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I would like to use drools-verifier to detect redundancy in my drl files. But drools-verifier can not detect redundancy even in simple drl. Maybe I do something wrong ;/.
Simple drl file:
rule "rule 1"
when
$person: Person(age==16, name=="Anna")
then
retract($person);
end
rule "rule 4"
when
$person: Person(age==16, name=="Anna")
then
retract($person);
end
And my test:
@Test
public void verifyRules() {
//given
VerifierBuilder vbuilder = VerifierBuilderFactory.newVerifierBuilder();
Verifier verifier = vbuilder.newVerifier();
verifier.addResourcesToVerify(new ClassPathResource("qualityVerification.drl", getClass()), ResourceType.DRL);
if (verifier.hasErrors()) {
for(VerifierError ve : verifier.getErrors()) {
System.out.println(ve.getMessage());
}
throw new RuntimeException("ERRORS ");
}
//when
verifier.fireAnalysis();
//then
VerifierReport report = verifier.getResult();
System.out.println(">>>>>>>>> ERRORS: ");
for(VerifierMessageBase vmb : report.getBySeverity(Severity.ERROR)) {
System.out.println(vmb + ". Type: " + vmb.getMessageType());
}
System.out.println(">>>>>>>>> WARNINGS: ");
for(VerifierMessageBase vmb : report.getBySeverity(Severity.WARNING)) {
System.out.println(vmb + ". Type: " + vmb.getMessageType());
}
System.out.println(">>>>>>>>> NOTES: ");
for(VerifierMessageBase vmb : report.getBySeverity(Severity.NOTE)) {
System.out.println(vmb + ". Type: " + vmb.getMessageType());
}
System.out.println(">>>>>>>>> MISSING RANGE: ");
for(MissingRange mr : report.getRangeCheckCauses()) {
System.out.println(mr);
}
}
OUTPUT:
>>>>>>>>> ERRORS:
>>>>>>>>> WARNINGS:
Warning id = 0:
faulty : LiteralRestriction from rule [rule 4] value '== Anna'
Rule base covers == Anna, but it is missing != Anna
Cause trace:
. Type: MISSING_EQUALITY
Warning id = 1:
faulty : LiteralRestriction from rule [rule 4] value '== 16'
Rule base covers == 16, but it is missing != 16
Cause trace:
. Type: MISSING_EQUALITY
Warning id = 2:
faulty : LiteralRestriction from rule [rule 1] value '== Anna'
Rule base covers == Anna, but it is missing != Anna
Cause trace:
. Type: MISSING_EQUALITY
Warning id = 3:
faulty : LiteralRestriction from rule [rule 1] value '== 16'
Rule base covers == 16, but it is missing != 16
Cause trace:
. Type: MISSING_EQUALITY
>>>>>>>>> NOTES:
>>>>>>>>> MISSING RANGE:
Gap: (Field 'age' from object type 'Person') Operator = '<' 16 from rule: [rule 4]
Gap: (Field 'age' from object type 'Person') Operator = '>' 16 from rule: [rule 4]
Gap: (Field 'age' from object type 'Person') Operator = '<' 16 from rule: [rule 1]
Gap: (Field 'age' from object type 'Person') Operator = '>' 16 from rule: [rule 1]
Is it a bug or I do something wrong?
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