From ec76d6cfbf5410fc90060667612461c1e8f3c111 Mon Sep 17 00:00:00 2001
From: Federico Igne <federico.igne@cs.ox.ac.uk>
Date: Fri, 4 Dec 2020 14:00:21 +0000
Subject: Rework skolemization strategies

In particular `ConstantRSA` has been removed, since it was *not* a
skolemization strategy. The case for extra atoms generation previously
handled by `ConstantRSA` is not dealt with inside the RSA check.
---
 .../scala/uk/ac/ox/cs/rsacomb/OWLAxiomSpec.scala   | 30 +++++++++++++---------
 1 file changed, 18 insertions(+), 12 deletions(-)

(limited to 'src/test/scala/uk/ac/ox/cs/rsacomb/OWLAxiomSpec.scala')

diff --git a/src/test/scala/uk/ac/ox/cs/rsacomb/OWLAxiomSpec.scala b/src/test/scala/uk/ac/ox/cs/rsacomb/OWLAxiomSpec.scala
index 8aee03d..d39dec7 100644
--- a/src/test/scala/uk/ac/ox/cs/rsacomb/OWLAxiomSpec.scala
+++ b/src/test/scala/uk/ac/ox/cs/rsacomb/OWLAxiomSpec.scala
@@ -36,7 +36,13 @@ import tech.oxfordsemantic.jrdfox.logic.expression.{
 import org.semanticweb.owlapi.model.{IRI => OWLIRI}
 import tech.oxfordsemantic.jrdfox.logic.expression.{IRI => RDFIRI}
 
-import uk.ac.ox.cs.rsacomb.converter.{RDFoxAxiomConverter, SkolemStrategy}
+import uk.ac.ox.cs.rsacomb.converter.{
+  RDFoxAxiomConverter,
+  SkolemStrategy,
+  NoSkolem,
+  Standard,
+  Constant
+}
 import uk.ac.ox.cs.rsacomb.util.RSA
 
 object OWLAxiomSpec {
@@ -172,7 +178,7 @@ object OWLAxiomSpec {
   def convertAxiom(
       axiom: OWLAxiom,
       term: Term,
-      skolem: SkolemStrategy = SkolemStrategy.None
+      skolem: SkolemStrategy = NoSkolem
   ): List[Rule] = {
     axiom.accept(RDFoxAxiomConverter(term, List()))
   }
@@ -210,13 +216,13 @@ class OWLAxiomSpec extends AnyFlatSpec with Matchers with LoneElement {
   // OWLSubClassOfAxiom #2 (w/ constant skolemization)
   (axiom_OWLSubClassOf2.toString + "\n(w/ constant skolemization)") should
     "be converted into a singleton List[Rule]" in {
-    val skolem = SkolemStrategy.Constant(axiom_OWLSubClassOf2.toString)
-    val result = convertAxiom(axiom_OWLSubClassOf2, term_x, skolem)
-    result.loneElement shouldBe a[Rule]
-  }
+      val skolem = Constant(axiom_OWLSubClassOf2.toString)
+      val result = convertAxiom(axiom_OWLSubClassOf2, term_x, skolem)
+      result.loneElement shouldBe a[Rule]
+    }
 
   it should "contain a single atom (Student[?x]) in the body of the rule" in {
-    val skolem = SkolemStrategy.Constant(axiom_OWLSubClassOf2.toString)
+    val skolem = Constant(axiom_OWLSubClassOf2.toString)
     val result = convertAxiom(axiom_OWLSubClassOf2, term_x, skolem)
     val body =
       TupleTableAtom.rdf(term_x, RDFIRI.RDF_TYPE, iri_Student.getIRIString)
@@ -237,13 +243,13 @@ class OWLAxiomSpec extends AnyFlatSpec with Matchers with LoneElement {
   // OWLSubClassOfAxiom #2 (w/ skolemization)
   (axiom_OWLSubClassOf2.toString + "\n(w/ skolemization)") should
     "be converted into a singleton List[Rule]" in {
-    val skolem = SkolemStrategy.Standard(axiom_OWLSubClassOf2.toString)
-    val result = convertAxiom(axiom_OWLSubClassOf2, term_x, skolem)
-    result.loneElement shouldBe a[Rule]
-  }
+      val skolem = Standard(axiom_OWLSubClassOf2.toString)
+      val result = convertAxiom(axiom_OWLSubClassOf2, term_x, skolem)
+      result.loneElement shouldBe a[Rule]
+    }
 
   it should "contain an atom (Student[?x]) in the body of the rule" in {
-    val skolem = SkolemStrategy.Standard(axiom_OWLSubClassOf2.toString)
+    val skolem = Standard(axiom_OWLSubClassOf2.toString)
     val result = convertAxiom(axiom_OWLSubClassOf2, term_x, skolem)
     val body =
       TupleTableAtom.rdf(term_x, RDFIRI.RDF_TYPE, iri_Student)
-- 
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