function UsageTest::testGetUsage
Tests \Drupal\file\FileUsage\DatabaseFileUsageBackend::listUsage().
File
- 
              core/modules/ file/ tests/ src/ Kernel/ UsageTest.php, line 25 
Class
- UsageTest
- Tests file usage functions.
Namespace
Drupal\Tests\file\KernelCode
public function testGetUsage() : void {
  $file = $this->createFile();
  $connection = Database::getConnection();
  $connection->insert('file_usage')
    ->fields([
    'fid' => $file->id(),
    'module' => 'testing',
    'type' => 'foo',
    'id' => 1,
    'count' => 1,
  ])
    ->execute();
  $connection->insert('file_usage')
    ->fields([
    'fid' => $file->id(),
    'module' => 'testing',
    'type' => 'bar',
    'id' => 2,
    'count' => 2,
  ])
    ->execute();
  $usage = $this->container
    ->get('file.usage')
    ->listUsage($file);
  $this->assertCount(2, $usage['testing'], 'Returned the correct number of items.');
  $this->assertTrue(isset($usage['testing']['foo'][1]), 'Returned the correct id.');
  $this->assertTrue(isset($usage['testing']['bar'][2]), 'Returned the correct id.');
  $this->assertEquals(1, $usage['testing']['foo'][1], 'Returned the correct count.');
  $this->assertEquals(2, $usage['testing']['bar'][2], 'Returned the correct count.');
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
