org.dswarm.graph.test.Neo4jRunningDBWrapper.java Source code

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Here is the source code for org.dswarm.graph.test.Neo4jRunningDBWrapper.java

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/**
 * This file is part of d:swarm graph extension.
 *
 * d:swarm graph extension is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * d:swarm graph extension is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with d:swarm graph extension.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.dswarm.graph.test;

import java.io.IOException;
import java.net.URL;
import java.util.Properties;

import com.google.common.io.Resources;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import org.junit.After;
import org.junit.Assert;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 *
 * @author tgaengler
 *
 */
public class Neo4jRunningDBWrapper implements Neo4jDBWrapper {

    private static final Logger LOG = LoggerFactory.getLogger(Neo4jRunningDBWrapper.class);

    protected final String graphEndpoint;

    public Neo4jRunningDBWrapper() {

        final URL resource = Resources.getResource("dmpgraph.properties");
        final Properties properties = new Properties();

        try {

            properties.load(resource.openStream());
        } catch (final IOException e) {

            LOG.error("Could not load dmpgraph.properties", e);
        }

        graphEndpoint = properties.getProperty("dmp_graph_endpoint", "http://localhost:7474/graph");

        Neo4jRunningDBWrapper.LOG.info("DMP graph endpoint URI is = '{}'", graphEndpoint);
    }

    @After
    public void tearDown() {

        // TODO: we may need to remove this and replace this with a more precise delete method

        LOG.debug("clean-up DB after test has finished");

        final ClientResponse response = service().path("/maintain/delete").delete(ClientResponse.class);

        Assert.assertEquals("expected 200", 200, response.getStatus());
    }

    @Override
    public Client client() {

        final Client c = Client.create();
        c.setChunkedEncodingSize(1024);

        return c;
    }

    @Override
    public WebResource service() {

        final Client c = client();

        return c.resource(graphEndpoint);
    }

    @Override
    public WebResource base() {

        final String baseURI = graphEndpoint.substring(0, graphEndpoint.lastIndexOf("/"));

        final Client c = client();

        return c.resource(baseURI);
    }

    @Override
    public void startServer() throws IOException {

        // nothing to do here, the server should already run ;)

    }

    @Override
    public boolean checkServer() {

        // TODO add check for running server

        return true;
    }

    @Override
    public void stopServer() {

        // nothing to do here, the server should also run afterwards ;)
    }
}