it.txt.ens.core.impl.test.BasicENSResourceTest.java Source code

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/***************************************************************************
 * Copyright 2012 TXT e-solutions SpA
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * This work was performed within the IoT_at_Work Project
 * and partially funded by the European Commission's
 * 7th Framework Programme under the research area ICT-2009.1.3
 * Internet of Things and enterprise environments.
 *
 * Authors:
 *      Salvatore Piccione (TXT e-solutions SpA)
 *
 * Contributors:
 *        Domenico Rotondi (TXT e-solutions SpA)
 **************************************************************************/
package it.txt.ens.core.impl.test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import it.txt.ens.core.ENSResource;
import it.txt.ens.core.factory.ENSResourceFactory;
import it.txt.ens.core.factory.URIBuildingException;
import it.txt.ens.core.impl.BasicENSResource;
import it.txt.ens.core.impl.BasicENSResource.BasicENSResourceFactory;

import java.net.URI;
import java.net.URISyntaxException;

import org.apache.http.client.utils.URIBuilder;
import org.junit.Test;

/**
 * @author Salvatore Piccione (TXT e-solutions SpA - salvatore.piccione AT txtgroup.com)
 * @contributor Domenico Rotondi (TXT e-solutions SpA - domenico.rotondi AT txtgroup.com)
 *
 */
public class BasicENSResourceTest {

    @Test
    public void testCreation() {

        System.out.println(
                "Creation of a " + BasicENSResource.class.getSimpleName() + " instance with full constructor");
        String host = "www.myhost.com";
        String path = "myENSService";
        String namespace = "this is my namespace";
        String pattern = "this.is.my.ens.pattern.*";
        ENSResource resource;
        try {
            resource = testCreation(host, path, namespace, pattern);
            testURI(resource);

        } catch (IllegalArgumentException e) {
            fail(e.getMessage());
            e.printStackTrace();
        }
        System.out.println("TEST SUCCEEDED");
        System.out.println("-----------------------------------------------------------------------");

        System.out.println(
                "Creation of a " + BasicENSResource.class.getSimpleName() + " instance with 3-params constructor");
        host = "www.myhost.com";
        namespace = "this is my second namespace";
        pattern = "this.is.my.second.ens.pattern.*";
        try {
            resource = testCreation(host, null, namespace, pattern);
            testURI(resource);

        } catch (IllegalArgumentException e) {
            fail(e.getMessage());
            e.printStackTrace();
        }
        System.out.println("TEST SUCCEEDED");
    }

    private void testURI(ENSResource resource) {
        URIBuilder uriBuilder = new URIBuilder();
        uriBuilder.addParameter(ENSResource.NAMESPACE_PARAMETER_NAME, resource.getNamespace());
        uriBuilder.addParameter(ENSResource.PATTERN_PARAMETER_NAME, resource.getPattern());
        uriBuilder.setHost(resource.getHost());
        uriBuilder.setPath(resource.getPath());
        uriBuilder.setScheme(ENSResource.URI_SCHEME);

        try {
            assertEquals("Unexpected resourceURI", uriBuilder.build(), resource.getURI());
        } catch (URISyntaxException e) {
            fail(e.getMessage());
            e.printStackTrace();
        }
    }

    private ENSResource testCreation(String host, String path, String namespace, String pattern) {
        ENSResource resource = null;
        BasicENSResourceFactory factory = new BasicENSResourceFactory();
        try {
            if (path == null)
                resource = factory.create(host, namespace, pattern);
            else
                resource = factory.create(host, path, namespace, pattern);

            assertEquals("Unexpected host", host, resource.getHost());
            if (path == null)
                assertEquals("Unexpected path", ENSResource.DEFAULT_PATH, resource.getPath());
            else if (path.startsWith("/"))
                assertEquals("Unexpected path", path, resource.getPath());
            else
                assertEquals("Unexpected path", "/" + path, resource.getPath());
            assertEquals("Unexpected namespace", namespace, resource.getNamespace());
            assertEquals("Unexpected pattern", pattern, resource.getPattern());

        } catch (IllegalArgumentException e) {
            fail(e.getMessage());
            e.printStackTrace();
        } catch (URIBuildingException e) {
            fail(e.getMessage());
            e.printStackTrace();
        }
        return resource;
    }

    @Test
    public void testParsing() throws Exception {
        System.out.println(
                "Creation of a " + BasicENSResource.class.getSimpleName() + " instance with full constructor");
        String host = "www.iot-at-work.eu";
        String path = "/ENS";
        String namespace = "TXT Plant - Energy Monitoring";
        String pattern = "TXTPlant.Cell1.Robots.#";

        //        URIBuilder builder = new URIBuilder().setScheme(ENSResource.URI_SCHEME)
        //            .setHost(host).setPath(path)
        //            .setParameter(ENSResource.NAMESPACE_PARAMETER_NAME, namespace)
        //            .setParameter(ENSResource.PATTERN_PARAMETER_NAME, pattern);
        //        URI uri = builder.build();
        URI uri = new URI("amqp://www.iot-at-work.eu/ENS?Namespace="
                + "TXT%20Plant%20-%20Energy%20Monitoring&Pattern=TXTPlant.Cell1.Robots.%23");
        System.out.println("Resource URI: " + uri);

        ENSResource resource = new BasicENSResourceFactory().create(uri);

        assertEquals(ENSResourceFactory.HOST, host, resource.getHost());
        assertEquals(ENSResourceFactory.PATH, path, resource.getPath());
        assertEquals(ENSResourceFactory.NAMESPACE, namespace, resource.getNamespace());
        assertEquals(ENSResourceFactory.PATTERN, pattern, resource.getPattern());
    }

    //TODO TEST EXCEPTION THROWING

}