UNIT TEST getLastName Helper

NameHelperTest.java

package com.wordpress.eecchhoo.javaholic.helper;

import org.junit.Assert;
import org.junit.Test;

/**
 * @author Eko Khannedy
 */
public class NameHelperTest {

    @Test
    public void testGetLastNameValid() throws Exception {
        // test data valid
        String fullName = "Eko Khannedy";
        String lastName = NameHelper.getLastName(fullName);

        // last name harus Khannedy
        Assert.assertEquals("Khannedy", lastName);
    }

    @Test
    public void testGetLastNameOnlyOneWord() throws Exception {
        // test satu kata
        String fullName = "Eko";
        String lastName = NameHelper.getLastName(fullName);

        // last name harus NULL
        Assert.assertNull(lastName);
    }

    @Test
    public void testGetLastNameNull() throws Exception {
        // test NULL
        String fullName = null;
        String lastName = NameHelper.getLastName(fullName);

        // last name harus null
        Assert.assertNull(lastName);
    }

    @Test
    public void testGetLastNameMoreThan2Words() throws Exception {
        // test satu kata
        String fullName = "Eko Kurniawan Khannedy";
        String lastName = NameHelper.getLastName(fullName);

        // last name harus Khannedy
        Assert.assertEquals("Khannedy", lastName);
    }
}