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[merge] robertc's integration, updated tests to check for retcode=3

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breezy/tests/test_smtp_connection.py
1
 
# Copyright (C) 2007, 2009, 2010, 2011 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
 
#
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
 
try:
18
 
    from email.message import Message
19
 
except ImportError:  # python < 3
20
 
    from email.Message import Message
21
 
import errno
22
 
import smtplib
23
 
import socket
24
 
 
25
 
from breezy import (
26
 
    config,
27
 
    email_message,
28
 
    smtp_connection,
29
 
    tests,
30
 
    ui,
31
 
    )
32
 
 
33
 
 
34
 
def connection_refuser():
35
 
    def connect(server):
36
 
        raise socket.error(errno.ECONNREFUSED, 'Connection Refused')
37
 
    smtp = smtplib.SMTP()
38
 
    smtp.connect = connect
39
 
    return smtp
40
 
 
41
 
 
42
 
class StubSMTPFactory(object):
43
 
    """A fake SMTP connection to test the connection setup."""
44
 
 
45
 
    def __init__(self, fail_on=None, smtp_features=None):
46
 
        self._fail_on = fail_on or []
47
 
        self._calls = []
48
 
        self._smtp_features = smtp_features or []
49
 
        self._ehlo_called = False
50
 
 
51
 
    def __call__(self):
52
 
        # The factory pretends to be a connection
53
 
        return self
54
 
 
55
 
    def connect(self, server):
56
 
        self._calls.append(('connect', server))
57
 
 
58
 
    def helo(self):
59
 
        self._calls.append(('helo',))
60
 
        if 'helo' in self._fail_on:
61
 
            return 500, 'helo failure'
62
 
        else:
63
 
            return 200, 'helo success'
64
 
 
65
 
    def ehlo(self):
66
 
        self._calls.append(('ehlo',))
67
 
        if 'ehlo' in self._fail_on:
68
 
            return 500, 'ehlo failure'
69
 
        else:
70
 
            self._ehlo_called = True
71
 
            return 200, 'ehlo success'
72
 
 
73
 
    def has_extn(self, extension):
74
 
        self._calls.append(('has_extn', extension))
75
 
        return self._ehlo_called and extension in self._smtp_features
76
 
 
77
 
    def starttls(self):
78
 
        self._calls.append(('starttls',))
79
 
        if 'starttls' in self._fail_on:
80
 
            return 500, 'starttls failure'
81
 
        else:
82
 
            self._ehlo_called = True
83
 
            return 200, 'starttls success'
84
 
 
85
 
 
86
 
class WideOpenSMTPFactory(StubSMTPFactory):
87
 
    """A fake smtp server that implements login by accepting anybody."""
88
 
 
89
 
    def login(self, user, password):
90
 
        self._calls.append(('login', user, password))
91
 
 
92
 
 
93
 
class TestSMTPConnection(tests.TestCaseInTempDir):
94
 
 
95
 
    def get_connection(self, text, smtp_factory=None):
96
 
        my_config = config.MemoryStack(text)
97
 
        return smtp_connection.SMTPConnection(
98
 
            my_config, _smtp_factory=smtp_factory)
99
 
 
100
 
    def test_defaults(self):
101
 
        conn = self.get_connection(b'')
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(b'smtp_server=host:10')
108
 
        self.assertEqual('host:10', conn._smtp_server)
109
 
 
110
 
    def test_missing_server(self):
111
 
        conn = self.get_connection(b'', smtp_factory=connection_refuser)
112
 
        self.assertRaises(smtp_connection.DefaultSMTPConnectionRefused,
113
 
                          conn._connect)
114
 
        conn = self.get_connection(b'smtp_server=smtp.example.com',
115
 
                                   smtp_factory=connection_refuser)
116
 
        self.assertRaises(smtp_connection.SMTPConnectionRefused, conn._connect)
117
 
 
118
 
    def test_smtp_username(self):
119
 
        conn = self.get_connection(b'')
120
 
        self.assertIs(None, conn._smtp_username)
121
 
 
122
 
        conn = self.get_connection(b'smtp_username=joebody')
123
 
        self.assertEqual(u'joebody', conn._smtp_username)
124
 
 
125
 
    def test_smtp_password_from_config(self):
126
 
        conn = self.get_connection(b'')
127
 
        self.assertIs(None, conn._smtp_password)
128
 
 
129
 
        conn = self.get_connection(b'smtp_password=mypass')
130
 
        self.assertEqual(u'mypass', conn._smtp_password)
131
 
 
132
 
    def test_smtp_password_from_user(self):
133
 
        user = 'joe'
134
 
        password = 'hispass'
135
 
        factory = WideOpenSMTPFactory()
136
 
        conn = self.get_connection(
137
 
            b'[DEFAULT]\nsmtp_username=%s\n' % user.encode('ascii'),
138
 
            smtp_factory=factory)
139
 
        self.assertIs(None, conn._smtp_password)
140
 
 
141
 
        ui.ui_factory = ui.CannedInputUIFactory([password])
142
 
        conn._connect()
143
 
        self.assertEqual(password, conn._smtp_password)
144
 
 
145
 
    def test_smtp_password_from_auth_config(self):
146
 
        user = 'joe'
147
 
        password = 'hispass'
148
 
        factory = WideOpenSMTPFactory()
149
 
        conn = self.get_connection(
150
 
            b'[DEFAULT]\nsmtp_username=%s\n' % user.encode('ascii'),
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 = b'joe'
166
 
        unicode_pass = u'h\xECspass'
167
 
        utf8_pass = unicode_pass.encode('utf-8')
168
 
        factory = WideOpenSMTPFactory()
169
 
        conn = self.get_connection(
170
 
            b'[DEFAULT]\nsmtp_username=%s\nsmtp_password=%s\n'
171
 
            % (user, utf8_pass), smtp_factory=factory)
172
 
        self.assertEqual(unicode_pass, conn._smtp_password)
173
 
        conn._connect()
174
 
        self.assertEqual([('connect', 'localhost'),
175
 
                          ('ehlo',),
176
 
                          ('has_extn', 'starttls'),
177
 
                          ('login', user, utf8_pass)], factory._calls)
178
 
        smtp_username, smtp_password = factory._calls[-1][1:]
179
 
        self.assertIsInstance(smtp_username, bytes)
180
 
        self.assertIsInstance(smtp_password, bytes)
181
 
 
182
 
    def test_create_connection(self):
183
 
        factory = StubSMTPFactory()
184
 
        conn = self.get_connection(b'', smtp_factory=factory)
185
 
        conn._create_connection()
186
 
        self.assertEqual([('connect', 'localhost'),
187
 
                          ('ehlo',),
188
 
                          ('has_extn', 'starttls')], factory._calls)
189
 
 
190
 
    def test_create_connection_ehlo_fails(self):
191
 
        # Check that we call HELO if EHLO failed.
192
 
        factory = StubSMTPFactory(fail_on=['ehlo'])
193
 
        conn = self.get_connection(b'', smtp_factory=factory)
194
 
        conn._create_connection()
195
 
        self.assertEqual([('connect', 'localhost'),
196
 
                          ('ehlo',),
197
 
                          ('helo',),
198
 
                          ('has_extn', 'starttls')], factory._calls)
199
 
 
200
 
    def test_create_connection_ehlo_helo_fails(self):
201
 
        # Check that we raise an exception if both EHLO and HELO fail.
202
 
        factory = StubSMTPFactory(fail_on=['ehlo', 'helo'])
203
 
        conn = self.get_connection(b'', smtp_factory=factory)
204
 
        self.assertRaises(smtp_connection.SMTPError, conn._create_connection)
205
 
        self.assertEqual([('connect', 'localhost'),
206
 
                          ('ehlo',),
207
 
                          ('helo',)], factory._calls)
208
 
 
209
 
    def test_create_connection_starttls(self):
210
 
        # Check that STARTTLS plus a second EHLO are called if the
211
 
        # server says it supports the feature.
212
 
        factory = StubSMTPFactory(smtp_features=['starttls'])
213
 
        conn = self.get_connection(b'', smtp_factory=factory)
214
 
        conn._create_connection()
215
 
        self.assertEqual([('connect', 'localhost'),
216
 
                          ('ehlo',),
217
 
                          ('has_extn', 'starttls'),
218
 
                          ('starttls',),
219
 
                          ('ehlo',)], factory._calls)
220
 
 
221
 
    def test_create_connection_starttls_fails(self):
222
 
        # Check that we raise an exception if the server claims to
223
 
        # support STARTTLS, but then fails when we try to activate it.
224
 
        factory = StubSMTPFactory(fail_on=['starttls'],
225
 
                                  smtp_features=['starttls'])
226
 
        conn = self.get_connection(b'', smtp_factory=factory)
227
 
        self.assertRaises(smtp_connection.SMTPError, conn._create_connection)
228
 
        self.assertEqual([('connect', 'localhost'),
229
 
                          ('ehlo',),
230
 
                          ('has_extn', 'starttls'),
231
 
                          ('starttls',)], factory._calls)
232
 
 
233
 
    def test_get_message_addresses(self):
234
 
        msg = Message()
235
 
 
236
 
        from_, to = smtp_connection.SMTPConnection.get_message_addresses(msg)
237
 
        self.assertEqual('', from_)
238
 
        self.assertEqual([], to)
239
 
 
240
 
        msg['From'] = '"J. Random Developer" <jrandom@example.com>'
241
 
        msg['To'] = 'John Doe <john@doe.com>, Jane Doe <jane@doe.com>'
242
 
        msg['CC'] = u'Pepe P\xe9rez <pperez@ejemplo.com>'
243
 
        msg['Bcc'] = 'user@localhost'
244
 
 
245
 
        from_, to = smtp_connection.SMTPConnection.get_message_addresses(msg)
246
 
        self.assertEqual('jrandom@example.com', from_)
247
 
        self.assertEqual(sorted(['john@doe.com', 'jane@doe.com',
248
 
                                 'pperez@ejemplo.com', 'user@localhost']), sorted(to))
249
 
 
250
 
        # now with breezy's EmailMessage
251
 
        msg = email_message.EmailMessage(
252
 
            '"J. Random Developer" <jrandom@example.com>',
253
 
            ['John Doe <john@doe.com>', 'Jane Doe <jane@doe.com>',
254
 
             u'Pepe P\xe9rez <pperez@ejemplo.com>', 'user@localhost'],
255
 
            'subject')
256
 
 
257
 
        from_, to = smtp_connection.SMTPConnection.get_message_addresses(msg)
258
 
        self.assertEqual('jrandom@example.com', from_)
259
 
        self.assertEqual(sorted(['john@doe.com', 'jane@doe.com',
260
 
                                 'pperez@ejemplo.com', 'user@localhost']), sorted(to))
261
 
 
262
 
    def test_destination_address_required(self):
263
 
        msg = Message()
264
 
        msg['From'] = '"J. Random Developer" <jrandom@example.com>'
265
 
        self.assertRaises(
266
 
            smtp_connection.NoDestinationAddress,
267
 
            smtp_connection.SMTPConnection(config.MemoryStack(b"")
268
 
                                           ).send_email, msg)
269
 
 
270
 
        msg = email_message.EmailMessage('from@from.com', '', 'subject')
271
 
        self.assertRaises(
272
 
            smtp_connection.NoDestinationAddress,
273
 
            smtp_connection.SMTPConnection(config.MemoryStack(b"")
274
 
                                           ).send_email, msg)
275
 
 
276
 
        msg = email_message.EmailMessage('from@from.com', [], 'subject')
277
 
        self.assertRaises(
278
 
            smtp_connection.NoDestinationAddress,
279
 
            smtp_connection.SMTPConnection(config.MemoryStack(b"")
280
 
                                           ).send_email, msg)