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package org.apache.james.mime4j.parser;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import org.apache.commons.io.IOUtils;
import org.apache.james.mime4j.MimeException;
import org.apache.james.mime4j.parser.MimeTokenStream;
import junit.framework.TestCase;
public class MultipartStreamTest extends TestCase {
private static final Charset US_ASCII = Charset.forName("us-ascii");
private static final String BODY = "A Preamble\r\n" +
"--1729\r\n\r\n" +
"Simple plain text\r\n" +
"--1729\r\n" +
"Content-Type: text/plain; charset=US-ASCII\r\n\r\n" +
"Some more text\r\n" +
"--1729--\r\n";
public static final String MESSAGE = "To: Road Runner <runner@example.org>\r\n" +
"From: Wile E. Cayote <wile@example.org>\r\n" +
"Date: Tue, 12 Feb 2008 17:34:09 +0000 (GMT)\r\n" +
"Subject: Mail\r\n" +
"Content-Type: multipart/mixed;boundary=1729\r\n\r\n" +
BODY;
public static final String COMPLEX_MESSAGE = "To: Wile E. Cayote <wile@example.org>\r\n" +
"From: Road Runner <runner@example.org>\r\n" +
"Date: Tue, 19 Feb 2008 17:34:09 +0000 (GMT)\r\n" +
"Subject: Mail\r\n" +
"Content-Type: multipart/mixed;boundary=42\r\n\r\n" +
"A little preamble\r\n" +
"--42\r\n" +
"Content-Type: text/plain; charset=US-ASCII\r\n\r\n" +
"Rhubard!\r\n" +
"--42\r\n" +
"Content-Type: message/rfc822\r\n\r\n" +
MESSAGE +
"\r\n" +
"--42\r\n" +
"Content-Type: text/plain; charset=US-ASCII\r\n\r\n" +
"Custard!" +
"\r\n" +
"--42--\r\n";
MimeTokenStream parser;
protected void setUp() throws Exception {
super.setUp();
parser = new MimeTokenStream();
}
protected void tearDown() throws Exception {
super.tearDown();
}
public void testShouldSupplyInputStreamForSimpleBody() throws Exception {
parser.parse(new ByteArrayInputStream(US_ASCII.encode(MESSAGE).array()));
checkState(MimeTokenStream.T_START_HEADER);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_END_HEADER);
checkState(MimeTokenStream.T_START_MULTIPART);
InputStream out = parser.getInputStream();
assertEquals(BODY, IOUtils.toString(out, "us-ascii"));
checkState(MimeTokenStream.T_END_MULTIPART);
}
public void testInputStreamShouldReadOnlyMessage() throws Exception {
parser.parse(new ByteArrayInputStream(US_ASCII.encode(COMPLEX_MESSAGE).array()));
checkState(MimeTokenStream.T_START_HEADER);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_END_HEADER);
checkState(MimeTokenStream.T_START_MULTIPART);
checkState(MimeTokenStream.T_PREAMBLE);
checkState(MimeTokenStream.T_START_BODYPART);
checkState(MimeTokenStream.T_START_HEADER);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_END_HEADER);
checkState(MimeTokenStream.T_BODY);
checkState(MimeTokenStream.T_END_BODYPART);
checkState(MimeTokenStream.T_START_BODYPART);
checkState(MimeTokenStream.T_START_HEADER);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_END_HEADER);
checkState(MimeTokenStream.T_START_MESSAGE);
checkState(MimeTokenStream.T_START_HEADER);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_END_HEADER);
checkState(MimeTokenStream.T_START_MULTIPART);
InputStream out = parser.getInputStream();
assertEquals(BODY, IOUtils.toString(out, "us-ascii"));
checkState(MimeTokenStream.T_END_MULTIPART);
checkState(MimeTokenStream.T_END_MESSAGE);
checkState(MimeTokenStream.T_END_BODYPART);
checkState(MimeTokenStream.T_START_BODYPART);
checkState(MimeTokenStream.T_START_HEADER);
checkState(MimeTokenStream.T_FIELD);
checkState(MimeTokenStream.T_END_HEADER);
checkState(MimeTokenStream.T_BODY);
checkState(MimeTokenStream.T_END_BODYPART);
checkState(MimeTokenStream.T_EPILOGUE);
checkState(MimeTokenStream.T_END_MULTIPART);
checkState(MimeTokenStream.T_END_MESSAGE);
checkState(MimeTokenStream.T_END_OF_STREAM);
}
private void checkState(final int state) throws IOException, MimeException {
assertEquals(MimeTokenStream.stateToString(state), MimeTokenStream.stateToString(parser.next()));
}
}