basebetaleftmemorytestclass.java

jboss规则引擎

/*
 * Copyright 2005 JBoss Inc
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.reteoo.beta;

import java.util.Iterator;

import javax.naming.OperationNotSupportedException;

import junit.framework.Assert;
import junit.framework.TestCase;

import org.drools.WorkingMemory;
import org.drools.common.DefaultFactHandle;
import org.drools.common.InternalFactHandle;
import org.drools.reteoo.ReteooFactHandleFactory;
import org.drools.reteoo.ReteTuple;
import org.drools.reteoo.ReteooRuleBase;
import org.drools.reteoo.ReteooWorkingMemory;
import org.drools.spi.FactHandleFactory;
import org.drools.util.MultiLinkedListNodeWrapper;

/**
 * BaseBetaLeftMemoryTest
 *
 * @author <a href="mailto:[e-mail]">Edson Tirelli</a>
 *
 * Created: 28/02/2006
 */
public abstract class BaseBetaLeftMemoryTestClass extends TestCase {
    protected ReteooWorkingMemory workingMemory;
    protected BetaLeftMemory      memory;
    protected MockBetaLeftMemory  child;
    protected DummyValueObject    obj0;
    protected DummyValueObject    obj1;
    protected DummyValueObject    obj2;
    protected FactHandleFactory   factory;
    protected DefaultFactHandle   f0;
    protected DefaultFactHandle   f1;
    protected DefaultFactHandle   f2;
    protected ReteTuple           tuple0;
    protected ReteTuple           tuple1;
    protected ReteTuple           tuple2;

    public BaseBetaLeftMemoryTestClass() {
        this.memory = null;
        this.child = new MockBetaLeftMemory();
    }

    protected void setUp() throws Exception {
        super.setUp();
        this.workingMemory = new ReteooWorkingMemory( new ReteooRuleBase() );
        this.obj0 = new DummyValueObject( true,
                                          "string1",
                                          10,
                                          "object1" );
        this.obj1 = new DummyValueObject( true,
                                          "string2",
                                          20,
                                          "object2" );
        this.obj2 = new DummyValueObject( false,
                                          null,
                                          0,
                                          null );

        this.factory = new ReteooFactHandleFactory();
        this.f0 = (DefaultFactHandle) this.factory.newFactHandle( this.obj0 );

        this.f1 = (DefaultFactHandle) this.factory.newFactHandle( this.obj1 );

        this.f2 = (DefaultFactHandle) this.factory.newFactHandle( this.obj2 );

        this.tuple0 = new ReteTuple( this.f0 );
        this.tuple1 = new ReteTuple( this.f1 );
        this.tuple2 = new ReteTuple( this.f2 );
    }

    protected void tearDown() throws Exception {
        super.tearDown();
    }

    /*
     * Test method for 'org.drools.reteoo.beta.BetaLeftMemory.add(WorkingMemory, ReteTuple)'
     */
    public void testAddWorkingMemoryReteTuple() {
        this.memory.add( this.workingMemory,
                         this.tuple0 );
        Assert.assertEquals( "Memory should have size 1",
                             1,
                             this.memory.size() );

        this.memory.add( this.workingMemory,
                         this.tuple1 );
        Assert.assertEquals( "Memory should have size 2",
                             2,
                             this.memory.size() );

        this.memory.add( this.workingMemory,
                         this.tuple2 );
        Assert.assertEquals( "Memory should have size 3",
                             3,
                             this.memory.size() );
    }

    /*
     * Test method for 'org.drools.reteoo.beta.BetaLeftMemory.remove(WorkingMemory, ReteTuple)'
     */
    public void testRemoveWorkingMemoryReteTuple() {
        this.memory.add( this.workingMemory,
                         this.tuple0 );
        this.memory.add( this.workingMemory,
                         this.tuple1 );
        this.memory.add( this.workingMemory,
                         this.tuple2 );
        Assert.assertEquals( "Memory should have size 3",
                             3,
                             this.memory.size() );

        this.memory.remove( this.workingMemory,
                            this.tuple0 );
        Assert.assertEquals( "Memory should have size 2",
                             2,
                             this.memory.size() );

        this.memory.remove( this.workingMemory,
                            this.tuple2 );
        Assert.assertEquals( "Memory should have size 1",
                             1,
                             this.memory.size() );

        this.memory.remove( this.workingMemory,
                            this.tuple1 );
        Assert.assertEquals( "Memory should have size 0",
                             0,
                             this.memory.size() );
    }

    /*
     * Test method for 'org.drools.reteoo.beta.BetaLeftMemory.remove(WorkingMemory, ReteTuple)'
     */
    public void testRemoveUnexistingTuple() {
        try {
            this.memory.remove( this.workingMemory,
                                this.tuple0 );
            Assert.fail( "Trying to remove an element that is not in the memory should throw an exception" );
        } catch ( final Exception e ) {
            // everything is fine
        }
        try {
            final MultiLinkedListNodeWrapper wrapper0 = new MultiLinkedListNodeWrapper( this.tuple0 );
            this.memory.remove( this.workingMemory,
                                wrapper0 );
            Assert.fail( "Trying to remove an element that is not in the memory should throw an exception" );
        } catch ( final Exception e ) {
            // everything is fine
        }
        try {
            this.memory.remove( this.workingMemory,
                                (ReteTuple) null );
            Assert.fail( "Trying to remove a null element from memory should throw an exception" );
        } catch ( final Exception e ) {
            // everything is fine
        }
        try {
            this.memory.remove( this.workingMemory,
                                (MultiLinkedListNodeWrapper) null );
            Assert.fail( "Trying to remove a null element from memory should throw an exception" );
        } catch ( final Exception e ) {
            // everything is fine
        }
    }

    /*
     * Test method for 'org.drools.reteoo.beta.BetaLeftMemory.add(WorkingMemory, MultiLinkedListNodeWrapper)'
     */
    public void testAddWorkingMemoryMultiLinkedListNodeWrapper() {
        final MultiLinkedListNodeWrapper wrapper0 = new MultiLinkedListNodeWrapper( this.tuple0 );
        final MultiLinkedListNodeWrapper wrapper1 = new MultiLinkedListNodeWrapper( this.tuple1 );
        final MultiLinkedListNodeWrapper wrapper2 = new MultiLinkedListNodeWrapper( this.tuple2 );

        this.memory.add( this.workingMemory,
                         wrapper0 );
        Assert.assertEquals( "Memory should have size 1",
                             1,
                             this.memory.size() );

        this.memory.add( this.workingMemory,
                         wrapper1 );
        Assert.assertEquals( "Memory should have size 2",
                             2,
                             this.memory.size() );

        this.memory.add( this.workingMemory,
                         wrapper2 );
        Assert.assertEquals( "Memory should have size 3",
                             3,
                             this.memory.size() );
    }

    /*
     * Test method for 'org.drools.reteoo.beta.BetaLeftMemory.remove(WorkingMemory, MultiLinkedListNodeWrapper)'
     */
    public void testRemoveWorkingMemoryMultiLinkedListNodeWrapper() {
        final MultiLinkedListNodeWrapper wrapper0 = new MultiLinkedListNodeWrapper( this.tuple0 );
        final MultiLinkedListNodeWrapper wrapper1 = new MultiLinkedListNodeWrapper( this.tuple1 );
        final MultiLinkedListNodeWrapper wrapper2 = new MultiLinkedListNodeWrapper( this.tuple2 );

        this.memory.add( this.workingMemory,
                         wrapper0 );