      )],
      ..Default::default()
    });
    let inscription_id = InscriptionId { txid, index: 0 };

    server.mine_blocks(1);

    server.assert_response_regex(
      format!("/preview/{inscription_id}"),
      StatusCode::OK,
      format!(r".*<canvas data-inscription={inscription_id}></canvas>.*"),
    );
  }

  #[test]
  fn markdown_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/markdown", "hello").to_witness())],
      ..Default::default()
    });
    let inscription_id = InscriptionId { txid, index: 0 };

    server.mine_blocks(1);

    server.assert_response_regex(
      format!("/preview/{inscription_id}"),
      StatusCode::OK,
      format!(r".*<html lang=en data-inscription={inscription_id}>.*"),
    );
  }

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

    let txid = server.bitcoin_rpc_server.broadcast_tx(TransactionTemplate {