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Viewing changes to bzrlib/tests/test_smtp_connection.py

  • Committer: Robert Collins
  • Date: 2005-08-23 06:52:09 UTC
  • mto: (974.1.50) (1185.1.10) (1092.3.1)
  • mto: This revision was merged to the branch mainline in revision 1139.
  • Revision ID: robertc@robertcollins.net-20050823065209-81cd5962c401751b
move io redirection into each test case from the global runner

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# Copyright (C) 2005, 2007 Canonical Ltd
2
 
#
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# 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
 
#
8
 
# 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,
25
 
    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()
95
 
        config_file = StringIO(text)
96
 
        my_config._get_parser(config_file)
97
 
        return smtp_connection.SMTPConnection(my_config,
98
 
                                              _smtp_factory=smtp_factory)
99
 
 
100
 
    def test_defaults(self):
101
 
        conn = self.get_connection('')
102
 
        self.assertEqual('localhost', conn._smtp_server)
103
 
        self.assertEqual(None, conn._smtp_username)
104
 
        self.assertEqual(None, conn._smtp_password)
105
 
 
106
 
    def test_smtp_server(self):
107
 
        conn = self.get_connection('[DEFAULT]\nsmtp_server=host:10\n')
108
 
        self.assertEqual('host:10', conn._smtp_server)
109
 
 
110
 
    def test_missing_server(self):
111
 
        conn = self.get_connection('', smtp_factory=connection_refuser)
112
 
        self.assertRaises(errors.DefaultSMTPConnectionRefused, conn._connect)
113
 
        conn = self.get_connection('[DEFAULT]\nsmtp_server=smtp.example.com\n',
114
 
                                   smtp_factory=connection_refuser)
115
 
        self.assertRaises(errors.SMTPConnectionRefused, conn._connect)
116
 
 
117
 
    def test_smtp_username(self):
118
 
        conn = self.get_connection('')
119
 
        self.assertIs(None, conn._smtp_username)
120
 
 
121
 
        conn = self.get_connection('[DEFAULT]\nsmtp_username=joebody\n')
122
 
        self.assertEqual(u'joebody', conn._smtp_username)
123
 
 
124
 
    def test_smtp_password_from_config(self):
125
 
        conn = self.get_connection('')
126
 
        self.assertIs(None, conn._smtp_password)
127
 
 
128
 
        conn = self.get_connection('[DEFAULT]\nsmtp_password=mypass\n')
129
 
        self.assertEqual(u'mypass', conn._smtp_password)
130
 
 
131
 
    def test_smtp_password_from_user(self):
132
 
        user = 'joe'
133
 
        password = 'hispass'
134
 
        factory = WideOpenSMTPFactory()
135
 
        conn = self.get_connection('[DEFAULT]\nsmtp_username=%s\n' % user,
136
 
                                   smtp_factory=factory)
137
 
        self.assertIs(None, conn._smtp_password)
138
 
 
139
 
        ui.ui_factory = tests.TestUIFactory(stdin=password + '\n',
140
 
                                            stdout=tests.StringIOWrapper())
141
 
        conn._connect()
142
 
        self.assertEqual(password, conn._smtp_password)
143
 
        # stdin should be empty (the provided password have been consumed)
144
 
        self.assertEqual('', ui.ui_factory.stdin.readline())
145
 
 
146
 
    def test_smtp_password_from_auth_config(self):
147
 
        user = 'joe'
148
 
        password = 'hispass'
149
 
        factory = WideOpenSMTPFactory()
150
 
        conn = self.get_connection('[DEFAULT]\nsmtp_username=%s\n' % user,
151
 
                                   smtp_factory=factory)
152
 
        self.assertEqual(user, conn._smtp_username)
153
 
        self.assertIs(None, conn._smtp_password)
154
 
        # Create a config file with the right password
155
 
        conf = config.AuthenticationConfig()
156
 
        conf._get_config().update({'smtptest':
157
 
                                       {'scheme': 'smtp', 'user':user,
158
 
                                        'password': password}})
159
 
        conf._save()
160
 
 
161
 
        conn._connect()
162
 
        self.assertEqual(password, conn._smtp_password)
163
 
 
164
 
    def test_authenticate_with_byte_strings(self):
165
 
        user = 'joe'
166
 
        password = 'h\xC3\xACspass'
167
 
        factory = WideOpenSMTPFactory()
168
 
        conn = self.get_connection(
169
 
            '[DEFAULT]\nsmtp_username=%s\nsmtp_password=%s\n'
170
 
            % (user, password), smtp_factory=factory)
171
 
        self.assertEqual(u'h\xECspass', conn._smtp_password)
172
 
        conn._connect()
173
 
        self.assertEqual([('connect', 'localhost'),
174
 
                          ('ehlo',),
175
 
                          ('has_extn', 'starttls'),
176
 
                          ('login', user, password)], factory._calls)
177
 
        smtp_username, smtp_password = factory._calls[-1][1:]
178
 
        self.assertIsInstance(smtp_username, str)
179
 
        self.assertIsInstance(smtp_password, str)
180
 
 
181
 
    def test_create_connection(self):
182
 
        factory = StubSMTPFactory()
183
 
        conn = self.get_connection('', smtp_factory=factory)
184
 
        conn._create_connection()
185
 
        self.assertEqual([('connect', 'localhost'),
186
 
                          ('ehlo',),
187
 
                          ('has_extn', 'starttls')], factory._calls)
188
 
 
189
 
    def test_create_connection_ehlo_fails(self):
190
 
        # Check that we call HELO if EHLO failed.
191
 
        factory = StubSMTPFactory(fail_on=['ehlo'])
192
 
        conn = self.get_connection('', smtp_factory=factory)
193
 
        conn._create_connection()
194
 
        self.assertEqual([('connect', 'localhost'),
195
 
                          ('ehlo',),
196
 
                          ('helo',),
197
 
                          ('has_extn', 'starttls')], factory._calls)
198
 
 
199
 
    def test_create_connection_ehlo_helo_fails(self):
200
 
        # Check that we raise an exception if both EHLO and HELO fail.
201
 
        factory = StubSMTPFactory(fail_on=['ehlo', 'helo'])
202
 
        conn = self.get_connection('', smtp_factory=factory)
203
 
        self.assertRaises(errors.SMTPError, conn._create_connection)
204
 
        self.assertEqual([('connect', 'localhost'),
205
 
                          ('ehlo',),
206
 
                          ('helo',)], factory._calls)
207
 
 
208
 
    def test_create_connection_starttls(self):
209
 
        # Check that STARTTLS plus a second EHLO are called if the
210
 
        # server says it supports the feature.
211
 
        factory = StubSMTPFactory(smtp_features=['starttls'])
212
 
        conn = self.get_connection('', smtp_factory=factory)
213
 
        conn._create_connection()
214
 
        self.assertEqual([('connect', 'localhost'),
215
 
                          ('ehlo',),
216
 
                          ('has_extn', 'starttls'),
217
 
                          ('starttls',),
218
 
                          ('ehlo',)], factory._calls)
219
 
 
220
 
    def test_create_connection_starttls_fails(self):
221
 
        # Check that we raise an exception if the server claims to
222
 
        # support STARTTLS, but then fails when we try to activate it.
223
 
        factory = StubSMTPFactory(fail_on=['starttls'],
224
 
                                  smtp_features=['starttls'])
225
 
        conn = self.get_connection('', smtp_factory=factory)
226
 
        self.assertRaises(errors.SMTPError, conn._create_connection)
227
 
        self.assertEqual([('connect', 'localhost'),
228
 
                          ('ehlo',),
229
 
                          ('has_extn', 'starttls'),
230
 
                          ('starttls',)], factory._calls)
231
 
 
232
 
    def test_get_message_addresses(self):
233
 
        msg = Message()
234
 
 
235
 
        from_, to = smtp_connection.SMTPConnection.get_message_addresses(msg)
236
 
        self.assertEqual('', from_)
237
 
        self.assertEqual([], to)
238
 
 
239
 
        msg['From'] = '"J. Random Developer" <jrandom@example.com>'
240
 
        msg['To'] = 'John Doe <john@doe.com>, Jane Doe <jane@doe.com>'
241
 
        msg['CC'] = u'Pepe P\xe9rez <pperez@ejemplo.com>'
242
 
        msg['Bcc'] = 'user@localhost'
243
 
 
244
 
        from_, to = smtp_connection.SMTPConnection.get_message_addresses(msg)
245
 
        self.assertEqual('jrandom@example.com', from_)
246
 
        self.assertEqual(sorted(['john@doe.com', 'jane@doe.com',
247
 
            'pperez@ejemplo.com', 'user@localhost']), sorted(to))
248
 
 
249
 
        # now with bzrlib's EmailMessage
250
 
        msg = email_message.EmailMessage(
251
 
            '"J. Random Developer" <jrandom@example.com>',
252
 
            ['John Doe <john@doe.com>', 'Jane Doe <jane@doe.com>',
253
 
             u'Pepe P\xe9rez <pperez@ejemplo.com>', 'user@localhost' ],
254
 
            'subject')
255
 
 
256
 
        from_, to = smtp_connection.SMTPConnection.get_message_addresses(msg)
257
 
        self.assertEqual('jrandom@example.com', from_)
258
 
        self.assertEqual(sorted(['john@doe.com', 'jane@doe.com',
259
 
            'pperez@ejemplo.com', 'user@localhost']), sorted(to))
260
 
 
261
 
    def test_destination_address_required(self):
262
 
        class FakeConfig:
263
 
            def get_user_option(self, option):
264
 
                return None
265
 
 
266
 
        msg = Message()
267
 
        msg['From'] = '"J. Random Developer" <jrandom@example.com>'
268
 
        self.assertRaises(
269
 
            errors.NoDestinationAddress,
270
 
            smtp_connection.SMTPConnection(FakeConfig()).send_email, msg)
271
 
 
272
 
        msg = email_message.EmailMessage('from@from.com', '', 'subject')
273
 
        self.assertRaises(
274
 
            errors.NoDestinationAddress,
275
 
            smtp_connection.SMTPConnection(FakeConfig()).send_email, msg)
276
 
 
277
 
        msg = email_message.EmailMessage('from@from.com', [], 'subject')
278
 
        self.assertRaises(
279
 
            errors.NoDestinationAddress,
280
 
            smtp_connection.SMTPConnection(FakeConfig()).send_email, msg)