/*

* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

package com.nokia.sdt.symbian.tests;

import com.nokia.cpp.internal.api.utils.core.FileUtils;

import com.nokia.cpp.internal.api.utils.core.ProjectUtils;

import com.nokia.sdt.emf.dm.IDesignerData;

import com.nokia.sdt.testsupport.FileHelpers;

import com.nokia.sdt.testsupport.TestHelpers;

import com.nokia.sdt.utils.*;

import org.eclipse.core.resources.*;

import org.eclipse.emf.ecore.resource.ResourceSet;

import java.io.*;

import java.util.Arrays;

import junit.framework.TestCase;

/**

 * 

 *

 */

public class WorkspaceFileTrackerTest extends TestCase {

    IDesignerData designerData;

    ResourceSet resourceSet;

    File outputFile;

    private static IProject project;

    private static File projectDir;

    private WorkspaceFileTracker filehandler;

    static final String PROJECT_NAME = "srcgen-workspace-file-tests";

    static final String BASE_DIR = "/data/srcgen/";

    static final String FILE_NAME = "model.nxd";

    /* (non-Javadoc)

     * @see junit.framework.TestCase#setUp()

     */

    protected void setUp() throws Exception {

        super.setUp();

        TestHelpers.setPlugin(TestsPlugin.getDefault());

        if (project == null) {

            project = ProjectUtils.createAndOpenProject(PROJECT_NAME);

            projectDir = new File(project.getLocation().toOSString());

            FileUtils.copyTreeNoParent(

                    FileHelpers.projectRelativeFile(BASE_DIR + "project"),

                    projectDir, null

                    );

            project.getWorkspace().getRoot().refreshLocal(IResource.DEPTH_INFINITE, null);

        }

        filehandler = new WorkspaceFileTracker();

    }

    /* (non-Javadoc)

     * @see junit.framework.TestCase#tearDown()

     */

    protected void tearDown() throws Exception {

        super.tearDown();

        /*

        try {

            ProjectUtils.closeAndDeleteProject(PROJECT_NAME);

        } catch (CoreException e) {

            Thread.sleep(1000);

            try {

                ProjectUtils.closeAndDeleteProject(PROJECT_NAME);

            } catch (CoreException e2) {

            }

        }*/

    }

    public void testLoad() throws Exception {

        File mainFile = new File(projectDir, "main.cpp"); 

        char[] text = filehandler.loadFileText(mainFile);

        assertEquals("test file", new String(text));

    }

    public void testLoad2() throws Exception {

        // test that this is using Eclipse by changing contents

        // through Resource APIs

        File mainFile = new File(projectDir, "main.cpp"); 

        char[] text = filehandler.loadFileText(mainFile);

        assertEquals("test file", new String(text));

        // modify via resources

        IFile file = project.getFile("main.cpp");

        assertNotNull(file);

        assertTrue(file.exists());

        InputStream is = new ByteArrayInputStream("\nnew line".getBytes());

        file.appendContents(is, false, false, null);

        // load again

        char[] text2 = filehandler.loadFileText(mainFile);

        assertEquals("test file\nnew line", new String(text2));

    }

    public void testSave() throws Exception {

        File mainFile = new File(projectDir, "main.rss");

        String text =  "generated file";

        filehandler.saveFileText(mainFile, "UTF-8", text.toCharArray());

        // access via resources

        IFile file = project.getFile("main.rss");

        assertNotNull(file);

        assertTrue(file.exists());

        InputStream is = file.getContents();

        assertNotNull(is);

        InputStreamReader isr = new InputStreamReader(is);

        char[] cbuf = new char[32];

        int len = isr.read(cbuf);

        is.close();

        assertEquals(text.length(), len);

        assertEquals(text, new String(cbuf, 0, len));

    }

    public void testSaveEncoded() throws Exception {

        File mainFile = new File(projectDir, "main2.rss");

        String text =  "Hi\u00C7";

        filehandler.saveFileText(mainFile, "UTF-8", text.toCharArray());

        // access via resources

        IFile file = project.getFile("main2.rss");

        assertNotNull(file);

        assertTrue(file.exists());

        InputStream is = file.getContents();

        assertNotNull(is);

        byte[] bbuf = new byte[4];

        int len = is.read(bbuf, 0, 4);

        assertEquals(4, len);

        assertEquals(-1, is.read(bbuf));

        is.close();

        assertTrue(Arrays.equals(new byte[] { 'H', 'i', (byte) 0xc3, (byte) 0x87 }, bbuf));

        // rewrite

        filehandler.saveFileText(mainFile, "CP1252", text.toCharArray());

        file = project.getFile("main2.rss");

        assertNotNull(file);

        assertTrue(file.exists());

        is = file.getContents();

        assertNotNull(is);

        bbuf = new byte[3];

        len = is.read(bbuf, 0, 3);

        assertEquals(3, len);

        assertEquals(-1, is.read(bbuf));

        is.close();

        assertTrue(Arrays.equals(new byte[] { 'H', 'i', (byte) 0xc7 }, bbuf));

    }

}