public void CalculateAndDisplayE_GivenAllNeededVariables(bool advance, double m, double n, double p, double k0, double kn, double expectedE)
{
// Arrange
var mockObjects = MockFactories.GetMockObjects();
var vm = MockFactories.FinCalcViewModelWithCalculatorImplementationFactory(mockObjects);
// Since I am sharing the test data with the plain calculation tests I have to manually adjust this value:
expectedE *= -1;
// Act
if (advance)
{
FinCalcViewModelHelper.ExecuteDummyAction(vm, Ca.ToggleAdv);
}
FinCalcViewModelHelper.SetFinancialValue(vm, m, CommandWord.SetRatesPerAnnum);
FinCalcViewModelHelper.SetFinancialValue(vm, n, CommandWord.SetYears);
FinCalcViewModelHelper.SetFinancialValue(vm, p, CommandWord.SetNominalInterestRate);
FinCalcViewModelHelper.SetFinancialValue(vm, k0, CommandWord.SetStart);
FinCalcViewModelHelper.SetFinancialValue(vm, kn, CommandWord.SetEnd);
vm.RatePressedCommand.Execute(false);
// Assert
vm.DisplayNumber.Should().BeApproximately(expectedE, this.Tolerance);
}
public void CalculateAndDisplayN_GivenAllNeededVariables(double m, double p, double k0, double e, double kn, double expectedN)
{
// Arrange
var mockObjects = MockFactories.GetMockObjects();
var vm = MockFactories.FinCalcViewModelWithCalculatorImplementationFactory(mockObjects);
// Act
FinCalcViewModelHelper.SetFinancialValue(vm, m, CommandWord.SetRatesPerAnnum);
FinCalcViewModelHelper.SetFinancialValue(vm, p, CommandWord.SetNominalInterestRate);
FinCalcViewModelHelper.SetFinancialValue(vm, k0, CommandWord.SetStart);
FinCalcViewModelHelper.SetFinancialValue(vm, e, CommandWord.SetRate);
FinCalcViewModelHelper.SetFinancialValue(vm, kn, CommandWord.SetEnd);
vm.YearsPressedCommand.Execute(false);
// Assert
vm.DisplayNumber.Should().BeApproximately(expectedN, this.Tolerance);
}
public void ResetInputState_WhenPressedAfterSpecialFunction(Ca[] preOperations, Ca mainOperation, Ca[] postOperations, string expectedOutputTextAfterAllOperations)
{
// Arrange
var mockObjects = MockFactories.GetMockObjects();
var vm = MockFactories.FinCalcViewModelWithCalculatorImplementationFactory(mockObjects);
if (preOperations == null)
{
preOperations = System.Array.Empty <Ca>();
}
if (postOperations == null)
{
postOperations = System.Array.Empty <Ca>();
}
// Act
FinCalcViewModelHelper.ExecuteDummyActions(vm, preOperations.Concat(new[] { mainOperation }).Concat(postOperations).ToArray());
// Assert
vm.DisplayText.Should().Be(expectedOutputTextAfterAllOperations);
}
public void ShowExpectedOutputText_WhenBasicArithmeticIsPerformed(string expectedOutputTextAfterAllOperations, double expectedNumberAfterAllOperations, Ca[] actions) => FinCalcViewModelHelper.ExecuteDummyActionsAndCheckOutput(actions, expectedOutputTextAfterAllOperations, expectedNumberAfterAllOperations, this.Tolerance);
public void TriggerPercentCalculation_WhenAllConditionsAreMet(string expectedOutputTextAfterAllOperations, Ca[] actions) => FinCalcViewModelHelper.ExecuteDummyActionsAndCheckOutput(actions, expectedOutputTextAfterAllOperations);