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package org.apache.james.mime4j.dom;

import java.io.ByteArrayOutputStream;

import junit.framework.TestCase;

import org.apache.james.mime4j.dom.Header;
import org.apache.james.mime4j.dom.Multipart;
import org.apache.james.mime4j.field.DefaultFieldParser;
import org.apache.james.mime4j.message.BasicBodyFactory;
import org.apache.james.mime4j.message.BodyPart;
import org.apache.james.mime4j.message.HeaderImpl;
import org.apache.james.mime4j.message.MessageImpl;
import org.apache.james.mime4j.message.MimeWriter;
import org.apache.james.mime4j.message.MultipartImpl;

public class MultipartFormTest extends TestCase {

    public void testMultipartFormContent() throws Exception {
        BasicBodyFactory bodyFactory = new BasicBodyFactory();
        
        MessageImpl message = new MessageImpl();
        Header header = new HeaderImpl();
        header.addField(
                DefaultFieldParser.parse("Content-Type: multipart/form-data; boundary=foo"));
        message.setHeader(header);
        
        Multipart multipart = new MultipartImpl("alternative");
        multipart.setParent(message);
        BodyPart p1 = new BodyPart();
        Header h1 = new HeaderImpl();
        h1.addField(DefaultFieldParser.parse("Content-Type: text/plain"));
        p1.setHeader(h1);
        p1.setBody(bodyFactory.textBody("this stuff"));
        BodyPart p2 = new BodyPart();
        Header h2 = new HeaderImpl();
        h2.addField(DefaultFieldParser.parse("Content-Type: text/plain"));
        p2.setHeader(h2);
        p2.setBody(bodyFactory.textBody("that stuff"));
        BodyPart p3 = new BodyPart();
        Header h3 = new HeaderImpl();
        h3.addField(DefaultFieldParser.parse("Content-Type: text/plain"));
        p3.setHeader(h3);
        p3.setBody(bodyFactory.textBody("all kind of stuff"));

        multipart.addBodyPart(p1);
        multipart.addBodyPart(p2);
        multipart.addBodyPart(p3);
        
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        MimeWriter.DEFAULT.writeMultipart(multipart, out);
        out.close();
        
        String expected = "--foo\r\n" +
            "Content-Type: text/plain\r\n" +
            "\r\n" +
            "this stuff\r\n" +
            "--foo\r\n" +
            "Content-Type: text/plain\r\n" +
            "\r\n" +
            "that stuff\r\n" +
            "--foo\r\n" +
            "Content-Type: text/plain\r\n" +
            "\r\n" +
            "all kind of stuff\r\n" +
            "--foo--\r\n";
        String s = out.toString("US-ASCII");
        assertEquals(expected, s);
    }
    
}