public void AddNegativeFuel_ShouldBeRejected()
{
ConsumptionCalculator calculator = new ConsumptionCalculator();
calculator.Add(5.2f, -12.1f);
Assert.AreEqual(0, calculator.Consumptions.Count);
}
public void CalculateAverageWithoutData_ShouldBeZero()
{
ConsumptionCalculator calculator = new ConsumptionCalculator();
calculator.CalculateAverage();
Assert.AreEqual(0.0f, calculator.Average);
}
public void AddCorrectData_ShouldBeAdded()
{
ConsumptionCalculator calculator = new ConsumptionCalculator();
calculator.Add(120.0f, 8.9f);
Assert.AreEqual(1, calculator.Consumptions.Count);
}
public void CalculateAverageWithOneData_ShouldBeCorrect()
{
ConsumptionCalculator calculator = new ConsumptionCalculator();
calculator.Add(120.5f, 9.8f);
calculator.CalculateAverage();
Assert.AreEqual(8.13f, calculator.Average);
}
public void RemoveCorrectItem_ShouldBeRemoved()
{
ConsumptionCalculator calculator = new ConsumptionCalculator();
calculator.Add(120.5f, 9.8f);
calculator.Delete(calculator.Consumptions[0]);
Assert.AreEqual(0, calculator.Consumptions.Count);
}
public void Should_ThrowNullExecption_When_device_is_null()
{
var gazMock = new Mock <IGasKind>();
gazMock.Setup(p => p.GasConsumptionCoefficient).Returns(1);
var gaz = gazMock.Object;
Assert.Throws <NullReferenceException>(() => ConsumptionCalculator.GetAverageCoefficient(null, gaz));
}
public void CalculateAverageWithManyData_ShouldBeCorrect()
{
ConsumptionCalculator calculator = new ConsumptionCalculator();
for (int i = 1; i < 1000; i++)
{
calculator.Add(120.5f * i, 9.8f * i);
}
calculator.CalculateAverage();
Assert.AreEqual(8.13f, calculator.Average);
}
public void RemoveIncorrectItem_ShouldBeHandled()
{
Consumption consumption = new Consumption()
{
Distance = 120.5f, Fuel = 9.8f
};
ConsumptionCalculator calculator = new ConsumptionCalculator();
calculator.Add(120.5f, 9.8f);
calculator.Delete(consumption);
Assert.AreEqual(1, calculator.Consumptions.Count);
}
public void CalculateFeeTest()
{
string wendyJson = Resource.GetResourceAsString("Wendy.json");
var invoiceHistory = JsonUtil.DeserializeJson <Model.InvoiceHistory>(wendyJson);
var invoiceHistoryForAsserts = JsonUtil.DeserializeJson <Model.InvoiceHistory>(wendyJson);
var consumptionCalc = new ConsumptionCalculator(invoiceHistory);
var feeCalc = new FeeCalculator(invoiceHistory);
consumptionCalc.CalculateConsumption();
{
int invoiceId = 0; // balanced
feeCalc.CalculateFee(invoiceId);
AssertInvoicesFee(invoiceHistoryForAsserts.Invoices.GetInvoiceById(invoiceId), invoiceHistory.Invoices.GetInvoiceById(invoiceId));
}
{
int invoiceId = 14; // estimated
feeCalc.CalculateFee(invoiceId);
AssertInvoicesFee(invoiceHistoryForAsserts.Invoices.GetInvoiceById(invoiceId), invoiceHistory.Invoices.GetInvoiceById(invoiceId));
}
{
int invoiceId = 15; // estimated
feeCalc.CalculateFee(invoiceId);
AssertInvoicesFee(invoiceHistoryForAsserts.Invoices.GetInvoiceById(invoiceId), invoiceHistory.Invoices.GetInvoiceById(invoiceId));
}
{
int invoiceId = 16; // estimated
feeCalc.CalculateFee(invoiceId);
AssertInvoicesFee(invoiceHistoryForAsserts.Invoices.GetInvoiceById(invoiceId), invoiceHistory.Invoices.GetInvoiceById(invoiceId));
}
{
int invoiceId = 17; // balanced
feeCalc.CalculateFee(invoiceId);
AssertInvoicesFee(invoiceHistoryForAsserts.Invoices.GetInvoiceById(invoiceId), invoiceHistory.Invoices.GetInvoiceById(invoiceId));
}
}
public void CalculateConsumptionTest()
{
string wendyJson = Resource.GetResourceAsString("Wendy.json");
var invoiceHistory = JsonUtil.DeserializeJson <Model.InvoiceHistory>(wendyJson);
var consumptionCalc = new ConsumptionCalculator(invoiceHistory);
Assert.AreEqual(76U, consumptionCalc.CalculateConsumption(0));
Assert.AreEqual(76U, invoiceHistory.Invoices.GetInvoiceById(0).GetConsumption().Estimated);
Assert.AreEqual(76U, invoiceHistory.Invoices.GetInvoiceById(0).GetConsumption().Real);
Assert.AreEqual(48U, invoiceHistory.Invoices.GetInvoiceById(0).UserInvoices.GetInvoiceByOwner("Apartment A").GetConsumption().Estimated);
Assert.AreEqual(48U, invoiceHistory.Invoices.GetInvoiceById(0).UserInvoices.GetInvoiceByOwner("Apartment A").GetConsumption().Real);
Assert.AreEqual(28U, invoiceHistory.Invoices.GetInvoiceById(0).UserInvoices.GetInvoiceByOwner("Apartment B").GetConsumption().Estimated);
Assert.AreEqual(28U, invoiceHistory.Invoices.GetInvoiceById(0).UserInvoices.GetInvoiceByOwner("Apartment B").GetConsumption().Real);
Assert.AreEqual(15U, consumptionCalc.CalculateConsumption(1));
Assert.AreEqual(18U, invoiceHistory.Invoices.GetInvoiceById(1).GetConsumption().Estimated);
Assert.AreEqual(15U, invoiceHistory.Invoices.GetInvoiceById(1).GetConsumption().Real);
Assert.AreEqual(11U, invoiceHistory.Invoices.GetInvoiceById(1).UserInvoices.GetInvoiceByOwner("Apartment A").GetConsumption().Estimated);
Assert.AreEqual(9U, invoiceHistory.Invoices.GetInvoiceById(1).UserInvoices.GetInvoiceByOwner("Apartment A").GetConsumption().Real);
Assert.AreEqual(7U, invoiceHistory.Invoices.GetInvoiceById(1).UserInvoices.GetInvoiceByOwner("Apartment B").GetConsumption().Estimated);
Assert.AreEqual(6U, invoiceHistory.Invoices.GetInvoiceById(1).UserInvoices.GetInvoiceByOwner("Apartment B").GetConsumption().Real);
Assert.AreEqual(49U, consumptionCalc.CalculateConsumption(6));
Assert.AreEqual(74U, invoiceHistory.Invoices.GetInvoiceById(6).GetConsumption().Estimated);
Assert.AreEqual(49U, invoiceHistory.Invoices.GetInvoiceById(6).GetConsumption().Real);
Assert.AreEqual(42U, invoiceHistory.Invoices.GetInvoiceById(6).UserInvoices.GetInvoiceByOwner("Apartment A").GetConsumption().Estimated);
Assert.AreEqual(28U, invoiceHistory.Invoices.GetInvoiceById(6).UserInvoices.GetInvoiceByOwner("Apartment A").GetConsumption().Real);
Assert.AreEqual(32U, invoiceHistory.Invoices.GetInvoiceById(6).UserInvoices.GetInvoiceByOwner("Apartment B").GetConsumption().Estimated);
Assert.AreEqual(21U, invoiceHistory.Invoices.GetInvoiceById(6).UserInvoices.GetInvoiceByOwner("Apartment B").GetConsumption().Real);
Assert.AreEqual(75U, consumptionCalc.CalculateConsumption(8), "consumption for whole year from prev balanced invoice (0)");
Assert.AreEqual(75U, invoiceHistory.Invoices.GetInvoiceById(8).GetConsumption().Estimated);
Assert.AreEqual(75U, invoiceHistory.Invoices.GetInvoiceById(8).GetConsumption().Real);
Assert.AreEqual(43U, invoiceHistory.Invoices.GetInvoiceById(8).UserInvoices.GetInvoiceByOwner("Apartment A").GetConsumption().Estimated);
Assert.AreEqual(43U, invoiceHistory.Invoices.GetInvoiceById(8).UserInvoices.GetInvoiceByOwner("Apartment A").GetConsumption().Real);
Assert.AreEqual(32U, invoiceHistory.Invoices.GetInvoiceById(8).UserInvoices.GetInvoiceByOwner("Apartment B").GetConsumption().Estimated);
Assert.AreEqual(32U, invoiceHistory.Invoices.GetInvoiceById(8).UserInvoices.GetInvoiceByOwner("Apartment B").GetConsumption().Real);
}
public void CreateInstance_ShouldHaveNoItems()
{
ConsumptionCalculator calculator = new ConsumptionCalculator();
Assert.AreEqual(0, calculator.Consumptions.Count);
}
public void Should_ThrowInvalidParametersException_When_Device_is_null_In_Average()
{
Assert.Throws <NullReferenceException>(() => ConsumptionCalculator.GetAverageConsumption(null, null, 1000));
}
public void Should_ThrowInvalidParametersException_When_Device_is_null_In_Starting()
{
Assert.Throws <NullReferenceException>(() => ConsumptionCalculator.GetStartingConsumption(null, null));
}
public MainViewModel()
{
Calculator = new ConsumptionCalculator();
CmdAdd = new RelayCommand(() => Calculator.Add(Distance, Fuel));
}
