internal void Build_WithComplexCondition_ReturnsExpectedFuzzyRule()
{
// Arrange
var waterTemp = StubLinguisticVariableFactory.WaterTemp();
// Act
var rule1 = new FuzzyRuleBuilder("Rule1")
.If(ConditionBuilder
.If(waterTemp.Is("cold"))
.And(waterTemp.Not("freezing"))
.Or(waterTemp.Not("frozen")))
.And(ConditionBuilder
.If(waterTemp.Is("warm"))
.And(waterTemp.Not("hot"))
.Or(waterTemp.Not("boiling")))
.And(ConditionBuilder
.If(waterTemp.Is("frozen"))
.And(waterTemp.Is("warm")))
.Then(waterTemp.Not("frozen"))
.Build();
var dataPoint = new DataPoint(waterTemp.Subject, 20);
var data = new Dictionary <Label, DataPoint> {
{ dataPoint.Variable, dataPoint }
};
var result = rule1.Evaluate(data, new FuzzyEvaluator());
var temp = waterTemp.GetState(2);
// Assert
//Assert.Equal(new FuzzyState("warm"), temp);
//Assert.True(result);
}
internal void Evaluate_ValidRuleAndConditions_ReturnsExpectedFuzzyOutput()
{
// Arrange
var waterTemp = StubLinguisticVariableFactory.WaterTemp();
var fanSpeed = StubLinguisticVariableFactory.PumpSpeed();
var fuzzyRule = new FuzzyRuleBuilder(PumpSpeedRule.Rule0)
.If(ConditionBuilder.If(waterTemp.Is(WaterTemp.Frozen)))
.Or(ConditionBuilder.If(waterTemp.Is(WaterTemp.Freezing)))
.Then(fanSpeed.Is(PumpSpeed.Off))
.Build();
var dataPoint = new DataPoint(waterTemp.Subject, 0);
var data = new Dictionary <Label, DataPoint> {
{ dataPoint.Variable, dataPoint }
};
// Act
var result = fuzzyRule.Evaluate(data, new FuzzyEvaluator());
// Assert
Assert.Equal(fanSpeed.Subject, result[0].Subject);
Assert.Equal(fanSpeed.GetState(0), result[0].State);
Assert.Equal(UnitInterval.One(), result[0].FiringStrength);
Assert.Equal(fanSpeed.GetSet(PumpSpeed.Off), result[0].OutputFunction);
}