LengthFilterTest.java

package com.miguelfonseca.completely.text.analyze.filter;

import com.miguelfonseca.completely.text.analyze.AbstractAnalyzerTest;

import org.junit.Test;

import static org.junit.Assert.assertEquals;

@SuppressWarnings("checkstyle:multiplestringliterals")
public class LengthFilterTest extends AbstractAnalyzerTest<LengthFilter>
{
    public LengthFilterTest()
    {
        super(new LengthFilter(2, 3));
    }

    @Test
    public void testApply()
    {
        Object[] result = analyzer.apply("a", "aa", "aaa", "aaaa").toArray();
        assertEquals(2, result.length);
        assertEquals("aa", result[0]);
        assertEquals("aaa", result[1]);
    }

    @Test
    public void testApplyNullElement()
    {
        exceptionRule.expect(NullPointerException.class);
        analyzer.apply((String) null);
    }
}