package org.drools.rule.builder.dialect.java;
import java.io.StringReader;
import junit.framework.TestCase;
import org.drools.RuleBase;
import org.drools.RuleBaseFactory;
import org.drools.common.InternalWorkingMemory;
import org.drools.compiler.DialectCompiletimeRegistry;
import org.drools.compiler.PackageBuilder;
import org.drools.compiler.PackageBuilderConfiguration;
import org.drools.compiler.ReturnValueDescr;
import org.drools.lang.descr.ProcessDescr;
import org.drools.rule.Package;
import org.drools.rule.builder.ProcessBuildContext;
import org.drools.ruleflow.instance.RuleFlowProcessInstance;
import org.drools.workflow.core.impl.WorkflowProcessImpl;
import org.drools.workflow.instance.impl.ReturnValueConstraintEvaluator;
import org.drools.workflow.instance.node.SplitInstance;
public class JavaReturnValueConstraintEvaluatorBuilderTest extends TestCase {
public void setUp() {
}
public void testSimpleReturnValueConstraintEvaluator() throws Exception {
final Package pkg = new Package( "pkg1" );
ProcessDescr processDescr = new ProcessDescr();
processDescr.setClassName( "Process1" );
processDescr.setName( "Process1" );
WorkflowProcessImpl process = new WorkflowProcessImpl();
process.setName( "Process1" );
process.setPackageName( "pkg1" );
ReturnValueDescr descr = new ReturnValueDescr();
descr.setText( "return value;" );
PackageBuilder pkgBuilder = new PackageBuilder( pkg );
final PackageBuilderConfiguration conf = pkgBuilder.getPackageBuilderConfiguration();
DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
JavaDialect javaDialect = (JavaDialect) dialectRegistry.getDialect( "java" );
ProcessBuildContext context = new ProcessBuildContext( pkgBuilder,
pkg,
process,
processDescr,
dialectRegistry,
javaDialect );
pkgBuilder.addPackageFromDrl( new StringReader( "package pkg1;\nglobal Boolean value;" ) );
ReturnValueConstraintEvaluator node = new ReturnValueConstraintEvaluator();
final JavaReturnValueEvaluatorBuilder builder = new JavaReturnValueEvaluatorBuilder();
builder.build( context,
node,
descr,
null );
javaDialect.addProcess( context );
javaDialect.compileAll();
assertEquals( 0, javaDialect.getResults().size() );
final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkgBuilder.getPackage() );
final InternalWorkingMemory wm = (InternalWorkingMemory) ruleBase.newStatefulSession();
wm.setGlobal( "value",
true );
RuleFlowProcessInstance processInstance = new RuleFlowProcessInstance();
processInstance.setWorkingMemory( wm );
SplitInstance splitInstance = new SplitInstance();
splitInstance.setProcessInstance( processInstance );
assertTrue( node.evaluate( splitInstance,
null,
null ) );
wm.setGlobal( "value",
false );
assertFalse( node.evaluate( splitInstance,
null,
null ) );
}
}