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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
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
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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;

public class BetweenIndexesRemoveTest {

    private BetweenIndexesRemove bir = new BetweenIndexesRemove();

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

    private String output;

    @Test
    public void testGood() {
        bir.parse("2, 4", false, new Random(42));
        output = bir.generateMaskedRow(input);
        assertEquals("Se", output); //$NON-NLS-1$
    }

    @Test
    public void testEmpty() {
        bir.parse("2, 4", false, new Random(42));
        output = bir.generateMaskedRow("");
        assertEquals("", output); //$NON-NLS-1$
    }

    @Test
    public void testNegativeParameter() {
        try {
            bir.parse("-2, 8", false, new Random(42));
            fail("should get exception with input " + bir.parameters); //$NON-NLS-1$
        } catch (Exception e) {
            assertTrue("expect illegal argument exception ", e instanceof IllegalArgumentException); //$NON-NLS-1$
        }
        output = bir.generateMaskedRow(input);
        assertEquals("", output); //$NON-NLS-1$
    }

    @Test
    public void testSwitchParameter() {
        try {
            bir.parse("4, 2", false, new Random(42));
            fail("should get exception with input " + bir.parameters); //$NON-NLS-1$
        } catch (Exception e) {
            assertTrue("expect illegal argument exception ", e instanceof IllegalArgumentException); //$NON-NLS-1$
        }
        output = bir.generateMaskedRow(input);
        assertEquals("", output); //$NON-NLS-1$
    }

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

    @Test
    public void testDummyParameters() {
        bir.parse("423,452", false, new Random(42));
        output = bir.generateMaskedRow(input);
        assertEquals(input, output);
    }

}