/*
* 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.runtime.pipeline.impl;
import java.util.Map;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
import org.custommonkey.xmlunit.Diff;
import org.custommonkey.xmlunit.XMLAssert;
import org.custommonkey.xmlunit.XMLUnit;
import org.custommonkey.xmlunit.examples.RecursiveElementNameAndTextQualifier;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactory;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.io.ResourceFactory;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.runtime.pipeline.Action;
import org.drools.runtime.pipeline.KnowledgeRuntimeCommand;
import org.drools.runtime.pipeline.Pipeline;
import org.drools.runtime.pipeline.PipelineFactory;
import org.drools.runtime.pipeline.Transformer;
import org.drools.runtime.pipeline.impl.XStreamStatefulSessionTest.ResultHandlerImpl;
import org.drools.runtime.rule.FactHandle;
import com.thoughtworks.xstream.XStream;
public class XStreamFactTest {
@Before
public void setUp() throws Exception {
XMLUnit.setIgnoreComments( true );
XMLUnit.setIgnoreWhitespace( true );
XMLUnit.setIgnoreAttributeOrder( true );
XMLUnit.setNormalizeWhitespace( true );
XMLUnit.setNormalize( true );
}
private void assertXMLEqual(String expectedXml,
String resultXml) {
try {
Diff diff = new Diff( expectedXml,
resultXml );
diff.overrideElementQualifier( new RecursiveElementNameAndTextQualifier() );
XMLAssert.assertXMLEqual( diff,
true );
} catch ( Exception e ) {
throw new RuntimeException( "XML Assertion failure",
e );
}
}
@Test
public void testFact() throws Exception {
String xml = "";
xml += "<list>\n";
xml += " <example.OrderItem>\n";
xml += " <price>8.9</price>\n";
xml += " <productId>111</productId>\n";
xml += " <quantity>2</quantity>\n";
xml += " </example.OrderItem>\n";
xml += "</list>\n";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newClassPathResource( "test_XStreamDirectRoot.drl",
XStreamStatefulSessionTest.class ),
ResourceType.DRL );
assertFalse( kbuilder.hasErrors() );
assertFalse( kbuilder.hasErrors() );
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Action executeResultHandler = PipelineFactory.newExecuteResultHandler();
KnowledgeRuntimeCommand insertStage = PipelineFactory.newStatefulKnowledgeSessionInsert();
insertStage.setReceiver( executeResultHandler );
XStream xstream = new XStream();
Transformer transformer = PipelineFactory.newXStreamFromXmlTransformer( xstream );
transformer.setReceiver( insertStage );
Pipeline pipeline = PipelineFactory.newStatefulKnowledgeSessionPipeline( ksession );
pipeline.setReceiver( transformer );
ResultHandlerImpl resultHandler = new ResultHandlerImpl();
pipeline.insert( xml,
resultHandler );
FactHandle factHandle = ( FactHandle ) ((Map)resultHandler.getObject()).keySet().iterator().next();
assertNotNull( factHandle );
// now round trip that fact
Action executeResult = PipelineFactory.newExecuteResultHandler();
Action assignAsResult = PipelineFactory.newAssignObjectAsResult();
assignAsResult.setReceiver( executeResult );
transformer = PipelineFactory.newXStreamToXmlTransformer( xstream );
transformer.setReceiver( assignAsResult );
KnowledgeRuntimeCommand getObject = PipelineFactory.newStatefulKnowledgeSessionGetObject();
getObject.setReceiver( transformer );
pipeline = PipelineFactory.newStatefulKnowledgeSessionPipeline( ksession );
pipeline.setReceiver( getObject );
resultHandler = new ResultHandlerImpl();
pipeline.insert( factHandle, resultHandler );
assertXMLEqual( xml, (String) resultHandler.getObject() );
}
private static void assertEqualsIgnoreWhitespace(final String expected,
final String actual) {
final String cleanExpected = expected.replaceAll( "\\s+",
"" );
final String cleanActual = actual.replaceAll( "\\s+",
"" );
assertEquals( cleanExpected,
cleanActual );
}
}