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Unit test for recursive 8bit -> 7bit message conversion

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Joe Steele 2013-09-02 19:55:10 -04:00
parent 45e3d8459e
commit 074159f442
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tests/src/com/fsck/k9/mail/MessageTest.java Normal file
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package com.fsck.k9.mail;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.commons.io.IOUtils;
import org.apache.james.mime4j.codec.Base64InputStream;
import org.apache.james.mime4j.util.MimeUtil;
import android.test.AndroidTestCase;
import com.fsck.k9.mail.Message.RecipientType;
import com.fsck.k9.mail.internet.BinaryTempFileBody;
import com.fsck.k9.mail.internet.BinaryTempFileMessageBody;
import com.fsck.k9.mail.internet.MimeBodyPart;
import com.fsck.k9.mail.internet.MimeHeader;
import com.fsck.k9.mail.internet.MimeMessage;
import com.fsck.k9.mail.internet.MimeMultipart;
import com.fsck.k9.mail.internet.MimeUtility;
import com.fsck.k9.mail.internet.TextBody;
public class MessageTest extends AndroidTestCase {
private static final String EIGHT_BIT_RESULT =
"From: from@example.com\r\n"
+ "To: to@example.com\r\n"
+ "Subject: Test Message\r\n"
+ "Date: Wed, 28 Aug 2013 08:51:09 -0400\r\n"
+ "MIME-Version: 1.0\r\n"
+ "Content-Type: multipart/mixed; boundary=\"----Boundary103\"\r\n"
+ "Content-Transfer-Encoding: 8bit\r\n"
+ "\r\n"
+ "------Boundary103\r\n"
+ "Content-Type: text/plain;\n"
+ " charset=utf-8\r\n"
+ "Content-Transfer-Encoding: 8bit\r\n"
+ "\r\n"
+ "Testing.\r\n"
+ "This is a text body with some greek characters.\r\n"
+ "αβγδεζηθ\r\n"
+ "End of test.\r\n"
+ "\r\n"
+ "------Boundary103\r\n"
+ "Content-Type: text/plain;\n"
+ " charset=utf-8\r\n"
+ "Content-Transfer-Encoding: quoted-printable\r\n"
+ "\r\n"
+ "Testing=2E\r\n"
+ "This is a text body with some greek characters=2E\r\n"
+ "=CE=B1=CE=B2=CE=B3=CE=B4=CE=B5=CE=B6=CE=B7=CE=B8\r\n"
+ "End of test=2E\r\n"
+ "\r\n"
+ "------Boundary103\r\n"
+ "Content-Type: application/octet-stream\r\n"
+ "Content-Transfer-Encoding: base64\r\n"
+ "\r\n"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\r\n"
+ "\r\n"
+ "------Boundary103\r\n"
+ "Content-Type: message/rfc822\r\n"
+ "Content-Disposition: attachment\r\n"
+ "Content-Transfer-Encoding: 8bit\r\n"
+ "\r\n"
+ "From: from@example.com\r\n"
+ "To: to@example.com\r\n"
+ "Subject: Test Message\r\n"
+ "Date: Wed, 28 Aug 2013 08:51:09 -0400\r\n"
+ "MIME-Version: 1.0\r\n"
+ "Content-Type: multipart/mixed; boundary=\"----Boundary102\"\r\n"
+ "Content-Transfer-Encoding: 8bit\r\n"
+ "\r\n"
+ "------Boundary102\r\n"
+ "Content-Type: text/plain;\n"
+ " charset=utf-8\r\n"
+ "Content-Transfer-Encoding: 8bit\r\n"
+ "\r\n"
+ "Testing.\r\n"
+ "This is a text body with some greek characters.\r\n"
+ "αβγδεζηθ\r\n"
+ "End of test.\r\n"
+ "\r\n"
+ "------Boundary102\r\n"
+ "Content-Type: text/plain;\n"
+ " charset=utf-8\r\n"
+ "Content-Transfer-Encoding: quoted-printable\r\n"
+ "\r\n"
+ "Testing=2E\r\n"
+ "This is a text body with some greek characters=2E\r\n"
+ "=CE=B1=CE=B2=CE=B3=CE=B4=CE=B5=CE=B6=CE=B7=CE=B8\r\n"
+ "End of test=2E\r\n"
+ "\r\n"
+ "------Boundary102\r\n"
+ "Content-Type: application/octet-stream\r\n"
+ "Content-Transfer-Encoding: base64\r\n"
+ "\r\n"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\r\n"
+ "\r\n"
+ "------Boundary102\r\n"
+ "Content-Type: message/rfc822\r\n"
+ "Content-Disposition: attachment\r\n"
+ "Content-Transfer-Encoding: 8bit\r\n"
+ "\r\n"
+ "From: from@example.com\r\n"
+ "To: to@example.com\r\n"
+ "Subject: Test Message\r\n"
+ "Date: Wed, 28 Aug 2013 08:51:09 -0400\r\n"
+ "MIME-Version: 1.0\r\n"
+ "Content-Type: multipart/mixed; boundary=\"----Boundary101\"\r\n"
+ "Content-Transfer-Encoding: 8bit\r\n"
+ "\r\n"
+ "------Boundary101\r\n"
+ "Content-Type: text/plain;\n"
+ " charset=utf-8\r\n"
+ "Content-Transfer-Encoding: 8bit\r\n"
+ "\r\n"
+ "Testing.\r\n"
+ "This is a text body with some greek characters.\r\n"
+ "αβγδεζηθ\r\n"
+ "End of test.\r\n"
+ "\r\n"
+ "------Boundary101\r\n"
+ "Content-Type: text/plain;\n"
+ " charset=utf-8\r\n"
+ "Content-Transfer-Encoding: quoted-printable\r\n"
+ "\r\n"
+ "Testing=2E\r\n"
+ "This is a text body with some greek characters=2E\r\n"
+ "=CE=B1=CE=B2=CE=B3=CE=B4=CE=B5=CE=B6=CE=B7=CE=B8\r\n"
+ "End of test=2E\r\n"
+ "\r\n"
+ "------Boundary101\r\n"
+ "Content-Type: application/octet-stream\r\n"
+ "Content-Transfer-Encoding: base64\r\n"
+ "\r\n"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\r\n"
+ "\r\n"
+ "------Boundary101--\r\n"
+ "\r\n"
+ "------Boundary102--\r\n"
+ "\r\n"
+ "------Boundary103--\r\n";
private static final String SEVEN_BIT_RESULT =
"From: from@example.com\r\n"
+ "To: to@example.com\r\n"
+ "Subject: Test Message\r\n"
+ "Date: Wed, 28 Aug 2013 08:51:09 -0400\r\n"
+ "MIME-Version: 1.0\r\n"
+ "Content-Type: multipart/mixed; boundary=\"----Boundary103\"\r\n"
+ "Content-Transfer-Encoding: 7bit\r\n"
+ "\r\n"
+ "------Boundary103\r\n"
+ "Content-Type: text/plain;\n"
+ " charset=utf-8\r\n"
+ "Content-Transfer-Encoding: quoted-printable\r\n"
+ "\r\n"
+ "Testing=2E\r\n"
+ "This is a text body with some greek characters=2E\r\n"
+ "=CE=B1=CE=B2=CE=B3=CE=B4=CE=B5=CE=B6=CE=B7=CE=B8\r\n"
+ "End of test=2E\r\n"
+ "\r\n"
+ "------Boundary103\r\n"
+ "Content-Type: text/plain;\n"
+ " charset=utf-8\r\n"
+ "Content-Transfer-Encoding: quoted-printable\r\n"
+ "\r\n"
+ "Testing=2E\r\n"
+ "This is a text body with some greek characters=2E\r\n"
+ "=CE=B1=CE=B2=CE=B3=CE=B4=CE=B5=CE=B6=CE=B7=CE=B8\r\n"
+ "End of test=2E\r\n"
+ "\r\n"
+ "------Boundary103\r\n"
+ "Content-Type: application/octet-stream\r\n"
+ "Content-Transfer-Encoding: base64\r\n"
+ "\r\n"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\r\n"
+ "\r\n"
+ "------Boundary103\r\n"
+ "Content-Type: message/rfc822\r\n"
+ "Content-Disposition: attachment\r\n"
+ "Content-Transfer-Encoding: 7bit\r\n"
+ "\r\n"
+ "From: from@example.com\r\n"
+ "To: to@example.com\r\n"
+ "Subject: Test Message\r\n"
+ "Date: Wed, 28 Aug 2013 08:51:09 -0400\r\n"
+ "MIME-Version: 1.0\r\n"
+ "Content-Type: multipart/mixed; boundary=\"----boundary102\"\r\n"
+ "Content-Transfer-Encoding: 7bit\r\n"
+ "\r\n"
+ "------boundary102\r\n"
+ "Content-Type: text/plain; charset=utf-8\r\n"
+ "Content-Transfer-Encoding: quoted-printable\r\n"
+ "\r\n"
+ "Testing=2E\r\n"
+ "This is a text body with some greek characters=2E\r\n"
+ "=CE=B1=CE=B2=CE=B3=CE=B4=CE=B5=CE=B6=CE=B7=CE=B8\r\n"
+ "End of test=2E\r\n"
+ "\r\n"
+ "------boundary102\r\n"
+ "Content-Type: text/plain; charset=utf-8\r\n"
+ "Content-Transfer-Encoding: quoted-printable\r\n"
+ "\r\n"
+ "Testing=2E\r\n"
+ "This is a text body with some greek characters=2E\r\n"
+ "=CE=B1=CE=B2=CE=B3=CE=B4=CE=B5=CE=B6=CE=B7=CE=B8\r\n"
+ "End of test=2E\r\n"
+ "\r\n"
+ "------boundary102\r\n"
+ "Content-Type: application/octet-stream\r\n"
+ "Content-Transfer-Encoding: base64\r\n"
+ "\r\n"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\r\n"
+ "\r\n"
+ "------boundary102\r\n"
+ "Content-Type: message/rfc822\r\n"
+ "Content-Disposition: attachment\r\n"
+ "Content-Transfer-Encoding: 7bit\r\n"
+ "\r\n"
+ "From: from@example.com\r\n"
+ "To: to@example.com\r\n"
+ "Subject: Test Message\r\n"
+ "Date: Wed, 28 Aug 2013 08:51:09 -0400\r\n"
+ "MIME-Version: 1.0\r\n"
+ "Content-Type: multipart/mixed; boundary=\"----boundary101\"\r\n"
+ "Content-Transfer-Encoding: 7bit\r\n"
+ "\r\n"
+ "------boundary101\r\n"
+ "Content-Type: text/plain; charset=utf-8\r\n"
+ "Content-Transfer-Encoding: quoted-printable\r\n"
+ "\r\n"
+ "Testing=2E\r\n"
+ "This is a text body with some greek characters=2E\r\n"
+ "=CE=B1=CE=B2=CE=B3=CE=B4=CE=B5=CE=B6=CE=B7=CE=B8\r\n"
+ "End of test=2E\r\n"
+ "\r\n"
+ "------boundary101\r\n"
+ "Content-Type: text/plain; charset=utf-8\r\n"
+ "Content-Transfer-Encoding: quoted-printable\r\n"
+ "\r\n"
+ "Testing=2E\r\n"
+ "This is a text body with some greek characters=2E\r\n"
+ "=CE=B1=CE=B2=CE=B3=CE=B4=CE=B5=CE=B6=CE=B7=CE=B8\r\n"
+ "End of test=2E\r\n"
+ "\r\n"
+ "------boundary101\r\n"
+ "Content-Type: application/octet-stream\r\n"
+ "Content-Transfer-Encoding: base64\r\n"
+ "\r\n"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\r\n"
+ "\r\n"
+ "------boundary101--\r\n"
+ "\r\n"
+ "------boundary102--\r\n"
+ "\r\n"
+ "------Boundary103--\r\n";
private int mMimeBoundary;
public MessageTest() {
super();
}
public void testMessage() throws MessagingException, IOException {
MimeMessage message;
ByteArrayOutputStream out;
BinaryTempFileBody.setTempDirectory(getContext().getCacheDir());
mMimeBoundary = 101;
message = nestedMessage(nestedMessage(sampleMessage()));
out = new ByteArrayOutputStream();
message.writeTo(out);
assertEquals(EIGHT_BIT_RESULT, out.toString());
mMimeBoundary = 101;
message = nestedMessage(nestedMessage(sampleMessage()));
message.setUsing7bitTransport();
out = new ByteArrayOutputStream();
message.writeTo(out);
assertEquals(SEVEN_BIT_RESULT, out.toString());
}
private MimeMessage nestedMessage(MimeMessage subMessage)
throws MessagingException, IOException {
BinaryTempFileMessageBody tempMessageBody = new BinaryTempFileMessageBody();
tempMessageBody.setEncoding(MimeUtil.ENC_8BIT);
OutputStream out = tempMessageBody.getOutputStream();
try {
subMessage.writeTo(out);
} finally {
out.close();
}
MimeBodyPart bodyPart = new MimeBodyPart(tempMessageBody, "message/rfc822");
bodyPart.setHeader(MimeHeader.HEADER_CONTENT_DISPOSITION, "attachment");
bodyPart.setEncoding(MimeUtil.ENC_8BIT);
MimeMessage parentMessage = sampleMessage();
((Multipart) parentMessage.getBody()).addBodyPart(bodyPart);
return parentMessage;
}
private MimeMessage sampleMessage() throws MessagingException, IOException {
MimeMessage message = new MimeMessage();
message.setFrom(new Address("from@example.com"));
message.setRecipient(RecipientType.TO, new Address("to@example.com"));
message.setSubject("Test Message");
message.setHeader("Date", "Wed, 28 Aug 2013 08:51:09 -0400");
message.setEncoding(MimeUtil.ENC_8BIT);
NonRandomMimeMultipartTest multipartBody = new NonRandomMimeMultipartTest();
multipartBody.setSubType("mixed");
multipartBody.addBodyPart(textBodyPart(MimeUtil.ENC_8BIT));
multipartBody.addBodyPart(textBodyPart(MimeUtil.ENC_QUOTED_PRINTABLE));
multipartBody.addBodyPart(binaryBodyPart());
message.setBody(multipartBody);
return message;
}
private MimeBodyPart binaryBodyPart() throws IOException,
MessagingException {
String encodedTestString = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "abcdefghijklmnopqrstuvwxyz0123456789+/";
BinaryTempFileBody tempFileBody = new BinaryTempFileBody();
InputStream in = new Base64InputStream(new ByteArrayInputStream(
encodedTestString.getBytes("UTF-8")));
OutputStream out = tempFileBody.getOutputStream();
try {
IOUtils.copy(in, out);
} finally {
out.close();
}
MimeBodyPart bodyPart = new MimeBodyPart(tempFileBody,
"application/octet-stream");
bodyPart.setEncoding(MimeUtil.ENC_BASE64);
return bodyPart;
}
private MimeBodyPart textBodyPart(String encoding)
throws MessagingException {
TextBody textBody = new TextBody(
"Testing.\r\n"
+ "This is a text body with some greek characters.\r\n"
+ "αβγδεζηθ\r\n"
+ "End of test.\r\n");
textBody.setCharset("utf-8");
MimeBodyPart bodyPart = new MimeBodyPart(textBody, "text/plain");
MimeUtility.setCharset("utf-8", bodyPart);
bodyPart.setEncoding(encoding);
return bodyPart;
}
private class NonRandomMimeMultipartTest extends MimeMultipart {
public NonRandomMimeMultipartTest() throws MessagingException {
super();
}
@Override
public String generateBoundary() {
StringBuilder sb = new StringBuilder();
sb.append("----Boundary");
sb.append(Integer.toString(mMimeBoundary++));
return sb.toString();
}
}
}