Test comment_new_page_count().

File

drupal-7.x/modules/comment/comment.test, line 1399

Tests for comment.module.

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, // 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)));
  }
}