/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* 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.compiler;
import org.drools.compiler.builder.impl.KnowledgeBuilderImpl;
import org.drools.core.rule.TypeDeclaration;
import org.drools.core.rule.TypeDeclaration.Format;
import org.junit.Test;
import org.kie.api.definition.type.Position;
import org.kie.api.definition.type.Role;
import org.kie.api.io.ResourceType;
import org.kie.internal.builder.KnowledgeBuilder;
import org.kie.internal.builder.KnowledgeBuilderFactory;
import org.kie.internal.io.ResourceFactory;
import static org.junit.Assert.*;
public class TypeDeclarationMergingTest {
@Test
public void testMask() {
TypeDeclaration tdeclr = new TypeDeclaration(CImpl.class.getName() );
assertEquals( 0, tdeclr.getSetMask() );
tdeclr.setRole( Role.Type.EVENT );
assertEquals( TypeDeclaration.ROLE_BIT, tdeclr.getSetMask() & TypeDeclaration.ROLE_BIT );
assertFalse( TypeDeclaration.TYPESAFE_BIT == ( tdeclr.getSetMask() & TypeDeclaration.TYPESAFE_BIT ) );
assertFalse( TypeDeclaration.FORMAT_BIT == ( tdeclr.getSetMask() & TypeDeclaration.FORMAT_BIT ) );
tdeclr.setTypesafe( false );
assertEquals( TypeDeclaration.ROLE_BIT, tdeclr.getSetMask() & TypeDeclaration.ROLE_BIT );
assertEquals( TypeDeclaration.TYPESAFE_BIT, tdeclr.getSetMask() & TypeDeclaration.TYPESAFE_BIT );
assertFalse( TypeDeclaration.FORMAT_BIT == ( tdeclr.getSetMask() & TypeDeclaration.FORMAT_BIT ) );
tdeclr = new TypeDeclaration(CImpl.class.getName() );
tdeclr.setTypesafe( true );
assertFalse( TypeDeclaration.ROLE_BIT == ( tdeclr.getSetMask() & TypeDeclaration.ROLE_BIT ) );
assertEquals( TypeDeclaration.TYPESAFE_BIT, tdeclr.getSetMask() & TypeDeclaration.TYPESAFE_BIT );
assertFalse( TypeDeclaration.FORMAT_BIT == ( tdeclr.getSetMask() & TypeDeclaration.FORMAT_BIT ) );
tdeclr.setFormat( Format.POJO );
assertFalse( TypeDeclaration.ROLE_BIT == ( tdeclr.getSetMask() & TypeDeclaration.ROLE_BIT ) );
assertEquals( TypeDeclaration.TYPESAFE_BIT, tdeclr.getSetMask() & TypeDeclaration.TYPESAFE_BIT );
assertEquals( TypeDeclaration.FORMAT_BIT, tdeclr.getSetMask() & TypeDeclaration.FORMAT_BIT );
}
@Test
public void testOverrideFromParentClass() {
// inherits role, but not typesafe
String str = ""+
"package org.drools.compiler.test \n" +
"global java.util.List list \n" +
"declare " + CImpl.class.getCanonicalName() + "\n" +
" @typesafe(true)\n" +
" @role(event)\n" +
"end\n" +
"declare " + DImpl.class.getCanonicalName() + "\n" +
" @typesafe(false)\n" +
"end\n";
KnowledgeBuilderImpl builder = getPackageBuilder( str );
TypeDeclaration tdecl = builder.getTypeDeclaration( DImpl.class );
assertEquals( false, tdecl.isTypesafe() );
assertEquals( Role.Type.EVENT, tdecl.getRole() );
}
@Test
public void testInheritNoneExitenceFromParentClass() {
// inherits role and typesafe
String str = ""+
"package org.drools.compiler.test \n" +
"global java.util.List list \n" +
"declare " + CImpl.class.getCanonicalName() + "\n" +
" @typesafe(true)\n" +
" @role(event)\n" +
"end\n";
KnowledgeBuilderImpl builder = getPackageBuilder( str );
TypeDeclaration tdecl = builder.getTypeDeclaration( DImpl.class );
assertEquals( true, tdecl.isTypesafe() );
assertEquals( Role.Type.EVENT, tdecl.getRole() );
}
@Test
public void testInheritExitenceFromParentClass() {
// inherits role and typesafe
String str = ""+
"package org.drools.compiler.test \n" +
"global java.util.List list \n" +
"declare " + CImpl.class.getCanonicalName() + "\n" +
" @typesafe(true)\n" +
" @role(event)\n" +
"end\n" +
"declare " + DImpl.class.getCanonicalName() + "\n" +
"end\n";
KnowledgeBuilderImpl builder = getPackageBuilder( str );
TypeDeclaration tdecl = builder.getTypeDeclaration( DImpl.class );
assertEquals( true, tdecl.isTypesafe() );
assertEquals( Role.Type.EVENT, tdecl.getRole() );
}
@Test
public void testOverrideFromParentInterface() {
// inherits role but not typesafe
String str = ""+
"package org.drools.compiler.test \n" +
"global java.util.List list \n" +
"declare " + IB.class.getCanonicalName() + "\n" +
" @typesafe(true)\n" +
" @role(event)\n" +
"end\n" +
"declare " + DImpl.class.getCanonicalName() + "\n" +
" @typesafe(false)\n" +
"end\n";
KnowledgeBuilderImpl builder = getPackageBuilder( str );
TypeDeclaration tdecl = builder.getTypeDeclaration( DImpl.class );
assertEquals( false, tdecl.isTypesafe() );
assertEquals( Role.Type.EVENT, tdecl.getRole() );
}
@Test
public void testOverrideFromDeeperParentInterface() {
// inherits role but not typesafe
String str = ""+
"package org.drools.compiler.test \n" +
"global java.util.List list \n" +
"declare " + IA.class.getCanonicalName() + "\n" +
" @typesafe(true)\n" +
" @role(event)\n" +
"end\n" +
"declare " + DImpl.class.getCanonicalName() + "\n" +
" @typesafe(false)\n" +
"end\n";
KnowledgeBuilderImpl builder = getPackageBuilder( str );
TypeDeclaration tdecl = builder.getTypeDeclaration( DImpl.class );
assertEquals( false, tdecl.isTypesafe() );
assertEquals( Role.Type.EVENT, tdecl.getRole() );
}
@Test
public void testOverrideFromDeeperHierarchyParentInterface() {
// inherits role from and typesafe from the other
String str = ""+
"package org.drools.compiler.test \n" +
"global java.util.List list \n" +
"declare " + IA.class.getCanonicalName() + "\n" +
" @typesafe(true)\n" +
" @role(event)\n" +
"end\n" +
"declare " + IB.class.getCanonicalName() + "\n" +
" @role(fact)\n" +
"end\n" +
"declare " + DImpl.class.getCanonicalName() + "\n" +
"end\n";
KnowledgeBuilderImpl builder = getPackageBuilder( str );
TypeDeclaration tdecl = builder.getTypeDeclaration( DImpl.class );
assertEquals( true, tdecl.isTypesafe() );
assertEquals( Role.Type.FACT, tdecl.getRole() );
}
@Test
public void testInheritNoneExitenceFromParentInterface() {
// inherits role and typesafe
String str = ""+
"package org.drools.compiler.test \n" +
"global java.util.List list \n" +
"declare " + IB.class.getCanonicalName() + "\n" +
" @typesafe(true)\n" +
" @role(event)\n" +
"end\n";
KnowledgeBuilderImpl builder = getPackageBuilder( str );
TypeDeclaration tdecl = builder.getTypeDeclaration( DImpl.class );
assertEquals( true, tdecl.isTypesafe() );
assertEquals( Role.Type.EVENT, tdecl.getRole() );
}
@Test
public void testInheritExitenceFromParentInterface() {
// inherits role and typesafe
String str = ""+
"package org.drools.compiler.test \n" +
"global java.util.List list \n" +
"declare " + IB.class.getCanonicalName() + "\n" +
" @typesafe(true)\n" +
" @role(event)\n" +
"end\n" +
"declare " + DImpl.class.getCanonicalName() + "\n" +
"end\n";
KnowledgeBuilderImpl builder = getPackageBuilder( str );
TypeDeclaration tdecl = builder.getTypeDeclaration( DImpl.class );
assertEquals( true, tdecl.isTypesafe() );
assertEquals( Role.Type.EVENT, tdecl.getRole() );
}
@Test
public void testOverrideFromMixedHierarchyParentInterface() {
// inherits role from and typesafe from the other
String str = ""+
"package org.drools.compiler.test \n" +
"global java.util.List list \n" +
"declare " + IA.class.getCanonicalName() + "\n" +
" @typesafe(true)\n" +
" @role(event)\n" +
"end\n" +
"declare " + CImpl.class.getCanonicalName() + "\n" +
" @role(fact)\n" +
"end\n" +
"declare " + DImpl.class.getCanonicalName() + "\n" +
"end\n";
KnowledgeBuilderImpl builder = getPackageBuilder( str );
TypeDeclaration tdecl = builder.getTypeDeclaration( DImpl.class );
assertEquals( true, tdecl.isTypesafe() );
assertEquals( Role.Type.FACT, tdecl.getRole() );
}
private KnowledgeBuilderImpl getPackageBuilder(String str) {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL );
if ( kbuilder.hasErrors() ) {
fail( kbuilder.getErrors().toString() );
}
return (KnowledgeBuilderImpl)kbuilder;
}
@Test
public void testNotOverwritePOJOMetadata() {
final String eventClassName = PositionAnnotatedEvent.class.getCanonicalName();
// should add metadata to metadata already defined in POJO
String str =
"package org.drools.compiler.test \n" +
"declare " + eventClassName + "\n" +
" @role(event)\n" +
"end \n" +
"rule 'sample rule' \n" +
"when \n" +
" " + eventClassName + "( 'value1', 'value2'; ) \n" +
"then \n" +
"end \n";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
try {
kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ),
ResourceType.DRL );
} catch (IndexOutOfBoundsException e) {
final String msg = e.getMessage();
if ( "Error trying to access field at position 0".equals( msg ) ) {
fail( "@Position declared in POJO was ignored." );
} else {
fail( "Check the test, unexpected error message: " + msg );
}
}
assertFalse( "Check the test, unexpected error message: "
+ kbuilder.getErrors(), kbuilder.hasErrors());
}
public static class PositionAnnotatedEvent {
@Position(1)
private String arg1;
@Position(0)
private String arg0;
public String getArg1() {
return arg1;
}
public String getArg0() {
return arg0;
}
public void setArg1( String arg1 ) {
this.arg1 = arg1;
}
public void setArg0( String arg0 ) {
this.arg0 = arg0;
}
}
}