package org.drools.agent;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.Writer;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactory;
import org.drools.io.ResourceFactory;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.runtime.rule.QueryResults;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Removes a query from kbase using kagent and incremental changeset build.
*/
public class QueryRemotionTest extends BaseKnowledgeAgentTest {
@Test
public void testRemoveQueryChangeSet() throws Exception {
this.fileManager.write("rules.drl", this.createCommonQuery("all the Strings", new String[]{"$strings : String()"}));
String xml = "";
xml += "<change-set xmlns='http://drools.org/drools-5.0/change-set'";
xml += " xmlns:xs='http://www.w3.org/2001/XMLSchema-instance'";
xml += " xs:schemaLocation='http://drools.org/drools-5.0/change-set http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-api/src/main/resources/change-set-1.0.0.xsd' >";
xml += " <add> ";
xml += " <resource source='http://localhost:" + this.getPort() + "/rules.drl' type='DRL' />";
xml += " </add> ";
xml += "</change-set>";
File fxml = fileManager.write( "changeset.xml",
xml );
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
KnowledgeAgent kagent = this.createKAgent(kbase, false);
this.applyChangeSet(kagent, ResourceFactory.newUrlResource(fxml.toURI().toURL()));
assertEquals(1, kbase.getKnowledgePackages().iterator().next().getRules().size());
assertTrue(kbase.getKnowledgePackages().iterator().next().getRules().iterator().next().getName().equals("all the Strings"));
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.insert("Some String");
QueryResults queryResults = ksession.getQueryResults("all the Strings");
assertTrue(queryResults.size() == 1);
assertTrue(queryResults.iterator().next().get("$strings").equals("Some String"));
this.fileManager.write("rules.drl", this.createCommonQuery("all the Strings 2", new String[]{"$strings : String()"}));
this.scan(kagent);
assertEquals(1, kbase.getKnowledgePackages().iterator().next().getRules().size());
assertTrue(kbase.getKnowledgePackages().iterator().next().getRules().iterator().next().getName().equals("all the Strings 2"));
queryResults = ksession.getQueryResults("all the Strings 2");
assertTrue(queryResults.size() == 1);
assertTrue(queryResults.iterator().next().get("$strings").equals("Some String"));
ksession.dispose();
}
}