public void No_duplicate_candidate_rules_should_be_returned_for_maximal_freq_itemsets_that_overlap()
{
//Given
IFact <string> factA;
IFact <string> factB;
IFact <string> factC;
IFact <string> factD;
factA = new MockSimpleFact("A");
factB = new MockSimpleFact("B");
factC = new MockSimpleFact("C");
factD = new MockSimpleFact("D");
var candidateRuleGenerator = new CandidateRuleGenerator <string>();
var freqItemSets = new List <ItemSet <IFact <string> > >()
{
new ItemSet <IFact <string> >(factA),
new ItemSet <IFact <string> >(factB),
new ItemSet <IFact <string> >(factC),
new ItemSet <IFact <string> >(factD),
new ItemSet <IFact <string> >(new List <IFact <string> >()
{
factA, factB
}),
new ItemSet <IFact <string> >(new List <IFact <string> >()
{
factA, factC
}),
new ItemSet <IFact <string> >(new List <IFact <string> >()
{
factB, factC
}),
new ItemSet <IFact <string> >(new List <IFact <string> >()
{
factB, factD
}),
new ItemSet <IFact <string> >(new List <IFact <string> >()
{
factC, factD
}),
new ItemSet <IFact <string> >(new List <IFact <string> >()
{
factA, factB, factC
}),
new ItemSet <IFact <string> >(new List <IFact <string> >()
{
factB, factC, factD
})
};
//When
var result = candidateRuleGenerator.GenerateCandidateRules(freqItemSets);
//Then
var rule = new AssociationRule <string>(new ItemSet <IFact <string> >(factB), new ItemSet <IFact <string> >(factC));
Assert.Equal(1, result.FindAll(x => x.Equals(rule)).Count);
}
public bool Equals(AssociationRule <T> that)
{
if (that == null)
{
return(false);
}
if (Left.Equals(that.Left) && Right.Equals(that.Right))
{
return(true);
}
else
{
return(false);
}
}
public override bool Equals(Object obj)
{
if (obj == null)
{
return(false);
}
AssociationRule <T> rule = obj as AssociationRule <T>;
if (rule == null)
{
return(false);
}
else
{
return(Equals(rule));
}
}