public void Accept()
{
var termA = new FuzzyTerm("TermA", new MembershipFunction());
var termB = new FuzzyTerm("TermB", new MembershipFunction());
var varA = new FuzzyVariable("Variable A", null, termA);
var varB = new FuzzyVariable("Variable B", null, termB);
var mocks = new MockRepository();
var visitor = mocks.StrictMock<IExpressionVisitor<int>>();
var sut = new FuzzyImplication(new ValueExpression(varA, termA), new ValueExpression(varB, termB));
Expect.Call(visitor.Visit(sut)).Return(42);
mocks.ReplayAll();
var result = sut.Accept(visitor);
Assert.AreEqual(42, result);
mocks.VerifyAll();
}
public void ComplexExpression()
{
var A = new FuzzyVariable("A", new NumericVariable("a"));
var B = new FuzzyVariable("B", new NumericVariable("b"));
var C = new FuzzyVariable("C", new NumericVariable("c"));
var x = new FuzzyTerm("x", new MembershipFunction());
var y = new FuzzyTerm("y", new MembershipFunction());
var z = new FuzzyTerm("z", new MembershipFunction());
var ruleExpr = new FuzzyImplication(
new OrExpression(
new NotExpression(
new AndExpression(
new ValueExpression(A, x),
new ValueExpression(B, y)
)
),
new AndExpression(
new ValueExpression(A, y),
new ValueExpression(B, x)
)
),
new ValueExpression(C, z)
);
var sut = new GetInvolvedVariables();
var result = sut.Visit(ruleExpr);
Assert.AreEqual(3, result.Count);
Assert.IsTrue(result.Contains(A));
Assert.IsTrue(result.Contains(B));
Assert.IsTrue(result.Contains(C));
result = ruleExpr.Accept(sut);
Assert.AreEqual(3, result.Count);
Assert.IsTrue(result.Contains(A));
Assert.IsTrue(result.Contains(B));
Assert.IsTrue(result.Contains(C));
}
public void VisitRule()
{
var valueExpr1 =
new ValueExpression(
new FuzzyVariable("MyFuzzyVariable1", new NumericVariable("MyNumVariable1")),
new FuzzyTerm("MyTerm1", new MembershipFunction()));
var valueExpr2 =
new ValueExpression(
new FuzzyVariable("MyFuzzyVariable2", new NumericVariable("MyNumVariable2")),
new FuzzyTerm("MyTerm2", new MembershipFunction()));
var ruleExpr = new FuzzyImplication(valueExpr1, valueExpr2);
var sut = new ToStringVisitor();
var result = sut.Visit(ruleExpr);
Assert.AreEqual("MyFuzzyVariable1=MyTerm1 => MyFuzzyVariable2=MyTerm2", result);
result = ruleExpr.Accept(sut);
Assert.AreEqual("MyFuzzyVariable1=MyTerm1 => MyFuzzyVariable2=MyTerm2", result);
}
public void VisitRule()
{
var variable1 = new FuzzyVariable("MyFuzzyVariable1", new NumericVariable("MyNumVariable1"));
var variable2 = new FuzzyVariable("MyFuzzyVariable2", new NumericVariable("MyNumVariable2"));
var valueExpr1 =
new ValueExpression(
variable1,
new FuzzyTerm("MyTerm1", new MembershipFunction()));
var valueExpr2 =
new ValueExpression(
variable2,
new FuzzyTerm("MyTerm2", new MembershipFunction()));
var ruleExpr = new FuzzyImplication(valueExpr1, valueExpr2);
var sut = new GetInvolvedVariables();
var result = sut.Visit(ruleExpr);
Assert.AreEqual(2, result.Count);
Assert.IsTrue(result.Contains(variable1));
Assert.IsTrue(result.Contains(variable2));
result = ruleExpr.Accept(sut);
Assert.AreEqual(2, result.Count);
Assert.IsTrue(result.Contains(variable1));
Assert.IsTrue(result.Contains(variable2));
}
public void ComplexExpression()
{
var A = new FuzzyVariable("A", new NumericVariable("a"));
var B = new FuzzyVariable("B", new NumericVariable("b"));
var C = new FuzzyVariable("C", new NumericVariable("c"));
var x = new FuzzyTerm("x", new MembershipFunction());
var y = new FuzzyTerm("y", new MembershipFunction());
var z = new FuzzyTerm("z", new MembershipFunction());
var ruleExpr = new FuzzyImplication(
new OrExpression(
new NotExpression(
new AndExpression(
new ValueExpression(A, x),
new ValueExpression(B, y)
)
),
new AndExpression(
new ValueExpression(A, y),
new ValueExpression(B, x)
)
),
new ValueExpression(C, z)
);
var sut = new ToStringVisitor();
var result = sut.Visit(ruleExpr);
Assert.AreEqual("!( A=x && B=y ) || ( A=y && B=x ) => C=z", result);
result = ruleExpr.Accept(sut);
Assert.AreEqual("!( A=x && B=y ) || ( A=y && B=x ) => C=z", result);
}