public void testAddAccountUpdate() { accountUpdate accountUpdate = new accountUpdate(); accountUpdate.reportGroup = "Planets"; accountUpdate.orderId = "12344"; cardType card = new cardType(); card.type = methodOfPaymentTypeEnum.VI; card.number = "4100000000000002"; card.expDate = "1210"; accountUpdate.card = card; batchRequest.addAccountUpdate(accountUpdate); Assert.AreEqual(1, batchRequest.getNumAccountUpdates()); mockLitleFile.Verify(litleFile => litleFile.createRandomFile(It.IsAny<String>(), It.IsAny<String>(), It.IsAny<String>(), mockLitleTime.Object)); mockLitleFile.Verify(litleFile => litleFile.AppendLineToFile(mockFilePath, accountUpdate.Serialize())); }