public function MediaFileUsageTest::testFileUsageIncrementing in D7 Media 7

Tests the tracking of file usages for files submitted via the WYSIWYG editor.

File

test/media.file.usage.test, line 99

Tests for the file usage in entity fields with the Media filter markup.

Class

MediaFileUsageTest

@file Tests for the file usage in entity fields with the Media filter markup.

Code

public function testFileUsageIncrementing() {

  // Create a file.
  $files = $this
    ->drupalGetTestFiles('image');
  $file = file_save(file_uri_to_object($files[0]->uri));
  $fid = $file->fid;

  // There should be zero usages of this file prior to node creation,
  $file_uses = file_usage_list($file);
  $this
    ->assertEqual(empty($file_uses), TRUE, t('Created a new file with zero uses.'));

  // Create a node to test with.
  $nid = $this
    ->createNode($fid);

  // Get the new file usage count.
  $file_uses = file_usage_list($file);
  $this
    ->assertEqual($file_uses['media']['node'][$nid], 1, t('File usage increases when added to a new node.'));

  // Create a new revision that has the file on it. File usage will be 2.
  $node = node_load($nid);
  $node->revision = TRUE;
  node_save($node);
  $node = node_load($nid);
  $file_uses = file_usage_list($file);
  $revisions = count(node_revision_list($node));

  // Keep track of this VID to test deletion later on.
  $delete_one = $node->vid;
  $this
    ->assertEqual($revisions, 2, t('Node save created a second revision'));
  $this
    ->assertEqual($file_uses['media']['node'][$nid], 2, t('File usage incremented with a new node revision.'));

  // Create a new revision that has two instances of the file. File usage will
  // be 4.
  $node = node_load($nid);
  $node->body[LANGUAGE_NONE][0]['value'] = $this
    ->generateFileMarkup($fid, 2);
  $node->revision = TRUE;
  node_save($node);
  $node = node_load($nid);
  $file_uses = file_usage_list($file);
  $revisions = count(node_revision_list($node));

  // Keep track of this VID to test deletion later on.
  $delete_two = $node->vid;
  $this
    ->assertEqual($revisions, 3, t('Node save created a third revision.'));
  $this
    ->assertEqual($file_uses['media']['node'][$nid], 4, t('File usage incremented with multiple files and a new node revision.'));

  // Create a new revision that has no file on it. File usage will be 4.
  $node = node_load($nid);
  $node->body[LANGUAGE_NONE][0]['value'] = '';
  $node->revision = TRUE;
  node_save($node);
  $node = node_load($nid);
  $file_uses = file_usage_list($file);
  $revisions = count(node_revision_list($node));

  // Keep track of this VID to test deletion later on.
  $delete_zero = $node->vid;
  $this
    ->assertEqual($revisions, 4, t('Node save created a fourth revision.'));
  $this
    ->assertEqual($file_uses['media']['node'][$nid], 4, t('File usage does not change with a new revision of the node without the file'));

  // Create a new revision that has the file on it. File usage will be 5.
  $node = node_load($nid);
  $node->body[LANGUAGE_NONE][0]['value'] = $this
    ->generateFileMarkup($fid, 1);
  $node->revision = TRUE;
  node_save($node);
  $node = node_load($nid);
  $file_uses = file_usage_list($file);
  $revisions = count(node_revision_list($node));
  $this
    ->assertEqual($revisions, 5, t('Node save created a new revision.'));
  $this
    ->assertEqual($file_uses['media']['node'][$nid], 5, t('File usage incremented with a single file on a new node revision.'));

  // Delete a revision that has the file on it once. File usage will be 4.
  node_revision_delete($delete_one);
  $node = node_load($nid);
  $file_uses = file_usage_list($file);
  $this
    ->assertEqual($file_uses['media']['node'][$nid], 4, t('Deleting revision with file decreases file usage'));

  // Delete a revision that has no file on it. File usage will be 4.
  node_revision_delete($delete_zero);
  $node = node_load($nid);
  $file_uses = file_usage_list($file);
  $this
    ->assertEqual($file_uses['media']['node'][$nid], 4, t('Deleting revision without a file does not change file usage.'));

  // Delete a revision that has the file on it twice. File usage will be 2.
  node_revision_delete($delete_two);
  $node = node_load($nid);
  $file_uses = file_usage_list($file);
  $this
    ->assertEqual($file_uses['media']['node'][$nid], 2, t('Deleting revision with file decreases file usage'));

  // Create a new revision with the file on it twice. File usage will be 4.
  $node = node_load($nid);
  $node->body[LANGUAGE_NONE][0]['value'] = $this
    ->generateFileMarkup($fid, 2);
  $node->revision = TRUE;
  node_save($node);
  $node = node_load($nid);
  $file_uses = file_usage_list($file);
  $this
    ->assertEqual($file_uses['media']['node'][$nid], 4, t('File usage incremented with files on a new node revision.'));

  // Re-save current revision with file on it once instead of twice. File
  // usage will be 3.
  $node = node_load($nid);
  $node->body[LANGUAGE_NONE][0]['value'] = $this
    ->generateFileMarkup($fid, 1);
  $saved_vid = $node->vid;
  node_save($node);
  $node = node_load($nid);
  $file_uses = file_usage_list($file);
  $this
    ->assertEqual($node->vid, $saved_vid, t('Resaved node revision does not create new revision.'));
  $this
    ->assertEqual($file_uses['media']['node'][$nid], 3, t('Resaved node revision with fewer files reduces file usage.'));

  // Delete the node. File usage will be 0.
  $node = node_load($nid);
  node_delete($nid);
  $node = node_load($nid);
  $file_uses = file_usage_list($file);
  $this
    ->assertEqual(empty($node), TRUE, t('Node has been deleted.'));
  $this
    ->assertEqual(empty($file_uses), TRUE, t('Deleting the node removes all file uses.'));
}