Serialize() public method

public Serialize ( ) : string
return string
        public void testEcheckSale()
        {
            echeckSale echecksale = new echeckSale();
            echecksale.orderId = "12345";
            echecksale.amount = 123456;
            echecksale.orderSource = orderSourceType.ecommerce;
            echeckType echeck = new echeckType();
            echeck.accType = echeckAccountTypeEnum.Checking;
            echeck.accNum = "12345657890";
            echeck.routingNum = "123456789";
            echeck.checkNum = "123455";
            echecksale.echeck = echeck;
            contact contact = new contact();
            contact.name = "Bob";
            contact.city = "lowell";
            contact.state = "MA";
            contact.email = "litle.com";
            echecksale.billToAddress = contact;

            batchRequest.addEcheckSale(echecksale);

            Assert.AreEqual(1, batchRequest.getNumEcheckSale());
            Assert.AreEqual(echecksale.amount, batchRequest.getSumOfEcheckSale());

            mockLitleFile.Verify(litleFile => litleFile.createRandomFile(It.IsAny<String>(), It.IsAny<String>(), It.IsAny<String>(), mockLitleTime.Object));
            mockLitleFile.Verify(litleFile => litleFile.AppendLineToFile(mockFilePath, echecksale.Serialize()));
        }