public void Check_Product_Comparison_Returns_Sorted_Result_Two_Products()
{
Mock <IProduct> productAMock = new Mock <IProduct>();
productAMock.SetupProperty(prod => prod.CalcAnnualCostFromConsumption, cons => cons);
productAMock.SetupProperty(prod => prod.Name, "Test");
Mock <IProduct> productBMock = new Mock <IProduct>();
productBMock.SetupProperty(prod => prod.CalcAnnualCostFromConsumption, cons => cons * 2);
productBMock.SetupProperty(prod => prod.Name, "Test");
var comparison = new ProdductComparison(new List <IProduct>()
{
productAMock.Object, productBMock.Object
});
var compResult = comparison.Evaluate(100);
Assert.Equal(compResult.First().AnnualCost, 100);
Assert.Equal(compResult.Last().AnnualCost, 200);
Assert.Equal(compResult.First().Name, "Test");
Assert.Equal(compResult.Last().Name, "Test");
Assert.Equal(compResult.Count(), 2);
}
static void Main(string[] args)
{
var comparison = new ProdductComparison(new List <Product>()
{
new Product()
{
Name = "basic electricity tariff",
CalcAnnualCostFromConsumption =
c => 12 * 5 + c * 0.22m
},
new Product()
{
Name = "Packaged tariff",
CalcAnnualCostFromConsumption =
c => 800 + ((c > 4000) ? (c - 4000) * 0.3m : 0)
},
});
Dump(comparison.Evaluate(3500));
Dump(comparison.Evaluate(4500));
Dump(comparison.Evaluate(6000));
}
public void Check_Product_Comparison_With_One_Product()
{
Mock <IProduct> productMock = new Mock <IProduct>();
productMock.SetupProperty(prod => prod.CalcAnnualCostFromConsumption, cons => cons);
productMock.SetupProperty(prod => prod.Name, "Test");
var comparison = new ProdductComparison(new List <IProduct>()
{
productMock.Object
});
var compResult = comparison.Evaluate(100);
Assert.Equal(compResult.First().AnnualCost, 100);
Assert.Equal(compResult.First().Name, "Test");
Assert.Equal(compResult.Count(), 1);
}
public void Check_Product_Comparison_Returns_Sorted_Result_Many_Products()
{
const int productsAmount = 100;
var prodList = new List <IProduct>(
Enumerable.Range(1, productsAmount).Select(i =>
{
var productMock = new Mock <IProduct>();
productMock.SetupProperty(prod =>
prod.CalcAnnualCostFromConsumption, cons => cons * i);
productMock.SetupProperty(prod => prod.Name, "Test");
return(productMock.Object);
})
);
var comparison = new ProdductComparison(prodList);
var compResult = comparison.Evaluate(1);
Assert.Equal(compResult.Select(pc => pc.AnnualCost),
Enumerable.Range(1, productsAmount).Select(i => (decimal)i));
}