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// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
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package org.talend.dataquality.datamasking.functions;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.util.Random;

import org.junit.Test;

/**
 * created by jgonzalez on 25 juin 2015 Detailled comment
 *
 */
public class ReplaceNumericStringTest {

    private String input = "abc123def"; //$NON-NLS-1$

    private String output;

    private ReplaceNumericString rns = new ReplaceNumericString();

    @Test
    public void testGood() {
        rns.parse("0", false, new Random(42));
        output = rns.generateMaskedRow(input);
        assertEquals("abc000def", output); //$NON-NLS-1$
    }

    @Test
    public void testEmpty() {
        rns.setKeepEmpty(true);
        output = rns.generateMaskedRow("");
        assertEquals("", output); //$NON-NLS-1$
    }

    @Test
    public void testEmptyParameter() {
        rns.parse(" ", false, new Random(42));
        output = rns.generateMaskedRow(input);
        assertEquals("abc830def", output); //$NON-NLS-1$
    }

    @Test
    public void testBad() {
        try {
            rns.parse("0X", false, new Random(42));
            fail("should get exception with input " + rns.parameters); //$NON-NLS-1$
        } catch (Exception e) {
            assertTrue("expect illegal argument exception ", e instanceof IllegalArgumentException); //$NON-NLS-1$
        }
    }
}