public void GetLedgers()
{
var dictionary = new Dictionary <string, object>();
var service = new Mock <IBankLedgerService>();
service.SetupGet(x => x.DataBase).Returns(dictionary);
var ledgerService = new LedgerService(service.Object);
var account = new Account("testing", "password", "", null);
var badAccount = new Account(null, "password", "", null);
var depLedger = new Ledger(0, TransactionType.Deposit, 10);
var withLedger = new Ledger(0, TransactionType.Withdrawl, 10);
Assert.Throws <ArgumentException>(() => ledgerService.GetAllLedgers(null));
Assert.Throws <ArgumentException>(() => ledgerService.GetAllLedgers(badAccount));
Assert.IsNull(ledgerService.GetAllLedgers(account));
ledgerService.CreateLedger(account, depLedger);
ledgerService.CreateLedger(account, withLedger);
ledgerService.CreateLedger(account, depLedger);
ledgerService.CreateLedger(account, withLedger);
ledgerService.CreateLedger(account, depLedger);
ledgerService.CreateLedger(account, withLedger);
Assert.AreEqual(6, ledgerService.GetAllLedgers(account).Count);
ledgerService.CreateLedger(account, depLedger);
ledgerService.CreateLedger(account, withLedger);
Assert.AreEqual(8, ledgerService.GetAllLedgers(account).Count);
Assert.IsTrue(ledgerService.GetAllLedgers(account).Any(x => x.LedgerId == 8));
Assert.AreEqual(4, ledgerService.GetAllLedgers(account)
.Count(x => x.TransactionType == TransactionType.Deposit));
Assert.AreEqual(4, ledgerService.GetAllLedgers(account)
.Count(x => x.TransactionType == TransactionType.Withdrawl));
}