215 lines
8.1 KiB
Java
215 lines
8.1 KiB
Java
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.email.mail.internet;
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import com.android.email.mail.MessagingException;
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import com.android.email.mail.internet.MimeHeader;
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import com.android.email.mail.internet.MimeMessage;
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import android.test.suitebuilder.annotation.SmallTest;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Locale;
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import junit.framework.TestCase;
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/**
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* This is a series of unit tests for the MimeMessage class. These tests must be locally
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* complete - no server(s) required.
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*/
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@SmallTest
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public class MimeMessageTest extends TestCase {
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/** up arrow, down arrow, left arrow, right arrow */
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private final String SHORT_UNICODE = "\u2191\u2193\u2190\u2192";
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private final String SHORT_UNICODE_ENCODED = "=?UTF-8?B?4oaR4oaT4oaQ4oaS?=";
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/** a string without any unicode */
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private final String SHORT_PLAIN = "abcd";
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/** longer unicode strings */
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private final String LONG_UNICODE_16 = SHORT_UNICODE + SHORT_UNICODE +
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SHORT_UNICODE + SHORT_UNICODE;
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private final String LONG_UNICODE_64 = LONG_UNICODE_16 + LONG_UNICODE_16 +
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LONG_UNICODE_16 + LONG_UNICODE_16;
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/** longer plain strings (with fold points) */
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private final String LONG_PLAIN_16 = "abcdefgh ijklmno";
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private final String LONG_PLAIN_64 =
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LONG_PLAIN_16 + LONG_PLAIN_16 + LONG_PLAIN_16 + LONG_PLAIN_16;
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private final String LONG_PLAIN_256 =
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LONG_PLAIN_64 + LONG_PLAIN_64 + LONG_PLAIN_64 + LONG_PLAIN_64;
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// TODO: more tests.
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/**
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* Confirms that setSentDate() correctly set the "Date" header of a Mime message.
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*
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* We tries a same test twice using two locales, Locale.US and the other, since
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* MimeMessage depends on the date formatter, which may emit wrong date format
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* in the locale other than Locale.US.
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* @throws MessagingException
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* @throws ParseException
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*/
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public void testSetSentDate() throws MessagingException, ParseException {
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Locale savedLocale = Locale.getDefault();
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Locale.setDefault(Locale.US);
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doTestSetSentDate();
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Locale.setDefault(Locale.JAPAN);
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doTestSetSentDate();
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Locale.setDefault(savedLocale);
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}
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private void doTestSetSentDate() throws MessagingException, ParseException {
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// "Thu, 01 Jan 2009 09:00:00 +0000" => 1230800400000L
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long expectedTime = 1230800400000L;
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Date date = new Date(expectedTime);
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MimeMessage message = new MimeMessage();
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message.setSentDate(date);
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String[] headers = message.getHeader("Date");
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assertEquals(1, headers.length);
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// Explicitly specify the locale so that the object does not depend on the default
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// locale.
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SimpleDateFormat format = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss Z", Locale.US);
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Date result = format.parse(headers[0]);
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assertEquals(expectedTime, result.getTime());
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}
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/**
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* Simple tests of the new "Message-ID" header
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*/
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public void testMessageId() throws MessagingException {
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// Test 1. Every message gets a default and unique message-id
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MimeMessage message1 = new MimeMessage();
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MimeMessage message2 = new MimeMessage();
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String id1 = message1.getMessageId();
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String id2 = message2.getMessageId();
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assertNotNull(id1);
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assertNotNull(id2);
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assertFalse("Message-ID should be unique", id1.equals(id2));
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// Test 2. Set and get using API
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final String testId1 = "test-message-id-one";
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message1.setMessageId(testId1);
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assertEquals("set and get Message-ID", testId1, message1.getMessageId());
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// Test 3. Should only be one Message-ID per message
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final String testId2 = "test-message-id-two";
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message2.setMessageId(testId1);
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message2.setMessageId(testId2);
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assertEquals("set and get Message-ID", testId2, message2.getMessageId());
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}
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/**
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* Confirm getContentID() correctly works.
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*/
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public void testGetContentId() throws MessagingException {
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MimeMessage message = new MimeMessage();
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// no content-id
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assertNull(message.getContentId());
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// normal case
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final String cid1 = "cid.1@android.com";
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message.setHeader(MimeHeader.HEADER_CONTENT_ID, cid1);
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assertEquals(cid1, message.getContentId());
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// surrounded by optional bracket
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message.setHeader(MimeHeader.HEADER_CONTENT_ID, "<" + cid1 + ">");
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assertEquals(cid1, message.getContentId());
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}
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/**
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* Confirm that setSubject() works with plain strings
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*/
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public void testSetSubjectPlain() throws MessagingException {
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MimeMessage message = new MimeMessage();
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message.setSubject(SHORT_PLAIN);
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// test 1: readback
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assertEquals("plain subjects", SHORT_PLAIN, message.getSubject());
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// test 2: raw readback is not escaped
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String rawHeader = message.getFirstHeader("Subject");
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assertEquals("plain subject not encoded", -1, rawHeader.indexOf("=?"));
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// test 3: long subject (shouldn't fold)
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message.setSubject(LONG_PLAIN_64);
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rawHeader = message.getFirstHeader("Subject");
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String[] split = rawHeader.split("\r\n");
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assertEquals("64 shouldn't fold", 1, split.length);
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// test 4: very long subject (should fold)
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message.setSubject(LONG_PLAIN_256);
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rawHeader = message.getFirstHeader("Subject");
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split = rawHeader.split("\r\n");
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assertTrue("long subject should fold", split.length > 1);
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for (String s : split) {
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assertTrue("split lines max length 78", s.length() <= 76); // 76+\r\n = 78
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String trimmed = s.trim();
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assertFalse("split lines are not encoded", trimmed.startsWith("=?"));
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}
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}
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/**
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* Confirm that setSubject() works with unicode strings
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*/
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public void testSetSubject() throws MessagingException {
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MimeMessage message = new MimeMessage();
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message.setSubject(SHORT_UNICODE);
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// test 1: readback in unicode
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assertEquals("unicode readback", SHORT_UNICODE, message.getSubject());
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// test 2: raw readback is escaped
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String rawHeader = message.getFirstHeader("Subject");
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assertEquals("raw readback", SHORT_UNICODE_ENCODED, rawHeader);
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}
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/**
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* Confirm folding operations on unicode subjects
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*/
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public void testSetLongSubject() throws MessagingException {
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MimeMessage message = new MimeMessage();
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// test 1: long unicode - readback in unicode
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message.setSubject(LONG_UNICODE_16);
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assertEquals("unicode readback 16", LONG_UNICODE_16, message.getSubject());
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// test 2: longer unicode (will fold)
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message.setSubject(LONG_UNICODE_64);
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assertEquals("unicode readback 64", LONG_UNICODE_64, message.getSubject());
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// test 3: check folding & encoding
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String rawHeader = message.getFirstHeader("Subject");
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String[] split = rawHeader.split("\r\n");
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assertTrue("long subject should fold", split.length > 1);
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for (String s : split) {
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assertTrue("split lines max length 78", s.length() <= 76); // 76+\r\n = 78
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String trimmed = s.trim();
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assertTrue("split lines are encoded",
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trimmed.startsWith("=?") && trimmed.endsWith("?="));
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}
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}
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} |