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[tor-commits] [bridgedb/develop] Add unittests for SMTP protocol responses of b.e.s.MailFactory.
commit 6747778b3f29b298c9f8e6488e2599be21aee987
Author: Isis Lovecruft <isis@xxxxxxxxxxxxxx>
Date: Tue May 20 20:14:40 2014 +0000
Add unittests for SMTP protocol responses of b.e.s.MailFactory.
These tests emulate, in Twisted, what the `telnet-an-email` [0] script
did by speaking raw SMTP over telnet in an embarrassing pexpect script
which was never committed for fear being chained in stocks and having
rotten tomatoes thrown at me.
Instead of that telnet nonsense, these tests use mocked `ITransport`s
from `twisted.test.proto_helpers` to create a transport layer for
sending SMTP protocol commands.
* FIXES part of #9874 by automating some manual portions of the steps
required for testing BridgeDB's email distributor.
[0]: https://trac.torproject.org/projects/tor/attachment/ticket/5232/telnet-an-email
---
lib/bridgedb/test/test_email_server.py | 122 +++++++++++++++++++++++++++++++-
1 file changed, 121 insertions(+), 1 deletion(-)
diff --git a/lib/bridgedb/test/test_email_server.py b/lib/bridgedb/test/test_email_server.py
index 717a006..5f92353 100644
--- a/lib/bridgedb/test/test_email_server.py
+++ b/lib/bridgedb/test/test_email_server.py
@@ -17,6 +17,7 @@ import io
import copy
import os
import shutil
+import socket
import types
from bridgedb.Dist import EmailBasedDistributor
@@ -47,8 +48,9 @@ EMAIL_DOMAIN_MAP = {
EMAIL_DOMAIN_RULES = {
'gmail.com': ["ignore_dots", "dkim"],
'example.com': [],
+ 'localhost': [],
}
-EMAIL_DOMAINS = ["gmail.com", "example.com"]
+EMAIL_DOMAINS = ["gmail.com", "example.com", "localhost"]
EMAIL_USERNAME = "bridges"
EMAIL_SMTP_HOST = "127.0.0.1"
EMAIL_SMTP_PORT = 25
@@ -59,6 +61,7 @@ EMAIL_BIND_IP = "127.0.0.1"
EMAIL_PORT = 5225
"""))
+
def _createConfig(configFile=TEST_CONFIG_FILE):
configuration = {}
TEST_CONFIG_FILE.seek(0)
@@ -529,6 +532,123 @@ class SMTPTestCaseMixin(TestCaseMixin):
self.assertSubstring(expected, recv)
+class MailFactoryTests(SMTPTestCaseMixin, unittest.TestCase):
+ """Unittests for :class:`bridgedb.email.server.MailFactory`."""
+
+ def setUp(self):
+ """Set up a localhost MailFactory handler incoming SMTP connections."""
+ config = _createConfig()
+ context = _createMailContext(config)
+ factory = server.MailFactory(context)
+ factory.protocol.timeout = None # Otherwise the reactor gets dirty
+
+ self.smtpFromAddr = context.smtpFromAddr # 'bridges@localhost'
+ self.proto = factory.buildProtocol(('127.0.0.1', 0))
+ self.transport = proto_helpers.StringTransportWithDisconnection()
+ self.proto.setTimeout(None)
+ # Set the protocol; StringTransportWithDisconnection is a bit janky:
+ self.transport.protocol = self.proto
+ self.proto.makeConnection(self.transport)
+
+ def test_MailFactory_HELO_localhost(self):
+ """Send 'HELO localhost' to the server's transport."""
+ ip = self.transport.getPeer().host
+ self._test(['HELO localhost'],
+ "Hello %s, nice to meet you" % ip)
+
+ def test_MailFactory_MAIL_FROM_testing_at_localhost(self):
+ """Send 'MAIL FROM: human@localhost'."""
+ self._test(['HELO localhost',
+ 'MAIL FROM: testing@localhost'],
+ "250 Sender address accepted")
+
+ def test_MailFactory_MAIL_FROM_testing_at_gethostname(self):
+ """Send 'MAIL FROM: human@hostname' for the local hostname."""
+ hostname = socket.gethostname() or "computer"
+ self._test(['HELO localhost',
+ 'MAIL FROM: testing@%s' % hostname],
+ "250 Sender address accepted")
+
+ def test_MailFactory_MAIL_FROM_testing_at_ipaddress(self):
+ """Send 'MAIL FROM: human@ipaddr' for the loopback IP address."""
+ hostname = socket.gethostbyname(socket.gethostname()) or "127.0.0.1"
+ self._test(['HELO localhost',
+ 'MAIL FROM: testing@%s' % hostname],
+ "250 Sender address accepted")
+
+ def test_MailFactory_RCPT_TO_config_EMAIL_SMTP_FROM_ADDR(self):
+ """Send 'RCPT TO:' with the context.smtpFromAddr."""
+ self._test(['HELO localhost',
+ 'MAIL FROM: testing@localhost',
+ 'RCPT TO: %s' % self.smtpFromAddr],
+ "250 Recipient address accepted")
+
+ def test_MailFactory_DATA_blank(self):
+ """A DATA command with nothing after it should receive::
+ '354 Continue'
+ in response.
+ """
+ self._test(['HELO localhost',
+ 'MAIL FROM: testing@localhost',
+ 'RCPT TO: %s' % self.smtpFromAddr,
+ "DATA"],
+ "354 Continue")
+
+ def test_MailFactory_DATA_get_help(self):
+ """A DATA command with ``'get help'`` in the email body should
+ receive::
+ '250 Delivery in progress'
+ in response.
+ """
+ emailText = self._buildEmail(body="get help")
+ self._test(['HELO localhost',
+ 'MAIL FROM: testing@localhost',
+ 'RCPT TO: %s' % self.smtpFromAddr,
+ "DATA", emailText],
+ "250 Delivery in progress",
+ noisy=True)
+
+ def test_MailFactory_DATA_get_transport_obfs3(self):
+ """A DATA command with ``'get transport obfs3'`` in the email body
+ should receive::
+ '250 Delivery in progress'
+ in response.
+ """
+ emailText = self._buildEmail(body="get transport obfs3")
+ self._test(['HELO localhost',
+ 'MAIL FROM: testing@localhost',
+ 'RCPT TO: %s' % self.smtpFromAddr,
+ "DATA", emailText],
+ "250 Delivery in progress",
+ noisy=True)
+
+ def test_MailFactory_DATA_To_bridges_plus_zh_CN(self):
+ """Test sending to 'bridges+zh_CN' address for Chinese translations."""
+ # TODO: Add tests which use '+' syntax in mailTo in order to test
+ # email translations. Do this when some strings have been translated.
+ emailTo = list(self.smtpFromAddr.partition('@'))
+ emailTo.insert(1, '+zh_CN')
+ emailTo = ''.join(emailTo)
+ emailText = self._buildEmail(toAddr=emailTo)
+ self._test(['HELO localhost',
+ 'MAIL FROM: testing@localhost',
+ 'RCPT TO: %s' % emailTo,
+ "DATA", emailText],
+ "250 Delivery in progress",
+ noisy=True)
+
+ def test_MailFactory_DATA_get_bridges_QUIT(self):
+ """Test sending 'DATA' with 'get bridges', then sending 'QUIT'."""
+ emailText = self._buildEmail()
+ self._test(['HELO localhost',
+ 'MAIL FROM: testing@localhost',
+ 'RCPT TO: %s' % self.smtpFromAddr,
+ "DATA", emailText,
+ "QUIT"],
+ "221 See you later",
+ noisy=True)
+
+
class EmailServerServiceTests(SMTPTestCaseMixin, unittest.TestCase):
"""Unittests for :func:`bridgedb.email.server.addServer`."""
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