function CommentPagerTest::testCommentNewPageIndicator in Drupal 7

Test comment_new_page_count().

File

modules/comment/comment.test, line 1407

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