// $Id: TestNotationProvider.java 43 2010-04-03 20:28:12Z marcusvnac $
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package org.argouml.notation;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.HashMap;
import java.util.Map;

import junit.framework.TestCase;

import org.argouml.kernel.Project;
import org.argouml.kernel.ProjectManager;
import org.argouml.model.InitializeModel;
import org.argouml.model.Model;
import org.argouml.profile.init.InitProfileSubsystem;

/**
 * @author Michiel
 */
public class TestNotationProvider extends TestCase 
    implements PropertyChangeListener {

    /*
     * @see junit.framework.TestCase#setUp()
     */
    @Override
    public void setUp() throws Exception {
	super.setUp();
        InitializeModel.initializeDefault();
        new InitProfileSubsystem().init();
    }

    private Object aClass;
    private boolean propChanged = false;

    /**
     * Test the existence of the 
     * toString(Object modelElement, Map args) method.
     * TODO: Need to find a more useful test.
     */
    public void testToString() {
        NotationProvider np = new NPImpl();
        NotationSettings settings = new NotationSettings();
        settings.setUseGuillemets(true);
        assertTrue("Test toString()", "atrue".equals(
                np.toString("a", settings)));
    }
    
    /**
     * Test the isValue utility function.
     */
    public void testIsValue() {
        Map<String, Object> args = new HashMap<String, Object>();
        args.put("not a boolean", "c");
        args.put("true", Boolean.TRUE);
        args.put("false", Boolean.FALSE);
        args.put("null", null);
        assertTrue("Not a boolean", 
                !NotationProvider.isValue("not a boolean", args));
        assertTrue("Finding true", 
                NotationProvider.isValue("true", args));
        assertTrue("Finding false", 
                !NotationProvider.isValue("false", args));
        assertTrue("Finding null", 
                !NotationProvider.isValue("null", args));
        assertTrue("Not encountered", 
                !NotationProvider.isValue("xyz", args));
    }

    private class NPImpl extends NotationProvider {

        /*
         * @see org.argouml.notation.providers.NotationProvider#getParsingHelp()
         */
        public String getParsingHelp() {
            return null;
        }

        /*
         * @see org.argouml.notation.providers.NotationProvider#toString(java.lang.Object, java.util.Map)
         */
        @SuppressWarnings("deprecation")
        @Deprecated
        public String toString(Object modelElement, Map args) {
            return modelElement.toString() + args.size();
        }

        public String toString(Object modelElement, NotationSettings settings) {
            return modelElement.toString() + settings.isUseGuillemets();
        }
        
        /*
         * @see org.argouml.notation.providers.NotationProvider#parse(java.lang.Object, java.lang.String)
         */
        public void parse(Object modelElement, String text) {

        }

    }
    
    public void testListener() {
        Object model =
            Model.getModelManagementFactory().createModel();
        Project p = ProjectManager.getManager().getCurrentProject();
        p.addModel(model);
        aClass = Model.getCoreFactory().buildClass(model);
        
        NotationProvider np = new NPImpl();
        np.initialiseListener(this, aClass);
        
        propChanged = false;
        Model.getCoreHelper().setName(aClass, "ClassA1");
        Model.getPump().flushModelEvents();
        assertTrue("No event received", propChanged);
        
        np.cleanListener(this, aClass);
        propChanged = false;
        Model.getCoreHelper().setName(aClass, "ClassA2");
        Model.getPump().flushModelEvents();
        assertTrue("Event received, despite not listening", !propChanged);

        np.updateListener(this, aClass, null);
    }

    public void propertyChange(PropertyChangeEvent evt) {
        propChanged = true;
    }
}