EDIT

/**

 * Copyright (C) 2014 EDIT

 * European Distributed Institute of Taxonomy

 * http://www.e-taxonomy.eu

 *

 * The contents of this file are subject to the Mozilla Public License Version 1.1

 * See LICENSE.TXT at the top of this package for the full license terms.

 */

package eu.etaxonomy.taxeditor.httpinvoker;

import java.lang.reflect.Field;

import java.util.Map;

import org.junit.AfterClass;

import org.junit.Assert;

import org.junit.BeforeClass;

import org.junit.Test;

import org.springframework.core.io.ClassPathResource;

import org.springframework.core.io.Resource;

import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;

import org.springframework.security.core.Authentication;

import org.springframework.security.core.context.SecurityContextHolder;

import org.springframework.security.core.context.SecurityContextImpl;

import org.unitils.UnitilsJUnit4;

import org.unitils.database.DatabaseUnitils;

import org.unitils.database.annotations.Transactional;

import org.unitils.database.util.TransactionMode;

import org.unitils.spring.annotation.SpringApplicationContext;

import eu.etaxonomy.cdm.api.application.CdmApplicationRemoteController;

import eu.etaxonomy.cdm.model.name.NomenclaturalCode;

import eu.etaxonomy.taxeditor.remoting.cache.CdmTransientEntityCacher;

import eu.etaxonomy.taxeditor.remoting.source.CdmPersistentRemoteSource;

import eu.etaxonomy.taxeditor.remoting.source.CdmRemoteSource;

import eu.etaxonomy.taxeditor.remoting.source.CdmRemoteSourceException;

import eu.etaxonomy.taxeditor.remoting.source.ICdmRemoteSource;

import eu.etaxonomy.taxeditor.session.CdmEntitySession;

import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;

import eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager;

/**

 * Base class for remoting tests, responsible for

 * - starting / stop the cdm server

 * - running some basic connection tests

 * - setting up the remote configuration.

 *

 */

@Transactional(TransactionMode.DISABLED)

@SpringApplicationContext("file:./target/classes/eu/etaxonomy/cdm/testRemotingApplicationContext.xml")

public abstract class BaseRemotingTest extends UnitilsJUnit4 {

    //private static final Logger logger = Logger.getLogger(BaseRemotingTest.class);

    private static final Resource TEST_REMOTE_APPLICATION_CONTEXT_RESOURCE =

            new ClassPathResource("/eu/etaxonomy/cdm/testRemotingApplicationContext.xml");

    private static CdmApplicationRemoteController remoteApplicationController;

    private static ICdmRemoteSource cdmRemoteSource;

    private static CdmPersistentRemoteSource remotePersistentSource;

    public static boolean useManagedServer = false;

    protected static ICdmEntitySessionManager cdmEntitySessionManager;

    @BeforeClass

    public static void initializeBaseRemotingTest() {

        //NOTE: Run this the cdmTest H2 DB whenever it needs to be

    	//      recreated e.g. after a model change

    	DatabaseUnitils.disableConstraints();

        useManagedServer = (System.getProperty("use.managed.server") == null) ? useManagedServer : Boolean.valueOf(System.getProperty("use.managed.server"));

        if(useManagedServer) {

            try {

                CDMServer.getInstance().start();

            } catch (Exception e) {

                e.printStackTrace();

                Assert.fail("Server failed to start. Reason : " + e.getMessage());

            }

        initializeController(CDMServer.getInstance().getName(),

                CDMServer.getInstance().getHost(),

                CDMServer.getInstance().getPort(),

                CDMServer.getInstance().getContextPath(),

                NomenclaturalCode.ICNAFP,

                "admin",

                "00000");

        }

    }

    @Test

    public void disableConstraints() {

    	// To be run on the src/test/resources/h2/cdmTest h2 db after

    	// updating the unitils.properties 'database.url' property

    	DatabaseUnitils.disableConstraints();

    }

    public static void initializeController(String sourceName, String host, int port, String contextPath, NomenclaturalCode ncode, String username, String password) {

        cdmRemoteSource = CdmRemoteSource.NewInstance(sourceName, host, port, contextPath, ncode);

        remoteApplicationController =

                CdmApplicationRemoteController.NewInstance(cdmRemoteSource,

                        null,

                        null);

        try {

            remotePersistentSource = CdmPersistentRemoteSource.NewInstance(sourceName);

        } catch (CdmRemoteSourceException e) {

            Assert.fail("Default Remote Persistent Source failed to load. Reason : " + e.getMessage());

        }

        cdmEntitySessionManager = getRemoteApplicationController().getCdmEntitySessionManager();

        SecurityContextHolder.clearContext();

        SecurityContextImpl sc = new SecurityContextImpl();

        Authentication token = new UsernamePasswordAuthenticationToken(username,password);

        Authentication authentication = getRemoteApplicationController().getAuthenticationManager().authenticate(token);

        authentication = new UsernamePasswordAuthenticationToken(username,password, authentication.getAuthorities());

        sc.setAuthentication(authentication);

        SecurityContextHolder.setContext(sc);

    }

    protected static CdmApplicationRemoteController getRemoteApplicationController() {

        return remoteApplicationController;

    }

    protected static ICdmRemoteSource getCdmRemoteSource() {

        return cdmRemoteSource;

    }

    protected static CdmPersistentRemoteSource getCdmPersistentRemoteSource() {

        return remotePersistentSource;

    }

    protected static ICdmEntitySessionManager getCdmEntitySessionManager() {

    	return cdmEntitySessionManager;

    }

    protected static CdmEntitySession getSession(ICdmEntitySessionEnabled sessionOwner) {

    	Map<ICdmEntitySessionEnabled, CdmEntitySession> ownerSessionMap =

    			(Map<ICdmEntitySessionEnabled, CdmEntitySession>) getFieldValueViaReflection(cdmEntitySessionManager, "ownerSessionMap");

    	return ownerSessionMap.get(sessionOwner);

    }

    protected static CdmTransientEntityCacher getActiveSession() {

    	return (CdmTransientEntityCacher) getFieldValueViaReflection(cdmEntitySessionManager, "activeSession");

    }

    protected static CdmTransientEntityCacher getCacher(ICdmEntitySessionEnabled sessionOwner) {

    	return (CdmTransientEntityCacher) getFieldValueViaReflection(getSession(sessionOwner), "cdmTransientEntityCacher");

    }

    @AfterClass

    public static void cleanup() {

        try {

            CDMServer.getInstance().stop();

        } catch (Exception e) {

            Assert.fail("Server could not be stopped. Reason : " + e.getMessage());

        }

    }

    protected static Object getFieldValueViaReflection(Object object, String fieldName) {

        Class<?> clazz = object.getClass();

        try {

            Field field = clazz.getDeclaredField(fieldName);

            field.setAccessible(true);

            return field.get(object);

        } catch (NoSuchFieldException e) {

            e.printStackTrace();

        } catch (SecurityException e) {

            e.printStackTrace();

        } catch (IllegalArgumentException e) {

            e.printStackTrace();

        } catch (IllegalAccessException e) {

            e.printStackTrace();

        }

        return null;

    }

}