private void setupTest(String consequence, Map<String, Object> namedConsequences) { builder = new MVELConsequenceBuilder(); InternalKnowledgePackage pkg = new KnowledgePackageImpl("org.drools.compiler.test"); pkg.addImport(new ImportDeclaration(Cheese.class.getCanonicalName())); KnowledgeBuilderConfigurationImpl conf = new KnowledgeBuilderConfigurationImpl(); KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl(pkg, conf); ruleDescr = new RuleDescr("test consequence builder"); ruleDescr.setConsequence(consequence); ruleDescr.addAttribute(new AttributeDescr("dialect", "mvel")); for (Entry<String, Object> entry : namedConsequences.entrySet()) { ruleDescr.addNamedConsequences(entry.getKey(), entry.getValue()); } RuleImpl rule = new RuleImpl(ruleDescr.getName()); rule.addPattern(new Pattern(0, new ClassObjectType(Cheese.class), "$cheese")); rule.addPattern(new Pattern(0, new ClassObjectType(Map.class), "$map")); PackageRegistry pkgRegistry = pkgBuilder.getPackageRegistry(pkg.getName()); DialectCompiletimeRegistry reg = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry(); context = new RuleBuildContext( pkgBuilder, ruleDescr, reg, pkg, reg.getDialect(pkgRegistry.getDialect())); context.getBuildStack().push(rule.getLhs()); context.getDialect().getConsequenceBuilder().build(context, RuleImpl.DEFAULT_CONSEQUENCE_NAME); for (String name : namedConsequences.keySet()) { context.getDialect().getConsequenceBuilder().build(context, name); } context.getDialect().addRule(context); pkgRegistry.getPackage().addRule(context.getRule()); pkgBuilder.compileAll(); pkgBuilder.reloadAll(); if (pkgBuilder.hasErrors()) { fail(pkgBuilder.getErrors().toString()); } }
@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); 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) { } assertEquals(10, cheddar.getPrice()); }