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Viewing changes to breezy/tests/test_email_message.py

  • Committer: Jelmer Vernooij
  • Date: 2019-03-13 23:24:13 UTC
  • mto: (7290.1.23 work)
  • mto: This revision was merged to the branch mainline in revision 7311.
  • Revision ID: jelmer@jelmer.uk-20190313232413-y1c951be4surcc9g
Fix formatting.

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breezy/tests/test_email_message.py
 
1
# Copyright (C) 2007, 2009, 2011, 2014, 2016 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
 
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# (at your option) any later version.
 
7
#
 
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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
 
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
import sys
 
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from email.header import decode_header
 
19
 
 
20
from .. import __version__ as _breezy_version
 
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from ..email_message import EmailMessage
 
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from ..errors import BzrBadParameterNotUnicode
 
23
from ..sixish import PY3, text_type
 
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from ..smtp_connection import SMTPConnection
 
25
from .. import tests
 
26
 
 
27
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)
 
32
 
 
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''' % _breezy_version
 
34
 
 
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_SIMPLE_MESSAGE = '''\
 
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MIME-Version: 1.0
 
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Content-Type: text/plain; charset="%%s"
 
38
Content-Transfer-Encoding: %%s
 
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From: from@from.com
 
40
Subject: subject
 
41
To: to@to.com
 
42
User-Agent: Bazaar (%s)
 
43
 
 
44
%%s''' % _breezy_version
 
45
 
 
46
SIMPLE_MESSAGE_ASCII = _SIMPLE_MESSAGE % ('us-ascii', '7bit', 'body')
 
47
SIMPLE_MESSAGE_UTF8 = _SIMPLE_MESSAGE % ('utf-8', 'base64', 'YsOzZHk=\n')
 
48
SIMPLE_MESSAGE_8BIT = _SIMPLE_MESSAGE % ('8-bit', 'base64', 'YvRkeQ==\n')
 
49
 
 
50
 
 
51
BOUNDARY = '=====123456=='
 
52
 
 
53
_MULTIPART_HEAD = '''\
 
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Content-Type: multipart/mixed; boundary="%(boundary)s"
 
55
MIME-Version: 1.0
 
56
From: from@from.com
 
57
Subject: subject
 
58
To: to@to.com
 
59
User-Agent: Bazaar (%(version)s)
 
60
 
 
61
--%(boundary)s
 
62
MIME-Version: 1.0
 
63
Content-Type: text/plain; charset="us-ascii"
 
64
Content-Transfer-Encoding: 7bit
 
65
Content-Disposition: inline
 
66
 
 
67
body
 
68
''' % {'version': _breezy_version, 'boundary': BOUNDARY}
 
69
 
 
70
 
 
71
def final_newline_or_not(msg):
 
72
    if sys.version_info >= (2, 7, 6):
 
73
        # Some internals of python's email module changed in an (minor)
 
74
        # incompatible way: a final newline is appended in 2.7.6...
 
75
        msg += '\n'
 
76
    return msg
 
77
 
 
78
 
 
79
def simple_multipart_message():
 
80
    msg = _MULTIPART_HEAD + '--%s--' % BOUNDARY
 
81
    return final_newline_or_not(msg)
 
82
 
 
83
 
 
84
def complex_multipart_message(typ):
 
85
    msg = _MULTIPART_HEAD + '''\
 
86
--%(boundary)s
 
87
MIME-Version: 1.0
 
88
Content-Type: text/%%s; charset="us-ascii"; name="lines.txt"
 
89
Content-Transfer-Encoding: 7bit
 
90
Content-Disposition: inline
 
91
 
 
92
a
 
93
b
 
94
c
 
95
d
 
96
e
 
97
 
 
98
--%(boundary)s--''' % {'boundary': BOUNDARY}
 
99
    msg = final_newline_or_not(msg)
 
100
    return msg % (typ,)
 
101
 
 
102
 
 
103
class TestEmailMessage(tests.TestCase):
 
104
 
 
105
    def test_empty_message(self):
 
106
        msg = EmailMessage('from@from.com', 'to@to.com', 'subject')
 
107
        self.assertEqualDiff(EMPTY_MESSAGE, msg.as_string())
 
108
 
 
109
    def test_simple_message(self):
 
110
        pairs = {
 
111
            b'body': SIMPLE_MESSAGE_ASCII,
 
112
            u'b\xf3dy': SIMPLE_MESSAGE_UTF8,
 
113
            b'b\xc3\xb3dy': SIMPLE_MESSAGE_UTF8,
 
114
            b'b\xf4dy': SIMPLE_MESSAGE_8BIT,
 
115
        }
 
116
        for body, expected in pairs.items():
 
117
            msg = EmailMessage('from@from.com', 'to@to.com', 'subject', body)
 
118
            self.assertEqualDiff(expected, msg.as_string())
 
119
 
 
120
    def test_multipart_message_simple(self):
 
121
        msg = EmailMessage('from@from.com', 'to@to.com', 'subject')
 
122
        msg.add_inline_attachment('body')
 
123
        self.assertEqualDiff(simple_multipart_message(),
 
124
                             msg.as_string(BOUNDARY))
 
125
 
 
126
    def test_multipart_message_complex(self):
 
127
        msg = EmailMessage('from@from.com', 'to@to.com', 'subject', 'body')
 
128
        msg.add_inline_attachment(u'a\nb\nc\nd\ne\n', 'lines.txt', 'x-subtype')
 
129
        self.assertEqualDiff(complex_multipart_message('x-subtype'),
 
130
                             msg.as_string(BOUNDARY))
 
131
 
 
132
    def test_headers_accept_unicode_and_utf8(self):
 
133
        for user in [u'Pepe P\xe9rez <pperez@ejemplo.com>',
 
134
                     'Pepe P\xc3\xa9red <pperez@ejemplo.com>']:
 
135
            msg = EmailMessage(user, user, user)  # no exception raised
 
136
 
 
137
            for header in ['From', 'To', 'Subject']:
 
138
                value = msg[header]
 
139
                value.encode('ascii')  # no UnicodeDecodeError
 
140
 
 
141
    def test_headers_reject_8bit(self):
 
142
        for i in range(3):  # from_address, to_address, subject
 
143
            x = [b'"J. Random Developer" <jrandom@example.com>'] * 3
 
144
            x[i] = b'Pepe P\xe9rez <pperez@ejemplo.com>'
 
145
            self.assertRaises(BzrBadParameterNotUnicode, EmailMessage, *x)
 
146
 
 
147
    def test_multiple_destinations(self):
 
148
        to_addresses = ['to1@to.com', 'to2@to.com', 'to3@to.com']
 
149
        msg = EmailMessage('from@from.com', to_addresses, 'subject')
 
150
        self.assertContainsRe(msg.as_string(), 'To: '
 
151
                              + ', '.join(to_addresses))  # re.M can't be passed, so no ^$
 
152
 
 
153
    def test_retrieving_headers(self):
 
154
        msg = EmailMessage('from@from.com', 'to@to.com', 'subject')
 
155
        for header, value in [('From', 'from@from.com'), ('To', 'to@to.com'),
 
156
                              ('Subject', 'subject')]:
 
157
            self.assertEqual(value, msg.get(header))
 
158
            self.assertEqual(value, msg[header])
 
159
        self.assertEqual(None, msg.get('Does-Not-Exist'))
 
160
        self.assertEqual(None, msg['Does-Not-Exist'])
 
161
        self.assertEqual('None', msg.get('Does-Not-Exist', 'None'))
 
162
 
 
163
    def test_setting_headers(self):
 
164
        msg = EmailMessage('from@from.com', 'to@to.com', 'subject')
 
165
        msg['To'] = 'to2@to.com'
 
166
        msg['Cc'] = 'cc@cc.com'
 
167
        self.assertEqual('to2@to.com', msg['To'])
 
168
        self.assertEqual('cc@cc.com', msg['Cc'])
 
169
 
 
170
    def test_address_to_encoded_header(self):
 
171
        def decode(s):
 
172
            """Convert a RFC2047-encoded string to a unicode string."""
 
173
            if PY3:
 
174
                return ''.join([chunk.decode(encoding or 'ascii')
 
175
                                for chunk, encoding in decode_header(s)])
 
176
            else:
 
177
                # Cope with python2 stripping whitespace.
 
178
                # https://bugs.python.org/issue1467619
 
179
                return ' '.join([chunk.decode(encoding or 'ascii')
 
180
                                 for chunk, encoding in decode_header(s)])
 
181
 
 
182
        address = 'jrandom@example.com'
 
183
        encoded = EmailMessage.address_to_encoded_header(address)
 
184
        self.assertEqual(address, encoded)
 
185
 
 
186
        address = 'J Random Developer <jrandom@example.com>'
 
187
        encoded = EmailMessage.address_to_encoded_header(address)
 
188
        self.assertEqual(address, encoded)
 
189
 
 
190
        address = '"J. Random Developer" <jrandom@example.com>'
 
191
        encoded = EmailMessage.address_to_encoded_header(address)
 
192
        self.assertEqual(address, encoded)
 
193
 
 
194
        address = u'Pepe P\xe9rez <pperez@ejemplo.com>'  # unicode ok
 
195
        encoded = EmailMessage.address_to_encoded_header(address)
 
196
        # addr must be unencoded
 
197
        self.assertTrue('pperez@ejemplo.com' in encoded)
 
198
        self.assertEqual(address, decode(encoded))
 
199
 
 
200
        address = b'Pepe P\xe9rez <pperez@ejemplo.com>'  # ISO-8859-1 not ok
 
201
        self.assertRaises(BzrBadParameterNotUnicode,
 
202
                          EmailMessage.address_to_encoded_header, address)
 
203
 
 
204
    def test_string_with_encoding(self):
 
205
        pairs = {
 
206
            u'Pepe': (b'Pepe', 'ascii'),
 
207
            u'P\xe9rez': (b'P\xc3\xa9rez', 'utf-8'),
 
208
            b'P\xc3\xa9rez': (b'P\xc3\xa9rez', 'utf-8'),
 
209
            b'P\xe8rez': (b'P\xe8rez', '8-bit'),
 
210
        }
 
211
        for string_, pair in pairs.items():
 
212
            self.assertEqual(pair, EmailMessage.string_with_encoding(string_))
 
213
 
 
214
 
 
215
class TestSend(tests.TestCase):
 
216
 
 
217
    def setUp(self):
 
218
        super(TestSend, self).setUp()
 
219
        self.messages = []
 
220
 
 
221
        def send_as_append(_self, msg):
 
222
            self.messages.append(msg.as_string(BOUNDARY))
 
223
 
 
224
        self.overrideAttr(SMTPConnection, 'send_email', send_as_append)
 
225
 
 
226
    def send_email(self, attachment=None, attachment_filename=None,
 
227
                   attachment_mime_subtype='plain'):
 
228
        class FakeConfig:
 
229
            def get(self, option):
 
230
                return None
 
231
 
 
232
        EmailMessage.send(FakeConfig(), 'from@from.com', 'to@to.com',
 
233
                          'subject', 'body',
 
234
                          attachment=attachment,
 
235
                          attachment_filename=attachment_filename,
 
236
                          attachment_mime_subtype=attachment_mime_subtype)
 
237
 
 
238
    def assertMessage(self, expected):
 
239
        self.assertLength(1, self.messages)
 
240
        self.assertEqualDiff(expected, self.messages[0])
 
241
 
 
242
    def test_send_plain(self):
 
243
        self.send_email(u'a\nb\nc\nd\ne\n', 'lines.txt')
 
244
        self.assertMessage(complex_multipart_message('plain'))
 
245
 
 
246
    def test_send_patch(self):
 
247
        self.send_email(u'a\nb\nc\nd\ne\n', 'lines.txt', 'x-patch')
 
248
        self.assertMessage(complex_multipart_message('x-patch'))
 
249
 
 
250
    def test_send_simple(self):
 
251
        self.send_email()
 
252
        self.assertMessage(SIMPLE_MESSAGE_ASCII)