public void CalculateSectionProbability_NoScenarios_ReturnsNaN()
{
// Setup
FailureMechanismSection section = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
var sectionResult = new AdoptableWithProfileProbabilityFailureMechanismSectionResult(section);
var strategy = new GrassCoverErosionInwardsFailureMechanismSectionResultCalculateProbabilityStrategy(
sectionResult, Enumerable.Empty <GrassCoverErosionInwardsCalculationScenario>());
// Call
double sectionProbability = strategy.CalculateSectionProbability();
// Assert
Assert.IsNaN(sectionProbability);
}
public void CalculateSectionProbability_MultipleScenarios_ReturnsValueBasedOnRelevantScenarios()
{
// Setup
FailureMechanismSection section = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
var sectionResult = new AdoptableWithProfileProbabilityFailureMechanismSectionResult(section);
GrassCoverErosionInwardsCalculationScenario calculationScenario1 = GrassCoverErosionInwardsCalculationScenarioTestFactory.CreateGrassCoverErosionInwardsCalculationScenario(section);
GrassCoverErosionInwardsCalculationScenario calculationScenario2 = GrassCoverErosionInwardsCalculationScenarioTestFactory.CreateGrassCoverErosionInwardsCalculationScenario(section);
GrassCoverErosionInwardsCalculationScenario calculationScenario3 = GrassCoverErosionInwardsCalculationScenarioTestFactory.CreateGrassCoverErosionInwardsCalculationScenario(section);
calculationScenario1.IsRelevant = true;
calculationScenario1.Contribution = (RoundedDouble)0.2111;
calculationScenario1.Output = new GrassCoverErosionInwardsOutput(new TestOvertoppingOutput(1.1), null, null);
calculationScenario2.IsRelevant = true;
calculationScenario2.Contribution = (RoundedDouble)0.7889;
calculationScenario1.Output = new GrassCoverErosionInwardsOutput(new TestOvertoppingOutput(2.2), null, null);
calculationScenario3.IsRelevant = false;
GrassCoverErosionInwardsCalculationScenario[] calculationScenarios =
{
calculationScenario1,
calculationScenario2,
calculationScenario3
};
var strategy = new GrassCoverErosionInwardsFailureMechanismSectionResultCalculateProbabilityStrategy(
sectionResult, calculationScenarios);
// Call
double sectionProbability = strategy.CalculateSectionProbability();
// Assert
Assert.AreEqual(0.3973850177700996, sectionProbability);
}