Alcaeus\MongoDbAdapter\Tests\Mongo\MongoGridFSFileTest::testFileProperty PHP Method

    public function testFileProperty()
    {
        $file = $this->getFile();
        $this->assertArrayHasKey('_id', $file->file);
        $this->assertArraySubset(['length' => 666, 'filename' => 'file', 'md5' => 'md5'], $file->file);
    }