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[tor-commits] [bridgedb/develop] Move email unittest helpers to new bridgedb.test.email_helpers module.



commit 7840735aca65d6ed1221e36dfb3bb4174f7f3c3b
Author: Isis Lovecruft <isis@xxxxxxxxxxxxxx>
Date:   Mon Jun 2 20:23:55 2014 +0000

    Move email unittest helpers to new bridgedb.test.email_helpers module.
    
     * ADD a new mocked EmailBasedDistributor, called
       DummyEmailDistributorWithState, which keeps state (for sending out
       rate limiting email and such) to bridgedb.test.email_helpers.
---
 lib/bridgedb/test/email_helpers.py     |  160 ++++++++++++++++++++++++++++++++
 lib/bridgedb/test/test_email_server.py |   68 --------------
 2 files changed, 160 insertions(+), 68 deletions(-)

diff --git a/lib/bridgedb/test/email_helpers.py b/lib/bridgedb/test/email_helpers.py
new file mode 100644
index 0000000..59b3aa8
--- /dev/null
+++ b/lib/bridgedb/test/email_helpers.py
@@ -0,0 +1,160 @@
+# -*- coding: utf-8 -*-
+#
+# This file is part of BridgeDB, a Tor bridge distribution system.
+#
+# :authors: Isis Lovecruft 0xA3ADB67A2CDB8B35 <isis@xxxxxxxxxxxxxx>
+#           please also see AUTHORS file
+# :copyright: (c) 2013, Isis Lovecruft
+#             (c) 2007-2013, The Tor Project, Inc.
+#             (c) 2007-2013, all entities within the AUTHORS file
+# :license: see LICENSE for licensing information
+
+
+"""Helpers for testing the email distributor and its servers."""
+
+
+import io
+
+from bridgedb.Dist import IgnoreEmail
+from bridgedb.Dist import TooSoonEmail
+from bridgedb.persistent import Conf
+from bridgedb.email.server import MailServerContext
+from bridgedb.schedule import Unscheduled
+from bridgedb.test.test_HTTPServer import DummyBridge
+
+
+EMAIL_DIST = True
+EMAIL_INCLUDE_FINGERPRINTS = True
+EMAIL_GPG_SIGNING_ENABLED = True
+EMAIL_GPG_SIGNING_KEY = 'TESTING.subkeys.sec'
+EMAIL_DOMAIN_MAP = {
+   'googlemail.com': 'gmail.com',
+   'mail.google.com': 'gmail.com',
+}
+EMAIL_DOMAIN_RULES = {
+   'gmail.com': ["ignore_dots", "dkim"],
+   'example.com': [],
+   'localhost': [],
+}
+EMAIL_DOMAINS = ["gmail.com", "example.com", "localhost"]
+EMAIL_USERNAME = "bridges"
+EMAIL_SMTP_HOST = "127.0.0.1"
+EMAIL_SMTP_PORT = 25
+EMAIL_SMTP_FROM_ADDR = "bridges@localhost"
+EMAIL_N_BRIDGES_PER_ANSWER = 3
+EMAIL_FROM_ADDR = "bridges@localhost"
+EMAIL_BIND_IP = "127.0.0.1"
+EMAIL_PORT = 5225
+
+TEST_CONFIG_FILE = io.StringIO(unicode("""\
+EMAIL_DIST = %s
+EMAIL_INCLUDE_FINGERPRINTS = %s
+EMAIL_GPG_SIGNING_ENABLED = %s
+EMAIL_GPG_SIGNING_KEY = %s
+EMAIL_DOMAIN_MAP = %s
+EMAIL_DOMAIN_RULES = %s
+EMAIL_DOMAINS = %s
+EMAIL_USERNAME = %s
+EMAIL_SMTP_HOST = %s
+EMAIL_SMTP_PORT = %s
+EMAIL_SMTP_FROM_ADDR = %s
+EMAIL_N_BRIDGES_PER_ANSWER = %s
+EMAIL_FROM_ADDR = %s
+EMAIL_BIND_IP = %s
+EMAIL_PORT = %s
+""" % (repr(EMAIL_DIST),
+       repr(EMAIL_INCLUDE_FINGERPRINTS),
+       repr(EMAIL_GPG_SIGNING_ENABLED),
+       repr(EMAIL_GPG_SIGNING_KEY),
+       repr(EMAIL_DOMAIN_MAP),
+       repr(EMAIL_DOMAIN_RULES),
+       repr(EMAIL_DOMAINS),
+       repr(EMAIL_USERNAME),
+       repr(EMAIL_SMTP_HOST),
+       repr(EMAIL_SMTP_PORT),
+       repr(EMAIL_SMTP_FROM_ADDR),
+       repr(EMAIL_N_BRIDGES_PER_ANSWER),
+       repr(EMAIL_FROM_ADDR),
+       repr(EMAIL_BIND_IP),
+       repr(EMAIL_PORT))))
+
+
+def _createConfig(configFile=TEST_CONFIG_FILE):
+    configuration = {}
+    TEST_CONFIG_FILE.seek(0)
+    compiled = compile(configFile.read(), '<string>', 'exec')
+    exec compiled in configuration
+    config = Conf(**configuration)
+    return config
+
+def _createMailServerContext(config=None, distributor=None):
+    if not config:
+        config = _createConfig()
+
+    if not distributor:
+        distributor = DummyEmailDistributor(
+            domainmap=config.EMAIL_DOMAIN_MAP,
+            domainrules=config.EMAIL_DOMAIN_RULES)
+
+    context = MailServerContext(config, distributor, Unscheduled())
+    return context
+
+
+class DummyEmailDistributor(object):
+    """A mocked :class:`bridgedb.Dist.EmailBasedDistributor` which is used to
+    test :class:`bridgedb.EmailServer`.
+    """
+
+    def __init__(self, key=None, domainmap=None, domainrules=None,
+                 answerParameters=None):
+        """None of the parameters are really used, â?? they are just there to retain an
+        identical method signature.
+        """
+        self.key = self.__class__.__name__
+        self.domainmap = domainmap
+        self.domainrules = domainrules
+        self.answerParameters = answerParameters
+
+    def getBridgesForEmail(self, emailaddress, epoch, N=1, parameters=None,
+                           countryCode=None, bridgeFilterRules=None):
+        return [DummyBridge() for _ in xrange(N)]
+
+    def cleanDatabase(self):
+        pass
+
+
+class DummyEmailDistributorWithState(DummyEmailDistributor):
+    """A mocked :class:`bridgedb.Dist.EmailBasedDistributor` which raises
+    :exc:`bridgedb.Dist.TooSoonEmail` on the second email and
+    :exc:`bridgedb.Dist.IgnoreEmail` on the third.
+
+    Note that the state tracking is done in a really dumb way. For example, we
+    currently don't consider requests for help text or GnuPG keys to be a
+    "real" request, so in the real email distributor they won't trigger either
+    a TooSoonEmail or IgnoreEmail. Here we only track the total number of
+    *any* type of request per client.
+    """
+
+    def __init__(self, *args, **kwargs):
+        super(DummyEmailDistributorWithState, self).__init__()
+        self.alreadySeen = {}
+
+    def getBridgesForEmail(self, emailaddress, epoch, N=1, parameters=None,
+                           countryCode=None, bridgeFilterRules=None):
+        # Keep track of the number of times we've seen a client.
+        if not emailaddress in self.alreadySeen.keys():
+            self.alreadySeen[emailaddress] = 0
+        self.alreadySeen[emailaddress] += 1
+
+        if self.alreadySeen[emailaddress] <= 1:
+            return [DummyBridge() for _ in xrange(N)]
+        elif self.alreadySeen[emailaddress] == 2:
+            raise TooSoonEmail(
+                "Seen client '%s' %d times"
+                % (emailaddress, self.alreadySeen[emailaddress]),
+                emailaddress)
+        else:
+            raise IgnoreEmail(
+                "Seen client '%s' %d times"
+                % (emailaddress, self.alreadySeen[emailaddress]),
+                emailaddress)
diff --git a/lib/bridgedb/test/test_email_server.py b/lib/bridgedb/test/test_email_server.py
index 7aff08e..198cb27 100644
--- a/lib/bridgedb/test/test_email_server.py
+++ b/lib/bridgedb/test/test_email_server.py
@@ -40,74 +40,6 @@ from twisted.test import proto_helpers
 from twisted.trial import unittest
 
 
-TEST_CONFIG_FILE = io.StringIO(unicode("""\
-EMAIL_DIST = True
-EMAIL_INCLUDE_FINGERPRINTS = True
-EMAIL_GPG_SIGNING_ENABLED = True
-EMAIL_GPG_SIGNING_KEY = 'TESTING.subkeys.sec'
-EMAIL_DOMAIN_MAP = {
-   'googlemail.com': 'gmail.com',
-   'mail.google.com': 'gmail.com',
-}
-EMAIL_DOMAIN_RULES = {
-   'gmail.com': ["ignore_dots", "dkim"],
-   'example.com': [],
-   'localhost': [],
-}
-EMAIL_DOMAINS = ["gmail.com", "example.com", "localhost"]
-EMAIL_USERNAME = "bridges"
-EMAIL_SMTP_HOST = "127.0.0.1"
-EMAIL_SMTP_PORT = 25
-EMAIL_SMTP_FROM_ADDR = "bridges@localhost"
-EMAIL_N_BRIDGES_PER_ANSWER = 3
-EMAIL_FROM_ADDR = "bridges@localhost"
-EMAIL_BIND_IP = "127.0.0.1"
-EMAIL_PORT = 5225
-"""))
-
-
-def _createConfig(configFile=TEST_CONFIG_FILE):
-    configuration = {}
-    TEST_CONFIG_FILE.seek(0)
-    compiled = compile(configFile.read(), '<string>', 'exec')
-    exec compiled in configuration
-    config = Conf(**configuration)
-    return config
-
-def _createMailContext(config=None, distributor=None):
-    if not config:
-        config = _createConfig()
-
-    if not distributor:
-        distributor = DummyEmailDistributor(
-            domainmap=config.EMAIL_DOMAIN_MAP,
-            domainrules=config.EMAIL_DOMAIN_RULES)
-
-    context = server.MailContext(config, distributor, Unscheduled())
-    return context
-
-
-class DummyEmailDistributor(object):
-    """A mocked :class:`bridgedb.Dist.EmailBasedDistributor` which is used to
-    test :class:`bridgedb.EmailServer`.
-    """
-
-    def __init__(self, key=None, domainmap=None, domainrules=None,
-                 answerParameters=None):
-        """None of the parameters are really used, â?? they are just there to retain an
-        identical method signature.
-        """
-        self.key = self.__class__.__name__
-        self.domainmap = domainmap
-        self.domainrules = domainrules
-        self.answerParameters = answerParameters
-
-    def getBridgesForEmail(self, emailaddress, epoch, N=1, parameters=None,
-                           countryCode=None, bridgeFilterRules=None):
-        return [DummyBridge() for _ in xrange(N)]
-
-    def cleanDatabase(self):
-        pass
 
 
 class CheckDKIMTests(unittest.TestCase):



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