InstaTax.Tests.TestRepository.ShouldSaveAndLoadTaxStatementWithHousingLoanInterest C# (CSharp) Метод

        public void ShouldSaveAndLoadTaxStatementWithHousingLoanInterest()
        {
            IRepository repository = new Repository();

            AnnualSalary salary = new AnnualSalary() { Basic = 10000, Epf = 2000, Hra = 6000, Id = "salary", ProfessionalTax = 200, SpecialAllowance = 5000, TaxDedeuctedAtSource = 5000 };
            TaxStatement taxStatement = new TaxStatement(salary, null);

            DonationsUnder80G donationsUnder80G = new DonationsUnder80G();
            donationsUnder80G.AddDonation(new HalfExemptDonation(20000));
            donationsUnder80G.AddDonation(new FullyExemptDonation(10000));

            OtherIncomes ois = new OtherIncomes();
            IList<OtherIncomeItem> items = new List<OtherIncomeItem>() { new OtherIncomeItem("Income from House Rent", 16000.0), new OtherIncomeItem("Income from Bank Account Interest", 6000.0) };
            foreach (OtherIncomeItem otherIncomeItem in items)
            {
                ois.Add(otherIncomeItem);
            }

            taxStatement.OtherIncomes = ois;

            taxStatement.DonationsUnder80G = donationsUnder80G;
            taxStatement.HousingLoanInterest = new HousingLoanInterest(10000);
            repository.Save(taxStatement);

            List<TaxStatement> taxStatements = repository.LoadAll<TaxStatement>();
            var loadedTaxStatement = taxStatements.FirstOrDefault(stmt => stmt.Id == taxStatement.Id);
            Assert.IsNotNull(loadedTaxStatement);
            Assert.IsNotNull(loadedTaxStatement.OtherIncomes);
            Assert.IsTrue(loadedTaxStatement.OtherIncomes.HasItems);
            Assert.AreEqual(2, loadedTaxStatement.OtherIncomes.Count);

            foreach (OtherIncomeItem otherIncomeItem in loadedTaxStatement.OtherIncomes.GetItems())
            {
                Assert.IsTrue(items.Contains(otherIncomeItem));
            }
            Assert.AreEqual(10000, loadedTaxStatement.HousingLoanInterest.Amount);
        }