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[tor-commits] [bridgedb/master] Cleanup b.e.server.MailDelivery unittests.
commit ec15fd9506548c06869c4d65f22ba0550545da6b
Author: Isis Lovecruft <isis@xxxxxxxxxxxxxx>
Date: Thu May 29 18:17:24 2014 +0000
Cleanup b.e.server.MailDelivery unittests.
---
lib/bridgedb/test/test_email_server.py | 148 +++++++++++++++++++++++++-------
1 file changed, 118 insertions(+), 30 deletions(-)
diff --git a/lib/bridgedb/test/test_email_server.py b/lib/bridgedb/test/test_email_server.py
index 32c40ac..7015339 100644
--- a/lib/bridgedb/test/test_email_server.py
+++ b/lib/bridgedb/test/test_email_server.py
@@ -32,6 +32,10 @@ from bridgedb.test.util import TestCaseMixin
from twisted.python import log
from twisted.internet import defer
from twisted.internet import reactor
+from twisted.mail.smtp import SMTPBadRcpt
+from twisted.mail.smtp import SMTPBadSender
+from twisted.mail.smtp import User
+from twisted.mail.smtp import Address
from twisted.test import proto_helpers
from twisted.trial import unittest
@@ -417,68 +421,152 @@ class MailMessageTests(unittest.TestCase):
return ret
-class MailDeliveryTest(unittest.TestCase):
+class MailDeliveryTests(unittest.TestCase):
"""Unittests for :class:`email.server.MailDelivery`."""
def setUp(self):
+ """Set up our :class:`server.MailDelivery` instance, and reset the
+ following ``TestCase`` attributes to ``None``:
+ - ``helo``
+ - ``proto``
+ - ``origin``
+ - ``user``
+ """
self.config = _createConfig()
self.context = _createMailContext(self.config)
self.delivery = server.MailDelivery()
- self.helo = ('fubar.example.com', '127.0.0.1')
- self.origin = server.smtp.Address('user@xxxxxxxxxxx')
- self.users = [server.smtp.User('bridges', self.helo, None, self.origin),]
- def tets_MailDelivery(self):
+ self.helo = None
+ self.proto = None
+ self.origin = None
+ self.user = None
+
+ def tearDown(self):
+ """Reset all TestCase instance attributes between each test run."""
+ self.helo = None
+ self.proto = None
+ self.origin = None
+ self.user = None
+
+ def _createProtocolWithHost(self, host):
+ """Mock a Protocol which has a ``host`` attribute.
+
+ We don't currently use any of the ``IProtocol`` methods of the
+ returned ``twisted.test.proto_helpers.AccumulatingProtocol``, and so
+ this could be any class, although a mocked ``IProtocol`` implementer
+ was chosen for completeness and realism's sakes.
+
+ :param str host: A domain name or IP address.
+ :rtype: :api:`twisted.test.proto_helpers.AccumulatingProtocol`
+ :returns: A Protocol instance which has its ``host`` attribute set to
+ the given **host**, so that an :api:`twisted.mail.smtp.User` can
+ be constructed with it.
+ """
+ self.proto = proto_helpers.AccumulatingProtocol()
+ self.proto.host = host
+
+ def _createUser(self, username, domain, ipaddress):
+ """Create a ``twisted.mail.smtp.User`` for testing.
+
+ :param str username: The local part of the client's email address.
+ :param str domain: The host part of the client's email address.
+ :param str ipaddress: The IP address of the client's mail server.
+ """
+ self.helo = (domain, ipaddress)
+ self._createProtocolWithHost(domain)
+ self.origin = Address('@'.join((username, domain,)))
+ self.user = User(username, self.helo, self.proto, self.origin)
+
+ def _setUpMAILFROM(self):
+ """Set up the parameters for emulating a connected client sending a
+ SMTP 'MAIL FROM:' command to us.
+
+ The default is to emulate sending: ``MAIL FROM: client@xxxxxxxxxxx``.
+ """
+ self.helo = ('localhost', '127.0.0.1')
+ self.origin = server.smtp.Address('client@xxxxxxxxxxx')
+ self.delivery.setBridgeDBContext(self.context)
+
+ def _setUpRCPTTO(self, username=None):
+ """Set up the parameters for emulating a connected client sending a
+ SMTP 'RCPT TO:' command to us.
+
+ The default is to emulate sending: ``RCPT TO: bridges@localhost``.
+ """
+ name = username if username is not None else self.config.EMAIL_USERNAME
+ self._createUser(name, 'localhost', '127.0.0.1')
+ self.delivery.setBridgeDBContext(self.context)
+
+ def test_MailDelivery_init(self):
+ """After calling :meth:`server.MailDelivery.__init__`, we should have a
+ :class:`server.MailDelivery` object instance.
+ """
self.assertIsInstance(self.delivery, server.MailDelivery)
def test_MailDelivery_setBridgeDBContext(self):
+ """Calling :meth:`server.MailDelivery.setBridgeDBContext` should set
+ the :ivar:`MailDelivery.context` attribute.
+
+ The ``MailDelivery.context`` should be a :class:`server.MailContext`,
+ and it should have relevant settings from the config file stored
+ within it.
+ """
self.delivery.setBridgeDBContext(self.context)
+ self.assertIsInstance(self.delivery.context, server.MailContext)
+ self.assertEqual(self.delivery.context.smtpFromAddr,
+ self.config.EMAIL_SMTP_FROM_ADDR)
def test_MailDelivery_receivedHeader(self):
- self.delivery.setBridgeDBContext(self.context)
- hdr = self.delivery.receivedHeader(self.helo, self.origin, self.users)
- self.assertTrue(hdr)
- self.assertSubstring("Received: from fubar.example.com", hdr)
+ """The email resulting from a MailDelivery, the latter received from
+ ``'client@xxxxxxxxxxx'`` should contain a header stating:
+ ``'Received: from example.com'``.
+ """
+ self._createUser('client', 'example.com', '127.0.0.1')
+ hdr = self.delivery.receivedHeader(self.helo, self.origin, [self.user,])
+ self.assertSubstring("Received: from example.com", hdr)
def test_MailDelivery_validateFrom(self):
"""A valid origin should be stored as ``MailDelivery.fromCanonical``."""
- self.delivery.setBridgeDBContext(self.context)
+ self._setUpMAILFROM()
self.delivery.validateFrom(self.helo, self.origin)
self.assertEqual(self.delivery.fromCanonical, 'example.com')
def test_MailDelivery_validateFrom_unsupportedDomain(self):
"""A domain not in our canon should raise a SMTPBadSender."""
- self.delivery.setBridgeDBContext(self.context)
- helo = ('yo.mama', '0.0.0.0')
+ self._setUpMAILFROM()
origin = server.smtp.Address('throwing.pickles@xxxxxxx')
- self.assertRaises(server.smtp.SMTPBadSender,
- self.delivery.validateFrom, helo, origin)
+ self.assertRaises(SMTPBadSender,
+ self.delivery.validateFrom, self.helo, origin)
- def test_MailDelivery_validateFrom_badOriginType(self):
- """A non t.m.smtp.Address origin should raise cause an Exception."""
- self.delivery.setBridgeDBContext(self.context)
- helo = ('yo.mama', '0.0.0.0')
+ def test_MailDelivery_validateFrom_origin_notAdressType(self):
+ """A non ``twisted.mail.smtp.Address`` origin should raise an
+ AttributeError exception.
+ """
+ self._setUpMAILFROM()
origin = 'throwing.pickles@xxxxxxx'
- self.delivery.validateFrom(helo, origin)
+ self.delivery.validateFrom(self.helo, origin)
def test_MailDelivery_validateTo(self):
"""Should return a callable that results in a MailMessage."""
- self.delivery.setBridgeDBContext(self.context)
- ret = self.delivery.validateTo(self.users[0])
- self.assertIsInstance(ret, types.FunctionType)
+ self._setUpRCPTTO()
+ validated = self.delivery.validateTo(self.user)
+ self.assertIsInstance(validated, types.FunctionType)
+ self.assertIsInstance(validated(), server.MailMessage)
def test_MailDelivery_validateTo_plusAddress(self):
"""Should return a callable that results in a MailMessage."""
- self.delivery.setBridgeDBContext(self.context)
- user = server.smtp.User('bridges+ar', self.helo, None, self.origin)
- ret = self.delivery.validateTo(user)
- self.assertIsInstance(ret, types.FunctionType)
+ self._setUpRCPTTO('bridges+ar')
+ validated = self.delivery.validateTo(self.user)
+ self.assertIsInstance(validated, types.FunctionType)
+ self.assertIsInstance(validated(), server.MailMessage)
def test_MailDelivery_validateTo_badUsername(self):
- self.delivery.setBridgeDBContext(self.context)
- user = server.smtp.User('yo.mama', self.helo, None, self.origin)
- self.assertRaises(server.smtp.SMTPBadRcpt,
- self.delivery.validateTo, user)
+ """A :class:`server.MailDelivery` which sends a SMTP
+ ``RCPT TO: yo.mama@localhost`` should raise a
+ ``twisted.mail.smtp.SMTPBadRcpt`` exception.
+ """
+ self._setUpRCPTTO('yo.mama')
+ self.assertRaises(SMTPBadRcpt, self.delivery.validateTo, self.user)
class SMTPTestCaseMixin(TestCaseMixin):
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