inputs: &[(1, 0, 0, inscription("image/png", "hello").to_witness())],
      ..Default::default()
    });
    let inscription_id = InscriptionId { txid, index: 0 };

    server.mine_blocks(1);

    server.assert_response_csp(
      format!("/preview/{inscription_id}"),
      StatusCode::OK,
      "default-src 'self' 'unsafe-inline'",
      format!(r".*background-image: url\(/content/{inscription_id}\);.*"),
    );
  }

  #[test]
  fn iframe_preview() {
    let server = TestServer::new_with_regtest();
    server.mine_blocks(1);

    let txid = server.bitcoin_rpc_server.broadcast_tx(TransactionTemplate {
      inputs: &[(
        1,
        0,
        0,
        inscription("text/html;charset=utf-8", "hello").to_witness(),
      )],
      ..Default::default()
    });

    server.mine_blocks(1);

    server.assert_response_csp(
      format!("/preview/{}", InscriptionId { txid, index: 0 }),
      StatusCode::OK,
      "default-src 'self' 'unsafe-eval' 'unsafe-inline' data: blob:",
      "hello",
    );
  }