public void CalculateSectionProbability_NoScenarios_ReturnsNaN()
{
// Setup
FailureMechanismSection section = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
var sectionResult = new AdoptableWithProfileProbabilityFailureMechanismSectionResult(section);
var strategy = new SemiProbabilisticPipingFailureMechanismSectionResultCalculateProbabilityStrategy(
sectionResult, Enumerable.Empty <SemiProbabilisticPipingCalculationScenario>(),
new PipingFailureMechanism(), new AssessmentSectionStub());
// Call
double sectionProbability = strategy.CalculateSectionProbability();
// Assert
Assert.IsNaN(sectionProbability);
}
public void Constructor_ExpectedValues()
{
// Setup
var mocks = new MockRepository();
var assessmentSection = mocks.Stub <IAssessmentSection>();
mocks.ReplayAll();
FailureMechanismSection section = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
// Call
var strategy = new SemiProbabilisticPipingFailureMechanismSectionResultCalculateProbabilityStrategy(
new AdoptableWithProfileProbabilityFailureMechanismSectionResult(section), Enumerable.Empty <SemiProbabilisticPipingCalculationScenario>(),
new PipingFailureMechanism(), assessmentSection);
// Assert
Assert.IsInstanceOf <IFailureMechanismSectionResultCalculateProbabilityStrategy>(strategy);
mocks.VerifyAll();
}
public void CalculateProfileProbability_MultipleScenarios_ReturnsValueBasedOnRelevantScenarios()
{
// Setup
FailureMechanismSection section = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
var sectionResult = new AdoptableWithProfileProbabilityFailureMechanismSectionResult(section);
var calculationScenario1 = SemiProbabilisticPipingCalculationTestFactory.CreateCalculation <SemiProbabilisticPipingCalculationScenario>(section);
var calculationScenario2 = SemiProbabilisticPipingCalculationTestFactory.CreateCalculation <SemiProbabilisticPipingCalculationScenario>(section);
var calculationScenario3 = SemiProbabilisticPipingCalculationTestFactory.CreateCalculation <SemiProbabilisticPipingCalculationScenario>(section);
calculationScenario1.IsRelevant = true;
calculationScenario1.Contribution = (RoundedDouble)0.2111;
calculationScenario1.Output = PipingTestDataGenerator.GetSemiProbabilisticPipingOutput(1.1, 2.2, 3.3);
calculationScenario2.IsRelevant = true;
calculationScenario2.Contribution = (RoundedDouble)0.7889;
calculationScenario2.Output = PipingTestDataGenerator.GetSemiProbabilisticPipingOutput(4.4, 5.5, 6.6);
calculationScenario3.IsRelevant = false;
SemiProbabilisticPipingCalculationScenario[] calculations =
{
calculationScenario1,
calculationScenario2,
calculationScenario3
};
var strategy = new SemiProbabilisticPipingFailureMechanismSectionResultCalculateProbabilityStrategy(
sectionResult, calculations, new PipingFailureMechanism(), new AssessmentSectionStub());
// Call
double profileProbability = strategy.CalculateProfileProbability();
// Assert
Assert.AreEqual(9.2969543564512289E-16, profileProbability);
}
public void CalculateSectionProbability_MultipleScenariosForSectionWithLargeLength_ReturnsProbabilityEqualToOne()
{
// Setup
var section = new FailureMechanismSection("test", new[]
{
new Point2D(0, 0),
new Point2D(10000, 0)
});
SemiProbabilisticPipingFailureMechanismSectionResultCalculateProbabilityStrategy strategy = CreateStrategyForMultipleScenarios(section);
// Call
double sectionProbability = strategy.CalculateSectionProbability();
// Assert
Assert.AreEqual(1.0, sectionProbability);
}
public void CalculateSectionProbability_MultipleScenariosForSectionWithSmallLength_ReturnsValueBasedOnRelevantScenarios()
{
// Setup
var section = new FailureMechanismSection("test", new[]
{
new Point2D(0, 0),
new Point2D(1, 0)
});
SemiProbabilisticPipingFailureMechanismSectionResultCalculateProbabilityStrategy strategy = CreateStrategyForMultipleScenarios(section);
// Call
double sectionProbability = strategy.CalculateSectionProbability();
// Assert
Assert.AreEqual(0.98862377, sectionProbability, 1e-8);
}
