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  • Committer: Jelmer Vernooij
  • Date: 2020-05-24 00:39:50 UTC
  • mto: This revision was merged to the branch mainline in revision 7504.
  • Revision ID: jelmer@jelmer.uk-20200524003950-bbc545r76vc5yajg
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breezy/tests/test_email_message.py
 
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# 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.
 
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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
 
11
# GNU General Public License for more details.
 
12
#
 
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# 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
 
 
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import sys
 
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from email.header import decode_header
 
19
 
 
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from .. import __version__ as _breezy_version
 
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from ..email_message import EmailMessage
 
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from ..errors import BzrBadParameterNotUnicode
 
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from ..smtp_connection import SMTPConnection
 
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from .. import tests
 
25
 
 
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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)
 
31
 
 
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''' % _breezy_version
 
33
 
 
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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)
 
42
 
 
43
%%s''' % _breezy_version
 
44
 
 
45
SIMPLE_MESSAGE_ASCII = _SIMPLE_MESSAGE % ('us-ascii', '7bit', 'body')
 
46
SIMPLE_MESSAGE_UTF8 = _SIMPLE_MESSAGE % ('utf-8', 'base64', 'YsOzZHk=\n')
 
47
SIMPLE_MESSAGE_8BIT = _SIMPLE_MESSAGE % ('8-bit', 'base64', 'YvRkeQ==\n')
 
48
 
 
49
 
 
50
BOUNDARY = '=====123456=='
 
51
 
 
52
_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)
 
59
 
 
60
--%(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
 
65
 
 
66
body
 
67
''' % {'version': _breezy_version, 'boundary': BOUNDARY}
 
68
 
 
69
 
 
70
def simple_multipart_message():
 
71
    msg = _MULTIPART_HEAD + '--%s--\n' % BOUNDARY
 
72
    return msg
 
73
 
 
74
 
 
75
def complex_multipart_message(typ):
 
76
    msg = _MULTIPART_HEAD + '''\
 
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--%(boundary)s
 
78
MIME-Version: 1.0
 
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Content-Type: text/%%s; charset="us-ascii"; name="lines.txt"
 
80
Content-Transfer-Encoding: 7bit
 
81
Content-Disposition: inline
 
82
 
 
83
a
 
84
b
 
85
c
 
86
d
 
87
e
 
88
 
 
89
--%(boundary)s--
 
90
''' % {'boundary': BOUNDARY}
 
91
    return msg % (typ,)
 
92
 
 
93
 
 
94
class TestEmailMessage(tests.TestCase):
 
95
 
 
96
    def test_empty_message(self):
 
97
        msg = EmailMessage('from@from.com', 'to@to.com', 'subject')
 
98
        self.assertEqualDiff(EMPTY_MESSAGE, msg.as_string())
 
99
 
 
100
    def test_simple_message(self):
 
101
        pairs = {
 
102
            b'body': SIMPLE_MESSAGE_ASCII,
 
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            u'b\xf3dy': SIMPLE_MESSAGE_UTF8,
 
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            b'b\xc3\xb3dy': SIMPLE_MESSAGE_UTF8,
 
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            b'b\xf4dy': SIMPLE_MESSAGE_8BIT,
 
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        }
 
107
        for body, expected in pairs.items():
 
108
            msg = EmailMessage('from@from.com', 'to@to.com', 'subject', body)
 
109
            self.assertEqualDiff(expected, msg.as_string())
 
110
 
 
111
    def test_multipart_message_simple(self):
 
112
        msg = EmailMessage('from@from.com', 'to@to.com', 'subject')
 
113
        msg.add_inline_attachment('body')
 
114
        self.assertEqualDiff(simple_multipart_message(),
 
115
                             msg.as_string(BOUNDARY))
 
116
 
 
117
    def test_multipart_message_complex(self):
 
118
        msg = EmailMessage('from@from.com', 'to@to.com', 'subject', 'body')
 
119
        msg.add_inline_attachment(u'a\nb\nc\nd\ne\n', 'lines.txt', 'x-subtype')
 
120
        self.assertEqualDiff(complex_multipart_message('x-subtype'),
 
121
                             msg.as_string(BOUNDARY))
 
122
 
 
123
    def test_headers_accept_unicode_and_utf8(self):
 
124
        for user in [u'Pepe P\xe9rez <pperez@ejemplo.com>',
 
125
                     'Pepe P\xc3\xa9red <pperez@ejemplo.com>']:
 
126
            msg = EmailMessage(user, user, user)  # no exception raised
 
127
 
 
128
            for header in ['From', 'To', 'Subject']:
 
129
                value = msg[header]
 
130
                value.encode('ascii')  # no UnicodeDecodeError
 
131
 
 
132
    def test_headers_reject_8bit(self):
 
133
        for i in range(3):  # from_address, to_address, subject
 
134
            x = [b'"J. Random Developer" <jrandom@example.com>'] * 3
 
135
            x[i] = b'Pepe P\xe9rez <pperez@ejemplo.com>'
 
136
            self.assertRaises(BzrBadParameterNotUnicode, EmailMessage, *x)
 
137
 
 
138
    def test_multiple_destinations(self):
 
139
        to_addresses = ['to1@to.com', 'to2@to.com', 'to3@to.com']
 
140
        msg = EmailMessage('from@from.com', to_addresses, 'subject')
 
141
        self.assertContainsRe(msg.as_string(), 'To: '
 
142
                              + ', '.join(to_addresses))  # re.M can't be passed, so no ^$
 
143
 
 
144
    def test_retrieving_headers(self):
 
145
        msg = EmailMessage('from@from.com', 'to@to.com', 'subject')
 
146
        for header, value in [('From', 'from@from.com'), ('To', 'to@to.com'),
 
147
                              ('Subject', 'subject')]:
 
148
            self.assertEqual(value, msg.get(header))
 
149
            self.assertEqual(value, msg[header])
 
150
        self.assertEqual(None, msg.get('Does-Not-Exist'))
 
151
        self.assertEqual(None, msg['Does-Not-Exist'])
 
152
        self.assertEqual('None', msg.get('Does-Not-Exist', 'None'))
 
153
 
 
154
    def test_setting_headers(self):
 
155
        msg = EmailMessage('from@from.com', 'to@to.com', 'subject')
 
156
        msg['To'] = 'to2@to.com'
 
157
        msg['Cc'] = 'cc@cc.com'
 
158
        self.assertEqual('to2@to.com', msg['To'])
 
159
        self.assertEqual('cc@cc.com', msg['Cc'])
 
160
 
 
161
    def test_address_to_encoded_header(self):
 
162
        def decode(s):
 
163
            """Convert a RFC2047-encoded string to a unicode string."""
 
164
            return ''.join([chunk.decode(encoding or 'ascii')
 
165
                            for chunk, encoding in decode_header(s)])
 
166
 
 
167
        address = 'jrandom@example.com'
 
168
        encoded = EmailMessage.address_to_encoded_header(address)
 
169
        self.assertEqual(address, encoded)
 
170
 
 
171
        address = 'J Random Developer <jrandom@example.com>'
 
172
        encoded = EmailMessage.address_to_encoded_header(address)
 
173
        self.assertEqual(address, encoded)
 
174
 
 
175
        address = '"J. Random Developer" <jrandom@example.com>'
 
176
        encoded = EmailMessage.address_to_encoded_header(address)
 
177
        self.assertEqual(address, encoded)
 
178
 
 
179
        address = u'Pepe P\xe9rez <pperez@ejemplo.com>'  # unicode ok
 
180
        encoded = EmailMessage.address_to_encoded_header(address)
 
181
        # addr must be unencoded
 
182
        self.assertTrue('pperez@ejemplo.com' in encoded)
 
183
        self.assertEqual(address, decode(encoded))
 
184
 
 
185
        address = b'Pepe P\xe9rez <pperez@ejemplo.com>'  # ISO-8859-1 not ok
 
186
        self.assertRaises(BzrBadParameterNotUnicode,
 
187
                          EmailMessage.address_to_encoded_header, address)
 
188
 
 
189
    def test_string_with_encoding(self):
 
190
        pairs = {
 
191
            u'Pepe': (b'Pepe', 'ascii'),
 
192
            u'P\xe9rez': (b'P\xc3\xa9rez', 'utf-8'),
 
193
            b'P\xc3\xa9rez': (b'P\xc3\xa9rez', 'utf-8'),
 
194
            b'P\xe8rez': (b'P\xe8rez', '8-bit'),
 
195
        }
 
196
        for string_, pair in pairs.items():
 
197
            self.assertEqual(pair, EmailMessage.string_with_encoding(string_))
 
198
 
 
199
 
 
200
class TestSend(tests.TestCase):
 
201
 
 
202
    def setUp(self):
 
203
        super(TestSend, self).setUp()
 
204
        self.messages = []
 
205
 
 
206
        def send_as_append(_self, msg):
 
207
            self.messages.append(msg.as_string(BOUNDARY))
 
208
 
 
209
        self.overrideAttr(SMTPConnection, 'send_email', send_as_append)
 
210
 
 
211
    def send_email(self, attachment=None, attachment_filename=None,
 
212
                   attachment_mime_subtype='plain'):
 
213
        class FakeConfig:
 
214
            def get(self, option):
 
215
                return None
 
216
 
 
217
        EmailMessage.send(FakeConfig(), 'from@from.com', 'to@to.com',
 
218
                          'subject', 'body',
 
219
                          attachment=attachment,
 
220
                          attachment_filename=attachment_filename,
 
221
                          attachment_mime_subtype=attachment_mime_subtype)
 
222
 
 
223
    def assertMessage(self, expected):
 
224
        self.assertLength(1, self.messages)
 
225
        self.assertEqualDiff(expected, self.messages[0])
 
226
 
 
227
    def test_send_plain(self):
 
228
        self.send_email(u'a\nb\nc\nd\ne\n', 'lines.txt')
 
229
        self.assertMessage(complex_multipart_message('plain'))
 
230
 
 
231
    def test_send_patch(self):
 
232
        self.send_email(u'a\nb\nc\nd\ne\n', 'lines.txt', 'x-patch')
 
233
        self.assertMessage(complex_multipart_message('x-patch'))
 
234
 
 
235
    def test_send_simple(self):
 
236
        self.send_email()
 
237
        self.assertMessage(SIMPLE_MESSAGE_ASCII)