EDIT

package eu.etaxonomy.cdm.common;

import java.io.IOException;

import java.net.MalformedURLException;

import java.net.URI;

import java.net.URISyntaxException;

import java.net.URL;

import java.util.ArrayList;

import java.util.List;

import org.junit.Assert;

import org.apache.http.HttpException;

import org.apache.http.NameValuePair;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.message.BasicNameValuePair;

import org.apache.log4j.Logger;

import org.junit.Before;

import org.junit.BeforeClass;

import org.junit.Test;

public class UriUtilsTest {

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

    @BeforeClass

    public static void setUpBeforeClass() throws Exception {

    }

    @Before

    public void setUp() throws Exception {

    }

//********************* TESTS **********************************************/

    @Test

    public void testCreateUri() {

        try {

            URL baseUrl = new URL("http://www.abc.de");

            String subPath = "fgh";

            String fragment = "frag";

            URI uri = UriUtils.createUri(baseUrl, subPath, null, fragment);

            Assert.assertEquals("http://www.abc.de/fgh#frag", uri.toString());

            List<NameValuePair> qparams = new ArrayList<NameValuePair>(0);

            NameValuePair pair1 = new BasicNameValuePair("param1","value1");

            qparams.add(pair1);

            uri = UriUtils.createUri(baseUrl, subPath, qparams, fragment);

            Assert.assertEquals("http://www.abc.de/fgh?param1=value1#frag", uri.toString());

        } catch (MalformedURLException e) {

            e.printStackTrace();

            Assert.fail(e.getMessage());

        } catch (URISyntaxException e) {

            e.printStackTrace();

            Assert.fail(e.getMessage());

        }

    }

    @Test

    public void testGetResourceLength() throws ClientProtocolException, IOException, HttpException{

        if(UriUtils.isInternetAvailable(null)){

            URI uri = URI.create("http://dev.e-taxonomy.eu/trac_htdocs/logo_edit.png");

            Assert.assertEquals(9143, UriUtils.getResourceLength(uri, null));

        } else {

            logger.warn("Test: testGetResourceLength() skipped, since internet is not available");

        }

    }

    @Test

    public void testGetResourceLengthNull2() throws ClientProtocolException, IOException, HttpException{

        if(UriUtils.isInternetAvailable(null)){

        	URI uri;

			try {

				uri = new URI("http:/www.abc.de:8080/xyz");

				System.out.println("  sdf");

//				Assert.assertEquals(9143, UriUtils.getResourceLength(uri, null));

			} catch (URISyntaxException e) {

				// TODO Auto-generated catch block

				e.printStackTrace();

			}

        } else {

            logger.warn("Test: testGetResourceLength() skipped, since internet is not available");

        }

    }

    @Test

    public void testGetResourceLengthMissingProtocol() throws ClientProtocolException, HttpException{

    	URI uri;

		try {

			uri = URI.create("www.abc.de");

			UriUtils.getResourceLength(uri, null);

			Assert.fail("getResourceLength works only on absolute URIs providing a protocol/scheme");

		} catch (Exception e) {

			Assert.assertEquals(IOException.class, e.getClass());

			Assert.assertNotNull(e.getMessage().equals(UriUtils.URI_IS_NOT_ABSOLUTE));

		}

    }

    @Test

    public void testGetResourceLengthUnknownProtocol() throws ClientProtocolException, HttpException{

    	URI uri;

		try {

			uri = URI.create("xxx://www.abc.de");

			UriUtils.getResourceLength(uri, null);

			Assert.fail("getResourceLength works only on absolute URIs with supported protocols 'http(s):' and 'file:'");

		} catch (Exception e) {

			Assert.assertEquals(RuntimeException.class, e.getClass());

			Assert.assertNotNull(e.getMessage().startsWith("Protocol not handled yet"));

		}

    }

    @Test

    public void testIsInternetAvailable() {

        URI firstUri = URI.create("http://www.gmx.de/");

        boolean isAvailable = UriUtils.isInternetAvailable(firstUri);

        if (isAvailable == false){

            logger.warn("Internet is not available!");

        }

    }

    @Test

    public void testIsRootServerAvailable() {

        boolean isAvailable = UriUtils.isRootServerAvailable("www.gmx.de");

        if (isAvailable == false){

            logger.warn("RootServer is not available!");

        }

    }

}