text: # Copyright (C) 2001-2007 Python Software Foundation
  # Contact: email-sig@python.org
  # email package unit tests
  
  import os
  import sys
  import time
  import base64
  import difflib
  import unittest
  import warnings
  from cStringIO import StringIO
  
  import email
  
  from email.Charset import Charset
  from email.Header import Header, decode_header, make_header
  from email.Parser import Parser, HeaderParser
  from email.Generator import Generator, DecodedGenerator
  from email.Message import Message
  from email.MIMEAudio import MIMEAudio
  from email.MIMEText import MIMEText
  from email.MIMEImage import MIMEImage
  from email.MIMEBase import MIMEBase
  from email.MIMEMessage import MIMEMessage
  from email.MIMEMultipart import MIMEMultipart
  from email import Utils
  from email import Errors
  from email import Encoders
  from email import Iterators
  from email import base64MIME
  from email import quopriMIME
  
  from test.test_support import findfile, run_unittest
  from email.test import __file__ as landmark
  
  
  NL = '\n'
  EMPTYSTRING = ''
  SPACE = ' '
  
  
  
  def openfile(filename, mode='r'):
      path = os.path.join(os.path.dirname(landmark), 'data', filename)
      return open(path, mode)
  
  
  
  # Base test class
  class TestEmailBase(unittest.TestCase):
      def ndiffAssertEqual(self, first, second):
          """Like failUnlessEqual except use ndiff for readable output."""
          if first <> second:
              sfirst = str(first)
              ssecond = str(second)
              diff = difflib.ndiff(sfirst.splitlines(), ssecond.splitlines())
              fp = StringIO()
              print >> fp, NL, NL.join(diff)
              raise self.failureException, fp.getvalue()
  
      def _msgobj(self, filename):
          fp = openfile(findfile(filename))
          try:
              msg = email.message_from_file(fp)
          finally:
              fp.close()
          return msg
  
  
  
  # Test various aspects of the Message class's API
  class TestMessageAPI(TestEmailBase):
      def test_get_all(self):
          eq = self.assertEqual
          msg = self._msgobj('msg_20.txt')
          eq(msg.get_all('cc'), ['ccc@zzz.org', 'ddd@zzz.org', 'eee@zzz.org'])
          eq(msg.get_all('xx', 'n/a'), 'n/a')
  
      def test_getset_charset(self):
          eq = self.assertEqual
          msg = Message()
          eq(msg.get_charset(), None)
          charset = Charset('iso-8859-1')
          msg.set_charset(charset)
          eq(msg['mime-version'], '1.0')
          eq(msg.get_content_type(), 'text/plain')
          eq(msg['content-type'], 'text/plain; charset="iso-8859-1"')
          eq(msg.get_param('charset'), 'iso-8859-1')
          eq(msg['content-transfer-encoding'], 'quoted-printable')
          eq(msg.get_charset().input_charset, 'iso-8859-1')
          # Remove the charset
          msg.set_charset(None)
          eq(msg.get_charset(), None)
          eq(msg['content-type'], 'text/plain')
          # Try adding a charset when there's already MIME headers present
          msg = Message()
          msg['MIME-Version'] = '2.0'
          msg['Content-Type'] = 'text/x-weird'
          msg['Content-Transfer-Encoding'] = 'quinted-puntable'
          msg.set_charset(charset)
          eq(msg['mime-version'], '2.0')
          eq(msg['content-type'], 'text/x-weird; charset="iso-8859-1"')
          eq(msg['content-transfer-encoding'], 'quinted-puntable')
  
      def test_set_charset_from_string(self):
          eq = self.assertEqual
          msg = Message()
          msg.set_charset('us-ascii')
          eq(msg.get_charset().input_charset, 'us-ascii')
          eq(msg['content-type'], 'text/plain; charset="us-ascii"')
  
      def test_set_payload_with_charset(self):
          msg = Message()
          charset = Charset('iso-8859-1')
          msg.set_payload('This is a string payload', charset)
          self.assertEqual(msg.get_charset().input_charset, 'iso-8859-1')
  
      def test_get_charsets(self):
          eq = self.assertEqual
  
          msg = self._msgobj('msg_08.txt')
          charsets = msg.get_charsets()
          eq(charsets, [None, 'us-ascii', 'iso-8859-1', 'iso-8859-2', 'koi8-r'])
  
          msg = self._msgobj('msg_09.txt')
          charsets = msg.get_charsets('dingbat')
          eq(charsets, ['dingbat', 'us-ascii', 'iso-8859-1', 'dingbat',
                        'koi8-r'])
  
          msg = self._msgobj('msg_12.txt')
          charsets = msg.get_charsets()
          eq(charsets, [None, 'us-ascii', 'iso-8859-1', None, 'iso-8859-2',
                        'iso-8859-3', 'us-ascii', 'koi8-r'])
  
      def test_get_filename(self):
          eq = self.assertEqual
  
          msg = self._msgobj('msg_04.txt')
          filenames = [p.get_filename() for p in msg.get_payload()]
          eq(filenames, ['msg.txt', 'msg.txt'])
  
          msg = self._msgobj('msg_07.txt')
          subpart = msg.get_payload(1)
          eq(subpart.get_filename(), 'dingusfish.gif')
  
      def test_get_filename_with_name_parameter(self):
          eq = self.assertEqual
  
          msg = self._msgobj('msg_44.txt')
          filenames = [p.get_filename() for p in msg.get_payload()]
          eq(filenames, ['msg.txt', 'msg.txt'])
  
      def test_get_boundary(self):
          eq = self.assertEqual
          msg = self._msgobj('msg_07.txt')
          # No quotes!
          eq(msg.get_boundary(), 'BOUNDARY')
  
      def test_set_boundary(self):
          eq = self.assertEqual
          # This one has no existing boundary parameter, but the Content-Type:
          # header appears fifth.
          msg = self._msgobj('msg_01.txt')
          msg.set_boundary('BOUNDARY')
          header, value = msg.items()[4]
          eq(header.lower(), 'content-type')
          eq(value, 'text/plain; charset="us-ascii"; boundary="BOUNDARY"')
          # This one has a Content-Type: header, with a boundary, stuck in the
          # middle of its headers.  Make sure the order is preserved; it should
          # be fifth.
          msg = self._msgobj('msg_04.txt')
          msg.set_boundary('BOUNDARY')
          header, value = msg.items()[4]
          eq(header.lower(), 'content-type')
          eq(value, 'multipart/mixed; boundary="BOUNDARY"')
          # And this one has no Content-Type: header at all.
          msg = self._msgobj('msg_03.txt')
          self.assertRaises(Errors.HeaderParseError,
                            msg.set_boundary, 'BOUNDARY')
  
      def test_get_decoded_payload(self):
          eq = self.assertEqual
          msg = self._msgobj('msg_10.txt')
          # The outer message is a multipart
          eq(msg.get_payload(decode=True), None)
          # Subpart 1 is 7bit encoded
          eq(msg.get_payload(0).get_payload(decode=True),
             'This is a 7bit encoded message.\n')
          # Subpart 2 is quopri
          eq(msg.get_payload(1).get_payload(decode=True),
             '\xa1This is a Quoted Printable encoded message!\n')
          # Subpart 3 is base64
          eq(msg.get_payload(2).get_payload(decode=True),
             'This is a Base64 encoded message.')
          # Subpart 4 has no Content-Transfer-Encoding: header.
          eq(msg.get_payload(3).get_payload(decode=True),
             'This has no Content-Transfer-Encoding: header.\n')
  
      def test_get_decoded_uu_payload(self):
          eq = self.assertEqual
          msg = Message()
          msg.set_payload('begin 666 -\n+:&5L;&\\@=V]R;&0 \n \nend\n')
          for cte in ('x-uuencode', 'uuencode', 'uue', 'x-uue'):
              msg['content-transfer-encoding'] = cte
              eq(msg.get_payload(decode=True), 'hello world')
          # Now try some bogus data
          msg.set_payload('foo')
          eq(msg.get_payload(decode=True), 'foo')
  
      def test_decode_bogus_uu_payload_quietly(self):
          msg = Message()
          msg.set_payload('begin 664 foo.txt\n%<W1F=0000H \n \nend\n')
          msg['Content-Transfer-Encoding'] = 'x-uuencode'
          old_stderr = sys.stderr
          try:
              sys.stderr = sfp = StringIO()
              # We don't care about the payload
              msg.get_payload(decode=True)
          finally:
              sys.stderr = old_stderr
          self.assertEqual(sfp.getvalue(), '')
  
      def test_decoded_generator(self):
          eq = self.assertEqual
          msg = self._msgobj('msg_07.txt')
          fp = openfile('msg_17.txt')
          try:
              text = fp.read()
          finally:
              fp.close()
          s = StringIO()
          g = DecodedGenerator(s)
          g.flatten(msg)
          eq(s.getvalue(), text)
  
      def test__contains__(self):
          msg = Message()
          msg['From'] = 'Me'
          msg['to'] = 'You'
          # Check for case insensitivity
          self.failUnless('from' in msg)
          self.failUnless('From' in msg)
          self.failUnless('FROM' in msg)
          self.failUnless('to' in msg)
          self.failUnless('To' in msg)
          self.failUnless('TO' in msg)
  
      def test_as_string(self):
          eq = self.assertEqual
          msg = self._msgobj('msg_01.txt')
          fp = openfile('msg_01.txt')
          try:
              text = fp.read()
          finally:
              fp.close()
          eq(text, msg.as_string())
          fullrepr = str(msg)
          lines = fullrepr.split('\n')
          self.failUnless(lines[0].startswith('From '))
          eq(text, NL.join(lines[1:]))
  
      def test_bad_param(self):
          msg = email.message_from_string("Content-Type: blarg; baz; boo\n")
          self.assertEqual(msg.get_param('baz'), '')
  
      def test_missing_filename(self):
          msg = email.message_from_string("From: foo\n")
          self.assertEqual(msg.get_filename(), None)
  
      def test_bogus_filename(self):
          msg = email.message_from_string(
          "Content-Disposition: blarg; filename\n")
          self.assertEqual(msg.get_filename(), '')
  
      def test_missing_boundary(self):
          msg = email.message_from_string("From: foo\n")
          self.assertEqual(msg.get_boundary(), None)
  
      def test_get_params(self):
          eq = self.assertEqual
          msg = email.message_from_string(
              'X-Header: foo=one; bar=two; baz=three\n')
          eq(msg.get_params(header='x-header'),
             [('foo', 'one'), ('bar', 'two'), ('baz', 'three')])
          msg = email.message_from_string(
              'X-Header: foo; bar=one; baz=two\n')
          eq(msg.get_params(header='x-header'),
             [('foo', ''), ('bar', 'one'), ('baz', 'two')])
          eq(msg.get_params(), None)
          msg = email.message_from_string(
              'X-Header: foo; bar="one"; baz=two\n')
          eq(msg.get_params(header='x-header'),
             [('foo', ''), ('bar', 'one'), ('baz', 'two')])
  
      def test_get_param_liberal(self):
          msg = Message()
          msg['Content-Type'] = 'Content-Type: Multipart/mixed; boundary = "CPIMSSMTPC06p5f3tG"'
          self.assertEqual(msg.get_param('boundary'), 'CPIMSSMTPC06p5f3tG')
  
      def test_get_param(self):
          eq = self.assertEqual
          msg = email.message_from_string(
              "X-Header: foo=one; bar=two; baz=three\n")
          eq(msg.get_param('bar', header='x-header'), 'two')
          eq(msg.get_param('quuz', header='x-header'), None)
          eq(msg.get_param('quuz'), None)
          msg = email.message_from_string(
              'X-Header: foo; bar="one"; baz=two\n')
          eq(msg.get_param('foo', header='x-header'), '')
          eq(msg.get_param('bar', header='x-header'), 'one')
          eq(msg.get_param('baz', header='x-header'), 'two')
          # XXX: We are not RFC-2045 compliant!  We cannot parse:
          # msg["Content-Type"] = 'text/plain; weird="hey; dolly? [you] @ <\\"home\\">?"'
          # msg.get_param("weird")
          # yet.
  
      def test_get_param_funky_continuation_lines(self):
          msg = self._msgobj('msg_22.txt')
          self.assertEqual(msg.get_payload(1).get_param('name'), 'wibble.JPG')
  
      def test_get_param_with_semis_in_quotes(self):
          msg = email.message_from_string(
              'Content-Type: image/pjpeg; name="Jim&amp;&amp;Jill"\n')
          self.assertEqual(msg.get_param('name'), 'Jim&amp;&amp;Jill')
          self.assertEqual(msg.get_param('name', unquote=False),
                           '"Jim&amp;&amp;Jill"')
  
      def test_has_key(self):
          msg = email.message_from_string('Header: exists')
          self.failUnless(msg.has_key('header'))
          self.failUnless(msg.has_key('Header'))
          self.failUnless(msg.has_key('HEADER'))
          self.failIf(msg.has_key('headeri'))
  
      def test_set_param(self):
          eq = self.assertEqual
          msg = Message()
          msg.set_param('charset', 'iso-2022-jp')
          eq(msg.get_param('charset'), 'iso-2022-jp')
          msg.set_param('importance', 'high value')
          eq(msg.get_param('importance'), 'high value')
          eq(msg.get_param('importance', unquote=False), '"high value"')
          eq(msg.get_params(), [('text/plain', ''),
                                ('charset', 'iso-2022-jp'),
                                ('importance', 'high value')])
          eq(msg.get_params(unquote=False), [('text/plain', ''),
                                         ('charset', '"iso-2022-jp"'),
                                         ('importance', '"high value"')])
          msg.set_param('charset', 'iso-9999-xx', header='X-Jimmy')
          eq(msg.get_param('charset', header='X-Jimmy'), 'iso-9999-xx')
  
      def test_del_param(self):
          eq = self.assertEqual
          msg = self._msgobj('msg_05.txt')
          eq(msg.get_params(),
             [('multipart/report', ''), ('report-type', 'delivery-status'),
              ('boundary', 'D1690A7AC1.996856090/mail.example.com')])
          old_val = msg.get_param("report-type")
          msg.del_param("report-type")
          eq(msg.get_params(),
             [('multipart/report', ''),
              ('boundary', 'D1690A7AC1.996856090/mail.example.com')])
          msg.set_param("report-type", old_val)
          eq(msg.get_params(),
             [('multipart/report', ''),
              ('boundary', 'D1690A7AC1.996856090/mail.example.com'),
              ('report-type', old_val)])
  
      def test_del_param_on_other_header(self):
          msg = Message()
          msg.add_header('Content-Disposition', 'attachment', filename='bud.gif')
          msg.del_param('filename', 'content-disposition')
          self.assertEqual(msg['content-disposition'], 'attachment')
  
      def test_set_type(self):
          eq = self.assertEqual
          msg = Message()
          self.assertRaises(ValueError, msg.set_type, 'text')
          msg.set_type('text/plain')
          eq(msg['content-type'], 'text/plain')
          msg.set_param('charset', 'us-ascii')
          eq(msg['content-type'], 'text/plain; charset="us-ascii"')
          msg.set_type('text/html')
          eq(msg['content-type'], 'text/html; charset="us-ascii"')
  
      def test_set_type_on_other_header(self):
          msg = Message()
          msg['X-Content-Type'] = 'text/plain'
          msg.set_type('application/octet-stream', 'X-Content-Type')
          self.assertEqual(msg['x-content-type'], 'application/octet-stream')
  
      def test_get_content_type_missing(self):
          msg = Message()
          self.assertEqual(msg.get_content_type(), 'text/plain')
  
      def test_get_content_type_missing_with_default_type(self):
          msg = Message()
          msg.set_default_type('message/rfc822')
          self.assertEqual(msg.get_content_type(), 'message/rfc822')
  
      def test_get_content_type_from_message_implicit(self):
          msg = self._msgobj('msg_30.txt')
          self.assertEqual(msg.get_payload(0).get_content_type(),
                           'message/rfc822')
  
      def test_get_content_type_from_message_explicit(self):
          msg = self._msgobj('msg_28.txt')
          self.assertEqual(msg.get_payload(0).get_content_type(),
                           'message/rfc822')
  
      def test_get_content_type_from_message_text_plain_implicit(self):
          msg = self._msgobj('msg_03.txt')
          self.assertEqual(msg.get_content_type(), 'text/plain')
  
      def test_get_content_type_from_message_text_plain_explicit(self):
          msg = self._msgobj('msg_01.txt')
          self.assertEqual(msg.get_content_type(), 'text/plain')
  
      def test_get_content_maintype_missing(self):
          msg = Message()
          self.assertEqual(msg.get_content_maintype(), 'text')
  
      def test_get_content_maintype_missing_with_default_type(self):
          msg = Message()
          msg.set_default_type('message/rfc822')
          self.assertEqual(msg.get_content_maintype(), 'message')
  
      def test_get_content_maintype_from_message_implicit(self):
          msg = self._msgobj('msg_30.txt')
          self.assertEqual(msg.get_payload(0).get_content_maintype(), 'message')
  
      def test_get_content_maintype_from_message_explicit(self):
          msg = self._msgobj('msg_28.txt')
          self.assertEqual(msg.get_payload(0).get_content_maintype(), 'message')
  
      def test_get_content_maintype_from_message_text_plain_implicit(self):
          msg = self._msgobj('msg_03.txt')
          self.assertEqual(msg.get_content_maintype(), 'text')
  
      def test_get_content_maintype_from_message_text_plain_explicit(self):
          msg = self._msgobj('msg_01.txt')
          self.assertEqual(msg.get_content_maintype(), 'text')
  
      def test_get_content_subtype_missing(self):
          msg = Message()
          self.assertEqual(msg.get_content_subtype(), 'plain')
  
      def test_get_content_subtype_missing_with_default_type(self):
          msg = Message()
          msg.set_default_type('message/rfc822')
          self.assertEqual(msg.get_content_subtype(), 'rfc822')
  
      def test_get_content_subtype_from_message_implicit(self):
          msg = self._msgobj('msg_30.txt')
          self.assertEqual(msg.get_payload(0).get_content_subtype(), 'rfc822')
  
      def test_get_content_subtype_from_message_explicit(self):
          msg = self._msgobj('msg_28.txt')
          self.assertEqual(msg.get_payload(0).get_content_subtype(), 'rfc822')
  
      def test_get_content_subtype_from_message_text_plain_implicit(self):
          msg = self._msgobj('msg_03.txt')
          self.assertEqual(msg.get_content_subtype(), 'plain')
  
      def test_get_content_subtype_from_message_text_plain_explicit(self):
          msg = self._msgobj('msg_01.txt')
          self.assertEqual(msg.get_content_subtype(), 'plain')
  
      def test_get_content_maintype_error(self):
          msg = Message()
          msg['Content-Type'] = 'no-slash-in-this-string'
          self.assertEqual(msg.get_content_maintype(), 'text')
  
      def test_get_content_subtype_error(self):
          msg = Message()
          msg['Content-Type'] = 'no-slash-in-this-string'
          self.assertEqual(msg.get_content_subtype(), 'plain')
  
      def test_replace_header(self):
          eq = self.assertEqual
          msg = Message()
          msg.add_header('First', 'One')
          msg.add_header('Second', 'Two')
          msg.add_header('Third', 'Three')
          eq(msg.keys(), ['First', 'Second', 'Third'])
          eq(msg.values(), ['One', 'Two', 'Three'])
          msg.replace_header('Second', 'Twenty')
          eq(msg.keys(), ['First', 'Second', 'Third'])
          eq(msg.values(), ['One', 'Twenty', 'Three'])
          msg.add_header('First', 'Eleven')
          msg.replace_header('First', 'One Hundred')
          eq(msg.keys(), ['First', 'Second', 'Third', 'First'])
          eq(msg.values(), ['One Hundred', 'Twenty', 'Three', 'Eleven'])
          self.assertRaises(KeyError, msg.replace_header, 'Fourth', 'Missing')
  
      def test_broken_base64_payload(self):
          x = 'AwDp0P7//y6LwKEAcPa/6Q=9'
          msg = Message()
          msg['content-type'] = 'audio/x-midi'
          msg['content-transfer-encoding'] = 'base64'
          msg.set_payload(x)
          self.assertEqual(msg.get_payload(decode=True), x)
  
      def test_get_content_charset(self):
          msg = Message()
          msg.set_charset('us-ascii')
          self.assertEqual('us-ascii', msg.get_content_charset())
          msg.set_charset(u'us-ascii')
          self.assertEqual('us-ascii', msg.get_content_charset())
  
  
  
  # Test the email.Encoders module
  class TestEncoders(unittest.TestCase):
      def test_encode_empty_payload(self):
          eq = self.assertEqual
          msg = Message()
          msg.set_charset('us-ascii')
          eq(msg['content-transfer-encoding'], '7bit')
  
      def test_default_cte(self):
          eq = self.assertEqual
          msg = MIMEText('hello world')
          eq(msg['content-transfer-encoding'], '7bit')
  
      def test_default_cte(self):
          eq = self.assertEqual
          # With no explicit _charset its us-ascii, and all are 7-bit
          msg = MIMEText('hello world')
          eq(msg['content-transfer-encoding'], '7bit')
          # Similar, but with 8-bit data
          msg = MIMEText('hello \xf8 world')
          eq(msg['content-transfer-encoding'], '8bit')
          # And now with a different charset
          msg = MIMEText('hello \xf8 world', _charset='iso-8859-1')
          eq(msg['content-transfer-encoding'], 'quoted-printable')
  
  
  
  # Test long header wrapping
  class TestLongHeaders(TestEmailBase):
      def test_split_long_continuation(self):
          eq = self.ndiffAssertEqual
          msg = email.message_from_string("""\
  Subject: bug demonstration
  \t12345678911234567892123456789312345678941234567895123456789612345678971234567898112345678911234567892123456789112345678911234567892123456789
  \tmore text
  
  test
  """)
          sfp = StringIO()
          g = Generator(sfp)
          g.flatten(msg)
          eq(sfp.getvalue(), """\
  Subject: bug demonstration
  \t12345678911234567892123456789312345678941234567895123456789612345678971234567898112345678911234567892123456789112345678911234567892123456789
  \tmore text
  
  test
  """)
  
      def test_another_long_almost_unsplittable_header(self):
          eq = self.ndiffAssertEqual
          hstr = """\
  bug demonstration
  \t12345678911234567892123456789312345678941234567895123456789612345678971234567898112345678911234567892123456789112345678911234567892123456789
  \tmore text"""
          h = Header(hstr, continuation_ws='\t')
          eq(h.encode(), """\
  bug demonstration
  \t12345678911234567892123456789312345678941234567895123456789612345678971234567898112345678911234567892123456789112345678911234567892123456789
  \tmore text""")
          h = Header(hstr)
          eq(h.encode(), """\
  bug demonstration
   12345678911234567892123456789312345678941234567895123456789612345678971234567898112345678911234567892123456789112345678911234567892123456789
   more text""")
  
      def test_long_nonstring(self):
          eq = self.ndiffAssertEqual
          g = Charset("iso-8859-1")
          cz = Charset("iso-8859-2")
          utf8 = Charset("utf-8")
          g_head = "Die Mieter treten hier ein werden mit einem Foerderband komfortabel den Korridor entlang, an s\xfcdl\xfcndischen Wandgem\xe4lden vorbei, gegen die rotierenden Klingen bef\xf6rdert. "
          cz_head = "Finan\xe8ni metropole se hroutily pod tlakem jejich d\xf9vtipu.. "
          utf8_head = u"\u6b63\u78ba\u306b\u8a00\u3046\u3068\u7ffb\u8a33\u306f\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u4e00\u90e8\u306f\u30c9\u30a4\u30c4\u8a9e\u3067\u3059\u304c\u3001\u3042\u3068\u306f\u3067\u305f\u3089\u3081\u3067\u3059\u3002\u5b9f\u969b\u306b\u306f\u300cWenn ist das Nunstuck git und Slotermeyer? Ja! Beiherhund das Oder die Flipperwaldt gersput.\u300d\u3068\u8a00\u3063\u3066\u3044\u307e\u3059\u3002".encode("utf-8")
          h = Header(g_head, g, header_name='Subject')
          h.append(cz_head, cz)
          h.append(utf8_head, utf8)
          msg = Message()
          msg['Subject'] = h
          sfp = StringIO()
          g = Generator(sfp)
          g.flatten(msg)
          eq(sfp.getvalue(), """\
  Subject: =?iso-8859-1?q?Die_Mieter_treten_hier_ein_werden_mit_einem_Foerd?=
   =?iso-8859-1?q?erband_komfortabel_den_Korridor_entlang=2C_an_s=FCdl=FCndi?=
   =?iso-8859-1?q?schen_Wandgem=E4lden_vorbei=2C_gegen_die_rotierenden_Kling?=
   =?iso-8859-1?q?en_bef=F6rdert=2E_?= =?iso-8859-2?q?Finan=E8ni_met?=
   =?iso-8859-2?q?ropole_se_hroutily_pod_tlakem_jejich_d=F9vtipu=2E=2E_?=
   =?utf-8?b?5q2j56K644Gr6KiA44GG44Go57+76Kiz44Gv44GV44KM44Gm44GE?=
   =?utf-8?b?44G+44Gb44KT44CC5LiA6YOo44Gv44OJ44Kk44OE6Kqe44Gn44GZ44GM44CB?=
   =?utf-8?b?44GC44Go44Gv44Gn44Gf44KJ44KB44Gn44GZ44CC5a6f6Zqb44Gr44Gv44CM?=
   =?utf-8?q?Wenn_ist_das_Nunstuck_git_und_Slotermeyer=3F_Ja!_Beiherhund_das?=
   =?utf-8?b?IE9kZXIgZGllIEZsaXBwZXJ3YWxkdCBnZXJzcHV0LuOAjeOBqOiogOOBow==?=
   =?utf-8?b?44Gm44GE44G+44GZ44CC?=
  
  """)
          eq(h.encode(), """\
  =?iso-8859-1?q?Die_Mieter_treten_hier_ein_werden_mit_einem_Foerd?=
   =?iso-8859-1?q?erband_komfortabel_den_Korridor_entlang=2C_an_s=FCdl=FCndi?=
   =?iso-8859-1?q?schen_Wandgem=E4lden_vorbei=2C_gegen_die_rotierenden_Kling?=
   =?iso-8859-1?q?en_bef=F6rdert=2E_?= =?iso-8859-2?q?Finan=E8ni_met?=
   =?iso-8859-2?q?ropole_se_hroutily_pod_tlakem_jejich_d=F9vtipu=2E=2E_?=
   =?utf-8?b?5q2j56K644Gr6KiA44GG44Go57+76Kiz44Gv44GV44KM44Gm44GE?=
   =?utf-8?b?44G+44Gb44KT44CC5LiA6YOo44Gv44OJ44Kk44OE6Kqe44Gn44GZ44GM44CB?=
   =?utf-8?b?44GC44Go44Gv44Gn44Gf44KJ44KB44Gn44GZ44CC5a6f6Zqb44Gr44Gv44CM?=
   =?utf-8?q?Wenn_ist_das_Nunstuck_git_und_Slotermeyer=3F_Ja!_Beiherhund_das?=
   =?utf-8?b?IE9kZXIgZGllIEZsaXBwZXJ3YWxkdCBnZXJzcHV0LuOAjeOBqOiogOOBow==?=
   =?utf-8?b?44Gm44GE44G+44GZ44CC?=""")
  
      def test_long_header_encode(self):
          eq = self.ndiffAssertEqual
          h = Header('wasnipoop; giraffes="very-long-necked-animals"; '
                     'spooge="yummy"; hippos="gargantuan"; marshmallows="gooey"',
                     header_name='X-Foobar-Spoink-Defrobnit')
          eq(h.encode(), '''\
  wasnipoop; giraffes="very-long-necked-animals";
   spooge="yummy"; hippos="gargantuan"; marshmallows="gooey"''')
  
      def test_long_header_encode_with_tab_continuation(self):
          eq = self.ndiffAssertEqual
          h = Header('wasnipoop; giraffes="very-long-necked-animals"; '
                     'spooge="yummy"; hippos="gargantuan"; marshmallows="gooey"',
                     header_name='X-Foobar-Spoink-Defrobnit',
                     continuation_ws='\t')
          eq(h.encode(), '''\
  wasnipoop; giraffes="very-long-necked-animals";
  \tspooge="yummy"; hippos="gargantuan"; marshmallows="gooey"''')
  
      def test_header_splitter(self):
          eq = self.ndiffAssertEqual
          msg = MIMEText('')
          # It'd be great if we could use add_header() here, but that doesn't
          # guarantee an order of the parameters.
          msg['X-Foobar-Spoink-Defrobnit'] = (
              'wasnipoop; giraffes="very-long-necked-animals"; '
              'spooge="yummy"; hippos="gargantuan"; marshmallows="gooey"')
          sfp = StringIO()
          g = Generator(sfp)
          g.flatten(msg)
          eq(sfp.getvalue(), '''\
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  X-Foobar-Spoink-Defrobnit: wasnipoop; giraffes="very-long-necked-animals";
  \tspooge="yummy"; hippos="gargantuan"; marshmallows="gooey"
  
  ''')
  
      def test_no_semis_header_splitter(self):
          eq = self.ndiffAssertEqual
          msg = Message()
          msg['From'] = 'test@dom.ain'
          msg['References'] = SPACE.join(['<%d@dom.ain>' % i for i in range(10)])
          msg.set_payload('Test')
          sfp = StringIO()
          g = Generator(sfp)
          g.flatten(msg)
          eq(sfp.getvalue(), """\
  From: test@dom.ain
  References: <0@dom.ain> <1@dom.ain> <2@dom.ain> <3@dom.ain> <4@dom.ain>
  \t<5@dom.ain> <6@dom.ain> <7@dom.ain> <8@dom.ain> <9@dom.ain>
  
  Test""")
  
      def test_no_split_long_header(self):
          eq = self.ndiffAssertEqual
          hstr = 'References: ' + 'x' * 80
          h = Header(hstr, continuation_ws='\t')
          eq(h.encode(), """\
  References: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx""")
  
      def test_splitting_multiple_long_lines(self):
          eq = self.ndiffAssertEqual
          hstr = """\
  from babylon.socal-raves.org (localhost [127.0.0.1]); by babylon.socal-raves.org (Postfix) with ESMTP id B570E51B81; for <mailman-admin@babylon.socal-raves.org>; Sat, 2 Feb 2002 17:00:06 -0800 (PST)
  \tfrom babylon.socal-raves.org (localhost [127.0.0.1]); by babylon.socal-raves.org (Postfix) with ESMTP id B570E51B81; for <mailman-admin@babylon.socal-raves.org>; Sat, 2 Feb 2002 17:00:06 -0800 (PST)
  \tfrom babylon.socal-raves.org (localhost [127.0.0.1]); by babylon.socal-raves.org (Postfix) with ESMTP id B570E51B81; for <mailman-admin@babylon.socal-raves.org>; Sat, 2 Feb 2002 17:00:06 -0800 (PST)
  """
          h = Header(hstr, continuation_ws='\t')
          eq(h.encode(), """\
  from babylon.socal-raves.org (localhost [127.0.0.1]);
  \tby babylon.socal-raves.org (Postfix) with ESMTP id B570E51B81;
  \tfor <mailman-admin@babylon.socal-raves.org>;
  \tSat, 2 Feb 2002 17:00:06 -0800 (PST)
  \tfrom babylon.socal-raves.org (localhost [127.0.0.1]);
  \tby babylon.socal-raves.org (Postfix) with ESMTP id B570E51B81;
  \tfor <mailman-admin@babylon.socal-raves.org>;
  \tSat, 2 Feb 2002 17:00:06 -0800 (PST)
  \tfrom babylon.socal-raves.org (localhost [127.0.0.1]);
  \tby babylon.socal-raves.org (Postfix) with ESMTP id B570E51B81;
  \tfor <mailman-admin@babylon.socal-raves.org>;
  \tSat, 2 Feb 2002 17:00:06 -0800 (PST)""")
  
      def test_splitting_first_line_only_is_long(self):
          eq = self.ndiffAssertEqual
          hstr = """\
  from modemcable093.139-201-24.que.mc.videotron.ca ([24.201.139.93] helo=cthulhu.gerg.ca)
  \tby kronos.mems-exchange.org with esmtp (Exim 4.05)
  \tid 17k4h5-00034i-00
  \tfor test@mems-exchange.org; Wed, 28 Aug 2002 11:25:20 -0400"""
          h = Header(hstr, maxlinelen=78, header_name='Received',
                     continuation_ws='\t')
          eq(h.encode(), """\
  from modemcable093.139-201-24.que.mc.videotron.ca ([24.201.139.93]
  \thelo=cthulhu.gerg.ca)
  \tby kronos.mems-exchange.org with esmtp (Exim 4.05)
  \tid 17k4h5-00034i-00
  \tfor test@mems-exchange.org; Wed, 28 Aug 2002 11:25:20 -0400""")
  
      def test_long_8bit_header(self):
          eq = self.ndiffAssertEqual
          msg = Message()
          h = Header('Britische Regierung gibt', 'iso-8859-1',
                      header_name='Subject')
          h.append('gr\xfcnes Licht f\xfcr Offshore-Windkraftprojekte')
          msg['Subject'] = h
          eq(msg.as_string(), """\
  Subject: =?iso-8859-1?q?Britische_Regierung_gibt?= =?iso-8859-1?q?gr=FCnes?=
   =?iso-8859-1?q?_Licht_f=FCr_Offshore-Windkraftprojekte?=
  
  """)
  
      def test_long_8bit_header_no_charset(self):
          eq = self.ndiffAssertEqual
          msg = Message()
          msg['Reply-To'] = 'Britische Regierung gibt gr\xfcnes Licht f\xfcr Offshore-Windkraftprojekte <a-very-long-address@example.com>'
          eq(msg.as_string(), """\
  Reply-To: Britische Regierung gibt gr\xfcnes Licht f\xfcr Offshore-Windkraftprojekte <a-very-long-address@example.com>
  
  """)
  
      def test_long_to_header(self):
          eq = self.ndiffAssertEqual
          to = '"Someone Test #A" <someone@eecs.umich.edu>,<someone@eecs.umich.edu>,"Someone Test #B" <someone@umich.edu>, "Someone Test #C" <someone@eecs.umich.edu>, "Someone Test #D" <someone@eecs.umich.edu>'
          msg = Message()
          msg['To'] = to
          eq(msg.as_string(0), '''\
  To: "Someone Test #A" <someone@eecs.umich.edu>, <someone@eecs.umich.edu>,
  \t"Someone Test #B" <someone@umich.edu>,
  \t"Someone Test #C" <someone@eecs.umich.edu>,
  \t"Someone Test #D" <someone@eecs.umich.edu>
  
  ''')
  
      def test_long_line_after_append(self):
          eq = self.ndiffAssertEqual
          s = 'This is an example of string which has almost the limit of header length.'
          h = Header(s)
          h.append('Add another line.')
          eq(h.encode(), """\
  This is an example of string which has almost the limit of header length.
   Add another line.""")
  
      def test_shorter_line_with_append(self):
          eq = self.ndiffAssertEqual
          s = 'This is a shorter line.'
          h = Header(s)
          h.append('Add another sentence. (Surprise?)')
          eq(h.encode(),
             'This is a shorter line. Add another sentence. (Surprise?)')
  
      def test_long_field_name(self):
          eq = self.ndiffAssertEqual
          fn = 'X-Very-Very-Very-Long-Header-Name'
          gs = "Die Mieter treten hier ein werden mit einem Foerderband komfortabel den Korridor entlang, an s\xfcdl\xfcndischen Wandgem\xe4lden vorbei, gegen die rotierenden Klingen bef\xf6rdert. "
          h = Header(gs, 'iso-8859-1', header_name=fn)
          # BAW: this seems broken because the first line is too long
          eq(h.encode(), """\
  =?iso-8859-1?q?Die_Mieter_treten_hier_?=
   =?iso-8859-1?q?ein_werden_mit_einem_Foerderband_komfortabel_den_Korridor_?=
   =?iso-8859-1?q?entlang=2C_an_s=FCdl=FCndischen_Wandgem=E4lden_vorbei=2C_g?=
   =?iso-8859-1?q?egen_die_rotierenden_Klingen_bef=F6rdert=2E_?=""")
  
      def test_long_received_header(self):
          h = 'from FOO.TLD (vizworld.acl.foo.tld [123.452.678.9]) by hrothgar.la.mastaler.com (tmda-ofmipd) with ESMTP; Wed, 05 Mar 2003 18:10:18 -0700'
          msg = Message()
          msg['Received-1'] = Header(h, continuation_ws='\t')
          msg['Received-2'] = h
          self.assertEqual(msg.as_string(), """\
  Received-1: from FOO.TLD (vizworld.acl.foo.tld [123.452.678.9]) by
  \throthgar.la.mastaler.com (tmda-ofmipd) with ESMTP;
  \tWed, 05 Mar 2003 18:10:18 -0700
  Received-2: from FOO.TLD (vizworld.acl.foo.tld [123.452.678.9]) by
  \throthgar.la.mastaler.com (tmda-ofmipd) with ESMTP;
  \tWed, 05 Mar 2003 18:10:18 -0700
  
  """)
  
      def test_string_headerinst_eq(self):
          h = '<15975.17901.207240.414604@sgigritzmann1.mathematik.tu-muenchen.de> (David Bremner\'s message of "Thu, 6 Mar 2003 13:58:21 +0100")'
          msg = Message()
          msg['Received-1'] = Header(h, header_name='Received-1',
                                     continuation_ws='\t')
          msg['Received-2'] = h
          self.assertEqual(msg.as_string(), """\
  Received-1: <15975.17901.207240.414604@sgigritzmann1.mathematik.tu-muenchen.de>
  \t(David Bremner's message of "Thu, 6 Mar 2003 13:58:21 +0100")
  Received-2: <15975.17901.207240.414604@sgigritzmann1.mathematik.tu-muenchen.de>
  \t(David Bremner's message of "Thu, 6 Mar 2003 13:58:21 +0100")
  
  """)
  
      def test_long_unbreakable_lines_with_continuation(self):
          eq = self.ndiffAssertEqual
          msg = Message()
          t = """\
   iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAGFBMVEUAAAAkHiJeRUIcGBi9
   locQDQ4zJykFBAXJfWDjAAACYUlEQVR4nF2TQY/jIAyFc6lydlG5x8Nyp1Y69wj1PN2I5gzp"""
          msg['Face-1'] = t
          msg['Face-2'] = Header(t, header_name='Face-2')
          eq(msg.as_string(), """\
  Face-1: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAGFBMVEUAAAAkHiJeRUIcGBi9
  \tlocQDQ4zJykFBAXJfWDjAAACYUlEQVR4nF2TQY/jIAyFc6lydlG5x8Nyp1Y69wj1PN2I5gzp
  Face-2: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAGFBMVEUAAAAkHiJeRUIcGBi9
   locQDQ4zJykFBAXJfWDjAAACYUlEQVR4nF2TQY/jIAyFc6lydlG5x8Nyp1Y69wj1PN2I5gzp
  
  """)
  
      def test_another_long_multiline_header(self):
          eq = self.ndiffAssertEqual
          m = '''\
  Received: from siimage.com ([172.25.1.3]) by zima.siliconimage.com with Microsoft SMTPSVC(5.0.2195.4905);
  \tWed, 16 Oct 2002 07:41:11 -0700'''
          msg = email.message_from_string(m)
          eq(msg.as_string(), '''\
  Received: from siimage.com ([172.25.1.3]) by zima.siliconimage.com with
  \tMicrosoft SMTPSVC(5.0.2195.4905); Wed, 16 Oct 2002 07:41:11 -0700
  
  ''')
  
      def test_long_lines_with_different_header(self):
          eq = self.ndiffAssertEqual
          h = """\
  List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/spamassassin-talk>,
          <mailto:spamassassin-talk-request@lists.sourceforge.net?subject=unsubscribe>"""
          msg = Message()
          msg['List'] = h
          msg['List'] = Header(h, header_name='List')
          eq(msg.as_string(), """\
  List: List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/spamassassin-talk>,
  \t<mailto:spamassassin-talk-request@lists.sourceforge.net?subject=unsubscribe>
  List: List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/spamassassin-talk>,
   <mailto:spamassassin-talk-request@lists.sourceforge.net?subject=unsubscribe>
  
  """)
  
  
  
  # Test mangling of "From " lines in the body of a message
  class TestFromMangling(unittest.TestCase):
      def setUp(self):
          self.msg = Message()
          self.msg['From'] = 'aaa@bbb.org'
          self.msg.set_payload("""\
  From the desk of A.A.A.:
  Blah blah blah
  """)
  
      def test_mangled_from(self):
          s = StringIO()
          g = Generator(s, mangle_from_=True)
          g.flatten(self.msg)
          self.assertEqual(s.getvalue(), """\
  From: aaa@bbb.org
  
  >From the desk of A.A.A.:
  Blah blah blah
  """)
  
      def test_dont_mangle_from(self):
          s = StringIO()
          g = Generator(s, mangle_from_=False)
          g.flatten(self.msg)
          self.assertEqual(s.getvalue(), """\
  From: aaa@bbb.org
  
  From the desk of A.A.A.:
  Blah blah blah
  """)
  
  
  
  # Test the basic MIMEAudio class
  class TestMIMEAudio(unittest.TestCase):
      def setUp(self):
          # Make sure we pick up the audiotest.au that lives in email/test/data.
          # In Python, there's an audiotest.au living in Lib/test but that isn't
          # included in some binary distros that don't include the test
          # package.  The trailing empty string on the .join() is significant
          # since findfile() will do a dirname().
          datadir = os.path.join(os.path.dirname(landmark), 'data', '')
          fp = open(findfile('audiotest.au', datadir), 'rb')
          try:
              self._audiodata = fp.read()
          finally:
              fp.close()
          self._au = MIMEAudio(self._audiodata)
  
      def test_guess_minor_type(self):
          self.assertEqual(self._au.get_content_type(), 'audio/basic')
  
      def test_encoding(self):
          payload = self._au.get_payload()
          self.assertEqual(base64.decodestring(payload), self._audiodata)
  
      def test_checkSetMinor(self):
          au = MIMEAudio(self._audiodata, 'fish')
          self.assertEqual(au.get_content_type(), 'audio/fish')
  
      def test_add_header(self):
          eq = self.assertEqual
          unless = self.failUnless
          self._au.add_header('Content-Disposition', 'attachment',
                              filename='audiotest.au')
          eq(self._au['content-disposition'],
             'attachment; filename="audiotest.au"')
          eq(self._au.get_params(header='content-disposition'),
             [('attachment', ''), ('filename', 'audiotest.au')])
          eq(self._au.get_param('filename', header='content-disposition'),
             'audiotest.au')
          missing = []
          eq(self._au.get_param('attachment', header='content-disposition'), '')
          unless(self._au.get_param('foo', failobj=missing,
                                    header='content-disposition') is missing)
          # Try some missing stuff
          unless(self._au.get_param('foobar', missing) is missing)
          unless(self._au.get_param('attachment', missing,
                                    header='foobar') is missing)
  
  
  
  # Test the basic MIMEImage class
  class TestMIMEImage(unittest.TestCase):
      def setUp(self):
          fp = openfile('PyBanner048.gif')
          try:
              self._imgdata = fp.read()
          finally:
              fp.close()
          self._im = MIMEImage(self._imgdata)
  
      def test_guess_minor_type(self):
          self.assertEqual(self._im.get_content_type(), 'image/gif')
  
      def test_encoding(self):
          payload = self._im.get_payload()
          self.assertEqual(base64.decodestring(payload), self._imgdata)
  
      def test_checkSetMinor(self):
          im = MIMEImage(self._imgdata, 'fish')
          self.assertEqual(im.get_content_type(), 'image/fish')
  
      def test_add_header(self):
          eq = self.assertEqual
          unless = self.failUnless
          self._im.add_header('Content-Disposition', 'attachment',
                              filename='dingusfish.gif')
          eq(self._im['content-disposition'],
             'attachment; filename="dingusfish.gif"')
          eq(self._im.get_params(header='content-disposition'),
             [('attachment', ''), ('filename', 'dingusfish.gif')])
          eq(self._im.get_param('filename', header='content-disposition'),
             'dingusfish.gif')
          missing = []
          eq(self._im.get_param('attachment', header='content-disposition'), '')
          unless(self._im.get_param('foo', failobj=missing,
                                    header='content-disposition') is missing)
          # Try some missing stuff
          unless(self._im.get_param('foobar', missing) is missing)
          unless(self._im.get_param('attachment', missing,
                                    header='foobar') is missing)
  
  
  
  # Test the basic MIMEText class
  class TestMIMEText(unittest.TestCase):
      def setUp(self):
          self._msg = MIMEText('hello there')
  
      def test_types(self):
          eq = self.assertEqual
          unless = self.failUnless
          eq(self._msg.get_content_type(), 'text/plain')
          eq(self._msg.get_param('charset'), 'us-ascii')
          missing = []
          unless(self._msg.get_param('foobar', missing) is missing)
          unless(self._msg.get_param('charset', missing, header='foobar')
                 is missing)
  
      def test_payload(self):
          self.assertEqual(self._msg.get_payload(), 'hello there')
          self.failUnless(not self._msg.is_multipart())
  
      def test_charset(self):
          eq = self.assertEqual
          msg = MIMEText('hello there', _charset='us-ascii')
          eq(msg.get_charset().input_charset, 'us-ascii')
          eq(msg['content-type'], 'text/plain; charset="us-ascii"')
  
  
  
  # Test complicated multipart/* messages
  class TestMultipart(TestEmailBase):
      def setUp(self):
          fp = openfile('PyBanner048.gif')
          try:
              data = fp.read()
          finally:
              fp.close()
  
          container = MIMEBase('multipart', 'mixed', boundary='BOUNDARY')
          image = MIMEImage(data, name='dingusfish.gif')
          image.add_header('content-disposition', 'attachment',
                           filename='dingusfish.gif')
          intro = MIMEText('''\
  Hi there,
  
  This is the dingus fish.
  ''')
          container.attach(intro)
          container.attach(image)
          container['From'] = 'Barry <barry@digicool.com>'
          container['To'] = 'Dingus Lovers <cravindogs@cravindogs.com>'
          container['Subject'] = 'Here is your dingus fish'
  
          now = 987809702.54848599
          timetuple = time.localtime(now)
          if timetuple[-1] == 0:
              tzsecs = time.timezone
          else:
              tzsecs = time.altzone
          if tzsecs > 0:
              sign = '-'
          else:
              sign = '+'
          tzoffset = ' %s%04d' % (sign, tzsecs / 36)
          container['Date'] = time.strftime(
              '%a, %d %b %Y %H:%M:%S',
              time.localtime(now)) + tzoffset
          self._msg = container
          self._im = image
          self._txt = intro
  
      def test_hierarchy(self):
          # convenience
          eq = self.assertEqual
          unless = self.failUnless
          raises = self.assertRaises
          # tests
          m = self._msg
          unless(m.is_multipart())
          eq(m.get_content_type(), 'multipart/mixed')
          eq(len(m.get_payload()), 2)
          raises(IndexError, m.get_payload, 2)
          m0 = m.get_payload(0)
          m1 = m.get_payload(1)
          unless(m0 is self._txt)
          unless(m1 is self._im)
          eq(m.get_payload(), [m0, m1])
          unless(not m0.is_multipart())
          unless(not m1.is_multipart())
  
      def test_empty_multipart_idempotent(self):
          text = """\
  Content-Type: multipart/mixed; boundary="BOUNDARY"
  MIME-Version: 1.0
  Subject: A subject
  To: aperson@dom.ain
  From: bperson@dom.ain
  
  
  --BOUNDARY
  
  
  --BOUNDARY--
  """
          msg = Parser().parsestr(text)
          self.ndiffAssertEqual(text, msg.as_string())
  
      def test_no_parts_in_a_multipart_with_none_epilogue(self):
          outer = MIMEBase('multipart', 'mixed')
          outer['Subject'] = 'A subject'
          outer['To'] = 'aperson@dom.ain'
          outer['From'] = 'bperson@dom.ain'
          outer.set_boundary('BOUNDARY')
          self.ndiffAssertEqual(outer.as_string(), '''\
  Content-Type: multipart/mixed; boundary="BOUNDARY"
  MIME-Version: 1.0
  Subject: A subject
  To: aperson@dom.ain
  From: bperson@dom.ain
  
  --BOUNDARY
  
  --BOUNDARY--''')
  
      def test_no_parts_in_a_multipart_with_empty_epilogue(self):
          outer = MIMEBase('multipart', 'mixed')
          outer['Subject'] = 'A subject'
          outer['To'] = 'aperson@dom.ain'
          outer['From'] = 'bperson@dom.ain'
          outer.preamble = ''
          outer.epilogue = ''
          outer.set_boundary('BOUNDARY')
          self.ndiffAssertEqual(outer.as_string(), '''\
  Content-Type: multipart/mixed; boundary="BOUNDARY"
  MIME-Version: 1.0
  Subject: A subject
  To: aperson@dom.ain
  From: bperson@dom.ain
  
  
  --BOUNDARY
  
  --BOUNDARY--
  ''')
  
      def test_one_part_in_a_multipart(self):
          eq = self.ndiffAssertEqual
          outer = MIMEBase('multipart', 'mixed')
          outer['Subject'] = 'A subject'
          outer['To'] = 'aperson@dom.ain'
          outer['From'] = 'bperson@dom.ain'
          outer.set_boundary('BOUNDARY')
          msg = MIMEText('hello world')
          outer.attach(msg)
          eq(outer.as_string(), '''\
  Content-Type: multipart/mixed; boundary="BOUNDARY"
  MIME-Version: 1.0
  Subject: A subject
  To: aperson@dom.ain
  From: bperson@dom.ain
  
  --BOUNDARY
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  
  hello world
  --BOUNDARY--''')
  
      def test_seq_parts_in_a_multipart_with_empty_preamble(self):
          eq = self.ndiffAssertEqual
          outer = MIMEBase('multipart', 'mixed')
          outer['Subject'] = 'A subject'
          outer['To'] = 'aperson@dom.ain'
          outer['From'] = 'bperson@dom.ain'
          outer.preamble = ''
          msg = MIMEText('hello world')
          outer.attach(msg)
          outer.set_boundary('BOUNDARY')
          eq(outer.as_string(), '''\
  Content-Type: multipart/mixed; boundary="BOUNDARY"
  MIME-Version: 1.0
  Subject: A subject
  To: aperson@dom.ain
  From: bperson@dom.ain
  
  
  --BOUNDARY
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  
  hello world
  --BOUNDARY--''')
  
  
      def test_seq_parts_in_a_multipart_with_none_preamble(self):
          eq = self.ndiffAssertEqual
          outer = MIMEBase('multipart', 'mixed')
          outer['Subject'] = 'A subject'
          outer['To'] = 'aperson@dom.ain'
          outer['From'] = 'bperson@dom.ain'
          outer.preamble = None
          msg = MIMEText('hello world')
          outer.attach(msg)
          outer.set_boundary('BOUNDARY')
          eq(outer.as_string(), '''\
  Content-Type: multipart/mixed; boundary="BOUNDARY"
  MIME-Version: 1.0
  Subject: A subject
  To: aperson@dom.ain
  From: bperson@dom.ain
  
  --BOUNDARY
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  
  hello world
  --BOUNDARY--''')
  
  
      def test_seq_parts_in_a_multipart_with_none_epilogue(self):
          eq = self.ndiffAssertEqual
          outer = MIMEBase('multipart', 'mixed')
          outer['Subject'] = 'A subject'
          outer['To'] = 'aperson@dom.ain'
          outer['From'] = 'bperson@dom.ain'
          outer.epilogue = None
          msg = MIMEText('hello world')
          outer.attach(msg)
          outer.set_boundary('BOUNDARY')
          eq(outer.as_string(), '''\
  Content-Type: multipart/mixed; boundary="BOUNDARY"
  MIME-Version: 1.0
  Subject: A subject
  To: aperson@dom.ain
  From: bperson@dom.ain
  
  --BOUNDARY
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  
  hello world
  --BOUNDARY--''')
  
  
      def test_seq_parts_in_a_multipart_with_empty_epilogue(self):
          eq = self.ndiffAssertEqual
          outer = MIMEBase('multipart', 'mixed')
          outer['Subject'] = 'A subject'
          outer['To'] = 'aperson@dom.ain'
          outer['From'] = 'bperson@dom.ain'
          outer.epilogue = ''
          msg = MIMEText('hello world')
          outer.attach(msg)
          outer.set_boundary('BOUNDARY')
          eq(outer.as_string(), '''\
  Content-Type: multipart/mixed; boundary="BOUNDARY"
  MIME-Version: 1.0
  Subject: A subject
  To: aperson@dom.ain
  From: bperson@dom.ain
  
  --BOUNDARY
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  
  hello world
  --BOUNDARY--
  ''')
  
  
      def test_seq_parts_in_a_multipart_with_nl_epilogue(self):
          eq = self.ndiffAssertEqual
          outer = MIMEBase('multipart', 'mixed')
          outer['Subject'] = 'A subject'
          outer['To'] = 'aperson@dom.ain'
          outer['From'] = 'bperson@dom.ain'
          outer.epilogue = '\n'
          msg = MIMEText('hello world')
          outer.attach(msg)
          outer.set_boundary('BOUNDARY')
          eq(outer.as_string(), '''\
  Content-Type: multipart/mixed; boundary="BOUNDARY"
  MIME-Version: 1.0
  Subject: A subject
  To: aperson@dom.ain
  From: bperson@dom.ain
  
  --BOUNDARY
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  
  hello world
  --BOUNDARY--
  
  ''')
  
      def test_message_external_body(self):
          eq = self.assertEqual
          msg = self._msgobj('msg_36.txt')
          eq(len(msg.get_payload()), 2)
          msg1 = msg.get_payload(1)
          eq(msg1.get_content_type(), 'multipart/alternative')
          eq(len(msg1.get_payload()), 2)
          for subpart in msg1.get_payload():
              eq(subpart.get_content_type(), 'message/external-body')
              eq(len(subpart.get_payload()), 1)
              subsubpart = subpart.get_payload(0)
              eq(subsubpart.get_content_type(), 'text/plain')
  
      def test_double_boundary(self):
          # msg_37.txt is a multipart that contains two dash-boundary's in a
          # row.  Our interpretation of RFC 2046 calls for ignoring the second
          # and subsequent boundaries.
          msg = self._msgobj('msg_37.txt')
          self.assertEqual(len(msg.get_payload()), 3)
  
      def test_nested_inner_contains_outer_boundary(self):
          eq = self.ndiffAssertEqual
          # msg_38.txt has an inner part that contains outer boundaries.  My
          # interpretation of RFC 2046 (based on sections 5.1 and 5.1.2) say
          # these are illegal and should be interpreted as unterminated inner
          # parts.
          msg = self._msgobj('msg_38.txt')
          sfp = StringIO()
          Iterators._structure(msg, sfp)
          eq(sfp.getvalue(), """\
  multipart/mixed
      multipart/mixed
          multipart/alternative
              text/plain
          text/plain
      text/plain
      text/plain
  """)
  
      def test_nested_with_same_boundary(self):
          eq = self.ndiffAssertEqual
          # msg 39.txt is similarly evil in that it's got inner parts that use
          # the same boundary as outer parts.  Again, I believe the way this is
          # parsed is closest to the spirit of RFC 2046
          msg = self._msgobj('msg_39.txt')
          sfp = StringIO()
          Iterators._structure(msg, sfp)
          eq(sfp.getvalue(), """\
  multipart/mixed
      multipart/mixed
          multipart/alternative
          application/octet-stream
          application/octet-stream
      text/plain
  """)
  
      def test_boundary_in_non_multipart(self):
          msg = self._msgobj('msg_40.txt')
          self.assertEqual(msg.as_string(), '''\
  MIME-Version: 1.0
  Content-Type: text/html; boundary="--961284236552522269"
  
  ----961284236552522269
  Content-Type: text/html;
  Content-Transfer-Encoding: 7Bit
  
  <html></html>
  
  ----961284236552522269--
  ''')
  
      def test_boundary_with_leading_space(self):
          eq = self.assertEqual
          msg = email.message_from_string('''\
  MIME-Version: 1.0
  Content-Type: multipart/mixed; boundary="    XXXX"
  
  --    XXXX
  Content-Type: text/plain
  
  
  --    XXXX
  Content-Type: text/plain
  
  --    XXXX--
  ''')
          self.failUnless(msg.is_multipart())
          eq(msg.get_boundary(), '    XXXX')
          eq(len(msg.get_payload()), 2)
  
      def test_boundary_without_trailing_newline(self):
          m = Parser().parsestr("""\
  Content-Type: multipart/mixed; boundary="===============0012394164=="
  MIME-Version: 1.0
  
  --===============0012394164==
  Content-Type: image/file1.jpg
  MIME-Version: 1.0
  Content-Transfer-Encoding: base64
  
  YXNkZg==
  --===============0012394164==--""")
          self.assertEquals(m.get_payload(0).get_payload(), 'YXNkZg==')
  
  
  
  # Test some badly formatted messages
  class TestNonConformant(TestEmailBase):
      def test_parse_missing_minor_type(self):
          eq = self.assertEqual
          msg = self._msgobj('msg_14.txt')
          eq(msg.get_content_type(), 'text/plain')
          eq(msg.get_content_maintype(), 'text')
          eq(msg.get_content_subtype(), 'plain')
  
      def test_same_boundary_inner_outer(self):
          unless = self.failUnless
          msg = self._msgobj('msg_15.txt')
          # XXX We can probably eventually do better
          inner = msg.get_payload(0)
          unless(hasattr(inner, 'defects'))
          self.assertEqual(len(inner.defects), 1)
          unless(isinstance(inner.defects[0],
                            Errors.StartBoundaryNotFoundDefect))
  
      def test_multipart_no_boundary(self):
          unless = self.failUnless
          msg = self._msgobj('msg_25.txt')
          unless(isinstance(msg.get_payload(), str))
          self.assertEqual(len(msg.defects), 2)
          unless(isinstance(msg.defects[0], Errors.NoBoundaryInMultipartDefect))
          unless(isinstance(msg.defects[1],
                            Errors.MultipartInvariantViolationDefect))
  
      def test_invalid_content_type(self):
          eq = self.assertEqual
          neq = self.ndiffAssertEqual
          msg = Message()
          # RFC 2045, $5.2 says invalid yields text/plain
          msg['Content-Type'] = 'text'
          eq(msg.get_content_maintype(), 'text')
          eq(msg.get_content_subtype(), 'plain')
          eq(msg.get_content_type(), 'text/plain')
          # Clear the old value and try something /really/ invalid
          del msg['content-type']
          msg['Content-Type'] = 'foo'
          eq(msg.get_content_maintype(), 'text')
          eq(msg.get_content_subtype(), 'plain')
          eq(msg.get_content_type(), 'text/plain')
          # Still, make sure that the message is idempotently generated
          s = StringIO()
          g = Generator(s)
          g.flatten(msg)
          neq(s.getvalue(), 'Content-Type: foo\n\n')
  
      def test_no_start_boundary(self):
          eq = self.ndiffAssertEqual
          msg = self._msgobj('msg_31.txt')
          eq(msg.get_payload(), """\
  --BOUNDARY
  Content-Type: text/plain
  
  message 1
  
  --BOUNDARY
  Content-Type: text/plain
  
  message 2
  
  --BOUNDARY--
  """)
  
      def test_no_separating_blank_line(self):
          eq = self.ndiffAssertEqual
          msg = self._msgobj('msg_35.txt')
          eq(msg.as_string(), """\
  From: aperson@dom.ain
  To: bperson@dom.ain
  Subject: here's something interesting
  
  counter to RFC 2822, there's no separating newline here
  """)
  
      def test_lying_multipart(self):
          unless = self.failUnless
          msg = self._msgobj('msg_41.txt')
          unless(hasattr(msg, 'defects'))
          self.assertEqual(len(msg.defects), 2)
          unless(isinstance(msg.defects[0], Errors.NoBoundaryInMultipartDefect))
          unless(isinstance(msg.defects[1],
                            Errors.MultipartInvariantViolationDefect))
  
      def test_missing_start_boundary(self):
          outer = self._msgobj('msg_42.txt')
          # The message structure is:
          #
          # multipart/mixed
          #    text/plain
          #    message/rfc822
          #        multipart/mixed [*]
          #
          # [*] This message is missing its start boundary
          bad = outer.get_payload(1).get_payload(0)
          self.assertEqual(len(bad.defects), 1)
          self.failUnless(isinstance(bad.defects[0],
                                     Errors.StartBoundaryNotFoundDefect))
  
      def test_first_line_is_continuation_header(self):
          eq = self.assertEqual
          m = ' Line 1\nLine 2\nLine 3'
          msg = email.message_from_string(m)
          eq(msg.keys(), [])
          eq(msg.get_payload(), 'Line 2\nLine 3')
          eq(len(msg.defects), 1)
          self.failUnless(isinstance(msg.defects[0],
                                     Errors.FirstHeaderLineIsContinuationDefect))
          eq(msg.defects[0].line, ' Line 1\n')
  
  
  
  
  # Test RFC 2047 header encoding and decoding
  class TestRFC2047(unittest.TestCase):
      def test_rfc2047_multiline(self):
          eq = self.assertEqual
          s = """Re: =?mac-iceland?q?r=8Aksm=9Arg=8Cs?= baz
   foo bar =?mac-iceland?q?r=8Aksm=9Arg=8Cs?="""
          dh = decode_header(s)
          eq(dh, [
              ('Re:', None),
              ('r\x8aksm\x9arg\x8cs', 'mac-iceland'),
              ('baz foo bar', None),
              ('r\x8aksm\x9arg\x8cs', 'mac-iceland')])
          eq(str(make_header(dh)),
             """Re: =?mac-iceland?q?r=8Aksm=9Arg=8Cs?= baz foo bar
   =?mac-iceland?q?r=8Aksm=9Arg=8Cs?=""")
  
      def test_whitespace_eater_unicode(self):
          eq = self.assertEqual
          s = '=?ISO-8859-1?Q?Andr=E9?= Pirard <pirard@dom.ain>'
          dh = decode_header(s)
          eq(dh, [('Andr\xe9', 'iso-8859-1'), ('Pirard <pirard@dom.ain>', None)])
          hu = unicode(make_header(dh)).encode('latin-1')
          eq(hu, 'Andr\xe9 Pirard <pirard@dom.ain>')
  
      def test_whitespace_eater_unicode_2(self):
          eq = self.assertEqual
          s = 'The =?iso-8859-1?b?cXVpY2sgYnJvd24gZm94?= jumped over the =?iso-8859-1?b?bGF6eSBkb2c=?='
          dh = decode_header(s)
          eq(dh, [('The', None), ('quick brown fox', 'iso-8859-1'),
                  ('jumped over the', None), ('lazy dog', 'iso-8859-1')])
          hu = make_header(dh).__unicode__()
          eq(hu, u'The quick brown fox jumped over the lazy dog')
  
      def test_rfc2047_without_whitespace(self):
          s = 'Sm=?ISO-8859-1?B?9g==?=rg=?ISO-8859-1?B?5Q==?=sbord'
          dh = decode_header(s)
          self.assertEqual(dh, [(s, None)])
  
      def test_rfc2047_with_whitespace(self):
          s = 'Sm =?ISO-8859-1?B?9g==?= rg =?ISO-8859-1?B?5Q==?= sbord'
          dh = decode_header(s)
          self.assertEqual(dh, [('Sm', None), ('\xf6', 'iso-8859-1'),
                                ('rg', None), ('\xe5', 'iso-8859-1'),
                                ('sbord', None)])
  
  
  
  # Test the MIMEMessage class
  class TestMIMEMessage(TestEmailBase):
      def setUp(self):
          fp = openfile('msg_11.txt')
          try:
              self._text = fp.read()
          finally:
              fp.close()
  
      def test_type_error(self):
          self.assertRaises(TypeError, MIMEMessage, 'a plain string')
  
      def test_valid_argument(self):
          eq = self.assertEqual
          unless = self.failUnless
          subject = 'A sub-message'
          m = Message()
          m['Subject'] = subject
          r = MIMEMessage(m)
          eq(r.get_content_type(), 'message/rfc822')
          payload = r.get_payload()
          unless(isinstance(payload, list))
          eq(len(payload), 1)
          subpart = payload[0]
          unless(subpart is m)
          eq(subpart['subject'], subject)
  
      def test_bad_multipart(self):
          eq = self.assertEqual
          msg1 = Message()
          msg1['Subject'] = 'subpart 1'
          msg2 = Message()
          msg2['Subject'] = 'subpart 2'
          r = MIMEMessage(msg1)
          self.assertRaises(Errors.MultipartConversionError, r.attach, msg2)
  
      def test_generate(self):
          # First craft the message to be encapsulated
          m = Message()
          m['Subject'] = 'An enclosed message'
          m.set_payload('Here is the body of the message.\n')
          r = MIMEMessage(m)
          r['Subject'] = 'The enclosing message'
          s = StringIO()
          g = Generator(s)
          g.flatten(r)
          self.assertEqual(s.getvalue(), """\
  Content-Type: message/rfc822
  MIME-Version: 1.0
  Subject: The enclosing message
  
  Subject: An enclosed message
  
  Here is the body of the message.
  """)
  
      def test_parse_message_rfc822(self):
          eq = self.assertEqual
          unless = self.failUnless
          msg = self._msgobj('msg_11.txt')
          eq(msg.get_content_type(), 'message/rfc822')
          payload = msg.get_payload()
          unless(isinstance(payload, list))
          eq(len(payload), 1)
          submsg = payload[0]
          self.failUnless(isinstance(submsg, Message))
          eq(submsg['subject'], 'An enclosed message')
          eq(submsg.get_payload(), 'Here is the body of the message.\n')
  
      def test_dsn(self):
          eq = self.assertEqual
          unless = self.failUnless
          # msg 16 is a Delivery Status Notification, see RFC 1894
          msg = self._msgobj('msg_16.txt')
          eq(msg.get_content_type(), 'multipart/report')
          unless(msg.is_multipart())
          eq(len(msg.get_payload()), 3)
          # Subpart 1 is a text/plain, human readable section
          subpart = msg.get_payload(0)
          eq(subpart.get_content_type(), 'text/plain')
          eq(subpart.get_payload(), """\
  This report relates to a message you sent with the following header fields:
  
    Message-id: <002001c144a6$8752e060$56104586@oxy.edu>
    Date: Sun, 23 Sep 2001 20:10:55 -0700
    From: "Ian T. Henry" <henryi@oxy.edu>
    To: SoCal Raves <scr@socal-raves.org>
    Subject: [scr] yeah for Ians!!
  
  Your message cannot be delivered to the following recipients:
  
    Recipient address: jangel1@cougar.noc.ucla.edu
    Reason: recipient reached disk quota
  
  """)
          # Subpart 2 contains the machine parsable DSN information.  It
          # consists of two blocks of headers, represented by two nested Message
          # objects.
          subpart = msg.get_payload(1)
          eq(subpart.get_content_type(), 'message/delivery-status')
          eq(len(subpart.get_payload()), 2)
          # message/delivery-status should treat each block as a bunch of
          # headers, i.e. a bunch of Message objects.
          dsn1 = subpart.get_payload(0)
          unless(isinstance(dsn1, Message))
          eq(dsn1['original-envelope-id'], '0GK500B4HD0888@cougar.noc.ucla.edu')
          eq(dsn1.get_param('dns', header='reporting-mta'), '')
          # Try a missing one <wink>
          eq(dsn1.get_param('nsd', header='reporting-mta'), None)
          dsn2 = subpart.get_payload(1)
          unless(isinstance(dsn2, Message))
          eq(dsn2['action'], 'failed')
          eq(dsn2.get_params(header='original-recipient'),
             [('rfc822', ''), ('jangel1@cougar.noc.ucla.edu', '')])
          eq(dsn2.get_param('rfc822', header='final-recipient'), '')
          # Subpart 3 is the original message
          subpart = msg.get_payload(2)
          eq(subpart.get_content_type(), 'message/rfc822')
          payload = subpart.get_payload()
          unless(isinstance(payload, list))
          eq(len(payload), 1)
          subsubpart = payload[0]
          unless(isinstance(subsubpart, Message))
          eq(subsubpart.get_content_type(), 'text/plain')
          eq(subsubpart['message-id'],
             '<002001c144a6$8752e060$56104586@oxy.edu>')
  
      def test_epilogue(self):
          eq = self.ndiffAssertEqual
          fp = openfile('msg_21.txt')
          try:
              text = fp.read()
          finally:
              fp.close()
          msg = Message()
          msg['From'] = 'aperson@dom.ain'
          msg['To'] = 'bperson@dom.ain'
          msg['Subject'] = 'Test'
          msg.preamble = 'MIME message'
          msg.epilogue = 'End of MIME message\n'
          msg1 = MIMEText('One')
          msg2 = MIMEText('Two')
          msg.add_header('Content-Type', 'multipart/mixed', boundary='BOUNDARY')
          msg.attach(msg1)
          msg.attach(msg2)
          sfp = StringIO()
          g = Generator(sfp)
          g.flatten(msg)
          eq(sfp.getvalue(), text)
  
      def test_no_nl_preamble(self):
          eq = self.ndiffAssertEqual
          msg = Message()
          msg['From'] = 'aperson@dom.ain'
          msg['To'] = 'bperson@dom.ain'
          msg['Subject'] = 'Test'
          msg.preamble = 'MIME message'
          msg.epilogue = ''
          msg1 = MIMEText('One')
          msg2 = MIMEText('Two')
          msg.add_header('Content-Type', 'multipart/mixed', boundary='BOUNDARY')
          msg.attach(msg1)
          msg.attach(msg2)
          eq(msg.as_string(), """\
  From: aperson@dom.ain
  To: bperson@dom.ain
  Subject: Test
  Content-Type: multipart/mixed; boundary="BOUNDARY"
  
  MIME message
  --BOUNDARY
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  
  One
  --BOUNDARY
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  
  Two
  --BOUNDARY--
  """)
  
      def test_default_type(self):
          eq = self.assertEqual
          fp = openfile('msg_30.txt')
          try:
              msg = email.message_from_file(fp)
          finally:
              fp.close()
          container1 = msg.get_payload(0)
          eq(container1.get_default_type(), 'message/rfc822')
          eq(container1.get_content_type(), 'message/rfc822')
          container2 = msg.get_payload(1)
          eq(container2.get_default_type(), 'message/rfc822')
          eq(container2.get_content_type(), 'message/rfc822')
          container1a = container1.get_payload(0)
          eq(container1a.get_default_type(), 'text/plain')
          eq(container1a.get_content_type(), 'text/plain')
          container2a = container2.get_payload(0)
          eq(container2a.get_default_type(), 'text/plain')
          eq(container2a.get_content_type(), 'text/plain')
  
      def test_default_type_with_explicit_container_type(self):
          eq = self.assertEqual
          fp = openfile('msg_28.txt')
          try:
              msg = email.message_from_file(fp)
          finally:
              fp.close()
          container1 = msg.get_payload(0)
          eq(container1.get_default_type(), 'message/rfc822')
          eq(container1.get_content_type(), 'message/rfc822')
          container2 = msg.get_payload(1)
          eq(container2.get_default_type(), 'message/rfc822')
          eq(container2.get_content_type(), 'message/rfc822')
          container1a = container1.get_payload(0)
          eq(container1a.get_default_type(), 'text/plain')
          eq(container1a.get_content_type(), 'text/plain')
          container2a = container2.get_payload(0)
          eq(container2a.get_default_type(), 'text/plain')
          eq(container2a.get_content_type(), 'text/plain')
  
      def test_default_type_non_parsed(self):
          eq = self.assertEqual
          neq = self.ndiffAssertEqual
          # Set up container
          container = MIMEMultipart('digest', 'BOUNDARY')
          container.epilogue = ''
          # Set up subparts
          subpart1a = MIMEText('message 1\n')
          subpart2a = MIMEText('message 2\n')
          subpart1 = MIMEMessage(subpart1a)
          subpart2 = MIMEMessage(subpart2a)
          container.attach(subpart1)
          container.attach(subpart2)
          eq(subpart1.get_content_type(), 'message/rfc822')
          eq(subpart1.get_default_type(), 'message/rfc822')
          eq(subpart2.get_content_type(), 'message/rfc822')
          eq(subpart2.get_default_type(), 'message/rfc822')
          neq(container.as_string(0), '''\
  Content-Type: multipart/digest; boundary="BOUNDARY"
  MIME-Version: 1.0
  
  --BOUNDARY
  Content-Type: message/rfc822
  MIME-Version: 1.0
  
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  
  message 1
  
  --BOUNDARY
  Content-Type: message/rfc822
  MIME-Version: 1.0
  
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  
  message 2
  
  --BOUNDARY--
  ''')
          del subpart1['content-type']
          del subpart1['mime-version']
          del subpart2['content-type']
          del subpart2['mime-version']
          eq(subpart1.get_content_type(), 'message/rfc822')
          eq(subpart1.get_default_type(), 'message/rfc822')
          eq(subpart2.get_content_type(), 'message/rfc822')
          eq(subpart2.get_default_type(), 'message/rfc822')
          neq(container.as_string(0), '''\
  Content-Type: multipart/digest; boundary="BOUNDARY"
  MIME-Version: 1.0
  
  --BOUNDARY
  
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  
  message 1
  
  --BOUNDARY
  
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  
  message 2
  
  --BOUNDARY--
  ''')
  
      def test_mime_attachments_in_constructor(self):
          eq = self.assertEqual
          text1 = MIMEText('')
          text2 = MIMEText('')
          msg = MIMEMultipart(_subparts=(text1, text2))
          eq(len(msg.get_payload()), 2)
          eq(msg.get_payload(0), text1)
          eq(msg.get_payload(1), text2)
  
  
  
  # A general test of parser->model->generator idempotency.  IOW, read a message
  # in, parse it into a message object tree, then without touching the tree,
  # regenerate the plain text.  The original text and the transformed text
  # should be identical.  Note: that we ignore the Unix-From since that may
  # contain a changed date.
  class TestIdempotent(TestEmailBase):
      def _msgobj(self, filename):
          fp = openfile(filename)
          try:
              data = fp.read()
          finally:
              fp.close()
          msg = email.message_from_string(data)
          return msg, data
  
      def _idempotent(self, msg, text):
          eq = self.ndiffAssertEqual
          s = StringIO()
          g = Generator(s, maxheaderlen=0)
          g.flatten(msg)
          eq(text, s.getvalue())
  
      def test_parse_text_message(self):
          eq = self.assertEquals
          msg, text = self._msgobj('msg_01.txt')
          eq(msg.get_content_type(), 'text/plain')
          eq(msg.get_content_maintype(), 'text')
          eq(msg.get_content_subtype(), 'plain')
          eq(msg.get_params()[1], ('charset', 'us-ascii'))
          eq(msg.get_param('charset'), 'us-ascii')
          eq(msg.preamble, None)
          eq(msg.epilogue, None)
          self._idempotent(msg, text)
  
      def test_parse_untyped_message(self):
          eq = self.assertEquals
          msg, text = self._msgobj('msg_03.txt')
          eq(msg.get_content_type(), 'text/plain')
          eq(msg.get_params(), None)
          eq(msg.get_param('charset'), None)
          self._idempotent(msg, text)
  
      def test_simple_multipart(self):
          msg, text = self._msgobj('msg_04.txt')
          self._idempotent(msg, text)
  
      def test_MIME_digest(self):
          msg, text = self._msgobj('msg_02.txt')
          self._idempotent(msg, text)
  
      def test_long_header(self):
          msg, text = self._msgobj('msg_27.txt')
          self._idempotent(msg, text)
  
      def test_MIME_digest_with_part_headers(self):
          msg, text = self._msgobj('msg_28.txt')
          self._idempotent(msg, text)
  
      def test_mixed_with_image(self):
          msg, text = self._msgobj('msg_06.txt')
          self._idempotent(msg, text)
  
      def test_multipart_report(self):
          msg, text = self._msgobj('msg_05.txt')
          self._idempotent(msg, text)
  
      def test_dsn(self):
          msg, text = self._msgobj('msg_16.txt')
          self._idempotent(msg, text)
  
      def test_preamble_epilogue(self):
          msg, text = self._msgobj('msg_21.txt')
          self._idempotent(msg, text)
  
      def test_multipart_one_part(self):
          msg, text = self._msgobj('msg_23.txt')
          self._idempotent(msg, text)
  
      def test_multipart_no_parts(self):
          msg, text = self._msgobj('msg_24.txt')
          self._idempotent(msg, text)
  
      def test_no_start_boundary(self):
          msg, text = self._msgobj('msg_31.txt')
          self._idempotent(msg, text)
  
      def test_rfc2231_charset(self):
          msg, text = self._msgobj('msg_32.txt')
          self._idempotent(msg, text)
  
      def test_more_rfc2231_parameters(self):
          msg, text = self._msgobj('msg_33.txt')
          self._idempotent(msg, text)
  
      def test_text_plain_in_a_multipart_digest(self):
          msg, text = self._msgobj('msg_34.txt')
          self._idempotent(msg, text)
  
      def test_nested_multipart_mixeds(self):
          msg, text = self._msgobj('msg_12a.txt')
          self._idempotent(msg, text)
  
      def test_message_external_body_idempotent(self):
          msg, text = self._msgobj('msg_36.txt')
          self._idempotent(msg, text)
  
      def test_content_type(self):
          eq = self.assertEquals
          unless = self.failUnless
          # Get a message object and reset the seek pointer for other tests
          msg, text = self._msgobj('msg_05.txt')
          eq(msg.get_content_type(), 'multipart/report')
          # Test the Content-Type: parameters
          params = {}
          for pk, pv in msg.get_params():
              params[pk] = pv
          eq(params['report-type'], 'delivery-status')
          eq(params['boundary'], 'D1690A7AC1.996856090/mail.example.com')
          eq(msg.preamble, 'This is a MIME-encapsulated message.\n')
          eq(msg.epilogue, '\n')
          eq(len(msg.get_payload()), 3)
          # Make sure the subparts are what we expect
          msg1 = msg.get_payload(0)
          eq(msg1.get_content_type(), 'text/plain')
          eq(msg1.get_payload(), 'Yadda yadda yadda\n')
          msg2 = msg.get_payload(1)
          eq(msg2.get_content_type(), 'text/plain')
          eq(msg2.get_payload(), 'Yadda yadda yadda\n')
          msg3 = msg.get_payload(2)
          eq(msg3.get_content_type(), 'message/rfc822')
          self.failUnless(isinstance(msg3, Message))
          payload = msg3.get_payload()
          unless(isinstance(payload, list))
          eq(len(payload), 1)
          msg4 = payload[0]
          unless(isinstance(msg4, Message))
          eq(msg4.get_payload(), 'Yadda yadda yadda\n')
  
      def test_parser(self):
          eq = self.assertEquals
          unless = self.failUnless
          msg, text = self._msgobj('msg_06.txt')
          # Check some of the outer headers
          eq(msg.get_content_type(), 'message/rfc822')
          # Make sure the payload is a list of exactly one sub-Message, and that
          # that submessage has a type of text/plain
          payload = msg.get_payload()
          unless(isinstance(payload, list))
          eq(len(payload), 1)
          msg1 = payload[0]
          self.failUnless(isinstance(msg1, Message))
          eq(msg1.get_content_type(), 'text/plain')
          self.failUnless(isinstance(msg1.get_payload(), str))
          eq(msg1.get_payload(), '\n')
  
  
  
  # Test various other bits of the package's functionality
  class TestMiscellaneous(TestEmailBase):
      def test_message_from_string(self):
          fp = openfile('msg_01.txt')
          try:
              text = fp.read()
          finally:
              fp.close()
          msg = email.message_from_string(text)
          s = StringIO()
          # Don't wrap/continue long headers since we're trying to test
          # idempotency.
          g = Generator(s, maxheaderlen=0)
          g.flatten(msg)
          self.assertEqual(text, s.getvalue())
  
      def test_message_from_file(self):
          fp = openfile('msg_01.txt')
          try:
              text = fp.read()
              fp.seek(0)
              msg = email.message_from_file(fp)
              s = StringIO()
              # Don't wrap/continue long headers since we're trying to test
              # idempotency.
              g = Generator(s, maxheaderlen=0)
              g.flatten(msg)
              self.assertEqual(text, s.getvalue())
          finally:
              fp.close()
  
      def test_message_from_string_with_class(self):
          unless = self.failUnless
          fp = openfile('msg_01.txt')
          try:
              text = fp.read()
          finally:
              fp.close()
          # Create a subclass
          class MyMessage(Message):
              pass
  
          msg = email.message_from_string(text, MyMessage)
          unless(isinstance(msg, MyMessage))
          # Try something more complicated
          fp = openfile('msg_02.txt')
          try:
              text = fp.read()
          finally:
              fp.close()
          msg = email.message_from_string(text, MyMessage)
          for subpart in msg.walk():
              unless(isinstance(subpart, MyMessage))
  
      def test_message_from_file_with_class(self):
          unless = self.failUnless
          # Create a subclass
          class MyMessage(Message):
              pass
  
          fp = openfile('msg_01.txt')
          try:
              msg = email.message_from_file(fp, MyMessage)
          finally:
              fp.close()
          unless(isinstance(msg, MyMessage))
          # Try something more complicated
          fp = openfile('msg_02.txt')
          try:
              msg = email.message_from_file(fp, MyMessage)
          finally:
              fp.close()
          for subpart in msg.walk():
              unless(isinstance(subpart, MyMessage))
  
      def test__all__(self):
          module = __import__('email')
          all = module.__all__
          all.sort()
          self.assertEqual(all, [
              # Old names
              'Charset', 'Encoders', 'Errors', 'Generator',
              'Header', 'Iterators', 'MIMEAudio', 'MIMEBase',
              'MIMEImage', 'MIMEMessage', 'MIMEMultipart',
              'MIMENonMultipart', 'MIMEText', 'Message',
              'Parser', 'Utils', 'base64MIME',
              # new names
              'base64mime', 'charset', 'encoders', 'errors', 'generator',
              'header', 'iterators', 'message', 'message_from_file',
              'message_from_string', 'mime', 'parser',
              'quopriMIME', 'quoprimime', 'utils',
              ])
  
      def test_formatdate(self):
          now = time.time()
          self.assertEqual(Utils.parsedate(Utils.formatdate(now))[:6],
                           time.gmtime(now)[:6])
  
      def test_formatdate_localtime(self):
          now = time.time()
          self.assertEqual(
              Utils.parsedate(Utils.formatdate(now, localtime=True))[:6],
              time.localtime(now)[:6])
  
      def test_formatdate_usegmt(self):
          now = time.time()
          self.assertEqual(
              Utils.formatdate(now, localtime=False),
              time.strftime('%a, %d %b %Y %H:%M:%S -0000', time.gmtime(now)))
          self.assertEqual(
              Utils.formatdate(now, localtime=False, usegmt=True),
              time.strftime('%a, %d %b %Y %H:%M:%S GMT', time.gmtime(now)))
  
      def test_parsedate_none(self):
          self.assertEqual(Utils.parsedate(''), None)
  
      def test_parsedate_compact(self):
          # The FWS after the comma is optional
          self.assertEqual(Utils.parsedate('Wed,3 Apr 2002 14:58:26 +0800'),
                           Utils.parsedate('Wed, 3 Apr 2002 14:58:26 +0800'))
  
      def test_parsedate_no_dayofweek(self):
          eq = self.assertEqual
          eq(Utils.parsedate_tz('25 Feb 2003 13:47:26 -0800'),
             (2003, 2, 25, 13, 47, 26, 0, 1, -1, -28800))
  
      def test_parsedate_compact_no_dayofweek(self):
          eq = self.assertEqual
          eq(Utils.parsedate_tz('5 Feb 2003 13:47:26 -0800'),
             (2003, 2, 5, 13, 47, 26, 0, 1, -1, -28800))
  
      def test_parsedate_acceptable_to_time_functions(self):
          eq = self.assertEqual
          timetup = Utils.parsedate('5 Feb 2003 13:47:26 -0800')
          t = int(time.mktime(timetup))
          eq(time.localtime(t)[:6], timetup[:6])
          eq(int(time.strftime('%Y', timetup)), 2003)
          timetup = Utils.parsedate_tz('5 Feb 2003 13:47:26 -0800')
          t = int(time.mktime(timetup[:9]))
          eq(time.localtime(t)[:6], timetup[:6])
          eq(int(time.strftime('%Y', timetup[:9])), 2003)
  
      def test_parseaddr_empty(self):
          self.assertEqual(Utils.parseaddr('<>'), ('', ''))
          self.assertEqual(Utils.formataddr(Utils.parseaddr('<>')), '')
  
      def test_noquote_dump(self):
          self.assertEqual(
              Utils.formataddr(('A Silly Person', 'person@dom.ain')),
              'A Silly Person <person@dom.ain>')
  
      def test_escape_dump(self):
          self.assertEqual(
              Utils.formataddr(('A (Very) Silly Person', 'person@dom.ain')),
              r'"A \(Very\) Silly Person" <person@dom.ain>')
          a = r'A \(Special\) Person'
          b = 'person@dom.ain'
          self.assertEqual(Utils.parseaddr(Utils.formataddr((a, b))), (a, b))
  
      def test_escape_backslashes(self):
          self.assertEqual(
              Utils.formataddr(('Arthur \Backslash\ Foobar', 'person@dom.ain')),
              r'"Arthur \\Backslash\\ Foobar" <person@dom.ain>')
          a = r'Arthur \Backslash\ Foobar'
          b = 'person@dom.ain'
          self.assertEqual(Utils.parseaddr(Utils.formataddr((a, b))), (a, b))
  
      def test_name_with_dot(self):
          x = 'John X. Doe <jxd@example.com>'
          y = '"John X. Doe" <jxd@example.com>'
          a, b = ('John X. Doe', 'jxd@example.com')
          self.assertEqual(Utils.parseaddr(x), (a, b))
          self.assertEqual(Utils.parseaddr(y), (a, b))
          # formataddr() quotes the name if there's a dot in it
          self.assertEqual(Utils.formataddr((a, b)), y)
  
      def test_multiline_from_comment(self):
          x = """\
  Foo
  \tBar <foo@example.com>"""
          self.assertEqual(Utils.parseaddr(x), ('Foo Bar', 'foo@example.com'))
  
      def test_quote_dump(self):
          self.assertEqual(
              Utils.formataddr(('A Silly; Person', 'person@dom.ain')),
              r'"A Silly; Person" <person@dom.ain>')
  
      def test_fix_eols(self):
          eq = self.assertEqual
          eq(Utils.fix_eols('hello'), 'hello')
          eq(Utils.fix_eols('hello\n'), 'hello\r\n')
          eq(Utils.fix_eols('hello\r'), 'hello\r\n')
          eq(Utils.fix_eols('hello\r\n'), 'hello\r\n')
          eq(Utils.fix_eols('hello\n\r'), 'hello\r\n\r\n')
  
      def test_charset_richcomparisons(self):
          eq = self.assertEqual
          ne = self.failIfEqual
          cset1 = Charset()
          cset2 = Charset()
          eq(cset1, 'us-ascii')
          eq(cset1, 'US-ASCII')
          eq(cset1, 'Us-AsCiI')
          eq('us-ascii', cset1)
          eq('US-ASCII', cset1)
          eq('Us-AsCiI', cset1)
          ne(cset1, 'usascii')
          ne(cset1, 'USASCII')
          ne(cset1, 'UsAsCiI')
          ne('usascii', cset1)
          ne('USASCII', cset1)
          ne('UsAsCiI', cset1)
          eq(cset1, cset2)
          eq(cset2, cset1)
  
      def test_getaddresses(self):
          eq = self.assertEqual
          eq(Utils.getaddresses(['aperson@dom.ain (Al Person)',
                                 'Bud Person <bperson@dom.ain>']),
             [('Al Person', 'aperson@dom.ain'),
              ('Bud Person', 'bperson@dom.ain')])
  
      def test_getaddresses_nasty(self):
          eq = self.assertEqual
          eq(Utils.getaddresses(['foo: ;']), [('', '')])
          eq(Utils.getaddresses(
             ['[]*-- =~$']),
             [('', ''), ('', ''), ('', '*--')])
          eq(Utils.getaddresses(
             ['foo: ;', '"Jason R. Mastaler" <jason@dom.ain>']),
             [('', ''), ('Jason R. Mastaler', 'jason@dom.ain')])
  
      def test_getaddresses_embedded_comment(self):
          """Test proper handling of a nested comment"""
          eq = self.assertEqual
          addrs = Utils.getaddresses(['User ((nested comment)) <foo@bar.com>'])
          eq(addrs[0][1], 'foo@bar.com')
  
      def test_utils_quote_unquote(self):
          eq = self.assertEqual
          msg = Message()
          msg.add_header('content-disposition', 'attachment',
                         filename='foo\\wacky"name')
          eq(msg.get_filename(), 'foo\\wacky"name')
  
      def test_get_body_encoding_with_bogus_charset(self):
          charset = Charset('not a charset')
          self.assertEqual(charset.get_body_encoding(), 'base64')
  
      def test_get_body_encoding_with_uppercase_charset(self):
          eq = self.assertEqual
          msg = Message()
          msg['Content-Type'] = 'text/plain; charset=UTF-8'
          eq(msg['content-type'], 'text/plain; charset=UTF-8')
          charsets = msg.get_charsets()
          eq(len(charsets), 1)
          eq(charsets[0], 'utf-8')
          charset = Charset(charsets[0])
          eq(charset.get_body_encoding(), 'base64')
          msg.set_payload('hello world', charset=charset)
          eq(msg.get_payload(), 'aGVsbG8gd29ybGQ=\n')
          eq(msg.get_payload(decode=True), 'hello world')
          eq(msg['content-transfer-encoding'], 'base64')
          # Try another one
          msg = Message()
          msg['Content-Type'] = 'text/plain; charset="US-ASCII"'
          charsets = msg.get_charsets()
          eq(len(charsets), 1)
          eq(charsets[0], 'us-ascii')
          charset = Charset(charsets[0])
          eq(charset.get_body_encoding(), Encoders.encode_7or8bit)
          msg.set_payload('hello world', charset=charset)
          eq(msg.get_payload(), 'hello world')
          eq(msg['content-transfer-encoding'], '7bit')
  
      def test_charsets_case_insensitive(self):
          lc = Charset('us-ascii')
          uc = Charset('US-ASCII')
          self.assertEqual(lc.get_body_encoding(), uc.get_body_encoding())
  
      def test_partial_falls_inside_message_delivery_status(self):
          eq = self.ndiffAssertEqual
          # The Parser interface provides chunks of data to FeedParser in 8192
          # byte gulps.  SF bug #1076485 found one of those chunks inside
          # message/delivery-status header block, which triggered an
          # unreadline() of NeedMoreData.
          msg = self._msgobj('msg_43.txt')
          sfp = StringIO()
          Iterators._structure(msg, sfp)
          eq(sfp.getvalue(), """\
  multipart/report
      text/plain
      message/delivery-status
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
          text/plain
      text/rfc822-headers
  """)
  
  
  
  # Test the iterator/generators
  class TestIterators(TestEmailBase):
      def test_body_line_iterator(self):
          eq = self.assertEqual
          neq = self.ndiffAssertEqual
          # First a simple non-multipart message
          msg = self._msgobj('msg_01.txt')
          it = Iterators.body_line_iterator(msg)
          lines = list(it)
          eq(len(lines), 6)
          neq(EMPTYSTRING.join(lines), msg.get_payload())
          # Now a more complicated multipart
          msg = self._msgobj('msg_02.txt')
          it = Iterators.body_line_iterator(msg)
          lines = list(it)
          eq(len(lines), 43)
          fp = openfile('msg_19.txt')
          try:
              neq(EMPTYSTRING.join(lines), fp.read())
          finally:
              fp.close()
  
      def test_typed_subpart_iterator(self):
          eq = self.assertEqual
          msg = self._msgobj('msg_04.txt')
          it = Iterators.typed_subpart_iterator(msg, 'text')
          lines = []
          subparts = 0
          for subpart in it:
              subparts += 1
              lines.append(subpart.get_payload())
          eq(subparts, 2)
          eq(EMPTYSTRING.join(lines), """\
  a simple kind of mirror
  to reflect upon our own
  a simple kind of mirror
  to reflect upon our own
  """)
  
      def test_typed_subpart_iterator_default_type(self):
          eq = self.assertEqual
          msg = self._msgobj('msg_03.txt')
          it = Iterators.typed_subpart_iterator(msg, 'text', 'plain')
          lines = []
          subparts = 0
          for subpart in it:
              subparts += 1
              lines.append(subpart.get_payload())
          eq(subparts, 1)
          eq(EMPTYSTRING.join(lines), """\
  
  Hi,
  
  Do you like this message?
  
  -Me
  """)
  
  
  
  class TestParsers(TestEmailBase):
      def test_header_parser(self):
          eq = self.assertEqual
          # Parse only the headers of a complex multipart MIME document
          fp = openfile('msg_02.txt')
          try:
              msg = HeaderParser().parse(fp)
          finally:
              fp.close()
          eq(msg['from'], 'ppp-request@zzz.org')
          eq(msg['to'], 'ppp@zzz.org')
          eq(msg.get_content_type(), 'multipart/mixed')
          self.failIf(msg.is_multipart())
          self.failUnless(isinstance(msg.get_payload(), str))
  
      def test_whitespace_continuation(self):
          eq = self.assertEqual
          # This message contains a line after the Subject: header that has only
          # whitespace, but it is not empty!
          msg = email.message_from_string("""\
  From: aperson@dom.ain
  To: bperson@dom.ain
  Subject: the next line has a space on it
  \x20
  Date: Mon, 8 Apr 2002 15:09:19 -0400
  Message-ID: spam
  
  Here's the message body
  """)
          eq(msg['subject'], 'the next line has a space on it\n ')
          eq(msg['message-id'], 'spam')
          eq(msg.get_payload(), "Here's the message body\n")
  
      def test_whitespace_continuation_last_header(self):
          eq = self.assertEqual
          # Like the previous test, but the subject line is the last
          # header.
          msg = email.message_from_string("""\
  From: aperson@dom.ain
  To: bperson@dom.ain
  Date: Mon, 8 Apr 2002 15:09:19 -0400
  Message-ID: spam
  Subject: the next line has a space on it
  \x20
  
  Here's the message body
  """)
          eq(msg['subject'], 'the next line has a space on it\n ')
          eq(msg['message-id'], 'spam')
          eq(msg.get_payload(), "Here's the message body\n")
  
      def test_crlf_separation(self):
          eq = self.assertEqual
          fp = openfile('msg_26.txt', mode='rb')
          try:
              msg = Parser().parse(fp)
          finally:
              fp.close()
          eq(len(msg.get_payload()), 2)
          part1 = msg.get_payload(0)
          eq(part1.get_content_type(), 'text/plain')
          eq(part1.get_payload(), 'Simple email with attachment.\r\n\r\n')
          part2 = msg.get_payload(1)
          eq(part2.get_content_type(), 'application/riscos')
  
      def test_multipart_digest_with_extra_mime_headers(self):
          eq = self.assertEqual
          neq = self.ndiffAssertEqual
          fp = openfile('msg_28.txt')
          try:
              msg = email.message_from_file(fp)
          finally:
              fp.close()
          # Structure is:
          # multipart/digest
          #   message/rfc822
          #     text/plain
          #   message/rfc822
          #     text/plain
          eq(msg.is_multipart(), 1)
          eq(len(msg.get_payload()), 2)
          part1 = msg.get_payload(0)
          eq(part1.get_content_type(), 'message/rfc822')
          eq(part1.is_multipart(), 1)
          eq(len(part1.get_payload()), 1)
          part1a = part1.get_payload(0)
          eq(part1a.is_multipart(), 0)
          eq(part1a.get_content_type(), 'text/plain')
          neq(part1a.get_payload(), 'message 1\n')
          # next message/rfc822
          part2 = msg.get_payload(1)
          eq(part2.get_content_type(), 'message/rfc822')
          eq(part2.is_multipart(), 1)
          eq(len(part2.get_payload()), 1)
          part2a = part2.get_payload(0)
          eq(part2a.is_multipart(), 0)
          eq(part2a.get_content_type(), 'text/plain')
          neq(part2a.get_payload(), 'message 2\n')
  
      def test_three_lines(self):
          # A bug report by Andrew McNamara
          lines = ['From: Andrew Person <aperson@dom.ain',
                   'Subject: Test',
                   'Date: Tue, 20 Aug 2002 16:43:45 +1000']
          msg = email.message_from_string(NL.join(lines))
          self.assertEqual(msg['date'], 'Tue, 20 Aug 2002 16:43:45 +1000')
  
      def test_strip_line_feed_and_carriage_return_in_headers(self):
          eq = self.assertEqual
          # For [ 1002475 ] email message parser doesn't handle \r\n correctly
          value1 = 'text'
          value2 = 'more text'
          m = 'Header: %s\r\nNext-Header: %s\r\n\r\nBody\r\n\r\n' % (
              value1, value2)
          msg = email.message_from_string(m)
          eq(msg.get('Header'), value1)
          eq(msg.get('Next-Header'), value2)
  
      def test_rfc2822_header_syntax(self):
          eq = self.assertEqual
          m = '>From: foo\nFrom: bar\n!"#QUX;~: zoo\n\nbody'
          msg = email.message_from_string(m)
          eq(len(msg.keys()), 3)
          keys = msg.keys()
          keys.sort()
          eq(keys, ['!"#QUX;~', '>From', 'From'])
          eq(msg.get_payload(), 'body')
  
      def test_rfc2822_space_not_allowed_in_header(self):
          eq = self.assertEqual
          m = '>From foo@example.com 11:25:53\nFrom: bar\n!"#QUX;~: zoo\n\nbody'
          msg = email.message_from_string(m)
          eq(len(msg.keys()), 0)
  
      def test_rfc2822_one_character_header(self):
          eq = self.assertEqual
          m = 'A: first header\nB: second header\nCC: third header\n\nbody'
          msg = email.message_from_string(m)
          headers = msg.keys()
          headers.sort()
          eq(headers, ['A', 'B', 'CC'])
          eq(msg.get_payload(), 'body')
  
  
  
  class TestBase64(unittest.TestCase):
      def test_len(self):
          eq = self.assertEqual
          eq(base64MIME.base64_len('hello'),
             len(base64MIME.encode('hello', eol='')))
          for size in range(15):
              if   size == 0 : bsize = 0
              elif size <= 3 : bsize = 4
              elif size <= 6 : bsize = 8
              elif size <= 9 : bsize = 12
              elif size <= 12: bsize = 16
              else           : bsize = 20
              eq(base64MIME.base64_len('x'*size), bsize)
  
      def test_decode(self):
          eq = self.assertEqual
          eq(base64MIME.decode(''), '')
          eq(base64MIME.decode('aGVsbG8='), 'hello')
          eq(base64MIME.decode('aGVsbG8=', 'X'), 'hello')
          eq(base64MIME.decode('aGVsbG8NCndvcmxk\n', 'X'), 'helloXworld')
  
      def test_encode(self):
          eq = self.assertEqual
          eq(base64MIME.encode(''), '')
          eq(base64MIME.encode('hello'), 'aGVsbG8=\n')
          # Test the binary flag
          eq(base64MIME.encode('hello\n'), 'aGVsbG8K\n')
          eq(base64MIME.encode('hello\n', 0), 'aGVsbG8NCg==\n')
          # Test the maxlinelen arg
          eq(base64MIME.encode('xxxx ' * 20, maxlinelen=40), """\
  eHh4eCB4eHh4IHh4eHggeHh4eCB4eHh4IHh4eHgg
  eHh4eCB4eHh4IHh4eHggeHh4eCB4eHh4IHh4eHgg
  eHh4eCB4eHh4IHh4eHggeHh4eCB4eHh4IHh4eHgg
  eHh4eCB4eHh4IA==
  """)
          # Test the eol argument
          eq(base64MIME.encode('xxxx ' * 20, maxlinelen=40, eol='\r\n'), """\
  eHh4eCB4eHh4IHh4eHggeHh4eCB4eHh4IHh4eHgg\r
  eHh4eCB4eHh4IHh4eHggeHh4eCB4eHh4IHh4eHgg\r
  eHh4eCB4eHh4IHh4eHggeHh4eCB4eHh4IHh4eHgg\r
  eHh4eCB4eHh4IA==\r
  """)
  
      def test_header_encode(self):
          eq = self.assertEqual
          he = base64MIME.header_encode
          eq(he('hello'), '=?iso-8859-1?b?aGVsbG8=?=')
          eq(he('hello\nworld'), '=?iso-8859-1?b?aGVsbG8NCndvcmxk?=')
          # Test the charset option
          eq(he('hello', charset='iso-8859-2'), '=?iso-8859-2?b?aGVsbG8=?=')
          # Test the keep_eols flag
          eq(he('hello\nworld', keep_eols=True),
             '=?iso-8859-1?b?aGVsbG8Kd29ybGQ=?=')
          # Test the maxlinelen argument
          eq(he('xxxx ' * 20, maxlinelen=40), """\
  =?iso-8859-1?b?eHh4eCB4eHh4IHh4eHggeHg=?=
   =?iso-8859-1?b?eHggeHh4eCB4eHh4IHh4eHg=?=
   =?iso-8859-1?b?IHh4eHggeHh4eCB4eHh4IHg=?=
   =?iso-8859-1?b?eHh4IHh4eHggeHh4eCB4eHg=?=
   =?iso-8859-1?b?eCB4eHh4IHh4eHggeHh4eCA=?=
   =?iso-8859-1?b?eHh4eCB4eHh4IHh4eHgg?=""")
          # Test the eol argument
          eq(he('xxxx ' * 20, maxlinelen=40, eol='\r\n'), """\
  =?iso-8859-1?b?eHh4eCB4eHh4IHh4eHggeHg=?=\r
   =?iso-8859-1?b?eHggeHh4eCB4eHh4IHh4eHg=?=\r
   =?iso-8859-1?b?IHh4eHggeHh4eCB4eHh4IHg=?=\r
   =?iso-8859-1?b?eHh4IHh4eHggeHh4eCB4eHg=?=\r
   =?iso-8859-1?b?eCB4eHh4IHh4eHggeHh4eCA=?=\r
   =?iso-8859-1?b?eHh4eCB4eHh4IHh4eHgg?=""")
  
  
  
  class TestQuopri(unittest.TestCase):
      def setUp(self):
          self.hlit = [chr(x) for x in range(ord('a'), ord('z')+1)] + \
                      [chr(x) for x in range(ord('A'), ord('Z')+1)] + \
                      [chr(x) for x in range(ord('0'), ord('9')+1)] + \
                      ['!', '*', '+', '-', '/', ' ']
          self.hnon = [chr(x) for x in range(256) if chr(x) not in self.hlit]
          assert len(self.hlit) + len(self.hnon) == 256
          self.blit = [chr(x) for x in range(ord(' '), ord('~')+1)] + ['\t']
          self.blit.remove('=')
          self.bnon = [chr(x) for x in range(256) if chr(x) not in self.blit]
          assert len(self.blit) + len(self.bnon) == 256
  
      def test_header_quopri_check(self):
          for c in self.hlit:
              self.failIf(quopriMIME.header_quopri_check(c))
          for c in self.hnon:
              self.failUnless(quopriMIME.header_quopri_check(c))
  
      def test_body_quopri_check(self):
          for c in self.blit:
              self.failIf(quopriMIME.body_quopri_check(c))
          for c in self.bnon:
              self.failUnless(quopriMIME.body_quopri_check(c))
  
      def test_header_quopri_len(self):
          eq = self.assertEqual
          hql = quopriMIME.header_quopri_len
          enc = quopriMIME.header_encode
          for s in ('hello', 'h@e@l@l@o@'):
              # Empty charset and no line-endings.  7 == RFC chrome
              eq(hql(s), len(enc(s, charset='', eol=''))-7)
          for c in self.hlit:
              eq(hql(c), 1)
          for c in self.hnon:
              eq(hql(c), 3)
  
      def test_body_quopri_len(self):
          eq = self.assertEqual
          bql = quopriMIME.body_quopri_len
          for c in self.blit:
              eq(bql(c), 1)
          for c in self.bnon:
              eq(bql(c), 3)
  
      def test_quote_unquote_idempotent(self):
          for x in range(256):
              c = chr(x)
              self.assertEqual(quopriMIME.unquote(quopriMIME.quote(c)), c)
  
      def test_header_encode(self):
          eq = self.assertEqual
          he = quopriMIME.header_encode
          eq(he('hello'), '=?iso-8859-1?q?hello?=')
          eq(he('hello\nworld'), '=?iso-8859-1?q?hello=0D=0Aworld?=')
          # Test the charset option
          eq(he('hello', charset='iso-8859-2'), '=?iso-8859-2?q?hello?=')
          # Test the keep_eols flag
          eq(he('hello\nworld', keep_eols=True), '=?iso-8859-1?q?hello=0Aworld?=')
          # Test a non-ASCII character
          eq(he('hello\xc7there'), '=?iso-8859-1?q?hello=C7there?=')
          # Test the maxlinelen argument
          eq(he('xxxx ' * 20, maxlinelen=40), """\
  =?iso-8859-1?q?xxxx_xxxx_xxxx_xxxx_xx?=
   =?iso-8859-1?q?xx_xxxx_xxxx_xxxx_xxxx?=
   =?iso-8859-1?q?_xxxx_xxxx_xxxx_xxxx_x?=
   =?iso-8859-1?q?xxx_xxxx_xxxx_xxxx_xxx?=
   =?iso-8859-1?q?x_xxxx_xxxx_?=""")
          # Test the eol argument
          eq(he('xxxx ' * 20, maxlinelen=40, eol='\r\n'), """\
  =?iso-8859-1?q?xxxx_xxxx_xxxx_xxxx_xx?=\r
   =?iso-8859-1?q?xx_xxxx_xxxx_xxxx_xxxx?=\r
   =?iso-8859-1?q?_xxxx_xxxx_xxxx_xxxx_x?=\r
   =?iso-8859-1?q?xxx_xxxx_xxxx_xxxx_xxx?=\r
   =?iso-8859-1?q?x_xxxx_xxxx_?=""")
  
      def test_decode(self):
          eq = self.assertEqual
          eq(quopriMIME.decode(''), '')
          eq(quopriMIME.decode('hello'), 'hello')
          eq(quopriMIME.decode('hello', 'X'), 'hello')
          eq(quopriMIME.decode('hello\nworld', 'X'), 'helloXworld')
  
      def test_encode(self):
          eq = self.assertEqual
          eq(quopriMIME.encode(''), '')
          eq(quopriMIME.encode('hello'), 'hello')
          # Test the binary flag
          eq(quopriMIME.encode('hello\r\nworld'), 'hello\nworld')
          eq(quopriMIME.encode('hello\r\nworld', 0), 'hello\nworld')
          # Test the maxlinelen arg
          eq(quopriMIME.encode('xxxx ' * 20, maxlinelen=40), """\
  xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx=
   xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxx=
  x xxxx xxxx xxxx xxxx=20""")
          # Test the eol argument
          eq(quopriMIME.encode('xxxx ' * 20, maxlinelen=40, eol='\r\n'), """\
  xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx=\r
   xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxx=\r
  x xxxx xxxx xxxx xxxx=20""")
          eq(quopriMIME.encode("""\
  one line
  
  two line"""), """\
  one line
  
  two line""")
  
  
  
  # Test the Charset class
  class TestCharset(unittest.TestCase):
      def tearDown(self):
          from email import Charset as CharsetModule
          try:
              del CharsetModule.CHARSETS['fake']
          except KeyError:
              pass
  
      def test_idempotent(self):
          eq = self.assertEqual
          # Make sure us-ascii = no Unicode conversion
          c = Charset('us-ascii')
          s = 'Hello World!'
          sp = c.to_splittable(s)
          eq(s, c.from_splittable(sp))
          # test 8-bit idempotency with us-ascii
          s = '\xa4\xa2\xa4\xa4\xa4\xa6\xa4\xa8\xa4\xaa'
          sp = c.to_splittable(s)
          eq(s, c.from_splittable(sp))
  
      def test_body_encode(self):
          eq = self.assertEqual
          # Try a charset with QP body encoding
          c = Charset('iso-8859-1')
          eq('hello w=F6rld', c.body_encode('hello w\xf6rld'))
          # Try a charset with Base64 body encoding
          c = Charset('utf-8')
          eq('aGVsbG8gd29ybGQ=\n', c.body_encode('hello world'))
          # Try a charset with None body encoding
          c = Charset('us-ascii')
          eq('hello world', c.body_encode('hello world'))
          # Try the convert argument, where input codec <> output codec
          c = Charset('euc-jp')
          # With apologies to Tokio Kikuchi ;)
          try:
              eq('\x1b$B5FCO;~IW\x1b(B',
                 c.body_encode('\xb5\xc6\xc3\xcf\xbb\xfe\xc9\xd7'))
              eq('\xb5\xc6\xc3\xcf\xbb\xfe\xc9\xd7',
                 c.body_encode('\xb5\xc6\xc3\xcf\xbb\xfe\xc9\xd7', False))
          except LookupError:
              # We probably don't have the Japanese codecs installed
              pass
          # Testing SF bug #625509, which we have to fake, since there are no
          # built-in encodings where the header encoding is QP but the body
          # encoding is not.
          from email import Charset as CharsetModule
          CharsetModule.add_charset('fake', CharsetModule.QP, None)
          c = Charset('fake')
          eq('hello w\xf6rld', c.body_encode('hello w\xf6rld'))
  
      def test_unicode_charset_name(self):
          charset = Charset(u'us-ascii')
          self.assertEqual(str(charset), 'us-ascii')
          self.assertRaises(Errors.CharsetError, Charset, 'asc\xffii')
  
  
  
  # Test multilingual MIME headers.
  class TestHeader(TestEmailBase):
      def test_simple(self):
          eq = self.ndiffAssertEqual
          h = Header('Hello World!')
          eq(h.encode(), 'Hello World!')
          h.append(' Goodbye World!')
          eq(h.encode(), 'Hello World!  Goodbye World!')
  
      def test_simple_surprise(self):
          eq = self.ndiffAssertEqual
          h = Header('Hello World!')
          eq(h.encode(), 'Hello World!')
          h.append('Goodbye World!')
          eq(h.encode(), 'Hello World! Goodbye World!')
  
      def test_header_needs_no_decoding(self):
          h = 'no decoding needed'
          self.assertEqual(decode_header(h), [(h, None)])
  
      def test_long(self):
          h = Header("I am the very model of a modern Major-General; I've information vegetable, animal, and mineral; I know the kings of England, and I quote the fights historical from Marathon to Waterloo, in order categorical; I'm very well acquainted, too, with matters mathematical; I understand equations, both the simple and quadratical; about binomial theorem I'm teeming with a lot o' news, with many cheerful facts about the square of the hypotenuse.",
                     maxlinelen=76)
          for l in h.encode(splitchars=' ').split('\n '):
              self.failUnless(len(l) <= 76)
  
      def test_multilingual(self):
          eq = self.ndiffAssertEqual
          g = Charset("iso-8859-1")
          cz = Charset("iso-8859-2")
          utf8 = Charset("utf-8")
          g_head = "Die Mieter treten hier ein werden mit einem Foerderband komfortabel den Korridor entlang, an s\xfcdl\xfcndischen Wandgem\xe4lden vorbei, gegen die rotierenden Klingen bef\xf6rdert. "
          cz_head = "Finan\xe8ni metropole se hroutily pod tlakem jejich d\xf9vtipu.. "
          utf8_head = u"\u6b63\u78ba\u306b\u8a00\u3046\u3068\u7ffb\u8a33\u306f\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u4e00\u90e8\u306f\u30c9\u30a4\u30c4\u8a9e\u3067\u3059\u304c\u3001\u3042\u3068\u306f\u3067\u305f\u3089\u3081\u3067\u3059\u3002\u5b9f\u969b\u306b\u306f\u300cWenn ist das Nunstuck git und Slotermeyer? Ja! Beiherhund das Oder die Flipperwaldt gersput.\u300d\u3068\u8a00\u3063\u3066\u3044\u307e\u3059\u3002".encode("utf-8")
          h = Header(g_head, g)
          h.append(cz_head, cz)
          h.append(utf8_head, utf8)
          enc = h.encode()
          eq(enc, """\
  =?iso-8859-1?q?Die_Mieter_treten_hier_ein_werden_mit_einem_Foerderband_ko?=
   =?iso-8859-1?q?mfortabel_den_Korridor_entlang=2C_an_s=FCdl=FCndischen_Wan?=
   =?iso-8859-1?q?dgem=E4lden_vorbei=2C_gegen_die_rotierenden_Klingen_bef=F6?=
   =?iso-8859-1?q?rdert=2E_?= =?iso-8859-2?q?Finan=E8ni_metropole_se_hroutily?=
   =?iso-8859-2?q?_pod_tlakem_jejich_d=F9vtipu=2E=2E_?= =?utf-8?b?5q2j56K6?=
   =?utf-8?b?44Gr6KiA44GG44Go57+76Kiz44Gv44GV44KM44Gm44GE44G+44Gb44KT44CC?=
   =?utf-8?b?5LiA6YOo44Gv44OJ44Kk44OE6Kqe44Gn44GZ44GM44CB44GC44Go44Gv44Gn?=
   =?utf-8?b?44Gf44KJ44KB44Gn44GZ44CC5a6f6Zqb44Gr44Gv44CMV2VubiBpc3QgZGFz?=
   =?utf-8?q?_Nunstuck_git_und_Slotermeyer=3F_Ja!_Beiherhund_das_Oder_die_Fl?=
   =?utf-8?b?aXBwZXJ3YWxkdCBnZXJzcHV0LuOAjeOBqOiogOOBo+OBpuOBhOOBvuOBmQ==?=
   =?utf-8?b?44CC?=""")
          eq(decode_header(enc),
             [(g_head, "iso-8859-1"), (cz_head, "iso-8859-2"),
              (utf8_head, "utf-8")])
          ustr = unicode(h)
          eq(ustr.encode('utf-8'),
             'Die Mieter treten hier ein werden mit einem Foerderband '
             'komfortabel den Korridor entlang, an s\xc3\xbcdl\xc3\xbcndischen '
             'Wandgem\xc3\xa4lden vorbei, gegen die rotierenden Klingen '
             'bef\xc3\xb6rdert. Finan\xc4\x8dni metropole se hroutily pod '
             'tlakem jejich d\xc5\xafvtipu.. \xe6\xad\xa3\xe7\xa2\xba\xe3\x81'
             '\xab\xe8\xa8\x80\xe3\x81\x86\xe3\x81\xa8\xe7\xbf\xbb\xe8\xa8\xb3'
             '\xe3\x81\xaf\xe3\x81\x95\xe3\x82\x8c\xe3\x81\xa6\xe3\x81\x84\xe3'
             '\x81\xbe\xe3\x81\x9b\xe3\x82\x93\xe3\x80\x82\xe4\xb8\x80\xe9\x83'
             '\xa8\xe3\x81\xaf\xe3\x83\x89\xe3\x82\xa4\xe3\x83\x84\xe8\xaa\x9e'
             '\xe3\x81\xa7\xe3\x81\x99\xe3\x81\x8c\xe3\x80\x81\xe3\x81\x82\xe3'
             '\x81\xa8\xe3\x81\xaf\xe3\x81\xa7\xe3\x81\x9f\xe3\x82\x89\xe3\x82'
             '\x81\xe3\x81\xa7\xe3\x81\x99\xe3\x80\x82\xe5\xae\x9f\xe9\x9a\x9b'
             '\xe3\x81\xab\xe3\x81\xaf\xe3\x80\x8cWenn ist das Nunstuck git '
             'und Slotermeyer? Ja! Beiherhund das Oder die Flipperwaldt '
             'gersput.\xe3\x80\x8d\xe3\x81\xa8\xe8\xa8\x80\xe3\x81\xa3\xe3\x81'
             '\xa6\xe3\x81\x84\xe3\x81\xbe\xe3\x81\x99\xe3\x80\x82')
          # Test make_header()
          newh = make_header(decode_header(enc))
          eq(newh, enc)
  
      def test_header_ctor_default_args(self):
          eq = self.ndiffAssertEqual
          h = Header()
          eq(h, '')
          h.append('foo', Charset('iso-8859-1'))
          eq(h, '=?iso-8859-1?q?foo?=')
  
      def test_explicit_maxlinelen(self):
          eq = self.ndiffAssertEqual
          hstr = 'A very long line that must get split to something other than at the 76th character boundary to test the non-default behavior'
          h = Header(hstr)
          eq(h.encode(), '''\
  A very long line that must get split to something other than at the 76th
   character boundary to test the non-default behavior''')
          h = Header(hstr, header_name='Subject')
          eq(h.encode(), '''\
  A very long line that must get split to something other than at the
   76th character boundary to test the non-default behavior''')
          h = Header(hstr, maxlinelen=1024, header_name='Subject')
          eq(h.encode(), hstr)
  
      def test_us_ascii_header(self):
          eq = self.assertEqual
          s = 'hello'
          x = decode_header(s)
          eq(x, [('hello', None)])
          h = make_header(x)
          eq(s, h.encode())
  
      def test_string_charset(self):
          eq = self.assertEqual
          h = Header()
          h.append('hello', 'iso-8859-1')
          eq(h, '=?iso-8859-1?q?hello?=')
  
  ##    def test_unicode_error(self):
  ##        raises = self.assertRaises
  ##        raises(UnicodeError, Header, u'[P\xf6stal]', 'us-ascii')
  ##        raises(UnicodeError, Header, '[P\xf6stal]', 'us-ascii')
  ##        h = Header()
  ##        raises(UnicodeError, h.append, u'[P\xf6stal]', 'us-ascii')
  ##        raises(UnicodeError, h.append, '[P\xf6stal]', 'us-ascii')
  ##        raises(UnicodeError, Header, u'\u83ca\u5730\u6642\u592b', 'iso-8859-1')
  
      def test_utf8_shortest(self):
          eq = self.assertEqual
          h = Header(u'p\xf6stal', 'utf-8')
          eq(h.encode(), '=?utf-8?q?p=C3=B6stal?=')
          h = Header(u'\u83ca\u5730\u6642\u592b', 'utf-8')
          eq(h.encode(), '=?utf-8?b?6I+K5Zyw5pmC5aSr?=')
  
      def test_bad_8bit_header(self):
          raises = self.assertRaises
          eq = self.assertEqual
          x = 'Ynwp4dUEbay Auction Semiar- No Charge \x96 Earn Big'
          raises(UnicodeError, Header, x)
          h = Header()
          raises(UnicodeError, h.append, x)
          eq(str(Header(x, errors='replace')), x)
          h.append(x, errors='replace')
          eq(str(h), x)
  
      def test_encoded_adjacent_nonencoded(self):
          eq = self.assertEqual
          h = Header()
          h.append('hello', 'iso-8859-1')
          h.append('world')
          s = h.encode()
          eq(s, '=?iso-8859-1?q?hello?= world')
          h = make_header(decode_header(s))
          eq(h.encode(), s)
  
      def test_whitespace_eater(self):
          eq = self.assertEqual
          s = 'Subject: =?koi8-r?b?8NLP18XSy8EgzsEgxsnOwczYztk=?= =?koi8-r?q?=CA?= zz.'
          parts = decode_header(s)
          eq(parts, [('Subject:', None), ('\xf0\xd2\xcf\xd7\xc5\xd2\xcb\xc1 \xce\xc1 \xc6\xc9\xce\xc1\xcc\xd8\xce\xd9\xca', 'koi8-r'), ('zz.', None)])
          hdr = make_header(parts)
          eq(hdr.encode(),
             'Subject: =?koi8-r?b?8NLP18XSy8EgzsEgxsnOwczYztnK?= zz.')
  
      def test_broken_base64_header(self):
          raises = self.assertRaises
          s = 'Subject: =?EUC-KR?B?CSixpLDtKSC/7Liuvsax4iC6uLmwMcijIKHaILzSwd/H0SC8+LCjwLsgv7W/+Mj3IQ?='
          raises(Errors.HeaderParseError, decode_header, s)
  
  
  
  # Test RFC 2231 header parameters (en/de)coding
  class TestRFC2231(TestEmailBase):
      def test_get_param(self):
          eq = self.assertEqual
          msg = self._msgobj('msg_29.txt')
          eq(msg.get_param('title'),
             ('us-ascii', 'en', 'This is even more ***fun*** isn\'t it!'))
          eq(msg.get_param('title', unquote=False),
             ('us-ascii', 'en', '"This is even more ***fun*** isn\'t it!"'))
  
      def test_set_param(self):
          eq = self.assertEqual
          msg = Message()
          msg.set_param('title', 'This is even more ***fun*** isn\'t it!',
                        charset='us-ascii')
          eq(msg.get_param('title'),
             ('us-ascii', '', 'This is even more ***fun*** isn\'t it!'))
          msg.set_param('title', 'This is even more ***fun*** isn\'t it!',
                        charset='us-ascii', language='en')
          eq(msg.get_param('title'),
             ('us-ascii', 'en', 'This is even more ***fun*** isn\'t it!'))
          msg = self._msgobj('msg_01.txt')
          msg.set_param('title', 'This is even more ***fun*** isn\'t it!',
                        charset='us-ascii', language='en')
          eq(msg.as_string(), """\
  Return-Path: <bbb@zzz.org>
  Delivered-To: bbb@zzz.org
  Received: by mail.zzz.org (Postfix, from userid 889)
  \tid 27CEAD38CC; Fri,  4 May 2001 14:05:44 -0400 (EDT)
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  Message-ID: <15090.61304.110929.45684@aaa.zzz.org>
  From: bbb@ddd.com (John X. Doe)
  To: bbb@zzz.org
  Subject: This is a test message
  Date: Fri, 4 May 2001 14:05:44 -0400
  Content-Type: text/plain; charset=us-ascii;
  \ttitle*="us-ascii'en'This%20is%20even%20more%20%2A%2A%2Afun%2A%2A%2A%20isn%27t%20it%21"
  
  
  Hi,
  
  Do you like this message?
  
  -Me
  """)
  
      def test_del_param(self):
          eq = self.ndiffAssertEqual
          msg = self._msgobj('msg_01.txt')
          msg.set_param('foo', 'bar', charset='us-ascii', language='en')
          msg.set_param('title', 'This is even more ***fun*** isn\'t it!',
              charset='us-ascii', language='en')
          msg.del_param('foo', header='Content-Type')
          eq(msg.as_string(), """\
  Return-Path: <bbb@zzz.org>
  Delivered-To: bbb@zzz.org
  Received: by mail.zzz.org (Postfix, from userid 889)
  \tid 27CEAD38CC; Fri,  4 May 2001 14:05:44 -0400 (EDT)
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  Message-ID: <15090.61304.110929.45684@aaa.zzz.org>
  From: bbb@ddd.com (John X. Doe)
  To: bbb@zzz.org
  Subject: This is a test message
  Date: Fri, 4 May 2001 14:05:44 -0400
  Content-Type: text/plain; charset="us-ascii";
  \ttitle*="us-ascii'en'This%20is%20even%20more%20%2A%2A%2Afun%2A%2A%2A%20isn%27t%20it%21"
  
  
  Hi,
  
  Do you like this message?
  
  -Me
  """)
  
      def test_rfc2231_get_content_charset(self):
          eq = self.assertEqual
          msg = self._msgobj('msg_32.txt')
          eq(msg.get_content_charset(), 'us-ascii')
  
      def test_rfc2231_no_language_or_charset(self):
          m = '''\
  Content-Transfer-Encoding: 8bit
  Content-Disposition: inline; filename="file____C__DOCUMENTS_20AND_20SETTINGS_FABIEN_LOCAL_20SETTINGS_TEMP_nsmail.htm"
  Content-Type: text/html; NAME*0=file____C__DOCUMENTS_20AND_20SETTINGS_FABIEN_LOCAL_20SETTINGS_TEM; NAME*1=P_nsmail.htm
  
  '''
          msg = email.message_from_string(m)
          param = msg.get_param('NAME')
          self.failIf(isinstance(param, tuple))
          self.assertEqual(
              param,
              'file____C__DOCUMENTS_20AND_20SETTINGS_FABIEN_LOCAL_20SETTINGS_TEMP_nsmail.htm')
  
      def test_rfc2231_no_language_or_charset_in_filename(self):
          m = '''\
  Content-Disposition: inline;
  \tfilename*0*="''This%20is%20even%20more%20";
  \tfilename*1*="%2A%2A%2Afun%2A%2A%2A%20";
  \tfilename*2="is it not.pdf"
  
  '''
          msg = email.message_from_string(m)
          self.assertEqual(msg.get_filename(),
                           'This is even more ***fun*** is it not.pdf')
  
      def test_rfc2231_no_language_or_charset_in_filename_encoded(self):
          m = '''\
  Content-Disposition: inline;
  \tfilename*0*="''This%20is%20even%20more%20";
  \tfilename*1*="%2A%2A%2Afun%2A%2A%2A%20";
  \tfilename*2="is it not.pdf"
  
  '''
          msg = email.message_from_string(m)
          self.assertEqual(msg.get_filename(),
                           'This is even more ***fun*** is it not.pdf')
  
      def test_rfc2231_partly_encoded(self):
          m = '''\
  Content-Disposition: inline;
  \tfilename*0="''This%20is%20even%20more%20";
  \tfilename*1*="%2A%2A%2Afun%2A%2A%2A%20";
  \tfilename*2="is it not.pdf"
  
  '''
          msg = email.message_from_string(m)
          self.assertEqual(
              msg.get_filename(),
              'This%20is%20even%20more%20***fun*** is it not.pdf')
  
      def test_rfc2231_partly_nonencoded(self):
          m = '''\
  Content-Disposition: inline;
  \tfilename*0="This%20is%20even%20more%20";
  \tfilename*1="%2A%2A%2Afun%2A%2A%2A%20";
  \tfilename*2="is it not.pdf"
  
  '''
          msg = email.message_from_string(m)
          self.assertEqual(
              msg.get_filename(),
              'This%20is%20even%20more%20%2A%2A%2Afun%2A%2A%2A%20is it not.pdf')
  
      def test_rfc2231_no_language_or_charset_in_boundary(self):
          m = '''\
  Content-Type: multipart/alternative;
  \tboundary*0*="''This%20is%20even%20more%20";
  \tboundary*1*="%2A%2A%2Afun%2A%2A%2A%20";
  \tboundary*2="is it not.pdf"
  
  '''
          msg = email.message_from_string(m)
          self.assertEqual(msg.get_boundary(),
                           'This is even more ***fun*** is it not.pdf')
  
      def test_rfc2231_no_language_or_charset_in_charset(self):
          # This is a nonsensical charset value, but tests the code anyway
          m = '''\
  Content-Type: text/plain;
  \tcharset*0*="This%20is%20even%20more%20";
  \tcharset*1*="%2A%2A%2Afun%2A%2A%2A%20";
  \tcharset*2="is it not.pdf"
  
  '''
          msg = email.message_from_string(m)
          self.assertEqual(msg.get_content_charset(),
                           'this is even more ***fun*** is it not.pdf')
  
      def test_rfc2231_bad_encoding_in_filename(self):
          m = '''\
  Content-Disposition: inline;
  \tfilename*0*="bogus'xx'This%20is%20even%20more%20";
  \tfilename*1*="%2A%2A%2Afun%2A%2A%2A%20";
  \tfilename*2="is it not.pdf"
  
  '''
          msg = email.message_from_string(m)
          self.assertEqual(msg.get_filename(),
                           'This is even more ***fun*** is it not.pdf')
  
      def test_rfc2231_bad_encoding_in_charset(self):
          m = """\
  Content-Type: text/plain; charset*=bogus''utf-8%E2%80%9D
  
  """
          msg = email.message_from_string(m)
          # This should return None because non-ascii characters in the charset
          # are not allowed.
          self.assertEqual(msg.get_content_charset(), None)
  
      def test_rfc2231_bad_character_in_charset(self):
          m = """\
  Content-Type: text/plain; charset*=ascii''utf-8%E2%80%9D
  
  """
          msg = email.message_from_string(m)
          # This should return None because non-ascii characters in the charset
          # are not allowed.
          self.assertEqual(msg.get_content_charset(), None)
  
      def test_rfc2231_bad_character_in_filename(self):
          m = '''\
  Content-Disposition: inline;
  \tfilename*0*="ascii'xx'This%20is%20even%20more%20";
  \tfilename*1*="%2A%2A%2Afun%2A%2A%2A%20";
  \tfilename*2*="is it not.pdf%E2"
  
  '''
          msg = email.message_from_string(m)
          self.assertEqual(msg.get_filename(),
                           u'This is even more ***fun*** is it not.pdf\ufffd')
  
      def test_rfc2231_unknown_encoding(self):
          m = """\
  Content-Transfer-Encoding: 8bit
  Content-Disposition: inline; filename*=X-UNKNOWN''myfile.txt
  
  """
          msg = email.message_from_string(m)
          self.assertEqual(msg.get_filename(), 'myfile.txt')
  
      def test_rfc2231_single_tick_in_filename_extended(self):
          eq = self.assertEqual
          m = """\
  Content-Type: application/x-foo;
  \tname*0*=\"Frank's\"; name*1*=\" Document\"
  
  """
          msg = email.message_from_string(m)
          charset, language, s = msg.get_param('name')
          eq(charset, None)
          eq(language, None)
          eq(s, "Frank's Document")
  
      def test_rfc2231_single_tick_in_filename(self):
          m = """\
  Content-Type: application/x-foo; name*0=\"Frank's\"; name*1=\" Document\"
  
  """
          msg = email.message_from_string(m)
          param = msg.get_param('name')
          self.failIf(isinstance(param, tuple))
          self.assertEqual(param, "Frank's Document")
  
      def test_rfc2231_tick_attack_extended(self):
          eq = self.assertEqual
          m = """\
  Content-Type: application/x-foo;
  \tname*0*=\"us-ascii'en-us'Frank's\"; name*1*=\" Document\"
  
  """
          msg = email.message_from_string(m)
          charset, language, s = msg.get_param('name')
          eq(charset, 'us-ascii')
          eq(language, 'en-us')
          eq(s, "Frank's Document")
  
      def test_rfc2231_tick_attack(self):
          m = """\
  Content-Type: application/x-foo;
  \tname*0=\"us-ascii'en-us'Frank's\"; name*1=\" Document\"
  
  """
          msg = email.message_from_string(m)
          param = msg.get_param('name')
          self.failIf(isinstance(param, tuple))
          self.assertEqual(param, "us-ascii'en-us'Frank's Document")
  
      def test_rfc2231_no_extended_values(self):
          eq = self.assertEqual
          m = """\
  Content-Type: application/x-foo; name=\"Frank's Document\"
  
  """
          msg = email.message_from_string(m)
          eq(msg.get_param('name'), "Frank's Document")
  
      def test_rfc2231_encoded_then_unencoded_segments(self):
          eq = self.assertEqual
          m = """\
  Content-Type: application/x-foo;
  \tname*0*=\"us-ascii'en-us'My\";
  \tname*1=\" Document\";
  \tname*2*=\" For You\"
  
  """
          msg = email.message_from_string(m)
          charset, language, s = msg.get_param('name')
          eq(charset, 'us-ascii')
          eq(language, 'en-us')
          eq(s, 'My Document For You')
  
      def test_rfc2231_unencoded_then_encoded_segments(self):
          eq = self.assertEqual
          m = """\
  Content-Type: application/x-foo;
  \tname*0=\"us-ascii'en-us'My\";
  \tname*1*=\" Document\";
  \tname*2*=\" For You\"
  
  """
          msg = email.message_from_string(m)
          charset, language, s = msg.get_param('name')
          eq(charset, 'us-ascii')
          eq(language, 'en-us')
          eq(s, 'My Document For You')
  
  
  
  def _testclasses():
      mod = sys.modules[__name__]
      return [getattr(mod, name) for name in dir(mod) if name.startswith('Test')]
  
  
  def suite():
      suite = unittest.TestSuite()
      for testclass in _testclasses():
          suite.addTest(unittest.makeSuite(testclass))
      return suite
  
  
  def test_main():
      for testclass in _testclasses():
          run_unittest(testclass)
  
  
  
  if __name__ == '__main__':
      unittest.main(defaultTest='suite')
  