package edu.umd.cloud9.integration.collection.trec;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Random;
import junit.framework.JUnit4TestAdapter;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.util.LineReader;
import org.junit.Test;
import com.google.common.base.Joiner;
import edu.umd.cloud9.collection.DocnoMapping;
import edu.umd.cloud9.collection.trec.TrecDocnoMapping;
import edu.umd.cloud9.collection.trec.TrecForwardIndex;
import edu.umd.cloud9.integration.IntegrationUtils;
public class IntegrationTest {
private static final Random random = new Random();
private static final Path collectionPath = new Path("/shared/collections/trec/trec4-5_noCRFR.xml");
private static final String tmpPrefix = "tmp-" + IntegrationTest.class.getCanonicalName() +
"-" + random.nextInt(10000);
private static final String mappingFile = tmpPrefix + "-mapping.dat";
@Test
public void runTests() throws Exception {
testDocnoMapping();
testDemoCountDocs();
testForwardIndex();
}
private void testDocnoMapping() throws Exception {
Configuration conf = IntegrationUtils.getBespinConfiguration();
FileSystem fs = FileSystem.get(conf);
assertTrue(fs.exists(collectionPath));
String[] args = new String[] { "hadoop jar", IntegrationUtils.getJar("dist", "cloud9"),
edu.umd.cloud9.collection.trec.TrecDocnoMappingBuilder.class.getCanonicalName(),
"-libjars=" + IntegrationUtils.getJar("lib", "guava"),
"-" + DocnoMapping.BuilderUtils.COLLECTION_OPTION + "=" + collectionPath,
"-" + DocnoMapping.BuilderUtils.MAPPING_OPTION + "=" + mappingFile };
IntegrationUtils.exec(Joiner.on(" ").join(args));
TrecDocnoMapping mapping = new TrecDocnoMapping();
mapping.loadMapping(new Path(mappingFile), fs);
assertEquals("FBIS3-1", mapping.getDocid(1));
assertEquals("LA061490-0139", mapping.getDocid(400000));
assertEquals(1, mapping.getDocno("FBIS3-1"));
assertEquals(400000, mapping.getDocno("LA061490-0139"));
}
private void testDemoCountDocs() throws Exception {
Configuration conf = IntegrationUtils.getBespinConfiguration();
FileSystem fs = FileSystem.get(conf);
assertTrue(fs.exists(collectionPath));
String output = tmpPrefix + "-cnt";
String records = tmpPrefix + "-records.txt";
String[] args = new String[] { "hadoop jar", IntegrationUtils.getJar("dist", "cloud9"),
edu.umd.cloud9.collection.trec.CountTrecDocuments.class.getCanonicalName(),
"-libjars=" + IntegrationUtils.getJar("lib", "guava"),
"-collection=" + collectionPath,
"-output=" + output,
"-docnoMapping=" + mappingFile,
"-countOutput=" + records};
IntegrationUtils.exec(Joiner.on(" ").join(args));
LineReader reader = new LineReader(fs.open(new Path(records)));
Text str = new Text();
reader.readLine(str);
reader.close();
assertEquals(472525, Integer.parseInt(str.toString()));
}
private void testForwardIndex() throws Exception {
Configuration conf = IntegrationUtils.getBespinConfiguration();
FileSystem fs = FileSystem.get(conf);
assertTrue(fs.exists(collectionPath));
String index = tmpPrefix + "-findex.dat";
String[] args = new String[] { "hadoop jar", IntegrationUtils.getJar("dist", "cloud9"),
edu.umd.cloud9.collection.trec.TrecForwardIndexBuilder.class.getCanonicalName(),
"-libjars=" + IntegrationUtils.getJar("lib", "guava"),
"-collection=" + collectionPath,
"-index=" + index,
"-docnoMapping=" + mappingFile };
IntegrationUtils.exec(Joiner.on(" ").join(args));
TrecForwardIndex findex = new TrecForwardIndex();
findex.loadIndex(new Path(index), new Path(mappingFile), fs);
assertTrue(findex.getDocument(1).getContent().contains("Newspapers in the Former Yugoslav Republic"));
assertTrue(findex.getDocument("FBIS3-1").getContent().contains("Newspapers in the Former Yugoslav Republic"));
assertEquals(1, findex.getFirstDocno());
assertEquals(472525, findex.getLastDocno());
}
public static junit.framework.Test suite() {
return new JUnit4TestAdapter(IntegrationTest.class);
}
}