function FileUsageTest::testRemoveUsage

Tests file_usage_delete().

File

modules/simpletest/tests/file.test, line 2324

Class

FileUsageTest

Tests file usage functions.

Code

function testRemoveUsage() {
  $file = $this->createFile();
  db_insert('file_usage')->fields(array(
    'fid' => $file->fid,
    'module' => 'testing',
    'type' => 'bar',
    'id' => 2,
    'count' => 3,
  ))
    ->execute();
  // Normal decrement.
  file_usage_delete($file, 'testing', 'bar', 2);
  $count = db_select('file_usage', 'f')->fields('f', array(
    'count',
  ))
    ->condition('f.fid', $file->fid)
    ->execute()
    ->fetchField();
  $this->assertEqual(2, $count, 'The count was decremented correctly.');
  // Multiple decrement and removal.
  file_usage_delete($file, 'testing', 'bar', 2, 2);
  $count = db_select('file_usage', 'f')->fields('f', array(
    'count',
  ))
    ->condition('f.fid', $file->fid)
    ->execute()
    ->fetchField();
  $this->assertIdentical(FALSE, $count, 'The count was removed entirely when empty.');
  // Non-existent decrement.
  file_usage_delete($file, 'testing', 'bar', 2);
  $count = db_select('file_usage', 'f')->fields('f', array(
    'count',
  ))
    ->condition('f.fid', $file->fid)
    ->execute()
    ->fetchField();
  $this->assertIdentical(FALSE, $count, 'Decrementing non-exist record complete.');
}