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Viewing changes to bzrlib/tests/test_smtp_connection.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-08-30 22:49:20 UTC
  • mfrom: (5397.1.6 jam-integration)
  • Revision ID: pqm@pqm.ubuntu.com-20100830224920-w9zw1vhsd5oiyljv
(vila, jam) Get PQM running correctly again (bug #626667),
        skip test_bzr_connect_to_bzr_ssh (bug #626876)

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bzrlib/tests/test_smtp_connection.py
 
1
# Copyright (C) 2007, 2009, 2010 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
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# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
from cStringIO import StringIO
 
18
from email.Message import Message
 
19
import errno
 
20
import smtplib
 
21
import socket
 
22
 
 
23
from bzrlib import (
 
24
    config,
 
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    email_message,
 
26
    errors,
 
27
    smtp_connection,
 
28
    tests,
 
29
    ui,
 
30
    )
 
31
 
 
32
 
 
33
def connection_refuser():
 
34
    def connect(server):
 
35
        raise socket.error(errno.ECONNREFUSED, 'Connection Refused')
 
36
    smtp = smtplib.SMTP()
 
37
    smtp.connect = connect
 
38
    return smtp
 
39
 
 
40
 
 
41
class StubSMTPFactory(object):
 
42
    """A fake SMTP connection to test the connection setup."""
 
43
    def __init__(self, fail_on=None, smtp_features=None):
 
44
        self._fail_on = fail_on or []
 
45
        self._calls = []
 
46
        self._smtp_features = smtp_features or []
 
47
        self._ehlo_called = False
 
48
 
 
49
    def __call__(self):
 
50
        # The factory pretends to be a connection
 
51
        return self
 
52
 
 
53
    def connect(self, server):
 
54
        self._calls.append(('connect', server))
 
55
 
 
56
    def helo(self):
 
57
        self._calls.append(('helo',))
 
58
        if 'helo' in self._fail_on:
 
59
            return 500, 'helo failure'
 
60
        else:
 
61
            return 200, 'helo success'
 
62
 
 
63
    def ehlo(self):
 
64
        self._calls.append(('ehlo',))
 
65
        if 'ehlo' in self._fail_on:
 
66
            return 500, 'ehlo failure'
 
67
        else:
 
68
            self._ehlo_called = True
 
69
            return 200, 'ehlo success'
 
70
 
 
71
    def has_extn(self, extension):
 
72
        self._calls.append(('has_extn', extension))
 
73
        return self._ehlo_called and extension in self._smtp_features
 
74
 
 
75
    def starttls(self):
 
76
        self._calls.append(('starttls',))
 
77
        if 'starttls' in self._fail_on:
 
78
            return 500, 'starttls failure'
 
79
        else:
 
80
            self._ehlo_called = True
 
81
            return 200, 'starttls success'
 
82
 
 
83
 
 
84
class WideOpenSMTPFactory(StubSMTPFactory):
 
85
    """A fake smtp server that implements login by accepting anybody."""
 
86
 
 
87
    def login(self, user, password):
 
88
        self._calls.append(('login', user, password))
 
89
 
 
90
 
 
91
class TestSMTPConnection(tests.TestCaseInTempDir):
 
92
 
 
93
    def get_connection(self, text, smtp_factory=None):
 
94
        my_config = config.GlobalConfig.from_string(text)
 
95
        return smtp_connection.SMTPConnection(my_config,
 
96
                                              _smtp_factory=smtp_factory)
 
97
 
 
98
    def test_defaults(self):
 
99
        conn = self.get_connection('')
 
100
        self.assertEqual('localhost', conn._smtp_server)
 
101
        self.assertEqual(None, conn._smtp_username)
 
102
        self.assertEqual(None, conn._smtp_password)
 
103
 
 
104
    def test_smtp_server(self):
 
105
        conn = self.get_connection('[DEFAULT]\nsmtp_server=host:10\n')
 
106
        self.assertEqual('host:10', conn._smtp_server)
 
107
 
 
108
    def test_missing_server(self):
 
109
        conn = self.get_connection('', smtp_factory=connection_refuser)
 
110
        self.assertRaises(errors.DefaultSMTPConnectionRefused, conn._connect)
 
111
        conn = self.get_connection('[DEFAULT]\nsmtp_server=smtp.example.com\n',
 
112
                                   smtp_factory=connection_refuser)
 
113
        self.assertRaises(errors.SMTPConnectionRefused, conn._connect)
 
114
 
 
115
    def test_smtp_username(self):
 
116
        conn = self.get_connection('')
 
117
        self.assertIs(None, conn._smtp_username)
 
118
 
 
119
        conn = self.get_connection('[DEFAULT]\nsmtp_username=joebody\n')
 
120
        self.assertEqual(u'joebody', conn._smtp_username)
 
121
 
 
122
    def test_smtp_password_from_config(self):
 
123
        conn = self.get_connection('')
 
124
        self.assertIs(None, conn._smtp_password)
 
125
 
 
126
        conn = self.get_connection('[DEFAULT]\nsmtp_password=mypass\n')
 
127
        self.assertEqual(u'mypass', conn._smtp_password)
 
128
 
 
129
    def test_smtp_password_from_user(self):
 
130
        user = 'joe'
 
131
        password = 'hispass'
 
132
        factory = WideOpenSMTPFactory()
 
133
        conn = self.get_connection('[DEFAULT]\nsmtp_username=%s\n' % user,
 
134
                                   smtp_factory=factory)
 
135
        self.assertIs(None, conn._smtp_password)
 
136
 
 
137
        ui.ui_factory = ui.CannedInputUIFactory([password])
 
138
        conn._connect()
 
139
        self.assertEqual(password, conn._smtp_password)
 
140
 
 
141
    def test_smtp_password_from_auth_config(self):
 
142
        user = 'joe'
 
143
        password = 'hispass'
 
144
        factory = WideOpenSMTPFactory()
 
145
        conn = self.get_connection('[DEFAULT]\nsmtp_username=%s\n' % user,
 
146
                                   smtp_factory=factory)
 
147
        self.assertEqual(user, conn._smtp_username)
 
148
        self.assertIs(None, conn._smtp_password)
 
149
        # Create a config file with the right password
 
150
        conf = config.AuthenticationConfig()
 
151
        conf._get_config().update({'smtptest':
 
152
                                       {'scheme': 'smtp', 'user':user,
 
153
                                        'password': password}})
 
154
        conf._save()
 
155
 
 
156
        conn._connect()
 
157
        self.assertEqual(password, conn._smtp_password)
 
158
 
 
159
    def test_authenticate_with_byte_strings(self):
 
160
        user = 'joe'
 
161
        unicode_pass = u'h\xECspass'
 
162
        utf8_pass = unicode_pass.encode('utf-8')
 
163
        factory = WideOpenSMTPFactory()
 
164
        conn = self.get_connection(
 
165
            u'[DEFAULT]\nsmtp_username=%s\nsmtp_password=%s\n'
 
166
            % (user, unicode_pass), smtp_factory=factory)
 
167
        self.assertEqual(unicode_pass, conn._smtp_password)
 
168
        conn._connect()
 
169
        self.assertEqual([('connect', 'localhost'),
 
170
                          ('ehlo',),
 
171
                          ('has_extn', 'starttls'),
 
172
                          ('login', user, utf8_pass)], factory._calls)
 
173
        smtp_username, smtp_password = factory._calls[-1][1:]
 
174
        self.assertIsInstance(smtp_username, str)
 
175
        self.assertIsInstance(smtp_password, str)
 
176
 
 
177
    def test_create_connection(self):
 
178
        factory = StubSMTPFactory()
 
179
        conn = self.get_connection('', smtp_factory=factory)
 
180
        conn._create_connection()
 
181
        self.assertEqual([('connect', 'localhost'),
 
182
                          ('ehlo',),
 
183
                          ('has_extn', 'starttls')], factory._calls)
 
184
 
 
185
    def test_create_connection_ehlo_fails(self):
 
186
        # Check that we call HELO if EHLO failed.
 
187
        factory = StubSMTPFactory(fail_on=['ehlo'])
 
188
        conn = self.get_connection('', smtp_factory=factory)
 
189
        conn._create_connection()
 
190
        self.assertEqual([('connect', 'localhost'),
 
191
                          ('ehlo',),
 
192
                          ('helo',),
 
193
                          ('has_extn', 'starttls')], factory._calls)
 
194
 
 
195
    def test_create_connection_ehlo_helo_fails(self):
 
196
        # Check that we raise an exception if both EHLO and HELO fail.
 
197
        factory = StubSMTPFactory(fail_on=['ehlo', 'helo'])
 
198
        conn = self.get_connection('', smtp_factory=factory)
 
199
        self.assertRaises(errors.SMTPError, conn._create_connection)
 
200
        self.assertEqual([('connect', 'localhost'),
 
201
                          ('ehlo',),
 
202
                          ('helo',)], factory._calls)
 
203
 
 
204
    def test_create_connection_starttls(self):
 
205
        # Check that STARTTLS plus a second EHLO are called if the
 
206
        # server says it supports the feature.
 
207
        factory = StubSMTPFactory(smtp_features=['starttls'])
 
208
        conn = self.get_connection('', smtp_factory=factory)
 
209
        conn._create_connection()
 
210
        self.assertEqual([('connect', 'localhost'),
 
211
                          ('ehlo',),
 
212
                          ('has_extn', 'starttls'),
 
213
                          ('starttls',),
 
214
                          ('ehlo',)], factory._calls)
 
215
 
 
216
    def test_create_connection_starttls_fails(self):
 
217
        # Check that we raise an exception if the server claims to
 
218
        # support STARTTLS, but then fails when we try to activate it.
 
219
        factory = StubSMTPFactory(fail_on=['starttls'],
 
220
                                  smtp_features=['starttls'])
 
221
        conn = self.get_connection('', smtp_factory=factory)
 
222
        self.assertRaises(errors.SMTPError, conn._create_connection)
 
223
        self.assertEqual([('connect', 'localhost'),
 
224
                          ('ehlo',),
 
225
                          ('has_extn', 'starttls'),
 
226
                          ('starttls',)], factory._calls)
 
227
 
 
228
    def test_get_message_addresses(self):
 
229
        msg = Message()
 
230
 
 
231
        from_, to = smtp_connection.SMTPConnection.get_message_addresses(msg)
 
232
        self.assertEqual('', from_)
 
233
        self.assertEqual([], to)
 
234
 
 
235
        msg['From'] = '"J. Random Developer" <jrandom@example.com>'
 
236
        msg['To'] = 'John Doe <john@doe.com>, Jane Doe <jane@doe.com>'
 
237
        msg['CC'] = u'Pepe P\xe9rez <pperez@ejemplo.com>'
 
238
        msg['Bcc'] = 'user@localhost'
 
239
 
 
240
        from_, to = smtp_connection.SMTPConnection.get_message_addresses(msg)
 
241
        self.assertEqual('jrandom@example.com', from_)
 
242
        self.assertEqual(sorted(['john@doe.com', 'jane@doe.com',
 
243
            'pperez@ejemplo.com', 'user@localhost']), sorted(to))
 
244
 
 
245
        # now with bzrlib's EmailMessage
 
246
        msg = email_message.EmailMessage(
 
247
            '"J. Random Developer" <jrandom@example.com>',
 
248
            ['John Doe <john@doe.com>', 'Jane Doe <jane@doe.com>',
 
249
             u'Pepe P\xe9rez <pperez@ejemplo.com>', 'user@localhost' ],
 
250
            'subject')
 
251
 
 
252
        from_, to = smtp_connection.SMTPConnection.get_message_addresses(msg)
 
253
        self.assertEqual('jrandom@example.com', from_)
 
254
        self.assertEqual(sorted(['john@doe.com', 'jane@doe.com',
 
255
            'pperez@ejemplo.com', 'user@localhost']), sorted(to))
 
256
 
 
257
    def test_destination_address_required(self):
 
258
        class FakeConfig:
 
259
            def get_user_option(self, option):
 
260
                return None
 
261
 
 
262
        msg = Message()
 
263
        msg['From'] = '"J. Random Developer" <jrandom@example.com>'
 
264
        self.assertRaises(
 
265
            errors.NoDestinationAddress,
 
266
            smtp_connection.SMTPConnection(FakeConfig()).send_email, msg)
 
267
 
 
268
        msg = email_message.EmailMessage('from@from.com', '', 'subject')
 
269
        self.assertRaises(
 
270
            errors.NoDestinationAddress,
 
271
            smtp_connection.SMTPConnection(FakeConfig()).send_email, msg)
 
272
 
 
273
        msg = email_message.EmailMessage('from@from.com', [], 'subject')
 
274
        self.assertRaises(
 
275
            errors.NoDestinationAddress,
 
276
            smtp_connection.SMTPConnection(FakeConfig()).send_email, msg)