/
KnowledgePackageMetaDataTest.java
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/
KnowledgePackageMetaDataTest.java
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/*
* Copyright 2010 JBoss Inc
*
* Licensed 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
* limitations under the License.
*/
package org.drools.compiler.definitions;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import org.drools.core.definitions.rule.impl.GlobalImpl;
import org.drools.core.io.impl.ByteArrayResource;
import org.junit.Test;
import org.kie.internal.KnowledgeBase;
import org.kie.internal.KnowledgeBaseFactory;
import org.kie.internal.builder.KnowledgeBuilder;
import org.kie.internal.builder.KnowledgeBuilderFactory;
import org.kie.internal.definition.KnowledgePackage;
import org.kie.api.definition.rule.Query;
import org.kie.api.definition.type.FactField;
import org.kie.api.definition.type.FactType;
import org.kie.api.io.ResourceType;
public class KnowledgePackageMetaDataTest {
private String drl ="" +
"package org.drools.compiler.test.definitions \n" +
"import java.util.List; \n" +
"\n" +
"global Integer N; \n" +
"global List list; \n" +
"\n" +
"function void fun1() {}\n" +
"\n" +
"function String fun2( int j ) { return null; } \n" +
"\n" +
"declare Person\n" +
" name : String\n" +
" age : int\n" +
"end\n" +
"\n" +
"declare Foo extends Person\n" +
" bar : String\n" +
"end \n" +
"\n" +
"query qry1() \n" +
" Foo()\n" +
"end\n" +
"\n" +
"query qry2( String x )\n" +
" x := String()\n" +
"end\n" +
"\n" +
"rule \"rule1\"\n" +
"when\n" +
"then\n" +
"end\n" +
"\n" +
"rule \"rule2\"\n" +
"when\n" +
"then\n" +
"end";
@Test
public void testMetaData() {
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kBuilder.add( new ByteArrayResource( drl.getBytes() ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
fail( kBuilder.getErrors().toString() );
}
KnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
kBase.addKnowledgePackages( kBuilder.getKnowledgePackages() );
KnowledgePackage pack = kBase.getKnowledgePackage( "org.drools.compiler.test.definitions" );
assertNotNull( pack );
assertEquals( 2, pack.getFunctionNames().size() );
assertTrue( pack.getFunctionNames().contains( "fun1" ) );
assertTrue( pack.getFunctionNames().contains( "fun2" ) );
assertEquals( 2, pack.getGlobalVariables().size() );
GlobalImpl g1 = new GlobalImpl( "N", "java.lang.Integer" );
GlobalImpl g2 = new GlobalImpl( "list", "java.util.List" );
assertTrue( pack.getGlobalVariables().contains( g1 ) );
assertTrue( pack.getGlobalVariables().contains( g2 ) );
assertEquals( 2, pack.getFactTypes().size() );
FactType type;
for ( int j = 0; j < 2; j++ ) {
type = pack.getFactTypes().iterator().next();
if ( type.getName().equals( "org.drools.compiler.test.definitions.Person" ) ) {
assertEquals( 2, type.getFields().size() );
} else if (type.getName().equals( "org.drools.compiler.test.definitions.Foo" ) ) {
assertEquals( "org.drools.compiler.test.definitions.Person", type.getSuperClass() );
FactField fld = type.getField( "bar" );
assertEquals( 3, fld.getIndex() );
assertEquals( String.class, fld.getType() );
} else {
fail("Unexpected fact type " + type);
}
}
assertEquals( 2, pack.getQueries().size() );
for ( Query q : pack.getQueries() ) {
assertTrue( q.getName().equals( "qry1" ) || q.getName().equals( "qry2" ) );
}
assertEquals( 4, pack.getRules().size() );
assertTrue( pack.getRules().containsAll( pack.getQueries() ) );
}
}