//
// Copyright (c) 2011 Linkeos.
//
// This file is part of Elveos.org.
// Elveos.org is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation, either version 3 of the License, or (at your
// option) any later version.
//
// Elveos.org is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
// You should have received a copy of the GNU General Public License along
// with Elveos.org. If not, see http://www.gnu.org/licenses/.
//
package com.bloatit.framework.webserver.mime.decoders;

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

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import org.junit.Test;

import com.bloatit.framework.xcgiserver.mime.DecodingOuputStream;
import com.bloatit.framework.xcgiserver.mime.decoders.MimeBase64Decoder;

public class MimeBase64DecoderTest {

    @Test
    public void testOKBase64() {
        final String b64 = "VW4gYWxwaGFiZXQgZGUgNjUgY2FyYWN0w6hyZXMgZXN0IHV0aWxpc8OpIHBvdXIgcGVybWV0dHJlI"
                + "GxhIHJlcHLDqXNlbnRhdGlvbiBkZSA2IGJpdHMgcGFyIHVuIGNhcmFjdMOocmUgc2ltcGxlLiBMZSA2NWUgY2"
                + "FyYWN0w6hyZSAoc2lnbmUgJz0nKSBuJ2VzdCB1dGlsaXPDqSBxdSdlbiBjb21wbMOpbWVudCBmaW5hbCBkY"
                + "W5zIGxlIHByb2Nlc3N1cyBkZSBjb2RhZ2UgZCd1biBtZXNzYWdlLg==";

        final String decoded = "Un alphabet de 65 caractères est utilisé pour permettre la représentation de "
                + "6 bits par un caractère simple. Le 65e caractère (signe '=') n'est utilisé qu'en "
                + "complément final dans le processus de codage d'un message.";

        final ByteArrayOutputStream output = new ByteArrayOutputStream();
        final MimeBase64Decoder codec = new MimeBase64Decoder();
        final DecodingOuputStream dos = new DecodingOuputStream(output, codec);
        try {
            dos.write(b64.getBytes());
            dos.flush();
            assertTrue(output.toString().equals(decoded));
        } catch (final IOException e) {
            fail();
        }
    }

    @Test
    public void testFailBase64() {
        final String b64 = "VW4gYWxwaGFiZXQgZGUgNjUgY2FyYWN0w6hyZXMgZXN0IHV0aWxpc8OpIHBvdXIgcGVybWV0dHJlI"
                + "GxhIHJlcHLDqXNlbnRhdGlvbiBkZSA2IGJpdHMgcGFyIHVuIGNhcmFjdMOocmUgc2ltcGxlLiBMZSA2NWUgY2"
                + "FyYWN0w6hyZSAoc2lnbmUgJz0nKSBuJ2VzdCB1dGlsaXPDqSBxdSdlbiBjb21wbMOpbWVudCBmaW5hbCBkY"
                + "W5zIGxlIHByb2Nlc3N1cyBkZSBjb2RhZ2UgZCd1biBtZXNzYWdlL==";

        final ByteArrayOutputStream output = new ByteArrayOutputStream();
        final MimeBase64Decoder codec = new MimeBase64Decoder();
        final DecodingOuputStream dos = new DecodingOuputStream(output, codec);
        try {
            dos.write(b64.getBytes());
            dos.flush();
            fail();
        } catch (final IllegalArgumentException e) {
            assertTrue(true);
        } catch (final IOException e) {
            fail();
        }
    }

}