/*
* Carrot2 project.
*
* Copyright (C) 2002-2016, Dawid Weiss, Stanisław Osiński.
* All rights reserved.
*
* Refer to the full license file "carrot2.LICENSE"
* in the root folder of the repository checkout or at:
* http://www.carrot2.org/carrot2.LICENSE
*/
package org.carrot2.text.preprocessing.filter;
import org.carrot2.text.preprocessing.LabelFilterProcessor;
import org.carrot2.text.preprocessing.LabelFilterTestBase;
import org.junit.Test;
/**
* Test cases for {@link StopWordLabelFilter}.
*/
public class MinLengthLabelFilterTest extends LabelFilterTestBase
{
@Override
protected void initializeFilters(LabelFilterProcessor filterProcessor)
{
filterProcessor.minLengthLabelFilter.enabled = true;
}
@Test
public void testEmpty()
{
final int [] expectedLabelsFeatureIndex = new int [] {};
check(expectedLabelsFeatureIndex);
}
@Test
public void testTooShortWords()
{
createDocuments("aa . aa", "b . b");
final int [] expectedLabelsFeatureIndex = new int [] {};
check(expectedLabelsFeatureIndex);
}
@Test
public void testLongerWords()
{
createDocuments("abc . abc", "abcd . abcd");
final int [] expectedLabelsFeatureIndex = new int []
{
0, 1
};
check(expectedLabelsFeatureIndex);
}
@Test
public void testShortPhrases()
{
createDocuments("a a . a a", "b b . b b");
final int [] expectedLabelsFeatureIndex = new int []
{
2, 3
};
check(expectedLabelsFeatureIndex, 0);
}
}