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Viewing changes to bzrlib/tests/test_email_message.py

  • Committer: John Arbash Meinel
  • Date: 2007-07-20 14:28:59 UTC
  • mfrom: (2625.6.3 bzr.email_message)
  • mto: This revision was merged to the branch mainline in revision 2640.
  • Revision ID: john@arbash-meinel.com-20070720142859-a24s0khul0yw91bh
(Adeodato Simó) EmailMessage class, allowing much nicer access to Email object than stdlib

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# Copyright (C) 2007 Canonical Ltd
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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from email.Header import decode_header
 
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from bzrlib import __version__ as _bzrlib_version
 
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from bzrlib.email_message import EmailMessage
 
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from bzrlib.errors import BzrBadParameterNotUnicode
 
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from bzrlib.smtp_connection import SMTPConnection
 
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from bzrlib.tests import TestCase
 
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EMPTY_MESSAGE = '''\
 
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From: from@from.com
 
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Subject: subject
 
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To: to@to.com
 
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User-Agent: Bazaar (%s)
 
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''' % _bzrlib_version
 
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_SIMPLE_MESSAGE = '''\
 
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MIME-Version: 1.0
 
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Content-Type: text/plain; charset="%%s"
 
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Content-Transfer-Encoding: %%s
 
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From: from@from.com
 
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Subject: subject
 
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To: to@to.com
 
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User-Agent: Bazaar (%s)
 
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%%s''' % _bzrlib_version
 
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SIMPLE_MESSAGE_ASCII = _SIMPLE_MESSAGE % ('us-ascii', '7bit', 'body')
 
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SIMPLE_MESSAGE_UTF8 = _SIMPLE_MESSAGE % ('utf-8', 'base64', 'YsOzZHk=\n')
 
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SIMPLE_MESSAGE_8BIT = _SIMPLE_MESSAGE % ('8-bit', 'base64', 'YvNkeQ==\n')
 
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BOUNDARY = '=====123456=='
 
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_MULTIPART_HEAD = '''\
 
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Content-Type: multipart/mixed; boundary="%(boundary)s"
 
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MIME-Version: 1.0
 
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From: from@from.com
 
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Subject: subject
 
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To: to@to.com
 
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User-Agent: Bazaar (%(version)s)
 
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--%(boundary)s
 
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MIME-Version: 1.0
 
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Content-Type: text/plain; charset="us-ascii"
 
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Content-Transfer-Encoding: 7bit
 
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Content-Disposition: inline
 
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body
 
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''' %  { 'version': _bzrlib_version, 'boundary': BOUNDARY }
 
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SIMPLE_MULTIPART_MESSAGE = _MULTIPART_HEAD + '--%s--' % BOUNDARY
 
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COMPLEX_MULTIPART_MESSAGE = _MULTIPART_HEAD + '''\
 
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--%(boundary)s
 
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MIME-Version: 1.0
 
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Content-Type: text/%%s; charset="us-ascii"; name="lines.txt"
 
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Content-Transfer-Encoding: 7bit
 
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Content-Disposition: inline
 
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a
 
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b
 
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c
 
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d
 
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e
 
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--%(boundary)s--''' %  { 'boundary': BOUNDARY }
 
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class TestEmailMessage(TestCase):
 
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    def test_empty_message(self):
 
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        msg = EmailMessage('from@from.com', 'to@to.com', 'subject')
 
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        self.assertEqualDiff(EMPTY_MESSAGE , msg.as_string())
 
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    def test_simple_message(self):
 
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        pairs = {
 
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            'body': SIMPLE_MESSAGE_ASCII,
 
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            u'b\xf3dy': SIMPLE_MESSAGE_UTF8,
 
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            'b\xc3\xb3dy': SIMPLE_MESSAGE_UTF8,
 
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            'b\xf3dy': SIMPLE_MESSAGE_8BIT,
 
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        }
 
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        for body, expected in pairs.items():
 
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            msg = EmailMessage('from@from.com', 'to@to.com', 'subject', body)
 
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            self.assertEqualDiff(expected, msg.as_string())
 
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    def test_multipart_message(self):
 
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        msg = EmailMessage('from@from.com', 'to@to.com', 'subject')
 
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        msg.add_inline_attachment('body')
 
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        self.assertEqualDiff(SIMPLE_MULTIPART_MESSAGE, msg.as_string(BOUNDARY))
 
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        msg = EmailMessage('from@from.com', 'to@to.com', 'subject', 'body')
 
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        msg.add_inline_attachment(u'a\nb\nc\nd\ne\n', 'lines.txt', 'x-subtype')
 
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        self.assertEqualDiff(COMPLEX_MULTIPART_MESSAGE % 'x-subtype',
 
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                msg.as_string(BOUNDARY))
 
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    def test_headers_accept_unicode_and_utf8(self):
 
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        for user in [ u'Pepe P\xe9rez <pperez@ejemplo.com>',
 
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                'Pepe P\xc3\xa9red <pperez@ejemplo.com>' ]:
 
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            msg = EmailMessage(user, user, user) # no exception raised
 
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            for header in ['From', 'To', 'Subject']:
 
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                value = msg[header]
 
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                str(value).decode('ascii') # no UnicodeDecodeError
 
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    def test_headers_reject_8bit(self):
 
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        for i in range(3): # from_address, to_address, subject
 
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            x = [ '"J. Random Developer" <jrandom@example.com>' ] * 3
 
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            x[i] = 'Pepe P\xe9rez <pperez@ejemplo.com>'
 
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            self.assertRaises(BzrBadParameterNotUnicode, EmailMessage, *x)
 
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    def test_multiple_destinations(self):
 
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        to_addresses = [ 'to1@to.com', 'to2@to.com', 'to3@to.com' ]
 
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        msg = EmailMessage('from@from.com', to_addresses, 'subject')
 
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        self.assertContainsRe(msg.as_string(), 'To: ' +
 
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                ', '.join(to_addresses)) # re.M can't be passed, so no ^$
 
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    def test_retrieving_headers(self):
 
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        msg = EmailMessage('from@from.com', 'to@to.com', 'subject')
 
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        for header, value in [('From', 'from@from.com'), ('To', 'to@to.com'),
 
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                ('Subject', 'subject')]:
 
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            self.assertEqual(value, msg.get(header))
 
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            self.assertEqual(value, msg[header])
 
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        self.assertEqual(None, msg.get('Does-Not-Exist'))
 
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        self.assertEqual(None, msg['Does-Not-Exist'])
 
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        self.assertEqual('None', msg.get('Does-Not-Exist', 'None'))
 
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    def test_setting_headers(self):
 
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        msg = EmailMessage('from@from.com', 'to@to.com', 'subject')
 
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        msg['To'] = 'to2@to.com'
 
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        msg['Cc'] = 'cc@cc.com'
 
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        self.assertEqual('to2@to.com', msg['To'])
 
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        self.assertEqual('cc@cc.com', msg['Cc'])
 
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    def test_send(self):
 
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        class FakeConfig:
 
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            def get_user_option(self, option):
 
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                return None
 
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        messages = []
 
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        def send_as_append(_self, msg):
 
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            messages.append(msg.as_string(BOUNDARY))
 
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        old_send_email = SMTPConnection.send_email
 
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        try:
 
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            SMTPConnection.send_email = send_as_append
 
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            EmailMessage.send(FakeConfig(), 'from@from.com', 'to@to.com',
 
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                    'subject', 'body', u'a\nb\nc\nd\ne\n', 'lines.txt')
 
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            self.assertEqualDiff(COMPLEX_MULTIPART_MESSAGE % 'plain',
 
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                    messages[0])
 
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            messages[:] = []
 
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            EmailMessage.send(FakeConfig(), 'from@from.com', 'to@to.com',
 
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                    'subject', 'body', u'a\nb\nc\nd\ne\n', 'lines.txt',
 
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                    'x-patch')
 
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            self.assertEqualDiff(COMPLEX_MULTIPART_MESSAGE % 'x-patch',
 
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                    messages[0])
 
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            messages[:] = []
 
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            EmailMessage.send(FakeConfig(), 'from@from.com', 'to@to.com',
 
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                    'subject', 'body')
 
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            self.assertEqualDiff(SIMPLE_MESSAGE_ASCII , messages[0])
 
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            messages[:] = []
 
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        finally:
 
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            SMTPConnection.send_email = old_send_email
 
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    def test_address_to_encoded_header(self):
 
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        def decode(s):
 
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            """Convert a RFC2047-encoded string to a unicode string."""
 
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            return ' '.join([chunk.decode(encoding or 'ascii')
 
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                             for chunk, encoding in decode_header(s)])
 
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        address = 'jrandom@example.com'
 
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        encoded = EmailMessage.address_to_encoded_header(address)
 
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        self.assertEqual(address, encoded)
 
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        address = 'J Random Developer <jrandom@example.com>'
 
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        encoded = EmailMessage.address_to_encoded_header(address)
 
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        self.assertEqual(address, encoded)
 
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        address = '"J. Random Developer" <jrandom@example.com>'
 
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        encoded = EmailMessage.address_to_encoded_header(address)
 
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        self.assertEqual(address, encoded)
 
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        address = u'Pepe P\xe9rez <pperez@ejemplo.com>' # unicode ok
 
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        encoded = EmailMessage.address_to_encoded_header(address)
 
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        self.assert_('pperez@ejemplo.com' in encoded) # addr must be unencoded
 
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        self.assertEquals(address, decode(encoded))
 
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        address = 'Pepe P\xc3\xa9red <pperez@ejemplo.com>' # UTF-8 ok
 
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        encoded = EmailMessage.address_to_encoded_header(address)
 
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        self.assert_('pperez@ejemplo.com' in encoded)
 
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        self.assertEquals(address, decode(encoded).encode('utf-8'))
 
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        address = 'Pepe P\xe9rez <pperez@ejemplo.com>' # ISO-8859-1 not ok
 
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        self.assertRaises(BzrBadParameterNotUnicode,
 
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                EmailMessage.address_to_encoded_header, address)
 
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    def test_string_with_encoding(self):
 
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        pairs = {
 
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                u'Pepe':        ('Pepe', 'ascii'),
 
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                u'P\xe9rez':    ('P\xc3\xa9rez', 'utf-8'),
 
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                'Perez':         ('Perez', 'ascii'), # u'Pepe' == 'Pepe'
 
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                'P\xc3\xa9rez': ('P\xc3\xa9rez', 'utf-8'),
 
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                'P\xe9rez':     ('P\xe9rez', '8-bit'),
 
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        }
 
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        for string_, pair in pairs.items():
 
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            self.assertEqual(pair, EmailMessage.string_with_encoding(string_))