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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
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package com.hp.hpl.jena.assembler.test;
import java.util.*;
import com.hp.hpl.jena.assembler.*;
import com.hp.hpl.jena.assembler.assemblers.RuleSetAssembler;
import com.hp.hpl.jena.rdf.model.*;
import com.hp.hpl.jena.reasoner.rulesys.Rule;
public class TestRuleSetAssembler extends AssemblerTestBase
{
public TestRuleSetAssembler( String name )
{ super( name ); }
@Override
protected Class<? extends Assembler> getAssemblerClass()
{ return RuleSetAssembler.class; }
public void testRuleSetVocabulary()
{
assertSubclassOf( JA.RuleSet, JA.HasRules );
assertDomain( JA.HasRules, JA.rule );
assertDomain( JA.HasRules, JA.rulesFrom );
assertDomain( JA.HasRules, JA.rules );
assertRange( JA.RuleSet, JA.rules );
}
public void testRuleSetAssemblerType()
{ testDemandsMinimalType( new RuleSetAssembler(), JA.RuleSet ); }
public void testEmptyRuleSet()
{
Assembler a = new RuleSetAssembler();
Resource root = resourceInModel( "x rdf:type ja:RuleSet" );
assertEquals( RuleSet.empty, a.open( root ) );
}
public void testSingleRuleString()
{
Assembler a = new RuleSetAssembler();
String ruleString = "[(?a P ?b) -> (?a Q ?b)]";
Resource root = resourceInModel( "x rdf:type ja:RuleSet; x ja:rule '" + ruleString.replaceAll( " ", "\\\\s" ) + "'" );
RuleSet rules = (RuleSet) a.open( root );
Set<Rule> expected = new HashSet<>( Rule.parseRules( ruleString ) );
assertEquals( expected, new HashSet<>( rules.getRules() ) );
}
public void testMultipleRuleStrings()
{
Assembler a = new RuleSetAssembler();
String ruleStringA = "[(?a P ?b) -> (?a Q ?b)]";
String ruleStringB = "[(?a R ?b) -> (?a S ?b)]";
Resource root = resourceInModel
( "x rdf:type ja:RuleSet"
+ "; x ja:rule '" + ruleStringA.replaceAll( " ", "\\\\s" ) + "'"
+ "; x ja:rule '" + ruleStringB.replaceAll( " ", "\\\\s" ) + "'"
);
RuleSet rules = (RuleSet) a.open( root );
Set<Rule> expected = new HashSet<>( Rule.parseRules( ruleStringA ) );
expected.addAll( Rule.parseRules( ruleStringB ) );
assertEquals( expected, new HashSet<>( rules.getRules() ) );
}
public void testRulesFrom()
{
Assembler a = new RuleSetAssembler();
String rulesA = file( "example.rules" );
Resource root = resourceInModel( "x rdf:type ja:RuleSet; x ja:rulesFrom " + rulesA );
Set<Rule> expected = new HashSet<>( Rule.rulesFromURL( rulesA ) );
RuleSet rules = (RuleSet) a.open( root );
assertEquals( expected, new HashSet<>( rules.getRules() ) );
}
public void testSubRules()
{
Assembler a = new RuleSetAssembler();
String ruleStringA = "[(?a P ?b) -> (?a Q ?b)]";
Resource root = resourceInModel
( "x rdf:type ja:RuleSet; x ja:rules y"
+ "; y rdf:type ja:RuleSet; y ja:rule '" + ruleStringA.replaceAll( " ", "\\\\s" ) + "'" );
Set<Rule> expected = new HashSet<>( Rule.parseRules( ruleStringA ) );
RuleSet rules = (RuleSet) a.open( root );
assertEquals( expected, new HashSet<>( rules.getRules() ) );
}
public void testTrapsBadRulesObject()
{
testTrapsBadRuleObject( "ja:rules", "'y'" );
testTrapsBadRuleObject( "ja:rulesFrom", "17" );
testTrapsBadRuleObject( "ja:rule", "aResource" );
testTrapsBadRuleObject( "ja:rule", "17" );
testTrapsBadRuleObject( "ja:rule", "'something'xsd:else" );
}
private void testTrapsBadRuleObject( String property, String value )
{
Assembler a = new RuleSetAssembler();
Resource root = resourceInModel
( "x rdf:type ja:RuleSet; x <property> <value>"
.replaceAll( "<property>", property ).replaceAll( "<value>", value )
);
try
{
a.open( root );
fail( "should trap bad rules object " + value + " for property " + property );
}
catch (BadObjectException e)
{
Model m = e.getRoot().getModel();
assertEquals( resource( "x" ), e.getRoot() );
assertEquals( rdfNode( m, value ), e.getObject() );
}
}
protected static String file( String name )
{ return "file:testing/modelspecs/" + name; }
}