public function testIndex()
{
$id = 11111;
$data = ['id' => $id, 'name' => 'The Guardians of the Galaxy', 'year' => 2015];
// Make sure the document doesn't exist.
if ($this->documentsManager->exists('movies', 'movies', $id)) {
$this->documentsManager->delete('movies', 'movies', $id);
}
$this->documentsManager->index('movies', 'movies', $data);
$this->assertTrue($this->documentsManager->exists('movies', 'movies', $id));
$this->assertEquals($data, $this->documentsManager->get('movies', 'movies', $id)['_source']);
}