/*
* Cloud9: A MapReduce Library for Hadoop
*
* 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.umd.cloud9.webgraph.data;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import junit.framework.JUnit4TestAdapter;
import org.junit.Test;
import edu.umd.cloud9.webgraph.data.AnchorText;
public class AnchorTextTest {
@Test
public void testConstructors() {
AnchorText anchor = new AnchorText();
assertTrue(anchor.isInternalInLink());
assertEquals(anchor.getText(), AnchorTextConstants.EMPTY_STRING);
assertEquals(anchor.getSize(), 0);
assertEquals(anchor.getWeight(), 0, 1e-100);
AnchorText anchor2 = new AnchorText(AnchorTextConstants.Type.EXTERNAL_IN_LINK.val, "text");
assertEquals(anchor2.getText(), "text");
assertEquals(anchor2.getSize(), 0);
AnchorText anchor3 = new AnchorText(AnchorTextConstants.Type.EXTERNAL_OUT_LINK.val, "text");
assertNull(anchor3.getText());
assertEquals(anchor3.getSize(), 0);
AnchorText anchor4 = new AnchorText(AnchorTextConstants.Type.DOCNO_FIELD.val, "text", 100);
assertNull(anchor4.getText());
assertEquals(anchor4.getSize(), 1);
}
@Test
public void testClone() {
AnchorText anchor1 = new AnchorText(AnchorTextConstants.Type.EXTERNAL_OUT_LINK.val, "text", 1);
AnchorText anchor2 = anchor1.clone();
anchor2.setText("some text");
assertTrue(anchor2.equals(anchor1));
anchor2.addDocument(2);
assertNull(anchor2.getText());
assertEquals(anchor2.getSize(), 2);
assertTrue(anchor2.equalsIgnoreSources(anchor1));
AnchorText anchor3 = new AnchorText(AnchorTextConstants.Type.DOCNO_FIELD.val, "text");
anchor3.addDocumentsFrom(anchor2);
anchor3.addDocument(2);
assertNull(anchor3.getText());
assertEquals(anchor3.getSize(), 2);
anchor3.setWeight(1);
assertEquals(anchor3.getWeight(), 0, 1e-100);
assertEquals(anchor3.compareTo(anchor2), 1);
ByteArrayOutputStream bstream = new ByteArrayOutputStream();
DataOutputStream out = new DataOutputStream(bstream);
try {
anchor3.write(out);
out.close();
}catch(Exception e) {
}
DataInputStream in = new DataInputStream(new ByteArrayInputStream(bstream.toByteArray()));
AnchorText readAnchor = new AnchorText();
try {
readAnchor.readFields(in);
in.close();
}catch(Exception e) {
}
assertEquals(anchor3, readAnchor);
assertTrue(anchor3.intersects(anchor2));
assertTrue(anchor3.containsDocument(2));
anchor3.resetToType(AnchorTextConstants.Type.IN_DEGREE.val);
assertNull(anchor3.getText());
anchor3.resetToType(AnchorTextConstants.Type.INTERNAL_IN_LINK.val);
assertEquals(anchor3.getText(), AnchorTextConstants.EMPTY_STRING);
assertTrue(anchor3.isInternalInLink());
assertEquals(anchor3.getSize(), 0);
assertEquals(anchor3.getWeight(), 0, 1e-100);
assertFalse(anchor3.containsDocument(3));
assertFalse(anchor3.intersects(anchor2));
}
@Test
public void testIterable() {
AnchorText anchor = new AnchorText(AnchorTextConstants.Type.EXTERNAL_IN_LINK.val, "text");
anchor.addDocument(1);
anchor.addDocument(2);
anchor.addDocument(3);
int[] sources = anchor.getDocuments();
assertEquals(sources[0], 1);
assertEquals(sources[1], 2);
assertEquals(sources[2], 3);
anchor.resetToType(AnchorTextConstants.Type.URL_FIELD.val);
assertEquals(anchor.getSize(), 0);
for(@SuppressWarnings("unused") int s : anchor)
fail();
}
public static junit.framework.Test suite() {
return new JUnit4TestAdapter(AnchorTextTest.class);
}
}