/*
 * Copyright (c) 2006, 2007, Oracle and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 */

package com.sun.jmx.examples.scandir;

import com.sun.jmx.examples.scandir.config.XmlConfigUtils;
import com.sun.jmx.examples.scandir.config.FileMatch;
import java.io.FileOutputStream;
import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import junit.framework.*;
import com.sun.jmx.examples.scandir.config.DirectoryScannerConfig;
import com.sun.jmx.examples.scandir.config.ScanManagerConfig;
import java.io.File;
import java.util.concurrent.BlockingQueue;
import javax.management.*;

/**
 * Unit tests for {@code ScanDirConfig}
 *
 * @author Sun Microsystems, 2006 - All rights reserved.
 */
public class ScanDirConfigTest extends TestCase {

    public ScanDirConfigTest(String testName) {
        super(testName);
    }

    protected void setUp() throws Exception {
    }

    protected void tearDown() throws Exception {
    }

    public static Test suite() {
        TestSuite suite = new TestSuite(ScanDirConfigTest.class);

        return suite;
    }

    /**
     * Test of load method, of class com.sun.jmx.examples.scandir.ScanDirConfig.
     */
    public void testLoad() throws Exception {
        System.out.println("load");

        final File file = File.createTempFile("testconf",".xml");
        final ScanDirConfig instance = new ScanDirConfig(file.getAbsolutePath());
        final ScanManagerConfig bean =
                new  ScanManagerConfig("testLoad");
        final DirectoryScannerConfig dir =
                new DirectoryScannerConfig("tmp");
        dir.setRootDirectory(file.getParent());
        bean.putScan(dir);
        XmlConfigUtils.write(bean,new FileOutputStream(file),false);
        instance.load();

        assertEquals(bean,instance.getConfiguration());
        bean.removeScan(dir.getName());
        XmlConfigUtils.write(bean,new FileOutputStream(file),false);

        assertNotSame(bean,instance.getConfiguration());

        instance.load();

        assertEquals(bean,instance.getConfiguration());

    }

    /**
     * Test of save method, of class com.sun.jmx.examples.scandir.ScanDirConfig.
     */
    public void testSave() throws Exception {
        System.out.println("save");

        final File file = File.createTempFile("testconf",".xml");
        final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
        final ScanManagerMXBean manager = ScanManager.register(mbs);

        try {
            final ScanDirConfigMXBean instance =
                    manager.createOtherConfigurationMBean("testSave",file.getAbsolutePath());
            assertTrue(mbs.isRegistered(
                    ScanManager.makeScanDirConfigName("testSave")));
            final ScanManagerConfig bean =
                new  ScanManagerConfig("testSave");
            final DirectoryScannerConfig dir =
                new DirectoryScannerConfig("tmp");
            dir.setRootDirectory(file.getParent());
            bean.putScan(dir);
            instance.setConfiguration(bean);
            instance.save();
            final ScanManagerConfig loaded =
                new XmlConfigUtils(file.getAbsolutePath()).readFromFile();
            assertEquals(instance.getConfiguration(),loaded);
            assertEquals(bean,loaded);

            instance.getConfiguration().removeScan("tmp");
            instance.save();
            assertNotSame(loaded,instance.getConfiguration());
            final ScanManagerConfig loaded2 =
                new XmlConfigUtils(file.getAbsolutePath()).readFromFile();
            assertEquals(instance.getConfiguration(),loaded2);
        } finally {
            manager.close();
            mbs.unregisterMBean(ScanManager.SCAN_MANAGER_NAME);
        }
        final ObjectName all =
                new ObjectName(ScanManager.SCAN_MANAGER_NAME.getDomain()+":*");
        assertEquals(0,mbs.queryNames(all,null).size());
    }

    /**
     * Test of saveTo method, of class com.sun.jmx.examples.scandir.ScanProfile.
     */
    /*
    public void testSaveTo() throws Exception {
        System.out.println("saveTo");

        String filename = "";
        ScanDirConfig instance = null;

        instance.saveTo(filename);

        // TODO review the generated test code and remove the default call to fail.
        fail("The test case is a prototype.");
    }
    */

    /**
     * Test of getXmlConfigString method, of class com.sun.jmx.examples.scandir.ScanDirConfig.
     */
    public void testGetXmlConfigString() throws Exception {
        System.out.println("getXmlConfigString");

        try {
            final File file = File.createTempFile("testconf",".xml");
            final ScanDirConfig instance = new ScanDirConfig(file.getAbsolutePath());
            final ScanManagerConfig bean =
                new  ScanManagerConfig("testGetXmlConfigString");
            final DirectoryScannerConfig dir =
                new DirectoryScannerConfig("tmp");
            dir.setRootDirectory(file.getParent());
            bean.putScan(dir);
            instance.setConfiguration(bean);
            System.out.println("Expected: " + XmlConfigUtils.toString(bean));
            System.out.println("Received: " +
                    instance.getConfiguration().toString());
            assertEquals(XmlConfigUtils.toString(bean),
                instance.getConfiguration().toString());
        } catch (Exception x) {
            x.printStackTrace();
            throw x;
        }
    }


    /**
     * Test of addNotificationListener method, of class
     * com.sun.jmx.examples.scandir.ScanDirConfig.
     */
    public void testAddNotificationListener() throws Exception {
        System.out.println("addNotificationListener");

        final File file = File.createTempFile("testconf",".xml");
        final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
        final ScanManagerMXBean manager = ScanManager.register(mbs);

        try {
            final ScanDirConfigMXBean instance =
                TestUtils.makeNotificationEmitter(
                    manager.createOtherConfigurationMBean("testSave",
                        file.getAbsolutePath()),
                    ScanDirConfigMXBean.class);
            assertTrue(mbs.isRegistered(
                    ScanManager.makeScanDirConfigName("testSave")));
            DirectoryScannerConfig dir =
                    instance.addDirectoryScanner("tmp",file.getParent(),".*",0,0);

            final BlockingQueue<Notification> queue =
                    new LinkedBlockingQueue<Notification>();
            final NotificationListener listener = new NotificationListener() {
                public void handleNotification(Notification notification,
                            Object handback) {
                    queue.add(notification);
                }
            };
            NotificationFilter filter = null;
            Object handback = null;

            ((NotificationEmitter)instance).addNotificationListener(listener,
                    filter, handback);

            instance.save();
            final ScanManagerConfig loaded =
                new XmlConfigUtils(file.getAbsolutePath()).readFromFile();
            assertEquals(instance.getConfiguration(),loaded);

            final ScanManagerConfig newConfig =
                    instance.getConfiguration();
            newConfig.removeScan("tmp");
            instance.setConfiguration(newConfig);
            instance.save();
            assertNotSame(loaded,instance.getConfiguration());
            final ScanManagerConfig loaded2 =
                new XmlConfigUtils(file.getAbsolutePath()).readFromFile();
            assertEquals(instance.getConfiguration(),loaded2);
            instance.load();
            for (int i=0;i<4;i++) {
                final Notification n = queue.poll(3,TimeUnit.SECONDS);
                assertNotNull(n);
                assertEquals(TestUtils.getObjectName(instance),n.getSource());
                switch(i) {
                    case 0: case 2:
                        assertEquals(ScanDirConfig.NOTIFICATION_SAVED,n.getType());
                        break;
                    case 1:
                        assertEquals(ScanDirConfig.NOTIFICATION_MODIFIED,n.getType());
                        break;
                    case 3:
                        assertEquals(ScanDirConfig.NOTIFICATION_LOADED,n.getType());
                        break;
                    default: break;
                }
            }
        } finally {
            manager.close();
            mbs.unregisterMBean(ScanManager.SCAN_MANAGER_NAME);
        }
        final ObjectName all =
                new ObjectName(ScanManager.SCAN_MANAGER_NAME.getDomain()+":*");
        assertEquals(0,mbs.queryNames(all,null).size());
    }

    /**
     * Test of getConfigFilename method, of class
     * com.sun.jmx.examples.scandir.ScanDirConfig.
     */
    public void testGetConfigFilename() throws Exception {
        System.out.println("getConfigFilename");

        final File file = File.createTempFile("testconf",".xml");
        final ScanDirConfig instance = new ScanDirConfig(file.getAbsolutePath());

        String result = instance.getConfigFilename();
        assertEquals(file.getAbsolutePath(), new File(result).getAbsolutePath());

    }

    /**
     * Test of addDirectoryScanner method, of class
     * com.sun.jmx.examples.scandir.ScanDirConfig.
     */
    public void testAddDirectoryScanner() throws IOException {
        System.out.println("addDirectoryScanner");

        System.out.println("save");

        final File file = File.createTempFile("testconf",".xml");
        final ScanDirConfig instance = new ScanDirConfig(file.getAbsolutePath());
        final ScanManagerConfig bean =
                new  ScanManagerConfig("testSave");
        final DirectoryScannerConfig dir =
                new DirectoryScannerConfig("tmp");
        dir.setRootDirectory(file.getParent());
        FileMatch filter = new FileMatch();
        filter.setFilePattern(".*");
        dir.setIncludeFiles(new FileMatch[] {
            filter
        });
        instance.setConfiguration(bean);
        instance.addDirectoryScanner(dir.getName(),
                                     dir.getRootDirectory(),
                                     filter.getFilePattern(),
                                     filter.getSizeExceedsMaxBytes(),
                                     0);
        instance.save();
        final ScanManagerConfig loaded =
                new XmlConfigUtils(file.getAbsolutePath()).readFromFile();
        assertNotNull(loaded.getScan(dir.getName()));
        assertEquals(dir,loaded.getScan(dir.getName()));
        assertEquals(instance.getConfiguration(),loaded);
        assertEquals(instance.getConfiguration().getScan(dir.getName()),dir);
    }

}
