Metacat

/**

 *  '$RCSfile$'

 *  Copyright: 2010 Regents of the University of California and the

 *              National Center for Ecological Analysis and Synthesis

 *  Purpose: To test the Access Controls in metacat by JUnit

 *

 *   '$Author: tao $'

 *     '$Date: 2015-02-06 15:23:44 -0800 (Fri, 06 Feb 2015) $'

 * '$Revision: 9104 $'

 *

 * This program 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 2 of the License, or

 * (at your option) any later version.

 *

 * This program 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 this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

package edu.ucsb.nceas.metacat.dataone;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.Reader;

import java.math.BigInteger;

import java.util.Date;

import java.util.List;

import org.apache.wicket.protocol.http.mock.MockHttpServletRequest;

import org.dataone.client.D1Node;

import org.dataone.client.NodeLocator;

import org.dataone.client.exception.ClientSideException;

import org.dataone.client.v2.CNode;

import org.dataone.client.v2.itk.D1Client;

import org.dataone.client.v2.formats.ObjectFormatCache;

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

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

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

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

import org.dataone.service.types.v2.Node;

import org.dataone.service.types.v2.ObjectFormatList;

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

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

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

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

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

import org.dataone.service.types.v2.SystemMetadata;

import org.dataone.service.types.v1.util.ChecksumUtil;

import org.dataone.service.types.v2.util.ObjectFormatServiceImpl;

import org.dataone.service.util.Constants;

import org.dataone.service.util.TypeMarshaller;

import edu.ucsb.nceas.MCTestCase;

import edu.ucsb.nceas.metacat.client.Metacat;

import edu.ucsb.nceas.metacat.client.MetacatFactory;

/**

 * A JUnit superclass for testing the dataone Node implementations

 */

public class D1NodeServiceTest extends MCTestCase {   

    protected MockHttpServletRequest request;

	/**

    * constructor for the test

    */

    public D1NodeServiceTest(String name) {

        super(name);

        // set up the fake request (for logging)

        request = new MockHttpServletRequest(null, null, null);

    }

    /**

	 * Establish a testing framework by initializing appropriate objects

	 */

    public void setUp() throws Exception {

    	super.setUp();

		NodeLocator nodeLocator = new NodeLocator() {

			@Override

			public D1Node getCNode() throws ClientSideException {

			    D1Node node = null;

			    try {

			        node = new MockCNode();

			    } catch (IOException e) {

			        throw new ClientSideException(e.getMessage());

			    }

				return node;

			}

		};

		D1Client.setNodeLocator(nodeLocator );

    }

	/**

	 * Release any objects after tests are complete

	 */

	public void tearDown() {

		// set back to force it to use defaults

		D1Client.setNodeLocator(null);

	}

	/**

	 * constructs a "fake" session with a test subject

	 * @return

	 */

	public Session getTestSession() throws Exception {

		Session session = new Session();

        Subject subject = new Subject();

        subject.setValue("cn=test,dc=dataone,dc=org");

        session.setSubject(subject);

        return session;

	}

	/**

	 * constructs a "fake" session with the MN subject

	 * @return

	 */

	public Session getMNSession() throws Exception {

		Session session = new Session();

        Subject subject = MNodeService.getInstance(request).getCapabilities().getSubject(0);

        session.setSubject(subject);

        return session;

	}

	public Session getCNSession() throws Exception {

		Session session = new Session();

		Subject subject = null;

		CNode cn = D1Client.getCN();

		List<Node> nodes = cn.listNodes().getNodeList();

		// find the first CN in the node list

		for (Node node : nodes) {

			if (node.getType() == NodeType.CN) {

				subject = node.getSubject(0);

				break;

			}

		}

		session.setSubject(subject);

		return session;

	}

	/**

	 * Run an initial test that always passes to check that the test harness is

	 * working.

	 */

	public void initialize() 

	{

	    printTestHeader("initialize");

		assertTrue(1 == 1);

	}

	/**

	 * create system metadata with a specified id

	 */

	public SystemMetadata createSystemMetadata(Identifier id, Subject owner, InputStream object)

	  throws Exception

	{

	    SystemMetadata sm = new SystemMetadata();

	    sm.setSerialVersion(BigInteger.valueOf(1));

        // set the id

        sm.setIdentifier(id);

        sm.setFormatId(ObjectFormatCache.getInstance().getFormat("application/octet-stream").getFormatId());

        // create the checksum

        Checksum checksum = new Checksum();

        String ca = "MD5";

        checksum.setValue("test");

        checksum.setAlgorithm(ca);

        // actually generate one

        if (object != null) {

            checksum = ChecksumUtil.checksum(object, ca);

        }

        sm.setChecksum(checksum);

        // set the size

        sm.setSize(new BigInteger("0"));

        sm.setSubmitter(owner);

        sm.setRightsHolder(owner);

        sm.setDateUploaded(new Date());

        sm.setDateSysMetadataModified(new Date());

        NodeReference nr = new NodeReference();

        nr.setValue("metacat");

        sm.setOriginMemberNode(nr);

        sm.setAuthoritativeMemberNode(nr);

		// set the access to public read

        AccessPolicy accessPolicy = new AccessPolicy();

        AccessRule allow = new AccessRule();

        allow.addPermission(Permission.READ);

        Subject publicSubject = new Subject();

        publicSubject.setValue(Constants.SUBJECT_PUBLIC);

		allow.addSubject(publicSubject);

		accessPolicy.addAllow(allow);

        sm.setAccessPolicy(accessPolicy);

        return sm;

	}

	/**

	 * For fresh Metacat installations without the Object Format List

	 * we insert the default version from d1_common.jar

	 */

	protected void setUpFormats() {

		try {

			Metacat m = MetacatFactory.createMetacatConnection(metacatUrl);

			m.login(username, password);

			// check if it exists already

			InputStream is = null;

			try {

				is = m.read(ObjectFormatService.OBJECT_FORMAT_DOCID);

			} catch (Exception e) {

				// probably missing the doc

			}

			if (is != null) {

				// check for v2 OFL

				try {

					ObjectFormatList ofl = TypeMarshaller.unmarshalTypeFromStream(ObjectFormatList.class, is);

				} catch (ClassCastException cce) {

					// need to update it

					InputStream formats = ObjectFormatServiceImpl.getInstance().getObjectFormatFile();

					Reader xmlDocument = new InputStreamReader(formats);

					int rev = m.getNewestDocRevision(ObjectFormatService.OBJECT_FORMAT_DOCID);

					rev++;

					m.update(ObjectFormatService.OBJECT_FORMAT_DOCID + "." + rev, xmlDocument, null);

				}

			}

			else {

				// get the default from d1_common

				InputStream formats = ObjectFormatServiceImpl.getInstance().getObjectFormatFile();

				Reader xmlDocument = new InputStreamReader(formats);

				m.insert(ObjectFormatService.OBJECT_FORMAT_DOCID + ".1", xmlDocument, null);

			}

			m.logout();

		} catch (Exception e) {

			// any number of things could go wrong

			e.printStackTrace();

		}

	}

	/**

	 * print a header to start each test

	 */

	protected void printTestHeader(String testName)

	{

	    System.out.println();

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

	}

}