linktest.java

UML设计测试工具

/*
 * USE - UML based specification environment
 * Copyright (C) 1999-2004 Mark Richters, University of Bremen
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/* $ProjectHeader: use 2-3-0-release.1 Mon, 12 Sep 2005 20:18:33 +0200 green $ */

package org.tzi.use.uml.sys;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import junit.framework.*;

import org.tzi.use.uml.mm.MAssociation;
import org.tzi.use.uml.mm.MAssociationClass;
import org.tzi.use.uml.mm.MModel;
import org.tzi.use.uml.mm.TestModelUtil;
import org.tzi.use.uml.ocl.expr.ExpVariable;
import org.tzi.use.uml.ocl.expr.Expression;
import org.tzi.use.uml.ocl.type.ObjectType;
import org.tzi.use.uml.ocl.type.TypeFactory;


/**
 * The class <code>LinkTest</code> creates an instance of an
 * associationclass.
 *
 * @version $ProjectVersion: 2-3-0-release.1 $
 * @author <a href="mailto:[e-mail]">Hanna Bauerdick</a>
 * @author <a href="mailto:[e-mail]">Fabian Gutsche</a>
 */
public class LinkTest extends TestCase {

    /**
     * Creates instances of associations and associationclass.
     */
    public void testLinkCreation() {
        MSystem system = createModelWithObject();

        // tests weather or not the objects exists
        assertEquals( "p1", system.state().objectByName( "p1" ).name() );
        assertEquals( "c1", system.state().objectByName( "c1" ).name() );
        assertEquals( "j1", system.state().objectByName( "j1" ).name() );

        // tests if the link between p1 (Person) and c1 (Company) exists
        Set objects = new HashSet();
        objects.add( system.state().objectByName( "p1" ) );
        objects.add( system.state().objectByName( "c1" ) );
        assertTrue( system.state().hasLinkBetweenObjects( system.model()
                                                          .getAssociation( "Job" ),
                                                          objects ) );
        // tests if the link between p1 (Person) and j1 (Job) doesn't exist
        objects.clear();
        objects.add( system.state().objectByName( "p1" ) );
        objects.add( system.state().objectByName( "j1" ) );
        assertFalse( system.state().hasLinkBetweenObjects( system.model()
                                                           .getAssociation( "Job" ),
                                                           objects ) );

    }

    /**
     * Deletes Linkobject between Objects with command
     * <code>MCmdDestroyObjects</code>.
     */
    public void testObjectDestroy() {
        try {
            MSystem system = createModelWithObject();

            assertEquals( "j1", system.state().objectByName( "j1" ).name() );

            Set objects = new HashSet();
            objects.add( system.state().objectByName( "p1" ) );
            objects.add( system.state().objectByName( "c1" ) );
            assertTrue( system.state().hasLinkBetweenObjects( system.model().getAssociation( "Job" ),
                                                              objects ) );


            List names = new ArrayList();
            names.add( "j1" );
            Expression[] exprs = new Expression[names.size()];
            Iterator it = names.iterator();
            int i = 0;
            while (it.hasNext() ) {
                MObject obj =  system.state().objectByName( (String) it.next() ); 
                exprs[i++] = new ExpVariable( obj.name(), obj.type() );
            }
            MCmd cmd = new MCmdDestroyObjects( system.state(), exprs );
            system.executeCmd( cmd );

            assertEquals( null, system.state().objectByName( "j1" ) );

            objects = new HashSet();
            objects.add( system.state().objectByName( "p1" ) );
            objects.add( system.state().objectByName( "c1" ) );
            assertFalse( system.state().hasLinkBetweenObjects( system.model().getAssociation( "Job" ),
                                                               objects ) );
        } catch ( MSystemException e ) {
            throw ( new Error( e ) );
        }
    }


    /**
     * Deletes Linkobject between Objects with command
     * <code>MCmdDeleteLink</code>.
     */
    public void testLinkDeletion() {
        try {
            MSystem system = createModelWithObject();
            List names = new ArrayList();
            names.add( "p1" );
            names.add( "c1" );
            Expression[] exprs = new Expression[names.size()];
            Iterator it = names.iterator();
            int i = 0;
            while (it.hasNext() ) {
                MObject obj =  system.state().objectByName( (String) it.next() ); 
                exprs[i++] = new ExpVariable( obj.name(), obj.type() );
            }
            MAssociation assoc = system.model().getAssociation( "Job" );
            MCmd cmd = new MCmdDeleteLink( system.state(), exprs, assoc );
            system.executeCmd( cmd );

            assertEquals( null, system.state().objectByName( "j1" ) );

            Set objects = new HashSet();
            objects.add( system.state().objectByName( "p1" ) );
            objects.add( system.state().objectByName( "c1" ) );
            assertFalse( system.state().hasLinkBetweenObjects( assoc, objects ) );
        } catch ( MSystemException e ) {
            throw ( new Error( e ) );
        }
    }

    public void testLinkCreationAndUndo() {
        try {
            MSystem system = createModelWithObject();

            // tests weather or not the objects exists
            assertEquals( "j1", system.state().objectByName( "j1" ).name() );

            // tests if the link between p1 (Person) and c1 (Company) exists
            Set objects = new HashSet();
            objects.add( system.state().objectByName( "p1" ) );
            objects.add( system.state().objectByName( "c1" ) );
            assertTrue( system.state().hasLinkBetweenObjects( system.model()
                                                              .getAssociation( "Job" ),
                                                              objects ) );

            // Undo the last command (insertion of j1)
            system.undoCmd();

            // tests if the object j1 does not exists
            assertEquals( null, system.state().objectByName( "j1" ) );

            // tests if the link between p1 (Person) and c1 (Company) exists
            objects = new HashSet();
            objects.add( system.state().objectByName( "p1" ) );
            objects.add( system.state().objectByName( "c1" ) );
            assertFalse( system.state().hasLinkBetweenObjects( system.model()
                                                               .getAssociation( "Job" ),
                                                               objects ) );
        } catch ( MSystemException e ) {
            throw ( new Error( e ) );
        }
    }


    /**
     * Creates Linkobject between Objects with command
     * <code>MCmdInsertLink</code>.
     */
    public void testCreationLinkObjectWithCmdInsertLink() {
        try {
            MSystem system = createModelWithoutLinkObject();
            List names = new ArrayList();
            names.add( "p1" );
            names.add( "c1" );
            Expression[] exprs = new Expression[names.size()];
            Iterator it = names.iterator();
            int i = 0;
            while (it.hasNext() ) {
                MObject obj =  system.state().objectByName( (String) it.next() ); 
                exprs[i++] = new ExpVariable( obj.name(), obj.type() );
            }
            MAssociation assoc = system.model().getAssociation( "Job" );
            MCmd cmd = new MCmdInsertLink( system.state(), exprs, assoc );
            system.executeCmd( cmd );