public void DefaultInstanceIsValid()
{
// Arrange
// Act
var model = new IndexViewModel();
// Assert
Assert.True(ModelIsValid(model));
}
public void ConstructorSetsDefaultValueForPayoffForCooperateAndCooperate()
{
// Arrange
// Act
var model = new IndexViewModel();
// Assert
Assert.Equal(3, model.PayoffForCooperateAndCooperate);
}
public void ConstructorSetsDefaultValueForPayoffForDefectAndDefect()
{
// Arrange
// Act
var model = new IndexViewModel();
// Assert
Assert.Equal(1, model.PayoffForDefectAndDefect);
}
public void ConstructorSetsDefaultValueForNumberOfRounds()
{
// Arrange
// Act
var model = new IndexViewModel();
// Assert
Assert.Equal<uint>(10, model.NumberOfRounds);
}
public void IndexPostActionReturnsViewResultWithModelSetToInstanceSupplied()
{
// Arrange
var homeController = new HomeController();
var indexViewModel = new IndexViewModel();
// Act
var viewResult = homeController.Index(indexViewModel);
// Assert
Assert.Same(indexViewModel, viewResult.Model);
}
public ViewResult Index(IndexViewModel model)
{
// Only perform the simulation when the data that was entered was valid
if (ModelState.IsValid)
{
// Create the fitness evaluator using the configuration specified by the user
var fitnessEvaluator = new CooperationStrategiesFitnessEvaluator
{
NumberOfRounds = model.NumberOfRounds,
CooperationChoicesPayoff =
{
PayoffForCooperateAndCooperate = model.PayoffForCooperateAndCooperate,
PayoffForCooperateAndDefect = model.PayoffForCooperateAndDefect,
PayoffForDefectAndCooperate = model.PayoffForDefectAndCooperate,
PayoffForDefectAndDefect = model.PayoffForDefectAndDefect
}
};
// Evaluate the fitness of the strategies
model.StrategyFitnesses = fitnessEvaluator.Evaluate();
}
return this.View(model);
}
public void ModelWithNumberOfRoundsOutOfRangeIsNotValid(uint numberOfRounds)
{
// Arrange
var model = new IndexViewModel();
// Act
model.NumberOfRounds = numberOfRounds;
// Assert
Assert.False(ModelIsValid(model));
}
private static bool ModelIsValid(IndexViewModel model)
{
return Validator.TryValidateObject(model, new ValidationContext(model, null, null), null, true);
}
public void IndexPostActionWithValidModelRunsSimulationWithSuppliedValues()
{
// Arrange
var homeController = new HomeController();
// We create a model with values all different from the default. That way
// we can know for sure if those values are used
var indexViewModel = new IndexViewModel
{
NumberOfRounds = 50,
PayoffForCooperateAndCooperate = 10,
PayoffForCooperateAndDefect = 11,
PayoffForDefectAndCooperate = 12,
PayoffForDefectAndDefect = 13
};
// Act
var viewResult = homeController.Index(indexViewModel);
// Assert
var viewResultModel = (IndexViewModel)viewResult.Model;
Assert.Equal(3, viewResultModel.StrategyFitnesses.Count);
Assert.Equal(2050, viewResultModel.StrategyFitnesses[0].TotalPayoff);
Assert.Equal(2549, viewResultModel.StrategyFitnesses[1].TotalPayoff);
Assert.Equal(2148, viewResultModel.StrategyFitnesses[2].TotalPayoff);
}