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function EntityEmbedFileUsageTest::testFileUsage in Entity Embed 7

Same name and namespace in other branches
  1. 7.2 entity_embed.test \EntityEmbedFileUsageTest::testFileUsage()

Tests usage tracking of embedded files.

File

./entity_embed.test, line 554
Test integration for the entity_embed module.

Class

EntityEmbedFileUsageTest
Tests file usage.

Code

function testFileUsage() {

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

  // The file should start without any usage.
  $file_uses = file_usage_list($file);
  $this
    ->assertEqual(empty($file_uses), TRUE, t('Created a new file without any usage.'));

  // Create a node with an embedded file.
  $content = '<drupal-entity data-entity-type="file" data-entity-id="' . $fid . '" data-view-mode="full"></drupal-entity>';
  $settings = array();
  $settings['body'] = array(
    LANGUAGE_NONE => array(
      array(
        'value' => $content,
        'format' => 'custom_format',
      ),
    ),
  );
  $node = $this
    ->drupalCreateNode($settings);
  $nid = $node->nid;

  // Verify that file usage increased.
  $file_uses = file_usage_list($file);
  $this
    ->assertEqual($file_uses['entity_embed']['node'][$nid], 1, t('File usage increases after embedding a file in a new node.'));

  // Create a new revision of the node that has the file on it.
  $node = node_load($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;

  // Verify that there are two revisions of the node.
  // File should now be used twice.
  $this
    ->assertEqual($revisions, 2, t('Node save created a second revision'));
  $this
    ->assertEqual($file_uses['entity_embed']['node'][$nid], 2, t('File usage incremented with a new node revision.'));

  // Create a new revision of the node that has the file on it.
  // Embed two instances of the file.
  $node = node_load($nid);
  $content = '';
  $content .= '<drupal-entity data-entity-type="file" data-entity-id="' . $fid . '" data-view-mode="full"></drupal-entity>';
  $content .= '<drupal-entity data-entity-type="file" data-entity-id="' . $fid . '" data-view-mode="full"></drupal-entity>';
  $node->body[LANGUAGE_NONE][0]['value'] = $content;
  $node->revision = TRUE;
  node_save($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;

  // Verify that there are three revisions of the node.
  // File should now be used four times.
  $this
    ->assertEqual($revisions, 3, t('Node save created a third revision.'));
  $this
    ->assertEqual($file_uses['entity_embed']['node'][$nid], 4, t('File usage incremented with multiple files and a new node revision.'));

  // Create a new revision of the node that has the file on it.
  // Remove all embedded files.
  $node = node_load($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;

  // Verify that there are four revisions of the node.
  // File should continue to be used four times.
  $this
    ->assertEqual($revisions, 4, t('Node save created a fourth revision.'));
  $this
    ->assertEqual($file_uses['entity_embed']['node'][$nid], 4, t('File usage is unchanged with a new revision of the node that does not contain any embedded files.'));

  // Create a new revision of the node that has the file on it.
  // Embed one instance of the file.
  $node = node_load($nid);
  $node->body[LANGUAGE_NONE][0]['value'] = '<drupal-entity data-entity-type="file" data-entity-id="' . $fid . '" data-view-mode="full"></drupal-entity>';
  $node->revision = TRUE;
  node_save($node);
  $node = node_load($nid);
  $file_uses = file_usage_list($file);
  $revisions = count(node_revision_list($node));

  // Verify that there are five revisions of the node.
  // File should now be used five times.
  $this
    ->assertEqual($revisions, 5, t('Node save created a new revision.'));
  $this
    ->assertEqual($file_uses['entity_embed']['node'][$nid], 5, t('File usage incremented with a single file on a new node revision.'));

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

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

  // Delete a revision that has two embedded files. File usage will be 2.
  node_revision_delete($delete_two);
  $file_uses = file_usage_list($file);
  $this
    ->assertEqual($file_uses['entity_embed']['node'][$nid], 2, t('Deleting revision with file decreases file usage'));

  // Create a new revision of the node that has the file on it.
  // Embed two instances of the file.
  $node = node_load($nid);
  $content = '';
  $content .= '<drupal-entity data-entity-type="file" data-entity-id="' . $fid . '" data-view-mode="full"></drupal-entity>';
  $content .= '<drupal-entity data-entity-type="file" data-entity-id="' . $fid . '" data-view-mode="full"></drupal-entity>';
  $node->body[LANGUAGE_NONE][0]['value'] = $content;
  $node->revision = TRUE;
  node_save($node);
  $file_uses = file_usage_list($file);

  // File should now be used four times.
  $this
    ->assertEqual($file_uses['entity_embed']['node'][$nid], 4, t('File usage incremented with files on a new node revision.'));

  // Remove one instance of the embedded file and re-save the current revision
  // of the node.
  $node = node_load($nid);
  $node->body[LANGUAGE_NONE][0]['value'] = '<drupal-entity data-entity-type="file" data-entity-id="' . $fid . '" data-view-mode="full"></drupal-entity>';
  $saved_vid = $node->vid;
  node_save($node);
  $node = node_load($nid);
  $file_uses = file_usage_list($file);

  // Verify that the current revision was used.
  // File should now be used three times.
  $this
    ->assertEqual($node->vid, $saved_vid, t('Resaved node revision does not create new revision.'));
  $this
    ->assertEqual($file_uses['entity_embed']['node'][$nid], 3, t('Resaved node revision with fewer files reduces file usage.'));

  // Delete the node.
  // The file should now be unused.
  node_delete($nid);
  $node = node_load($nid);
  $file_uses = file_usage_list($file);

  // Verify that the node was deleted and the file is now unused.
  $this
    ->assertEqual(empty($node), TRUE, t('Node has been deleted.'));
  $this
    ->assertEqual(empty($file_uses), TRUE, t('Deleting the node removes all file uses.'));
}