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//
// Copyright (C) 2006-2016 Talend Inc. - www.talend.com
//
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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 java.util.Random;

import org.apache.commons.lang.StringUtils;
import org.junit.Before;
import org.junit.Test;

/**
 * created by jgonzalez on 29 juin 2015 Detailled comment
 *
 */
public class GenerateBetweenStringTest {

    private String output;

    private GenerateBetweenString gbs = new GenerateBetweenString();

    @Before
    public void setUp() throws Exception {
        gbs.setRandom(new Random(42));
    }

    @Test
    public void testGood() {
        gbs.parse("10,20", false, new Random(42)); //$NON-NLS-1$
        output = gbs.generateMaskedRow(Function.EMPTY_STRING);
        assertEquals(output, "17"); //$NON-NLS-1$
    }

    @Test
    public void testCheck() {
        gbs.parse("0,100", false, new Random()); //$NON-NLS-1$
        boolean res = true;
        for (int i = 0; i < 10; ++i) {
            String tmp = gbs.generateMaskedRow(null);
            Integer value = StringUtils.isBlank(tmp) ? 0 : Integer.parseInt(tmp);
            res = (value <= 100 && value >= 0);
            assertEquals("Wrong number : " + value, res, true); //$NON-NLS-1$
        }
    }

    @Test
    public void testBad() {
        gbs.parse("jk,df", false, new Random()); //$NON-NLS-1$
        output = gbs.generateMaskedRow(Function.EMPTY_STRING);
        assertEquals(output, ""); //$NON-NLS-1$
    }

}