public void CalculatePremiumOfSoldPolicy_ShouldCorrectlyCalculatePremiumWhenRiskValidityPeriodsAreSameWithPolicy() { var validFrom = DateTime.Now; var validTill = validFrom.AddMonths(6); var policyId = DEFAULT_OBJECT_NAME + validFrom.ToString(); RiskRepositoryMock.Setup(mock => mock.GetAll()).Returns(new List <RiskModel>() { new RiskModel() { YearlyPrice = 500.0m, ValidFrom = validFrom, ValidTill = validTill, PolicyId = policyId }, new RiskModel() { YearlyPrice = 800.0m, ValidFrom = validFrom, ValidTill = validTill, PolicyId = policyId } }); var premium = PremiumCalculator .CalculatePremiumOfSoldPolicy(DEFAULT_OBJECT_NAME, validFrom); Assert.AreEqual(651.48m, premium); }