AtomDCToMODSFilterTest.java

/**
 * Copyright 2008 The University of North Carolina at Chapel Hill
 *
 * 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.
 */
package edu.unc.lib.dl.update;

import static edu.unc.lib.dl.test.TestHelpers.setField;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyString;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.mockito.MockitoAnnotations.initMocks;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Map;

import javax.annotation.Resource;

import org.apache.abdera.Abdera;
import org.apache.abdera.model.Document;
import org.apache.abdera.model.Entry;
import org.apache.abdera.parser.Parser;
import org.apache.commons.io.FileUtils;
import org.apache.log4j.Logger;
import org.jdom2.Element;
import org.jdom2.output.Format;
import org.jdom2.output.XMLOutputter;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import edu.unc.lib.dl.fedora.AccessClient;
import edu.unc.lib.dl.fedora.PID;
import edu.unc.lib.dl.fedora.types.MIMETypedStream;
import edu.unc.lib.dl.schematron.SchematronValidator;
import edu.unc.lib.dl.util.AtomPubMetadataParserUtil;
import edu.unc.lib.dl.util.ContentModelHelper;
import edu.unc.lib.dl.util.VocabularyHelperManager;
import edu.unc.lib.dl.xml.JDOMNamespaceUtil;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "/service-context.xml" })
public class AtomDCToMODSFilterTest extends Assert {
	@Resource
	private SchematronValidator schematronValidator;
	private AtomDCToMODSFilter filter;

	@Mock
	private VocabularyHelperManager vocabManager;

	private static Logger log = Logger.getLogger(AtomDCToMODSFilter.class);

	@Before
	public void init() throws Exception {
		initMocks(this);

		filter = new AtomDCToMODSFilter();
		filter.setSchematronValidator(schematronValidator);
		setField(filter, "vocabManager", vocabManager);
	}

	@Test
	public void addNewMODSFromDCTerms() throws Exception {
		InputStream entryPart = new FileInputStream(new File("src/test/resources/atompub/metadataDC.xml"));
		Abdera abdera = new Abdera();
		Parser parser = abdera.getParser();
		Document<Entry> entryDoc = parser.parse(entryPart);
		Entry entry = entryDoc.getRoot();

		AccessClient accessClient = mock(AccessClient.class);
		when(accessClient.getDatastreamDissemination(any(PID.class), anyString(), anyString())).thenReturn(null);

		PID pid = new PID("uuid:test");

		AtomPubMetadataUIP uip = new AtomPubMetadataUIP(pid, "testuser", UpdateOperation.ADD, entry);

		assertEquals(0, uip.getOriginalData().size());
		assertEquals(0, uip.getModifiedData().size());
		assertEquals(2, uip.getIncomingData().size());

		uip.storeOriginalDatastreams(accessClient);

		assertFalse(uip.getOriginalData().containsKey(ContentModelHelper.Datastream.MD_DESCRIPTIVE.getName()));
		assertFalse(uip.getOriginalData().containsKey(AtomPubMetadataParserUtil.ATOM_DC_DATASTREAM));
		assertTrue(uip.getIncomingData().containsKey(ContentModelHelper.Datastream.MD_DESCRIPTIVE.getName()));
		assertTrue(uip.getIncomingData().containsKey(AtomPubMetadataParserUtil.ATOM_DC_DATASTREAM));

		filter.doFilter(uip);

		XMLOutputter outputter = new XMLOutputter(Format.getPrettyFormat());
		log.debug(outputter.outputString(uip.getModifiedData().get(ContentModelHelper.Datastream.MD_DESCRIPTIVE.getName())));

		assertFalse(uip.getOriginalData().containsKey(ContentModelHelper.Datastream.MD_DESCRIPTIVE.getName()));
		assertFalse(uip.getOriginalData().containsKey(AtomPubMetadataParserUtil.ATOM_DC_DATASTREAM));
		assertTrue(uip.getModifiedData().containsKey(ContentModelHelper.Datastream.MD_DESCRIPTIVE.getName()));
		assertFalse(uip.getModifiedData().containsKey(AtomPubMetadataParserUtil.ATOM_DC_DATASTREAM));
		assertTrue(uip.getIncomingData().containsKey(ContentModelHelper.Datastream.MD_DESCRIPTIVE.getName()));
		assertTrue(uip.getIncomingData().containsKey(AtomPubMetadataParserUtil.ATOM_DC_DATASTREAM));

		Element modsElement = uip.getModifiedData().get(ContentModelHelper.Datastream.MD_DESCRIPTIVE.getName());
		assertTrue(modsElement.getChildren().size() > 0);
	}

	@Test
	public void addNewMODSWithDCTerms() throws Exception {
		AtomPubMetadataUIP uip = mock(AtomPubMetadataUIP.class);

		@SuppressWarnings("unchecked")
		Map<String,Element> incomingData = mock(Map.class);
		when(incomingData.get(eq(AtomPubMetadataParserUtil.ATOM_DC_DATASTREAM))).thenReturn(new Element("atom_dc"));
		when(incomingData.get(eq(ContentModelHelper.Datastream.MD_DESCRIPTIVE.getName()))).thenReturn(new Element("mods"));
		when(incomingData.containsKey(eq(ContentModelHelper.Datastream.MD_DESCRIPTIVE.getName()))).thenReturn(true);
		when(incomingData.containsKey(eq(AtomPubMetadataParserUtil.ATOM_DC_DATASTREAM))).thenReturn(true);

		when(uip.getIncomingData()).thenReturn(incomingData);

		filter.doFilter(uip);

		// No changes should occur since there is also a mods record incoming
		verify(incomingData, times(1)).get(eq(ContentModelHelper.Datastream.MD_DESCRIPTIVE.getName()));
		verify(uip, never()).getModifiedData();
	}

	@Test
	public void replaceMODSWithDCTerms() throws Exception {
		InputStream entryPart = new FileInputStream(new File("src/test/resources/atompub/metadataDC.xml"));
		Abdera abdera = new Abdera();
		Parser parser = abdera.getParser();
		Document<Entry> entryDoc = parser.parse(entryPart);
		Entry entry = entryDoc.getRoot();

		AccessClient accessClient = mock(AccessClient.class);

		MIMETypedStream modsStream = new MIMETypedStream();
		File raf = new File("src/test/resources/testmods.xml");
		byte[] bytes = FileUtils.readFileToByteArray(raf);
		modsStream.setStream(bytes);
		modsStream.setMIMEType("text/xml");
		when(
				accessClient.getDatastreamDissemination(any(PID.class),
						eq(ContentModelHelper.Datastream.MD_DESCRIPTIVE.getName()), anyString())).thenReturn(modsStream);

		PID pid = new PID("uuid:test");

		AtomPubMetadataUIP uip = new AtomPubMetadataUIP(pid, "testuser", UpdateOperation.REPLACE, entry);
		uip.storeOriginalDatastreams(accessClient);

		filter.doFilter(uip);

		Element dcTitleElement = uip.getIncomingData().get(AtomPubMetadataParserUtil.ATOM_DC_DATASTREAM);
		String dcTitle = dcTitleElement.getChildText("title", JDOMNamespaceUtil.DCTERMS_NS);

		Element oldMODSElement = uip.getOriginalData().get(ContentModelHelper.Datastream.MD_DESCRIPTIVE.getName());
		String oldMODSTitle = oldMODSElement.getChild("titleInfo", JDOMNamespaceUtil.MODS_V3_NS).getChildText("title", JDOMNamespaceUtil.MODS_V3_NS);

		Element modsElement = uip.getModifiedData().get(ContentModelHelper.Datastream.MD_DESCRIPTIVE.getName());
		String newMODSTitle = modsElement.getChild("titleInfo", JDOMNamespaceUtil.MODS_V3_NS).getChildText("title", JDOMNamespaceUtil.MODS_V3_NS);

		assertEquals("Title", dcTitle);
		assertEquals("Hiring and recruitment practices in academic libraries", oldMODSTitle);
		assertEquals(dcTitle, newMODSTitle);

		assertEquals(1, uip.getOriginalData().size());
		assertEquals(1, uip.getModifiedData().size());
		assertEquals(2, uip.getIncomingData().size());
	}

	@Test
	public void wrongUIPType() throws UIPException{
		ContentUIP uip = mock(ContentUIP.class);

		filter.doFilter(uip);

		verify(uip, times(0)).getIncomingData();
		verify(uip, times(0)).getModifiedData();
	}
}