cheddar.getPrice() );
}
@Test
public void testImperativeCodeError() throws Exception {
InternalKnowledgePackage pkg = new KnowledgePackageImpl( "pkg1" );
final RuleDescr ruleDescr = new RuleDescr( "rule 1" );
ruleDescr.setConsequence( "if (cheese.price == 10) { cheese.price = 5; }" );
Properties properties = new Properties();
properties.setProperty( "drools.dialect.default",
"mvel" );
KnowledgeBuilderConfigurationImpl cfg1 = new KnowledgeBuilderConfigurationImpl( properties );
KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl( pkg, cfg1 );
final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
PackageRegistry pkgRegistry = pkgBuilder.getPackageRegistry( pkg.getName() );
DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect( pkgRegistry.getDialect() );
final InstrumentedBuildContent context = new InstrumentedBuildContent( pkgBuilder,
ruleDescr,
dialectRegistry,
pkg,
mvelDialect );
final InstrumentedDeclarationScopeResolver declarationResolver = new InstrumentedDeclarationScopeResolver();
final ObjectType cheeseObjeectType = new ClassObjectType( Cheese.class );
final Pattern pattern = new Pattern( 0,
cheeseObjeectType );
final PatternExtractor extractor = new PatternExtractor( cheeseObjeectType );
final Declaration declaration = new Declaration( "cheese",
extractor,
pattern );
final Map<String, Declaration> map = new HashMap<String, Declaration>();
map.put( "cheese",
declaration );
declarationResolver.setDeclarations( map );
context.setDeclarationResolver( declarationResolver );
final MVELConsequenceBuilder builder = new MVELConsequenceBuilder();
builder.build( context, RuleImpl.DEFAULT_CONSEQUENCE_NAME );
InternalKnowledgeBase kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl)kBase.newStatefulKnowledgeSession();
final Cheese cheddar = new Cheese( "cheddar",
10 );
final InternalFactHandle f0 = (InternalFactHandle) ksession.insert( cheddar );
final LeftTupleImpl tuple = new LeftTupleImpl( f0,
null,
true );
final AgendaItem item = new AgendaItemImpl( 0,
tuple,
10,
null,
null, null, null);
final DefaultKnowledgeHelper kbHelper = new DefaultKnowledgeHelper( ksession );
kbHelper.setActivation( item );
try {
((MVELConsequence) context.getRule().getConsequence()).compile( (MVELDialectRuntimeData) pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectRuntimeRegistry().getDialectData( "mvel" ) );
context.getRule().getConsequence().evaluate( kbHelper,
ksession );
fail( "should throw an exception, as 'if' is not allowed" );
} catch ( Exception e ) {
}