forked from extern/django-helpdesk
292 lines
13 KiB
Python
292 lines
13 KiB
Python
from __future__ import unicode_literals
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from helpdesk.models import Queue, Ticket, FollowUp, Attachment
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from django.test import TestCase
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from django.core.management import call_command
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from django.utils import six
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from django.shortcuts import get_object_or_404
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import itertools
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from shutil import rmtree
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import sys
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from tempfile import mkdtemp
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try: # python 3
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from urllib.parse import urlparse
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except ImportError: # python 2
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from urlparse import urlparse
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try:
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# Python >= 3.3
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from unittest import mock
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except ImportError:
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# Python < 3.3
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import mock
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# class A addresses can't have first octet of 0
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unrouted_socks_server = "0.0.0.1"
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unrouted_email_server = "0.0.0.1"
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# the last user port, reserved by IANA
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unused_port = "49151"
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class GetEmailCommonTests(TestCase):
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# tests correct syntax for command line option
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def test_get_email_quiet_option(self):
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"""Test quiet option is properly propagated"""
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with mock.patch('helpdesk.management.commands.get_email.process_email') as mocked_processemail:
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call_command('get_email', quiet=True)
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mocked_processemail.assert_called_with(quiet=True)
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call_command('get_email')
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mocked_processemail.assert_called_with(quiet=False)
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class GetEmailParametricTemplate(object):
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"""TestCase that checks email functionality across methods and socks configs."""
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def setUp(self):
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self.temp_logdir = mkdtemp()
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kwargs = {
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"title": 'Queue 1',
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"slug": 'QQ',
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"allow_public_submission": True,
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"allow_email_submission": True,
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"email_box_type": self.method,
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"logging_dir": self.temp_logdir,
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"logging_type": 'none'
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}
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if self.method == 'local':
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kwargs["email_box_local_dir"] = '/var/lib/mail/helpdesk/'
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else:
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kwargs["email_box_host"] = unrouted_email_server
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kwargs["email_box_port"] = unused_port
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if self.socks:
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kwargs["socks_proxy_type"] = self.socks
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kwargs["socks_proxy_host"] = unrouted_socks_server
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kwargs["socks_proxy_port"] = unused_port
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self.queue_public = Queue.objects.create(**kwargs)
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def tearDown(self):
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rmtree(self.temp_logdir)
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def test_read_plain_email(self):
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"""Tests reading plain text emails from a queue and creating tickets.
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For each email source supported, we mock the backend to provide
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authentically formatted responses containing our test data."""
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# example email text from Django docs: https://docs.djangoproject.com/en/1.10/ref/unicode/
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test_email_from = "Arnbjörg Ráðormsdóttir <arnbjorg@example.com>"
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test_email_subject = "My visit to Sør-Trøndelag"
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test_email_body = "Unicode helpdesk comment with an s-hat (ŝ) via email."
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test_email = "To: helpdesk@example.com\nFrom: " + test_email_from + "\nSubject: " + test_email_subject + "\n\n" + test_email_body
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test_mail_len = len(test_email)
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if self.socks:
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from socks import ProxyConnectionError
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with self.assertRaisesRegexp(ProxyConnectionError, '%s:%s' % (unrouted_socks_server, unused_port)):
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call_command('get_email')
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else:
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# Test local email reading
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if self.method == 'local':
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with mock.patch('helpdesk.management.commands.get_email.listdir') as mocked_listdir, \
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mock.patch('helpdesk.management.commands.get_email.isfile') as mocked_isfile, \
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mock.patch('builtins.open' if six.PY3 else '__builtin__.open', mock.mock_open(read_data=test_email)):
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mocked_isfile.return_value = True
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mocked_listdir.return_value = ['filename1', 'filename2']
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call_command('get_email')
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mocked_listdir.assert_called_with('/var/lib/mail/helpdesk/')
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mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename1')
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mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename2')
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elif self.method == 'pop3':
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# mock poplib.POP3's list and retr methods to provide responses as per RFC 1939
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pop3_emails = {
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'1': ("+OK", test_email.split('\n')),
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'2': ("+OK", test_email.split('\n')),
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}
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pop3_mail_list = ("+OK 2 messages", ("1 %d" % test_mail_len, "2 %d" % test_mail_len))
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mocked_poplib_server = mock.Mock()
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mocked_poplib_server.list = mock.Mock(return_value=pop3_mail_list)
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mocked_poplib_server.retr = mock.Mock(side_effect=lambda x: pop3_emails[x])
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with mock.patch('helpdesk.management.commands.get_email.poplib', autospec=True) as mocked_poplib:
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mocked_poplib.POP3 = mock.Mock(return_value=mocked_poplib_server)
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call_command('get_email')
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elif self.method == 'imap':
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# mock imaplib.IMAP4's search and fetch methods with responses from RFC 3501
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imap_emails = {
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"1": ("OK", (("1", test_email),)),
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"2": ("OK", (("2", test_email),)),
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}
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imap_mail_list = ("OK", ("1 2",))
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mocked_imaplib_server = mock.Mock()
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mocked_imaplib_server.search = mock.Mock(return_value=imap_mail_list)
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# we ignore the second arg as the data item/mime-part is constant (RFC822)
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mocked_imaplib_server.fetch = mock.Mock(side_effect=lambda x, _: imap_emails[x])
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with mock.patch('helpdesk.management.commands.get_email.imaplib', autospec=True) as mocked_imaplib:
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mocked_imaplib.IMAP4 = mock.Mock(return_value=mocked_imaplib_server)
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call_command('get_email')
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ticket1 = get_object_or_404(Ticket, pk=1)
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self.assertEqual(ticket1.ticket_for_url, "QQ-%s" % ticket1.id)
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self.assertEqual(ticket1.title, test_email_subject)
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self.assertEqual(ticket1.description, test_email_body)
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ticket2 = get_object_or_404(Ticket, pk=2)
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self.assertEqual(ticket2.ticket_for_url, "QQ-%s" % ticket2.id)
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self.assertEqual(ticket2.title, test_email_subject)
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self.assertEqual(ticket2.description, test_email_body)
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def test_read_html_multipart_email(self):
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"""Tests reading multipart MIME (HTML body and plain text alternative)
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emails from a queue and creating tickets.
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For each email source supported, we mock the backend to provide
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authentically formatted responses containing our test data."""
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# example email text from Python docs: https://docs.python.org/3/library/email-examples.html
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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me = "my@example.com"
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you = "your@example.com"
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subject = "Link"
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# Create message container - the correct MIME type is multipart/alternative.
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msg = MIMEMultipart('alternative')
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msg['Subject'] = subject
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msg['From'] = me
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msg['To'] = you
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# Create the body of the message (a plain-text and an HTML version).
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text = "Hi!\nHow are you?\nHere is the link you wanted:\nhttps://www.python.org"
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html = """\
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<html>
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<head></head>
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<body>
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<p>Hi!<br>
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How are you?<br>
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Here is the <a href="https://www.python.org">link</a> you wanted.
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</p>
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</body>
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</html>
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"""
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# Record the MIME types of both parts - text/plain and text/html.
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part1 = MIMEText(text, 'plain')
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part2 = MIMEText(html, 'html')
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# Attach parts into message container.
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# According to RFC 2046, the last part of a multipart message, in this case
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# the HTML message, is best and preferred.
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msg.attach(part1)
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msg.attach(part2)
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test_mail_len = len(msg)
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if self.socks:
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from socks import ProxyConnectionError
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with self.assertRaisesRegexp(ProxyConnectionError, '%s:%s' % (unrouted_socks_server, unused_port)):
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call_command('get_email')
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else:
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# Test local email reading
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if self.method == 'local':
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with mock.patch('helpdesk.management.commands.get_email.listdir') as mocked_listdir, \
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mock.patch('helpdesk.management.commands.get_email.isfile') as mocked_isfile, \
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mock.patch('builtins.open' if six.PY3 else '__builtin__.open', mock.mock_open(read_data=msg.as_string())):
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mocked_isfile.return_value = True
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mocked_listdir.return_value = ['filename1', 'filename2']
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call_command('get_email')
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mocked_listdir.assert_called_with('/var/lib/mail/helpdesk/')
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mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename1')
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mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename2')
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elif self.method == 'pop3':
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# mock poplib.POP3's list and retr methods to provide responses as per RFC 1939
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pop3_emails = {
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'1': ("+OK", msg.as_string().split('\n')),
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'2': ("+OK", msg.as_string().split('\n')),
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}
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pop3_mail_list = ("+OK 2 messages", ("1 %d" % test_mail_len, "2 %d" % test_mail_len))
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mocked_poplib_server = mock.Mock()
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mocked_poplib_server.list = mock.Mock(return_value=pop3_mail_list)
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mocked_poplib_server.retr = mock.Mock(side_effect=lambda x: pop3_emails[x])
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with mock.patch('helpdesk.management.commands.get_email.poplib', autospec=True) as mocked_poplib:
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mocked_poplib.POP3 = mock.Mock(return_value=mocked_poplib_server)
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call_command('get_email')
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elif self.method == 'imap':
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# mock imaplib.IMAP4's search and fetch methods with responses from RFC 3501
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imap_emails = {
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"1": ("OK", (("1", msg.as_string()),)),
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"2": ("OK", (("2", msg.as_string()),)),
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}
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imap_mail_list = ("OK", ("1 2",))
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mocked_imaplib_server = mock.Mock()
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mocked_imaplib_server.search = mock.Mock(return_value=imap_mail_list)
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# we ignore the second arg as the data item/mime-part is constant (RFC822)
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mocked_imaplib_server.fetch = mock.Mock(side_effect=lambda x, _: imap_emails[x])
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with mock.patch('helpdesk.management.commands.get_email.imaplib', autospec=True) as mocked_imaplib:
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mocked_imaplib.IMAP4 = mock.Mock(return_value=mocked_imaplib_server)
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call_command('get_email')
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ticket1 = get_object_or_404(Ticket, pk=1)
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self.assertEqual(ticket1.ticket_for_url, "QQ-%s" % ticket1.id)
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self.assertEqual(ticket1.title, subject)
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# plain text should become description
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self.assertEqual(ticket1.description, text)
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# HTML MIME part should be attached to follow up
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followup1 = get_object_or_404(FollowUp, pk=1)
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self.assertEqual(followup1.ticket.id, 1)
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attach1 = get_object_or_404(Attachment, pk=1)
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self.assertEqual(attach1.followup.id, 1)
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self.assertEqual(attach1.filename, 'email_html_body.html')
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ticket2 = get_object_or_404(Ticket, pk=2)
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self.assertEqual(ticket2.ticket_for_url, "QQ-%s" % ticket2.id)
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self.assertEqual(ticket2.title, subject)
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# plain text should become description
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self.assertEqual(ticket2.description, text)
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# HTML MIME part should be attached to follow up
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followup2 = get_object_or_404(FollowUp, pk=2)
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self.assertEqual(followup2.ticket.id, 2)
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attach2 = get_object_or_404(Attachment, pk=2)
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self.assertEqual(attach2.followup.id, 2)
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self.assertEqual(attach2.filename, 'email_html_body.html')
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# build matrix of test cases
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case_methods = [c[0] for c in Queue._meta.get_field('email_box_type').choices]
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case_socks = [False] + [c[0] for c in Queue._meta.get_field('socks_proxy_type').choices]
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case_matrix = list(itertools.product(case_methods, case_socks))
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# Populate TestCases from the matrix of parameters
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thismodule = sys.modules[__name__]
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for method, socks in case_matrix:
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if method == "local" and socks:
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continue
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socks_str = "Nosocks"
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if socks:
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socks_str = socks.capitalize()
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test_name = str(
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"TestGetEmail%s%s" % (method.capitalize(), socks_str))
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cl = type(test_name, (GetEmailParametricTemplate, TestCase,), {
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"method": method,
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"socks": socks})
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setattr(thismodule, test_name, cl)
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