GetCashRegisterSummary_WithPercentageCoupon_WhenSuccess_WillReturnRegisterSummaryWithPercentageCalculatedSummary()
{
//Arrange
var mockCouponCode = "C001";
var mockTransactions = new List <TransactionItem>
{
new TransactionItem
{
ItemCode = "001",
ItemName = "Whole Wheat",
ItemType = ItemType.RiceAndFlour,
MeasurementType = MeasurementType.Weight,
UnitOfMeasurement = UnitOfMeasurement.Pounds,
UnitPrice = 3.49M,
NumberOfUnits = 2.5
},
new TransactionItem
{
ItemCode = "002",
ItemName = "Brown Rice",
ItemType = ItemType.RiceAndFlour,
MeasurementType = MeasurementType.Weight,
UnitOfMeasurement = UnitOfMeasurement.Pounds,
UnitPrice = 2.94M,
NumberOfUnits = 3
},
new TransactionItem
{
ItemCode = "006",
ItemName = "Sweet Potatoes",
ItemType = ItemType.FruitsAndVegetables,
MeasurementType = MeasurementType.Weight,
UnitOfMeasurement = UnitOfMeasurement.Pounds,
UnitPrice = 1.60M,
NumberOfUnits = 5
},
};
var mockCoupon = new Coupon
{
Code = "C001",
DiscountType = 1,
Percentage = 10
};
_mockCoupon.Setup(e => e.Get(mockCouponCode)).Returns(mockCoupon);
decimal expectedGrandTotal = 0.0m;
foreach (var item in mockTransactions)
{
expectedGrandTotal += (item.UnitPrice * (decimal)item.NumberOfUnits);
}
decimal expectedDiscountValue =
(expectedGrandTotal) * ((decimal)mockCoupon.Percentage / 100);
decimal expectedNetTotal = expectedGrandTotal - expectedDiscountValue;
//Act
var actualResult = CashRegisterManagerBO.GetCashRegisterSummary(mockTransactions, mockCouponCode);
//Assert
Assert.IsTrue(actualResult.Success == true &&
actualResult.CashRegisterSummary.GrandTotal == expectedGrandTotal &&
actualResult.CashRegisterSummary.DiscountTotal == expectedDiscountValue &&
actualResult.CashRegisterSummary.NetTotal == expectedNetTotal
);
}
GetCashRegisterSummary_WithFreeOnCountCoupon_WhenSuccess_WillReturnRegisterSummaryWithFreeOnCountCalculatedSummary()
{
//Arrange
var mockCouponCode = "C001";
var mockTransactions = new List <TransactionItem>
{
new TransactionItem
{
ItemCode = "001",
ItemName = "Whole Wheat",
ItemType = ItemType.RiceAndFlour,
MeasurementType = MeasurementType.Weight,
UnitOfMeasurement = UnitOfMeasurement.Pounds,
UnitPrice = 3.49M,
NumberOfUnits = 2.5
},
new TransactionItem
{
ItemCode = "003",
ItemName = "Tomato Sause 20 Oz",
ItemType = ItemType.OilAndSauses,
MeasurementType = MeasurementType.NumberOfUnits,
UnitOfMeasurement = UnitOfMeasurement.Count,
UnitPrice = 1.96M,
NumberOfUnits = 2
},
new TransactionItem
{
ItemCode = "004",
ItemName = "Extra Virgin Olive 22 Oz",
ItemType = ItemType.OilAndSauses,
MeasurementType = MeasurementType.NumberOfUnits,
UnitOfMeasurement = UnitOfMeasurement.Count,
UnitPrice = 9.97M,
NumberOfUnits = 4,
},
new TransactionItem
{
ItemCode = "005",
ItemName = "Low fat yogurt 20 Oz",
ItemType = ItemType.DairyProducts,
MeasurementType = MeasurementType.NumberOfUnits,
UnitOfMeasurement = UnitOfMeasurement.Count,
UnitPrice = 5.97M,
NumberOfUnits = 2
},
};
var mockCoupon = new Coupon
{
Code = "C103",
DiscountType = 2,
EligibleQuantity = 3,
DiscountQuantity = 1
};
_mockCoupon.Setup(e => e.Get(mockCouponCode)).Returns(mockCoupon);
decimal expectedGrandTotal = 0.0m;
foreach (var item in mockTransactions)
{
expectedGrandTotal += (item.UnitPrice * (decimal)item.NumberOfUnits);
}
decimal expectedDiscountTotal = (1.96m * 2) + (3.49m * 1);
decimal expectedNetTotal = expectedGrandTotal - expectedDiscountTotal;
//Act
var actualResult = CashRegisterManagerBO.GetCashRegisterSummary(mockTransactions, mockCouponCode);
//Assert
Assert.IsTrue(actualResult.Success == true &&
actualResult.CashRegisterSummary.GrandTotal == expectedGrandTotal &&
actualResult.CashRegisterSummary.DiscountTotal == expectedDiscountTotal &&
actualResult.CashRegisterSummary.NetTotal == expectedNetTotal
);
}