private OrderBookEntry createOrderBookEntry() {
   OrderBookEntry orderBookEntry = new OrderBookEntry();
   orderBookEntry.setIdentifier(orderBookIdentifier.toString());
   orderBookEntry.setCompanyIdentifier(companyIdentifier.toString());
   orderBookEntry.setCompanyName(DEFAULT_COMPANY_NAME);
   return orderBookEntry;
 }
  @Test
  public void handleSellTransactionCancelledEvent() {
    TransactionEntry transactionEntry = new TransactionEntry();
    transactionEntry.setIdentifier(transactionIdentifier.toString());
    transactionEntry.setAmountOfExecutedItems(0);
    transactionEntry.setPricePerItem(DEFAULT_ITEM_PRICE);
    transactionEntry.setState(STARTED);
    transactionEntry.setAmountOfItems(DEFAULT_TOTAL_ITEMS);
    transactionEntry.setCompanyName(DEFAULT_COMPANY_NAME);
    transactionEntry.setOrderbookIdentifier(orderBookIdentifier.toString());
    transactionEntry.setPortfolioIdentifier(portfolioIdentifier.toString());
    transactionEntry.setType(SELL);

    Mockito.when(transactionQueryRepository.findOne(transactionIdentifier.toString()))
        .thenReturn(transactionEntry);
    SellTransactionCancelledEvent event =
        new SellTransactionCancelledEvent(
            transactionIdentifier, DEFAULT_TOTAL_ITEMS, DEFAULT_TOTAL_ITEMS);
    listener.handleEvent(event);
    Mockito.verify(transactionQueryRepository)
        .save(
            Matchers.argThat(
                new TransactionEntryMatcher(
                    DEFAULT_TOTAL_ITEMS,
                    0,
                    DEFAULT_COMPANY_NAME,
                    DEFAULT_ITEM_PRICE,
                    CANCELLED,
                    SELL)));
  }
  @Before
  public void setUp() throws Exception {
    transactionQueryRepository = Mockito.mock(TransactionQueryRepository.class);
    OrderBookQueryRepository orderBookQueryRepository =
        Mockito.mock(OrderBookQueryRepository.class);

    listener = new TransactionEventListener();
    listener.setTransactionQueryRepository(transactionQueryRepository);
    listener.setOrderBookQueryRepository(orderBookQueryRepository);

    Mockito.when(orderBookQueryRepository.findOne(orderBookIdentifier.toString()))
        .thenReturn(createOrderBookEntry());
  }