public void CanInsertNewTransactionWithANewAccountCategoryAndPayeeAndAllWillBeInserted()
        {
            DataHelper.NewDb();

            var service = new RentalsService();

            var transactionToAdd = new Transaction()
            {
                Date    = DateTime.Today,
                Amount  = 10.00m,
                Account = new Account()
                {
                    Name = "New Accoount", OpeningBalance = 0.00m
                },
                Payee = new Payee()
                {
                    Name = "New Payee", DefaultCategoryId = 1
                },
                Category = new Category()
                {
                    Name = "New Category", Type = CategoryType.Income
                },
                Reference = "Reference",
                Memo      = "Memo"
            };

            service.SaveNewTransaction(transactionToAdd);

            Assert.AreEqual(DataHelper.Transactions.Count + 1, service.GetNumberOfTransactions());
            Assert.AreEqual(DataHelper.Accounts.Count + 1, service.GetNumberOfAccounts());
            Assert.AreEqual(DataHelper.Payees.Count + 1, service.GetNumberOfPayees());
            Assert.AreEqual(DataHelper.Categories.Count + 1, service.GetNumberOfCategories());
        }
        public void CanGetNumberOfAccounts()
        {
            DataHelper.NewDb();

            var service = new RentalsService();

            Assert.AreEqual(DataHelper.Accounts.Count, service.GetNumberOfAccounts());
        }