exprnavigationtest.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.ocl.expr;

import java.io.PrintWriter;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import junit.framework.*;

import org.tzi.use.parser.USECompiler;
import org.tzi.use.uml.mm.MAssociation;
import org.tzi.use.uml.mm.MAssociationClass;
import org.tzi.use.uml.mm.MAssociationEnd;
import org.tzi.use.uml.mm.MModel;
import org.tzi.use.uml.mm.MNavigableElement;
import org.tzi.use.uml.ocl.type.ObjectType;
import org.tzi.use.uml.ocl.type.TypeFactory;
import org.tzi.use.uml.ocl.value.IntegerValue;
import org.tzi.use.uml.ocl.value.ObjectValue;
import org.tzi.use.uml.ocl.value.SetValue;
import org.tzi.use.uml.ocl.value.Value;
import org.tzi.use.uml.sys.MCmd;
import org.tzi.use.uml.sys.MCmdCreateInsertObjects;
import org.tzi.use.uml.sys.MCmdCreateObjects;
import org.tzi.use.uml.sys.MCmdInsertLink;
import org.tzi.use.uml.sys.MObject;
import org.tzi.use.uml.sys.MSystem;
import org.tzi.use.uml.sys.ObjectCreation;


/**
 * ExprNavigationTest tests the navigation with an linkobject.
 *
 * @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 ExprNavigationTest extends TestCase {

    public void testModelWithObjects() {
        ObjectCreation.getInstance().createModelWithObjects();
        ObjectCreation.getInstance().createModelWithManyObjects();
        ObjectCreation.getInstance().createModelWithObjectsAndLinkObject();
    }

//-------------------------------------------------------------
// Tests for Navigation with normal links
//-------------------------------------------------------------

    public void testNavigationWithAssocs() {
        MSystem system = ObjectCreation.getInstance().createModelWithObjects();
        List assocEnds = system.model().getAssociation( "Job" ).associationEnds();
        MAssociationEnd personEnd = null;
        MAssociationEnd companyEnd = null;
        for ( int i = 0; i < assocEnds.size(); i++ ) {
            MAssociationEnd ae = ( MAssociationEnd ) assocEnds.get( i );
            if ( ae.cls().name().equals( "Person" ) ) {
                personEnd = ae;
            }
            if ( ae.cls().name().equals( "Company" ) ) {
                companyEnd = ae;
            }
        }

        try {

            Expression srcExpr = new ExpVariable( "p1", TypeFactory.mkObjectType(
                    system.model().getClass( "Person" ) ) );

            ExpNavigation nav = new ExpNavigation( srcExpr, personEnd, companyEnd );
            Value val = nav.eval( new EvalContext( null, system.state(),
                                                   system.varBindings(), 
                                                   new PrintWriter( new StringWriter() ) ) );

            assertTrue( val.isObject() );
            assertEquals( "c1", ( ( ObjectValue ) val ).value().name() );
        } catch ( ExpInvalidException e ) {
            throw new Error( e );
        }
    }

    public void testNavigationWithAssocs1_MANY() {
        MSystem system = ObjectCreation.getInstance().createModelWithManyObjects();
        List assocEnds = system.model().getAssociation( "Job" ).associationEnds();
        MAssociationEnd personEnd = null;
        MAssociationEnd companyEnd = null;
        for ( int i = 0; i < assocEnds.size(); i++ ) {
            MAssociationEnd ae = ( MAssociationEnd ) assocEnds.get( i );
            if ( ae.cls().name().equals( "Person" ) ) {
                personEnd = ae;
            }
            if ( ae.cls().name().equals( "Company" ) ) {
                companyEnd = ae;
            }
        }

        try {

            Expression srcExpr = new ExpVariable( "p1", TypeFactory.mkObjectType(
                    system.model().getClass( "Person" ) ) );

            ExpNavigation nav = new ExpNavigation( srcExpr, personEnd, companyEnd );
            Value val = nav.eval( new EvalContext( null, system.state(),
                                                   system.varBindings(),
                                                   new PrintWriter( new StringWriter() ) ) );

            assertTrue( val.isSet() );
            assertEquals( 4, ( ( SetValue ) val ).size() );
            Iterator it = ( ( SetValue ) val ).iterator();
            assertEquals( "c1", ( ( ObjectValue ) it.next() ).value().name() );
            assertEquals( "c2", ( ( ObjectValue ) it.next() ).value().name() );
            assertEquals( "c3", ( ( ObjectValue ) it.next() ).value().name() );
            assertEquals( "c4", ( ( ObjectValue ) it.next() ).value().name() );

        } catch ( ExpInvalidException e ) {
            throw new Error( e );
        }
    }

//-------------------------------------------------------------
// Tests for navigation with linkobjects
//-------------------------------------------------------------

    public void testNavigationWithAssocClass() {
        MSystem system = ObjectCreation.getInstance().createModelWithObjectsAndLinkObject();
        MAssociationClass job = system.model().getAssociationClass( "Job" );
        List assocEnds = job.associationEnds();
        MAssociationEnd personEnd = null;
        for ( int i = 0; i < assocEnds.size(); i++ ) {
            MAssociationEnd ae = ( MAssociationEnd ) assocEnds.get( i );
            if ( ae.cls().name().equals( "Person" ) ) {
                personEnd = ae;
            }
        }


        try {

            Expression srcExpr = new ExpVariable( "p1", TypeFactory.mkObjectType(
                    system.model().getClass( "Person" ) ) );

            ExpNavigation nav = new ExpNavigation( srcExpr, personEnd, job );
            Value val = nav.eval( new EvalContext( null, system.state(),
                                                   system.varBindings(), 
                                                   new PrintWriter( new StringWriter() ) ) );

            assertTrue( val.isObject() );
            assertEquals( "@j1", val.toString());
        } catch ( ExpInvalidException e ) {
            throw new Error( e );
        }
    }

//-------------------------------------------------------------
// Tests for the method getNavigableElements() in MSystemState
//-------------------------------------------------------------

    /**
     * Test the navigation from a specific object to the linkobject j1.
     */
    public void testNavigableElementsToLinkObject() {
        try {
            MSystem system = ObjectCreation.getInstance().createModelWithObjectsAndLinkObject();
            MModel model = system.model();

            // creation of an object (c2) of the class Company
            List names = new ArrayList();
            names.add( "c2" );
            ObjectType type = TypeFactory.mkObjectType( model.getClass( "Company" ) );
            MCmd cmd = new MCmdCreateObjects( system.state(), names, type );
            system.executeCmd( cmd );

            // creation of a link between p1 and c2 of an association
            names.clear();
            names.add( "p1" );
            names.add( "c2" );
            MAssociationClass assoc = model.getAssociationClass( "Job" );
            cmd = new MCmdCreateInsertObjects( system.state(), "j2", assoc, names );
            system.executeCmd( cmd );

            MAssociationClass job = system.model().getAssociationClass( "Job" );
            MAssociationEnd personEnd =
                    ( MAssociationEnd ) job.associationEndsAt( 
                        system.model().getClass( "Person" ) ).iterator().next();

            // navigation from p1 to linkobject j1
            MObject p1 = system.state().objectByName( "p1" );

            List objects = system.state().getNavigableObjects( p1, ( MNavigableElement ) personEnd, 
                                                               ( MNavigableElement ) job );

            assertEquals( 2, objects.size() );
            assertEquals( "j2", ( ( MObject ) objects.get( 0 ) ).name() );
            assertEquals( "j1", ( ( MObject ) objects.get( 1 ) ).name() );
        } catch ( Exception e ) {
            fail( "Exception was thrown: " + e.getMessage() );
        }
    }

    /**
     * Test the navigation from linkobject j1 to a specific object.
     */
    public void testNavigableElementsFromLinkObject() {
        try {