymous_comment3->id . ']', 'Comment was published.');
+// Delete comment.
+$this->performCommentOperation($anonymous_comment3, 'delete');
+$this->drupalGet('admin/content/comment');
+$this->assertNoRaw('comments[' . $anonymous_comment3->id . ']', 'Comment was deleted.');
+$this->drupalLogout();
+// Reset.
+user_role_change_permissions(DRUPAL_ANONYMOUS_RID, array(
+'access comments' => FALSE,
+'post comments' => FALSE,
+'skip comment approval' => FALSE,
+));
+// Attempt to view comments while disallowed.
+// NOTE: if authenticated user has permission to post comments, then a
+// "Login or register to post comments" type link may be shown.
+$this->drupalGet('node/' . $this->node->nid);
+$this->assertNoPattern('@<h2[^>]*>Comments</h2>@', 'Comments were not displayed.');
+$this->assertNoLink('Add new comment', 'Link to add comment was found.');
+// Attempt to view node-comment form while disallowed.
+$this->drupalGet('comment/reply/' . $this->node->nid);
+$this->assertText('You are not authorized to post comments', 'Error attempting to post comment.');
+$this->assertNoFieldByName('subject', '', 'Subject field not found.');
+$this->assertNoFieldByName("comment_body[$langcode][0][value]", '', 'Comment field not found.');
+user_role_change_permissions(DRUPAL_ANONYMOUS_RID, array(
+'access comments' => TRUE,
+'post comments' => FALSE,
+'skip comment approval' => FALSE,
+));
+$this->drupalGet('node/' . $this->node->nid);
+$this->assertPattern('@<h2[^>]*>Comments</h2>@', 'Comments were displayed.');
+$this->assertLink('Log in', 1, 'Link to log in was found.');
+$this->assertLink('register', 1, 'Link to register was found.');
+user_role_change_permissions(DRUPAL_ANONYMOUS_RID, array(
+'access comments' => FALSE,
+'post comments' => TRUE,
+'skip comment approval' => TRUE,
+));
+$this->drupalGet('node/' . $this->node->nid);
+$this->assertNoPattern('@<h2[^>]*>Comments</h2>@', 'Comments were not displayed.');
+$this->assertFieldByName('subject', '', 'Subject field found.');
+$this->assertFieldByName("comment_body[$langcode][0][value]", '', 'Comment field found.');
+$this->drupalGet('comment/reply/' . $this->node->nid . '/' . $anonymous_comment3->id);
+$this->assertText('You are not authorized to view comments', 'Error attempting to post reply.');
+$this->assertNoText($author_name, 'Comment not displayed.');
+}
+}
+/**
+* Verify pagination of comments.
+*/
+class CommentPagerTest extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Comment paging settings',
+'description' => 'Test paging of comments and their settings.',
+'group' => 'Comment',
+);
+}
+/**
+* Confirm comment paging works correctly with flat and threaded comments.
+*/
+function testCommentPaging() {
+$this->drupalLogin($this->admin_user);
+// Set comment variables.
+$this->setCommentForm(TRUE);
+$this->setCommentSubject(TRUE);
+$this->setCommentPreview(DRUPAL_DISABLED);
+// Create a node and three comments.
+$node = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1));
+$comments = array();
+$comments[] = $this->postComment($node, $this->randomName(), $this->randomName(), TRUE);
+$comments[] = $this->postComment($node, $this->randomName(), $this->randomName(), TRUE);
+$comments[] = $this->postComment($node, $this->randomName(), $this->randomName(), TRUE);
+$this->setCommentSettings('comment_default_mode', COMMENT_MODE_FLAT, 'Comment paging changed.');
+// Set comments to one per page so that we are able to test paging without
+// needing to insert large numbers of comments.
+$this->setCommentsPerPage(1);
+// Check the first page of the node, and confirm the correct comments are
+// shown.
+$this->drupalGet('node/' . $node->nid);
+$this->assertRaw(t('next'), 'Paging links found.');
+$this->assertTrue($this->commentExists($comments[0]), 'Comment 1 appears on page 1.');
+$this->assertFalse($this->commentExists($comments[1]), 'Comment 2 does not appear on page 1.');
+$this->assertFalse($this->commentExists($comments[2]), 'Comment 3 does not appear on page 1.');
+// Check the second page.
+$this->drupalGet('node/' . $node->nid, array('query' => array('page' => 1)));
+$this->assertTrue($this->commentExists($comments[1]), 'Comment 2 appears on page 2.');
+$this->assertFalse($this->commentExists($comments[0]), 'Comment 1 does not appear on page 2.');
+$this->assertFalse($this->commentExists($comments[2]), 'Comment 3 does not appear on page 2.');
+// Check the third page.
+$this->drupalGet('node/' . $node->nid, array('query' => array('page' => 2)));
+$this->assertTrue($this->commentExists($comments[2]), 'Comment 3 appears on page 3.');
+$this->assertFalse($this->commentExists($comments[0]), 'Comment 1 does not appear on page 3.');
+$this->assertFalse($this->commentExists($comments[1]), 'Comment 2 does not appear on page 3.');
+// Post a reply to the oldest comment and test again.
+$replies = array();
+$oldest_comment = reset($comments);
+$this->drupalGet('comment/reply/' . $node->nid . '/' . $oldest_comment->id);
+$reply = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+$this->setCommentsPerPage(2);
+// We are still in flat view - the replies should not be on the first page,
+// even though they are replies to the oldest comment.
+$this->drupalGet('node/' . $node->nid, array('query' => array('page' => 0)));
+$this->assertFalse($this->commentExists($reply, TRUE), 'In flat mode, reply does not appear on page 1.');
+// If we switch to threaded mode, the replies on the oldest comment
+// should be bumped to the first page and comment 6 should be bumped
+// to the second page.
+$this->setCommentSettings('comment_default_mode', COMMENT_MODE_THREADED, 'Switched to threaded mode.');
+$this->drupalGet('node/' . $node->nid, array('query' => array('page' => 0)));
+$this->assertTrue($this->commentExists($reply, TRUE), 'In threaded mode, reply appears on page 1.');
+$this->assertFalse($this->commentExists($comments[1]), 'In threaded mode, comment 2 has been bumped off of page 1.');
+// If (# replies > # comments per page) in threaded expanded view,
+// the overage should be bumped.
+$reply2 = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+$this->drupalGet('node/' . $node->nid, array('query' => array('page' => 0)));
+$this->assertFalse($this->commentExists($reply2, TRUE), 'In threaded mode where # replies > # comments per page, the newest reply does not appear on page 1.');
+$this->drupalLogout();
+}
+/**
+* Test comment ordering and threading.
+*/
+function testCommentOrderingThreading() {
+$this->drupalLogin($this->admin_user);
+// Set comment variables.
+$this->setCommentForm(TRUE);
+$this->setCommentSubject(TRUE);
+$this->setCommentPreview(DRUPAL_DISABLED);
+// Display all the comments on the same page.
+$this->setCommentsPerPage(1000);
+// Create a node and three comments.
+$node = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1));
+$comments = array();
+$comments[] = $this->postComment($node, $this->randomName(), $this->randomName(), TRUE);
+$comments[] = $this->postComment($node, $this->randomName(), $this->randomName(), TRUE);
+$comments[] = $this->postComment($node, $this->randomName(), $this->randomName(), TRUE);
+// Post a reply to the second comment.
+$this->drupalGet('comment/reply/' . $node->nid . '/' . $comments[1]->id);
+$comments[] = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+// Post a reply to the first comment.
+$this->drupalGet('comment/reply/' . $node->nid . '/' . $comments[0]->id);
+$comments[] = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+// Post a reply to the last comment.
+$this->drupalGet('comment/reply/' . $node->nid . '/' . $comments[2]->id);
+$comments[] = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+// Post a reply to the second comment.
+$this->drupalGet('comment/reply/' . $node->nid . '/' . $comments[3]->id);
+$comments[] = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+// At this point, the comment tree is:
+// - 0
+//   - 4
+// - 1
+//   - 3
+//     - 6
+// - 2
+//   - 5
+$this->setCommentSettings('comment_default_mode', COMMENT_MODE_FLAT, 'Comment paging changed.');
+$expected_order = array(
+0,
+1,
+2,
+3,
+4,
+5,
+6,
+);
+$this->drupalGet('node/' . $node->nid);
+$this->assertCommentOrder($comments, $expected_order);
+$this->setCommentSettings('comment_default_mode', COMMENT_MODE_THREADED, 'Switched to threaded mode.');
+$expected_order = array(
+0,
+4,
+1,
+3,
+6,
+2,
+5,
+);
+$this->drupalGet('node/' . $node->nid);
+$this->assertCommentOrder($comments, $expected_order);
+}
+/**
+* Helper function: assert that the comments are displayed in the correct order.
+*
+* @param $comments
+*   And array of comments.
+* @param $expected_order
+*   An array of keys from $comments describing the expected order.
+*/
+function assertCommentOrder(array $comments, array $expected_order) {
+$expected_cids = array();
+// First, rekey the expected order by cid.
+foreach ($expected_order as $key) {
+$expected_cids[] = $comments[$key]->id;
+}
+$comment_anchors = $this->xpath('//a[starts-with(@id,"comment-")]');
+$result_order = array();
+foreach ($comment_anchors as $anchor) {
+$result_order[] = substr($anchor['id'], 8);
+}
+return $this->assertIdentical($expected_cids, $result_order, format_string('Comment order: expected @expected, returned @returned.', array('@expected' => implode(',', $expected_cids), '@returned' => implode(',', $result_order))));
+}
+/**
+* Test comment_new_page_count().
+*/
+function testCommentNewPageIndicator() {
+$this->drupalLogin($this->admin_user);
+// Set comment variables.
+$this->setCommentForm(TRUE);
+$this->setCommentSubject(TRUE);
+$this->setCommentPreview(DRUPAL_DISABLED);
+// Set comments to one per page so that we are able to test paging without
+// needing to insert large numbers of comments.
+$this->setCommentsPerPage(1);
+// Create a node and three comments.
+$node = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1));
+$comments = array();
+$comments[] = $this->postComment($node, $this->randomName(), $this->randomName(), TRUE);
+$comments[] = $this->postComment($node, $this->randomName(), $this->randomName(), TRUE);
+$comments[] = $this->postComment($node, $this->randomName(), $this->randomName(), TRUE);
+// Post a reply to the second comment.
+$this->drupalGet('comment/reply/' . $node->nid . '/' . $comments[1]->id);
+$comments[] = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+// Post a reply to the first comment.
+$this->drupalGet('comment/reply/' . $node->nid . '/' . $comments[0]->id);
+$comments[] = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+// Post a reply to the last comment.
+$this->drupalGet('comment/reply/' . $node->nid . '/' . $comments[2]->id);
+$comments[] = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+// At this point, the comment tree is:
+// - 0
+//   - 4
+// - 1
+//   - 3
+// - 2
+//   - 5
+$this->setCommentSettings('comment_default_mode', COMMENT_MODE_FLAT, 'Comment paging changed.');
+$expected_pages = array(
+1 => 5, // Page of comment 5
+2 => 4, // Page of comment 4
+3 => 3, // Page of comment 3
+4 => 2, // Page of comment 2
+5 => 1, // Page of comment 1
+6 => 0, // Page of comment 0
+);
+$node = node_load($node->nid);
+foreach ($expected_pages as $new_replies => $expected_page) {
+$returned = comment_new_page_count($node->comment_count, $new_replies, $node);
+$returned_page = is_array($returned) ? $returned['page'] : 0;
+$this->assertIdentical($expected_page, $returned_page, format_string('Flat mode, @new replies: expected page @expected, returned page @returned.', array('@new' => $new_replies, '@expected' => $expected_page, '@returned' => $returned_page)));
+}
+$this->setCommentSettings('comment_default_mode', COMMENT_MODE_THREADED, 'Switched to threaded mode.');
+$expected_pages = array(
+1 => 5, // Page of comment 5
+2 => 1, // Page of comment 4
+3 => 1, // Page of comment 4
+4 => 1, // Page of comment 4
+5 => 1, // Page of comment 4
+6 => 0, // Page of comment 0
+);
+$node = node_load($node->nid);
+foreach ($expected_pages as $new_replies => $expected_page) {
+$returned = comment_new_page_count($node->comment_count, $new_replies, $node);
+$returned_page = is_array($returned) ? $returned['page'] : 0;
+$this->assertEqual($expected_page, $returned_page, format_string('Threaded mode, @new replies: expected page @expected, returned page @returned.', array('@new' => $new_replies, '@expected' => $expected_page, '@returned' => $returned_page)));
+}
+}
+}
+/**
+* Tests comments with node access.
+*
+* See http://drupal.org/node/886752 -- verify there is no PostgreSQL error when
+* viewing a node with threaded comments (a comment and a reply), if a node
+* access module is in use.
+*/
+class CommentNodeAccessTest extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Comment node access',
+'description' => 'Test comment viewing with node access.',
+'group' => 'Comment',
+);
+}
+function setUp() {
+parent::setUp('search', 'node_access_test');
+node_access_rebuild();
+// Create users and test node.
+$this->admin_user = $this->drupalCreateUser(array('administer content types', 'administer comments', 'administer blocks'));
+$this->web_user = $this->drupalCreateUser(array('access comments', 'post comments', 'create article content', 'edit own comments', 'node test view'));
+$this->node = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1, 'uid' => $this->web_user->uid));
+}
+/**
+* Test that threaded comments can be viewed.
+*/
+function testThreadedCommentView() {
+$langcode = LANGUAGE_NONE;
+// Set comments to have subject required and preview disabled.
+$this->drupalLogin($this->admin_user);
+$this->setCommentPreview(DRUPAL_DISABLED);
+$this->setCommentForm(TRUE);
+$this->setCommentSubject(TRUE);
+$this->setCommentSettings('comment_default_mode', COMMENT_MODE_THREADED, 'Comment paging changed.');
+$this->drupalLogout();
+// Post comment.
+$this->drupalLogin($this->web_user);
+$comment_text = $this->randomName();
+$comment_subject = $this->randomName();
+$comment = $this->postComment($this->node, $comment_text, $comment_subject);
+$comment_loaded = comment_load($comment->id);
+$this->assertTrue($this->commentExists($comment), 'Comment found.');
+// Check comment display.
+$this->drupalGet('node/' . $this->node->nid . '/' . $comment->id);
+$this->assertText($comment_subject, 'Individual comment subject found.');
+$this->assertText($comment_text, 'Individual comment body found.');
+// Reply to comment, creating second comment.
+$this->drupalGet('comment/reply/' . $this->node->nid . '/' . $comment->id);
+$reply_text = $this->randomName();
+$reply_subject = $this->randomName();
+$reply = $this->postComment(NULL, $reply_text, $reply_subject, TRUE);
+$reply_loaded = comment_load($reply->id);
+$this->assertTrue($this->commentExists($reply, TRUE), 'Reply found.');
+// Go to the node page and verify comment and reply are visible.
+$this->drupalGet('node/' . $this->node->nid);
+$this->assertText($comment_text);
+$this->assertText($comment_subject);
+$this->assertText($reply_text);
+$this->assertText($reply_subject);
+}
+}
+class CommentApprovalTest extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Comment approval',
+'description' => 'Test comment approval functionality.',
+'group' => 'Comment',
+);
+}
+/**
+* Test comment approval functionality through admin/content/comment.
+*/
+function testApprovalAdminInterface() {
+// Set anonymous comments to require approval.
+user_role_change_permissions(DRUPAL_ANONYMOUS_RID, array(
+'access comments' => TRUE,
+'post comments' => TRUE,
+'skip comment approval' => FALSE,
+));
+$this->drupalLogin($this->admin_user);
+$this->setCommentAnonymous('0'); // Ensure that doesn't require contact info.
+// Test that the comments page loads correctly when there are no comments
+$this->drupalGet('admin/content/comment');
+$this->assertText(t('No comments available.'));
+$this->drupalLogout();
+// Post anonymous comment without contact info.
+$subject = $this->randomName();
+$body = $this->randomName();
+$this->postComment($this->node, $body, $subject, TRUE); // Set $contact to true so that it won't check for id and message.
+$this->assertText(t('Your comment has been queued for review by site administrators and will be published after approval.'), 'Comment requires approval.');
+// Get unapproved comment id.
+$this->drupalLogin($this->admin_user);
+$anonymous_comment4 = $this->getUnapprovedComment($subject);
+$anonymous_comment4 = (object) array('id' => $anonymous_comment4, 'subject' => $subject, 'comment' => $body);
+$this->drupalLogout();
+$this->assertFalse($this->commentExists($anonymous_comment4), 'Anonymous comment was not published.');
+// Approve comment.
+$this->drupalLogin($this->admin_user);
+$this->performCommentOperation($anonymous_comment4, 'publish', TRUE);
+$this->drupalLogout();
+$this->drupalGet('node/' . $this->node->nid);
+$this->assertTrue($this->commentExists($anonymous_comment4), 'Anonymous comment visible.');
+// Post 2 anonymous comments without contact info.
+$comments[] = $this->postComment($this->node, $this->randomName(), $this->randomName(), TRUE);
+$comments[] = $this->postComment($this->node, $this->randomName(), $this->randomName(), TRUE);
+// Publish multiple comments in one operation.
+$this->drupalLogin($this->admin_user);
+$this->drupalGet('admin/content/comment/approval');
+$this->assertText(t('Unapproved comments (@count)', array('@count' => 2)), 'Two unapproved comments waiting for approval.');
+$edit = array(
+"comments[{$comments[0]->id}]" => 1,
+"comments[{$comments[1]->id}]" => 1,
+);
+$this->drupalPost(NULL, $edit, t('Update'));
+$this->assertText(t('Unapproved comments (@count)', array('@count' => 0)), 'All comments were approved.');
+// Delete multiple comments in one operation.
+$edit = array(
+'operation' => 'delete',
+"comments[{$comments[0]->id}]" => 1,
+"comments[{$comments[1]->id}]" => 1,
+"comments[{$anonymous_comment4->id}]" => 1,
+);
+$this->drupalPost(NULL, $edit, t('Update'));
+$this->assertText(t('Are you sure you want to delete these comments and all their children?'), 'Confirmation required.');
+$this->drupalPost(NULL, $edit, t('Delete comments'));
+$this->assertText(t('No comments available.'), 'All comments were deleted.');
+}
+/**
+* Test comment approval functionality through node interface.
+*/
+function testApprovalNodeInterface() {
+// Set anonymous comments to require approval.
+user_role_change_permissions(DRUPAL_ANONYMOUS_RID, array(
+'access comments' => TRUE,
+'post comments' => TRUE,
+'skip comment approval' => FALSE,
+));
+$this->drupalLogin($this->admin_user);
+$this->setCommentAnonymous('0'); // Ensure that doesn't require contact info.
+$this->drupalLogout();
+// Post anonymous comment without contact info.
+$subject = $this->randomName();
+$body = $this->randomName();
+$this->postComment($this->node, $body, $subject, TRUE); // Set $contact to true so that it won't check for id and message.
+$this->assertText(t('Your comment has been queued for review by site administrators and will be published after approval.'), 'Comment requires approval.');
+// Get unapproved comment id.
+$this->drupalLogin($this->admin_user);
+$anonymous_comment4 = $this->getUnapprovedComment($subject);
+$anonymous_comment4 = (object) array('id' => $anonymous_comment4, 'subject' => $subject, 'comment' => $body);
+$this->drupalLogout();
+$this->assertFalse($this->commentExists($anonymous_comment4), 'Anonymous comment was not published.');
+// Approve comment.
+$this->drupalLogin($this->admin_user);
+$this->drupalGet('comment/1/approve');
+$this->assertResponse(403, 'Forged comment approval was denied.');
+$this->drupalGet('comment/1/approve', array('query' => array('token' => 'forged')));
+$this->assertResponse(403, 'Forged comment approval was denied.');
+$this->drupalGet('node/' . $this->node->nid);
+$this->clickLink(t('approve'));
+$this->drupalLogout();
+$this->drupalGet('node/' . $this->node->nid);
+$this->assertTrue($this->commentExists($anonymous_comment4), 'Anonymous comment visible.');
+}
+}
+/**
+* Functional tests for the comment module blocks.
+*/
+class CommentBlockFunctionalTest extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Comment blocks',
+'description' => 'Test comment block functionality.',
+'group' => 'Comment',
+);
+}
+/**
+* Test the recent comments block.
+*/
+function testRecentCommentBlock() {
+$this->drupalLogin($this->admin_user);
+// Set the block to a region to confirm block is available.
+$edit = array(
+'blocks[comment_recent][region]' => 'sidebar_first',
+);
+$this->drupalPost('admin/structure/block', $edit, t('Save blocks'));
+$this->assertText(t('The block settings have been updated.'), 'Block saved to first sidebar region.');
+// Set block title and variables.
+$block = array(
+'title' => $this->randomName(),
+'comment_block_count' => 2,
+);
+$this->drupalPost('admin/structure/block/manage/comment/recent/configure', $block, t('Save block'));
+$this->assertText(t('The block configuration has been saved.'), 'Block saved.');
+// Add some test comments, one without a subject.
+$comment1 = $this->postComment($this->node, $this->randomName(), $this->randomName());
+$comment2 = $this->postComment($this->node, $this->randomName(), $this->randomName());
+$comment3 = $this->postComment($this->node, $this->randomName());
+// Test that a user without the 'access comments' permission cannot see the
+// block.
+$this->drupalLogout();
+user_role_revoke_permissions(DRUPAL_ANONYMOUS_RID, array('access comments'));
+$this->drupalGet('');
+$this->assertNoText($block['title'], 'Block was not found.');
+user_role_grant_permissions(DRUPAL_ANONYMOUS_RID, array('access comments'));
+// Test that a user with the 'access comments' permission can see the
+// block.
+$this->drupalLogin($this->web_user);
+$this->drupalGet('');
+$this->assertText($block['title'], 'Block was found.');
+// Test the only the 2 latest comments are shown and in the proper order.
+$this->assertNoText($comment1->subject, 'Comment not found in block.');
+$this->assertText($comment2->subject, 'Comment found in block.');
+$this->assertText($comment3->comment, 'Comment found in block.');
+$this->assertTrue(strpos($this->drupalGetContent(), $comment3->comment) < strpos($this->drupalGetContent(), $comment2->subject), 'Comments were ordered correctly in block.');
+// Set the number of recent comments to show to 10.
+$this->drupalLogout();
+$this->drupalLogin($this->admin_user);
+$block = array(
+'comment_block_count' => 10,
+);
+$this->drupalPost('admin/structure/block/manage/comment/recent/configure', $block, t('Save block'));
+$this->assertText(t('The block configuration has been saved.'), 'Block saved.');
+// Post an additional comment.
+$comment4 = $this->postComment($this->node, $this->randomName(), $this->randomName());
+// Test that all four comments are shown.
+$this->assertText($comment1->subject, 'Comment found in block.');
+$this->assertText($comment2->subject, 'Comment found in block.');
+$this->assertText($comment3->comment, 'Comment found in block.');
+$this->assertText($comment4->subject, 'Comment found in block.');
+// Test that links to comments work when comments are across pages.
+$this->setCommentsPerPage(1);
+$this->drupalGet('');
+$this->clickLink($comment1->subject);
+$this->assertText($comment1->subject, 'Comment link goes to correct page.');
+$this->drupalGet('');
+$this->clickLink($comment2->subject);
+$this->assertText($comment2->subject, 'Comment link goes to correct page.');
+$this->clickLink($comment4->subject);
+$this->assertText($comment4->subject, 'Comment link goes to correct page.');
+// Check that when viewing a comment page from a link to the comment, that
+// rel="canonical" is added to the head of the document.
+$this->assertRaw('<link rel="canonical"', 'Canonical URL was found in the HTML head');
+}
+}
+/**
+* Unit tests for comment module integration with RSS feeds.
+*/
+class CommentRSSUnitTest extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Comment RSS',
+'description' => 'Test comments as part of an RSS feed.',
+'group' => 'Comment',
+);
+}
+/**
+* Test comments as part of an RSS feed.
+*/
+function testCommentRSS() {
+// Find comment in RSS feed.
+$this->drupalLogin($this->web_user);
+$comment = $this->postComment($this->node, $this->randomName(), $this->randomName());
+$this->drupalGet('rss.xml');
+$raw = '<comments>' . url('node/' . $this->node->nid, array('fragment' => 'comments', 'absolute' => TRUE)) . '</comments>';
+$this->assertRaw($raw, 'Comments as part of RSS feed.');
+// Hide comments from RSS feed and check presence.
+$this->node->comment = COMMENT_NODE_HIDDEN;
+node_save($this->node);
+$this->drupalGet('rss.xml');
+$this->assertNoRaw($raw, 'Hidden comments is not a part of RSS feed.');
+}
+}
+/**
+* Test to make sure comment content is rebuilt.
+*/
+class CommentContentRebuild extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Comment Rebuild',
+'description' => 'Test to make sure the comment content is rebuilt.',
+'group' => 'Comment',
+);
+}
+/**
+* Test to ensure that the comment's content array is rebuilt for every
+* call to comment_view().
+*/
+function testCommentRebuild() {
+// Update the comment settings so preview isn't required.
+$this->drupalLogin($this->admin_user);
+$this->setCommentSubject(TRUE);
+$this->setCommentPreview(DRUPAL_OPTIONAL);
+$this->drupalLogout();
+// Log in as the web user and add the comment.
+$this->drupalLogin($this->web_user);
+$subject_text = $this->randomName();
+$comment_text = $this->randomName();
+$comment = $this->postComment($this->node, $comment_text, $subject_text, TRUE);
+$comment_loaded = comment_load($comment->id);
+$this->assertTrue($this->commentExists($comment), 'Comment found.');
+// Add the property to the content array and then see if it still exists on build.
+$comment_loaded->content['test_property'] = array('#value' => $this->randomString());
+$built_content = comment_view($comment_loaded, $this->node);
+// This means that the content was rebuilt as the added test property no longer exists.
+$this->assertFalse(isset($built_content['test_property']), 'Comment content was emptied before being built.');
+}
+}
+/**
+* Test comment token replacement in strings.
+*/
+class CommentTokenReplaceTestCase extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Comment token replacement',
+'description' => 'Generates text using placeholders for dummy content to check comment token replacement.',
+'group' => 'Comment',
+);
+}
+/**
+* Creates a comment, then tests the tokens generated from it.
+*/
+function testCommentTokenReplacement() {
+global $language;
+$url_options = array(
+'absolute' => TRUE,
+'language' => $language,
+);
+$this->drupalLogin($this->admin_user);
+// Set comment variables.
+$this->setCommentSubject(TRUE);
+// Create a node and a comment.
+$node = $this->drupalCreateNode(array('type' => 'article'));
+$parent_comment = $this->postComment($node, $this->randomName(), $this->randomName(), TRUE);
+// Post a reply to the comment.
+$this->drupalGet('comment/reply/' . $node->nid . '/' . $parent_comment->id);
+$child_comment = $this->postComment(NULL, $this->randomName(), $this->randomName());
+$comment = comment_load($child_comment->id);
+$comment->homepage = 'http://example.org/';
+// Add HTML to ensure that sanitation of some fields tested directly.
+$comment->subject = '<blink>Blinking Comment</blink>';
+$instance = field_info_instance('comment', 'body', 'comment_body');
+// Generate and test sanitized tokens.
+$tests = array();
+$tests['[comment:cid]'] = $comment->cid;
+$tests['[comment:hostname]'] = check_plain($comment->hostname);
+$tests['[comment:name]'] = filter_xss($comment->name);
+$tests['[comment:mail]'] = check_plain($this->admin_user->mail);
+$tests['[comment:homepage]'] = check_url($comment->homepage);
+$tests['[comment:title]'] = filter_xss($comment->subject);
+$tests['[comment:body]'] = _text_sanitize($instance, LANGUAGE_NONE, $comment->comment_body[LANGUAGE_NONE][0], 'value');
+$tests['[comment:url]'] = url('comment/' . $comment->cid, $url_options + array('fragment' => 'comment-' . $comment->cid));
+$tests['[comment:edit-url]'] = url('comment/' . $comment->cid . '/edit', $url_options);
+$tests['[comment:created:since]'] = format_interval(REQUEST_TIME - $comment->created, 2, $language->language);
+$tests['[comment:changed:since]'] = format_interval(REQUEST_TIME - $comment->changed, 2, $language->language);
+$tests['[comment:parent:cid]'] = $comment->pid;
+$tests['[comment:parent:title]'] = check_plain($parent_comment->subject);
+$tests['[comment:node:nid]'] = $comment->nid;
+$tests['[comment:node:title]'] = check_plain($node->title);
+$tests['[comment:author:uid]'] = $comment->uid;
+$tests['[comment:author:name]'] = check_plain($this->admin_user->name);
+// Test to make sure that we generated something for each token.
+$this->assertFalse(in_array(0, array_map('strlen', $tests)), 'No empty tokens generated.');
+foreach ($tests as $input => $expected) {
+$output = token_replace($input, array('comment' => $comment), array('language' => $language));
+$this->assertEqual($output, $expected, format_string('Sanitized comment token %token replaced.', array('%token' => $input)));
+}
+// Generate and test unsanitized tokens.
+$tests['[comment:hostname]'] = $comment->hostname;
+$tests['[comment:name]'] = $comment->name;
+$tests['[comment:mail]'] = $this->admin_user->mail;
+$tests['[comment:homepage]'] = $comment->homepage;
+$tests['[comment:title]'] = $comment->subject;
+$tests['[comment:body]'] = $comment->comment_body[LANGUAGE_NONE][0]['value'];
+$tests['[comment:parent:title]'] = $parent_comment->subject;
+$tests['[comment:node:title]'] = $node->title;
+$tests['[comment:author:name]'] = $this->admin_user->name;
+foreach ($tests as $input => $expected) {
+$output = token_replace($input, array('comment' => $comment), array('language' => $language, 'sanitize' => FALSE));
+$this->assertEqual($output, $expected, format_string('Unsanitized comment token %token replaced.', array('%token' => $input)));
+}
+// Load node so comment_count gets computed.
+$node = node_load($node->nid);
+// Generate comment tokens for the node (it has 2 comments, both new).
+$tests = array();
+$tests['[node:comment-count]'] = 2;
+$tests['[node:comment-count-new]'] = 2;
+foreach ($tests as $input => $expected) {
+$output = token_replace($input, array('node' => $node), array('language' => $language));
+$this->assertEqual($output, $expected, format_string('Node comment token %token replaced.', array('%token' => $input)));
+}
+}
+}
+/**
+* Test actions provided by the comment module.
+*/
+class CommentActionsTestCase extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Comment actions',
+'description' => 'Test actions provided by the comment module.',
+'group' => 'Comment',
+);
+}
+/**
+* Test comment publish and unpublish actions.
+*/
+function testCommentPublishUnpublishActions() {
+$this->drupalLogin($this->web_user);
+$comment_text = $this->randomName();
+$subject = $this->randomName();
+$comment = $this->postComment($this->node, $comment_text, $subject);
+$comment = comment_load($comment->id);
+// Unpublish a comment (direct form: doesn't actually save the comment).
+comment_unpublish_action($comment);
+$this->assertEqual($comment->status, COMMENT_NOT_PUBLISHED, 'Comment was unpublished');
+$this->assertWatchdogMessage('Unpublished comment %subject.', array('%subject' => $subject), 'Found watchdog message');
+$this->clearWatchdog();
+// Unpublish a comment (indirect form: modify the comment in the database).
+comment_unpublish_action(NULL, array('cid' => $comment->cid));
+$this->assertEqual(comment_load($comment->cid)->status, COMMENT_NOT_PUBLISHED, 'Comment was unpublished');
+$this->assertWatchdogMessage('Unpublished comment %subject.', array('%subject' => $subject), 'Found watchdog message');
+// Publish a comment (direct form: doesn't actually save the comment).
+comment_publish_action($comment);
+$this->assertEqual($comment->status, COMMENT_PUBLISHED, 'Comment was published');
+$this->assertWatchdogMessage('Published comment %subject.', array('%subject' => $subject), 'Found watchdog message');
+$this->clearWatchdog();
+// Publish a comment (indirect form: modify the comment in the database).
+comment_publish_action(NULL, array('cid' => $comment->cid));
+$this->assertEqual(comment_load($comment->cid)->status, COMMENT_PUBLISHED, 'Comment was published');
+$this->assertWatchdogMessage('Published comment %subject.', array('%subject' => $subject), 'Found watchdog message');
+$this->clearWatchdog();
+}
+/**
+* Tests the unpublish comment by keyword action.
+*/
+public function testCommentUnpublishByKeyword() {
+$this->drupalLogin($this->admin_user);
+$callback = 'comment_unpublish_by_keyword_action';
+$hash = drupal_hash_base64($callback);
+$comment_text = $keywords = $this->randomName();
+$edit = array(
+'actions_label' => $callback,
+'keywords' => $keywords,
+);
+$this->drupalPost("admin/config/system/actions/configure/$hash", $edit, t('Save'));
+$action = db_query("SELECT aid, type, callback, parameters, label FROM {actions} WHERE callback = :callback", array(':callback' => $callback))->fetchObject();
+$this->assertTrue($action, 'The action could be loaded.');
+$comment = $this->postComment($this->node, $comment_text, $this->randomName());
+// Load the full comment so that status is available.
+$comment = comment_load($comment->id);
+$this->assertTrue($comment->status == COMMENT_PUBLISHED, 'The comment status was set to published.');
+comment_unpublish_by_keyword_action($comment, array('keywords' => array($keywords)));
+// We need to make sure that the comment has been saved with status
+// unpublished.
+$this->assertEqual(comment_load($comment->cid)->status, COMMENT_NOT_PUBLISHED, 'Comment was unpublished.');
+$this->assertWatchdogMessage('Unpublished comment %subject.', array('%subject' => $comment->subject), 'Found watchdog message.');
+$this->clearWatchdog();
+}
+/**
+* Verify that a watchdog message has been entered.
+*
+* @param $watchdog_message
+*   The watchdog message.
+* @param $variables
+*   The array of variables passed to watchdog().
+* @param $message
+*   The assertion message.
+*/
+function assertWatchdogMessage($watchdog_message, $variables, $message) {
+$status = (bool) db_query_range("SELECT 1 FROM {watchdog} WHERE message = :message AND variables = :variables", 0, 1, array(':message' => $watchdog_message, ':variables' => serialize($variables)))->fetchField();
+return $this->assert($status, format_string('@message', array('@message' => $message)));
+}
+/**
+* Helper function: clear the watchdog.
+*/
+function clearWatchdog() {
+db_truncate('watchdog')->execute();
+}
+}
+/**
+* Test fields on comments.
+*/
+class CommentFieldsTest extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Comment fields',
+'description' => 'Tests fields on comments.',
+'group' => 'Comment',
+);
+}
+/**
+* Tests that the default 'comment_body' field is correctly added.
+*/
+function testCommentDefaultFields() {
+// Do not make assumptions on default node types created by the test
+// installation profile, and create our own.
+$this->drupalCreateContentType(array('type' => 'test_node_type'));
+// Check that the 'comment_body' field is present on all comment bundles.
+$instances = field_info_instances('comment');
+foreach (node_type_get_types() as $type_name => $info) {
+$this->assertTrue(isset($instances['comment_node_' . $type_name]['comment_body']), format_string('The comment_body field is present for comments on type @type', array('@type' => $type_name)));
+// Delete the instance along the way.
+field_delete_instance($instances['comment_node_' . $type_name]['comment_body']);
+}
+// Check that the 'comment_body' field is deleted.
+$field = field_info_field('comment_body');
+$this->assertTrue(empty($field), 'The comment_body field was deleted');
+// Create a new content type.
+$type_name = 'test_node_type_2';
+$this->drupalCreateContentType(array('type' => $type_name));
+// Check that the 'comment_body' field exists and has an instance on the
+// new comment bundle.
+$field = field_info_field('comment_body');
+$this->assertTrue($field, 'The comment_body field exists');
+$instances = field_info_instances('comment');
+$this->assertTrue(isset($instances['comment_node_' . $type_name]['comment_body']), format_string('The comment_body field is present for comments on type @type', array('@type' => $type_name)));
+}
+/**
+* Test that comment module works when enabled after a content module.
+*/
+function testCommentEnable() {
+// Create a user to do module administration.
+$this->admin_user = $this->drupalCreateUser(array('access administration pages', 'administer modules'));
+$this->drupalLogin($this->admin_user);
+// Disable the comment module.
+$edit = array();
+$edit['modules[Core][comment][enable]'] = FALSE;
+$this->drupalPost('admin/modules', $edit, t('Save configuration'));
+$this->resetAll();
+$this->assertFalse(module_exists('comment'), 'Comment module disabled.');
+// Enable core content type modules (blog, book, and poll).
+$edit = array();
+$edit['modules[Core][blog][enable]'] = 'blog';
+$edit['modules[Core][book][enable]'] = 'book';
+$edit['modules[Core][poll][enable]'] = 'poll';
+$this->drupalPost('admin/modules', $edit, t('Save configuration'));
+$this->resetAll();
+// Now enable the comment module.
+$edit = array();
+$edit['modules[Core][comment][enable]'] = 'comment';
+$this->drupalPost('admin/modules', $edit, t('Save configuration'));
+$this->resetAll();
+$this->assertTrue(module_exists('comment'), 'Comment module enabled.');
+// Create nodes of each type.
+$blog_node = $this->drupalCreateNode(array('type' => 'blog'));
+$book_node = $this->drupalCreateNode(array('type' => 'book'));
+$poll_node = $this->drupalCreateNode(array('type' => 'poll', 'active' => 1, 'runtime' => 0, 'choice' => array(array('chtext' => ''))));
+$this->drupalLogout();
+// Try to post a comment on each node. A failure will be triggered if the
+// comment body is missing on one of these forms, due to postComment()
+// asserting that the body is actually posted correctly.
+$this->web_user = $this->drupalCreateUser(array('access content', 'access comments', 'post comments', 'skip comment approval'));
+$this->drupalLogin($this->web_user);
+$this->postComment($blog_node, $this->randomName(), $this->randomName());
+$this->postComment($book_node, $this->randomName(), $this->randomName());
+$this->postComment($poll_node, $this->randomName(), $this->randomName());
+}
+/**
+* Test that comment module works correctly with plain text format.
+*/
+function testCommentFormat() {
+// Disable text processing for comments.
+$this->drupalLogin($this->admin_user);
+$edit = array('instance[settings][text_processing]' => 0);
+$this->drupalPost('admin/structure/types/manage/article/comment/fields/comment_body', $edit, t('Save settings'));
+// Post a comment without an explicit subject.
+$this->drupalLogin($this->web_user);
+$edit = array('comment_body[und][0][value]' => $this->randomName(8));
+$this->drupalPost('node/' . $this->node->nid, $edit, t('Save'));
+}
+}
+/**
+* Tests comment threading.
+*/
+class CommentThreadingTestCase extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Comment Threading',
+'description' => 'Test to make sure the comment number increments properly.',
+'group' => 'Comment',
+);
+}
+/**
+* Tests the comment threading.
+*/
+function testCommentThreading() {
+$langcode = LANGUAGE_NONE;
+// Set comments to have a subject with preview disabled.
+$this->drupalLogin($this->admin_user);
+$this->setCommentPreview(DRUPAL_DISABLED);
+$this->setCommentForm(TRUE);
+$this->setCommentSubject(TRUE);
+$this->setCommentSettings('comment_default_mode', COMMENT_MODE_THREADED, 'Comment paging changed.');
+$this->drupalLogout();
+// Create a node.
+$this->drupalLogin($this->web_user);
+$this->node = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1, 'uid' => $this->web_user->uid));
+// Post comment #1.
+$this->drupalLogin($this->web_user);
+$subject_text = $this->randomName();
+$comment_text = $this->randomName();
+$comment = $this->postComment($this->node, $comment_text, $subject_text, TRUE);
+$comment_loaded = comment_load($comment->id);
+$this->assertTrue($this->commentExists($comment), 'Comment #1. Comment found.');
+$this->assertEqual($comment_loaded->thread, '01/');
+// Reply to comment #1 creating comment #2.
+$this->drupalLogin($this->web_user);
+$this->drupalGet('comment/reply/' . $this->node->nid . '/' . $comment->id);
+$reply = $this->postComment(NULL, $this->randomName(), '', TRUE);
+$reply_loaded = comment_load($reply->id);
+$this->assertTrue($this->commentExists($reply, TRUE), 'Comment #2. Reply found.');
+$this->assertEqual($reply_loaded->thread, '01.00/');
+// Reply to comment #2 creating comment #3.
+$this->drupalGet('comment/reply/' . $this->node->nid . '/' . $reply->id);
+$reply = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+$reply_loaded = comment_load($reply->id);
+$this->assertTrue($this->commentExists($reply, TRUE), 'Comment #3. Second reply found.');
+$this->assertEqual($reply_loaded->thread, '01.00.00/');
+// Reply to comment #1 creating comment #4.
+$this->drupalLogin($this->web_user);
+$this->drupalGet('comment/reply/' . $this->node->nid . '/' . $comment->id);
+$reply = $this->postComment(NULL, $this->randomName(), '', TRUE);
+$reply_loaded = comment_load($reply->id);
+$this->assertTrue($this->commentExists($comment), 'Comment #4. Third reply found.');
+$this->assertEqual($reply_loaded->thread, '01.01/');
+// Post comment #2 overall comment #5.
+$this->drupalLogin($this->web_user);
+$subject_text = $this->randomName();
+$comment_text = $this->randomName();
+$comment = $this->postComment($this->node, $comment_text, $subject_text, TRUE);
+$comment_loaded = comment_load($comment->id);
+$this->assertTrue($this->commentExists($comment), 'Comment #5. Second comment found.');
+$this->assertEqual($comment_loaded->thread, '02/');
+// Reply to comment #5 creating comment #6.
+$this->drupalLogin($this->web_user);
+$this->drupalGet('comment/reply/' . $this->node->nid . '/' . $comment->id);
+$reply = $this->postComment(NULL, $this->randomName(), '', TRUE);
+$reply_loaded = comment_load($reply->id);
+$this->assertTrue($this->commentExists($reply, TRUE), 'Comment #6. Reply found.');
+$this->assertEqual($reply_loaded->thread, '02.00/');
+// Reply to comment #6 creating comment #7.
+$this->drupalGet('comment/reply/' . $this->node->nid . '/' . $reply->id);
+$reply = $this->postComment(NULL, $this->randomName(), $this->randomName(), TRUE);
+$reply_loaded = comment_load($reply->id);
+$this->assertTrue($this->commentExists($reply, TRUE), 'Comment #7. Second reply found.');
+$this->assertEqual($reply_loaded->thread, '02.00.00/');
+// Reply to comment #5 creating comment #8.
+$this->drupalLogin($this->web_user);
+$this->drupalGet('comment/reply/' . $this->node->nid . '/' . $comment->id);
+$reply = $this->postComment(NULL, $this->randomName(), '', TRUE);
+$reply_loaded = comment_load($reply->id);
+$this->assertTrue($this->commentExists($comment), 'Comment #8. Third reply found.');
+$this->assertEqual($reply_loaded->thread, '02.01/');
+}
+}
+/**
+* Tests that comments behave correctly when the node is changed.
+*/
+class CommentNodeChangesTestCase extends CommentHelperCase {
+public static function getInfo() {
+return array(
+'name' => 'Comment deletion on node changes',
+'description' => 'Tests that comments behave correctly when the node is changed.',
+'group' => 'Comment',
+);
+}
+/**
+* Tests that comments are deleted with the node.
+*/
+function testNodeDeletion() {
+$this->drupalLogin($this->web_user);
+$comment = $this->postComment($this->node, $this->randomName(), $this->randomName());
+$this->assertTrue(comment_load($comment->id), 'The comment could be loaded.');
+node_delete($this->node->nid);
+$this->assertFalse(comment_load($comment->id), 'The comment could not be loaded after the node was deleted.');
+}
+}