function CommentPagerTest::testCommentNewPageIndicator

Test comment_new_page_count().

File

modules/comment/comment.test, line 1419

Class

CommentPagerTest

Verify pagination of comments.

Code

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,
    );
    $node = node_load($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,
    );
    $node = node_load($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,
        )));
    }
}