Rewrite DynamicRulesTest.testDynamicFunction

    @Ignore("Fails with standard-drl after changing to new API")
    @Test(timeout=10000)
    public void testDynamicFunction() throws Exception {
        // TODO: Fails with standard-drl after changing to new API. File a JIRA

        //JBRULES-1258 serialising a package breaks function removal -- left the serialisation commented out for now
//        Collection<KiePackage> kpkgs = SerializationHelper.serializeObject( loadKnowledgePackages(  "test_DynamicFunction1.drl" ) );
        Collection<KiePackage> kpkgs = KieBaseUtil.getKieBaseFromClasspathResources("tmp", getClass(), kieBaseTestConfiguration, "test_DynamicFunction1.drl").getKiePackages();
       
//        InternalKnowledgeBase kbase = (InternalKnowledgeBase) loadKnowledgeBase( );
        InternalKnowledgeBase kbase = (InternalKnowledgeBase)KieBaseUtil.getKieBaseFromClasspathResources("test", getClass(), kieBaseTestConfiguration);

        kbase.addPackages( kpkgs );
//        kbase = SerializationHelper.serializeObject( kbase );
       
//        final KieSession workingMemory = createKnowledgeSession( kbase );
        KieSession workingMemory = kbase.newKieSession();

        final List<?> list = new ArrayList<Object>();
        workingMemory.setGlobal( "list",
                                 list );

        final Cheese stilton = new Cheese( "stilton",
                                           5 );
        workingMemory.insert( stilton );

        workingMemory.fireAllRules();

        assertEquals( new Integer( 5 ),
                      list.get( 0 ) );

        // Check a function can be removed from a package.
        // Once removed any efforts to use it should throw an Exception
        kbase.removeFunction( "org.drools.mvel.compiler.test",
                              "addFive" );

        final Cheese cheddar = new Cheese( "cheddar",
                                           5 );
        workingMemory.insert( cheddar );

        try {
            workingMemory.fireAllRules();
            fail( "Function should have been removed and NoClassDefFoundError thrown from the Consequence" );
        } catch ( final Throwable e ) {
        }

        // Check a new function can be added to replace an old function
//        Collection<KiePackage> kpkgs2 = SerializationHelper.serializeObject( loadKnowledgePackages( "test_DynamicFunction2.drl" ) );
        Collection<KiePackage> kpkgs2 = KieBaseUtil.getKieBaseFromClasspathResources("tmp", getClass(), kieBaseTestConfiguration, "test_DynamicFunction2.drl").getKiePackages();
        kbase.addPackages( kpkgs2 );

        final Cheese brie = new Cheese( "brie",
                                        5 );
        workingMemory.insert( brie );

        workingMemory.fireAllRules();

        assertEquals( new Integer( 6 ),
                      list.get( 1 ) );

//        Collection<KiePackage> kpkgs3 = SerializationHelper.serializeObject( loadKnowledgePackages( "test_DynamicFunction3.drl" ) );
        Collection<KiePackage> kpkgs3 = KieBaseUtil.getKieBaseFromClasspathResources("tmp", getClass(), kieBaseTestConfiguration, "test_DynamicFunction3.drl").getKiePackages();

        kbase.addPackages( kpkgs3 );

        final Cheese feta = new Cheese( "feta",
                                        5 );
        workingMemory.insert( feta );

        workingMemory.fireAllRules();

        assertEquals( new Integer( 5 ),
                      list.get( 2 ) );
    }