// $Id: TestArgoParser.java,v 1.12 2004/09/28 19:45:09 mvw Exp $
// Copyright (c) 1996-2002 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies.  This software program and
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// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
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package org.argouml.xml.argo;

import java.net.URL;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.argouml.kernel.Project;
import org.argouml.kernel.ZargoFilePersister;

/** Testcase to load projects without exception. */
public class TestArgoParser extends TestCase {
    /**
     * The constructor.
     * 
     * @param name the name
     */
    public TestArgoParser(String name) {
        super(name);
    }

    /**
     * @param args the arguments given on the commandline
     */
    public static void main(java.lang.String[] args) {
        junit.textui.TestRunner.run(suite());
    }

    /**
     * @return the test suite
     */
    public static Test suite() {
        TestSuite suite = new TestSuite(TestArgoParser.class);

        return suite;
    }

    /**
     * Tests that a project is loadable.
     *
     * @param filename of the project file to load
     * @throws Exception if something goes wrong.
     */
    private void loadProject(String filename) throws Exception {
        URL url;
        try {
            url = new URL(filename);
            ZargoFilePersister persister = new ZargoFilePersister();
            Project p = persister.loadProject(url);
            assertTrue("Load Status for " + filename + ".",
                   ArgoParser.getInstance().getLastLoadStatus());
        } catch (java.net.MalformedURLException e) {
            assertTrue("Incorrect test case, malformed filename: " 
                   + filename + ".", false);
        }	
    }

    /**
     * Test loading a zargo.
     * 
     * @throws Exception when e.g. the filke is not found
     */
    public void testLoadProject1() throws Exception { 
        loadProject("file:testmodels/Empty.zargo");
    }
    /**
     * Test loading a zargo.
     * 
     * @throws Exception when e.g. the filke is not found
     */
    public void testLoadProject2() throws Exception {
        loadProject("file:testmodels/Alittlebitofeverything.zargo");
    }

    /**
     * Test loading some garbage in a zargo.
     */
    public void testLoadGarbage() {
        URL url = null;
        boolean loaded = true;
        try {
            url = new URL("file:testmodels/Garbage.zargo");
            ZargoFilePersister persister = new ZargoFilePersister();
            Project p = persister.loadProject(url);
            assertTrue("Load Status", 
                    !ArgoParser.getInstance().getLastLoadStatus());
        } catch (java.net.MalformedURLException e) {
            assertTrue("Incorrect test case.", false);
        } catch (Exception io) {
            // This is the normal case.
            loaded = false;
        }
        assertTrue("No exception was thrown.", !loaded);
    }
}