Metacat

package edu.ucsb.nceas.metacat.index;

import static org.junit.Assert.assertTrue;

import edu.ucsb.nceas.metacat.common.SolrServerFactory;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.StringWriter;

import java.io.Writer;

import java.util.ArrayList;

import java.util.List;

import org.apache.solr.client.solrj.SolrServer;

import org.apache.solr.client.solrj.SolrServerException;

import org.apache.solr.client.solrj.embedded.EmbeddedSolrServer;

import org.apache.solr.client.solrj.response.QueryResponse;

import org.apache.solr.common.params.SolrParams;

import org.apache.solr.core.CoreContainer;

import org.apache.solr.core.SolrCore;

import org.apache.solr.request.LocalSolrQueryRequest;

import org.apache.solr.response.SolrQueryResponse;

import org.apache.solr.response.XMLResponseWriter;

import org.apache.solr.servlet.SolrRequestParsers;

import org.dataone.service.types.v1.Identifier;

import org.dataone.service.types.v1.SystemMetadata;

import org.dataone.service.util.TypeMarshaller;

import org.junit.Before;

import org.junit.Test;

public class SolrIndexIT  {

    private static final String SYSTEMMETAFILEPATH = "src/test/resources/eml-system-meta-example.xml";

    private static final String EMLFILEPATH = "src/test/resources/eml-example.xml";

    private static final String SYSTEMMETAUPDATEFILEPATH = "src/test/resources/eml-updating-system-meta-example.xml";

    private static final String EMLUPDATEFILEPATH = "src/test/resources/eml-updating-example.xml";

    private static final String SYSTEMMETAARCHIVEFILEPATH = "src/test/resources/eml-archive-system-meta-example.xml";

    private static final String id = "urn:uuid:606a19dd-b531-4bf4-b5a5-6d06c3d39098";

    private static final String newId = "urn:uuid:606a19dd-b531-4bf4-b5a5-6d06c3d39099";

	private SolrIndex solrIndex = null;

    @Before

    public void setUp() throws Exception {

            solrIndex  = generateSolrIndex();

    }

    public static SolrIndex generateSolrIndex() throws Exception {

        String springConfigFile = "/index-processor-context.xml";

        String metacatPropertyFile = null; //in this test, we use the test.properties file rather than metacat.properties file. so set it to be null.

        ApplicationController controller = new ApplicationController(springConfigFile, metacatPropertyFile);

        controller.initialize();

        List<SolrIndex> list = controller.getSolrIndexes();

        SolrIndex[] solrIndexesarray = list.toArray(new SolrIndex[list.size()]);

        SolrIndex index = solrIndexesarray[0];

        //SolrServer solrServer = SolrServerFactory.createSolrServer();

        //index.setSolrServer(solrServer);

        return index;

    }

    /**

     * Test building index for an insert.

     */

    @Test

    public void testInsert() throws Exception {

       //InputStream systemInputStream = new FileInputStream(new File(SYSTEMMETAFILEPATH));

       SystemMetadata systemMetadata = TypeMarshaller.unmarshalTypeFromFile(SystemMetadata.class, SYSTEMMETAFILEPATH);

       InputStream emlInputStream = new FileInputStream(new File(EMLFILEPATH)); 

       //List<String> chain = null;

       Identifier pid = new Identifier();

       pid.setValue(id);

       solrIndex.update(pid, systemMetadata, emlInputStream);

       String result = doQuery(solrIndex.getSolrServer());

       List<String> ids = solrIndex.getSolrIds();

       //assertTrue(ids.size() == 1);

       boolean foundId = false;

       for(String identifiers :ids) {

           if(id.equals(identifiers)) {

               foundId = true;

           }

       }

       assertTrue(foundId);

       assertTrue(result.contains("version1"));

    }

    /**

     * Test building index for an insert.

     */

    @Test

    public void testUpdate() throws Exception {

       //InputStream systemInputStream = new FileInputStream(new File(SYSTEMMETAFILEPATH));

       SystemMetadata systemMetadata = TypeMarshaller.unmarshalTypeFromFile(SystemMetadata.class, SYSTEMMETAUPDATEFILEPATH);

       InputStream emlInputStream = new FileInputStream(new File(EMLUPDATEFILEPATH));  

       /*obsoletes.add(id);

       obsoletes.add("tao");*/

       Identifier pid = new Identifier();

       pid.setValue(newId);

       solrIndex.update(pid, systemMetadata, emlInputStream);

       String result = doQuery(solrIndex.getSolrServer());

       assertTrue(result.contains("version1"));

       assertTrue(result.contains("version2"));

    }

    /**

     * Test building index for an insert.

     */

    @Test

    public void testArchive() throws Exception {

       SolrIndex solrIndex = generateSolrIndex();

       //InputStream systemInputStream = new FileInputStream(new File(SYSTEMMETAFILEPATH));

       //System metadata's archive is true.

       SystemMetadata systemMetadata = TypeMarshaller.unmarshalTypeFromFile(SystemMetadata.class, SYSTEMMETAARCHIVEFILEPATH);

       InputStream emlInputStream = new FileInputStream(new File(EMLUPDATEFILEPATH));    

       /*ArrayList<String> obsoletes = new ArrayList<String>();

       obsoletes.add(id);

       obsoletes.add("tao");*/

       Identifier pid = new Identifier();

       pid.setValue(newId);

       solrIndex.update(pid, systemMetadata, emlInputStream);

       String result = doQuery(solrIndex.getSolrServer());

       assertTrue(result.contains("version1"));

       assertTrue(!result.contains("version2"));

    }

    /*

     * Do query

     */

    public static String doQuery(SolrServer server)

                    throws SolrServerException {

                StringBuffer request = new StringBuffer();

                request.append("q=" + "*:*");

                SolrParams solrParams = SolrRequestParsers.parseQueryString(request

                        .toString());

                QueryResponse reponse = server.query(solrParams);

                String result = toXML(solrParams, reponse);

                System.out.println("**************************************************************************");

                System.out.println("The query result:\n");

                System.out.println(result);

                System.out.println("**************************************************************************");

                return result;

    }

    /*

     * Transform the query response to the xml format.

     */

    private static String toXML(SolrParams request, QueryResponse response) {

        XMLResponseWriter xmlWriter = new XMLResponseWriter();

        Writer w = new StringWriter();

        SolrQueryResponse sResponse = new SolrQueryResponse();

        sResponse.setAllValues(response.getResponse());

        try {

            SolrCore core = null;

            CoreContainer container = SolrServerFactory.getCoreContainer();

            core = container.getCore("collection1");

            xmlWriter.write(w, new LocalSolrQueryRequest(core, request), sResponse);

        } catch (Exception e) {

            throw new RuntimeException("Unable to convert Solr response into XML", e);

        }

        return w.toString();

    }

}