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Session tests
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Andrew Godwin
parent
1eb6a530d3
commit
2f01155bfd
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@ -24,7 +24,11 @@ def session_for_reply_channel(reply_channel):
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session_engine = import_module(getattr(settings, "CHANNEL_SESSION_ENGINE", settings.SESSION_ENGINE))
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if session_engine is signed_cookies:
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raise ValueError("You cannot use channels session functionality with signed cookie sessions!")
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return session_engine.SessionStore(session_key=session_key)
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# Force the instance to load in case it resets the session when it does
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instance = session_engine.SessionStore(session_key=session_key)
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instance._session.keys()
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instance._session_key = session_key
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return instance
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def channel_session(func):
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169
channels/tests/test_sessions.py
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169
channels/tests/test_sessions.py
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@ -0,0 +1,169 @@
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from __future__ import unicode_literals
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from django.conf import settings
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from django.test import override_settings
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from channels.exceptions import ConsumeLater
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from channels.message import Message
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from channels.sessions import channel_session, http_session, enforce_ordering, session_for_reply_channel
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from channels.tests import ChannelTestCase
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@override_settings(SESSION_ENGINE="django.contrib.sessions.backends.cache")
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class SessionTests(ChannelTestCase):
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"""
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Tests the channels session module.
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"""
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def test_session_for_reply_channel(self):
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"""
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Tests storing and retrieving values by reply_channel.
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"""
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session1 = session_for_reply_channel("test-reply-channel")
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session1["testvalue"] = 42
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session1.save(must_create=True)
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session2 = session_for_reply_channel("test-reply-channel")
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self.assertEqual(session2["testvalue"], 42)
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def test_channel_session(self):
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"""
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Tests the channel_session decorator
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"""
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# Construct message to send
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message = Message({"reply_channel": "test-reply"}, None, None)
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# Run through a simple fake consumer that assigns to it
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@channel_session
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def inner(message):
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message.channel_session["num_ponies"] = -1
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inner(message)
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# Test the session worked
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session2 = session_for_reply_channel("test-reply")
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self.assertEqual(session2["num_ponies"], -1)
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def test_channel_session_double(self):
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"""
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Tests the channel_session decorator detects being wrapped in itself
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and doesn't blow up.
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"""
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# Construct message to send
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message = Message({"reply_channel": "test-reply"}, None, None)
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# Run through a simple fake consumer that should trigger the error
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@channel_session
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@channel_session
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def inner(message):
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message.channel_session["num_ponies"] = -1
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inner(message)
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# Test the session worked
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session2 = session_for_reply_channel("test-reply")
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self.assertEqual(session2["num_ponies"], -1)
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def test_channel_session_no_reply(self):
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"""
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Tests the channel_session decorator detects no reply channel
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"""
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# Construct message to send
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message = Message({}, None, None)
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# Run through a simple fake consumer that should trigger the error
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@channel_session
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@channel_session
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def inner(message):
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message.channel_session["num_ponies"] = -1
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with self.assertRaises(ValueError):
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inner(message)
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def test_http_session(self):
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"""
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Tests that http_session correctly extracts a session cookie.
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"""
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# Make a session to try against
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session1 = session_for_reply_channel("test-reply")
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# Construct message to send
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message = Message({
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"reply_channel": "test-reply",
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"http_version": "1.1",
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"method": "GET",
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"path": "/test2/",
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"headers": {
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"host": b"example.com",
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"cookie": ("%s=%s" % (settings.SESSION_COOKIE_NAME, session1.session_key)).encode("ascii"),
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},
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}, None, None)
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# Run it through http_session, make sure it works (test double here too)
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@http_session
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@http_session
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def inner(message):
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message.http_session["species"] = "horse"
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inner(message)
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# Check value assignment stuck
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session2 = session_for_reply_channel("test-reply")
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self.assertEqual(session2["species"], "horse")
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def test_enforce_ordering_slight(self):
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"""
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Tests that slight mode of enforce_ordering works
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"""
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# Construct messages to send
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message0 = Message({"reply_channel": "test-reply-a", "order": 0}, None, None)
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message1 = Message({"reply_channel": "test-reply-a", "order": 1}, None, None)
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message2 = Message({"reply_channel": "test-reply-a", "order": 2}, None, None)
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# Run them in an acceptable slight order
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@enforce_ordering(slight=True)
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def inner(message):
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pass
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inner(message0)
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inner(message2)
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inner(message1)
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def test_enforce_ordering_slight_fail(self):
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"""
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Tests that slight mode of enforce_ordering fails on bad ordering
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"""
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# Construct messages to send
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message2 = Message({"reply_channel": "test-reply-e", "order": 2}, None, None)
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# Run them in an acceptable strict order
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@enforce_ordering(slight=True)
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def inner(message):
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pass
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with self.assertRaises(ConsumeLater):
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inner(message2)
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def test_enforce_ordering_strict(self):
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"""
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Tests that strict mode of enforce_ordering works
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"""
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# Construct messages to send
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message0 = Message({"reply_channel": "test-reply-b", "order": 0}, None, None)
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message1 = Message({"reply_channel": "test-reply-b", "order": 1}, None, None)
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message2 = Message({"reply_channel": "test-reply-b", "order": 2}, None, None)
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# Run them in an acceptable strict order
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@enforce_ordering
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def inner(message):
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pass
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inner(message0)
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inner(message1)
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inner(message2)
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def test_enforce_ordering_strict_fail(self):
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"""
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Tests that strict mode of enforce_ordering fails on bad ordering
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"""
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# Construct messages to send
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message0 = Message({"reply_channel": "test-reply-c", "order": 0}, None, None)
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message2 = Message({"reply_channel": "test-reply-c", "order": 2}, None, None)
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# Run them in an acceptable strict order
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@enforce_ordering
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def inner(message):
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pass
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inner(message0)
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with self.assertRaises(ConsumeLater):
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inner(message2)
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def test_enforce_ordering_fail_no_order(self):
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"""
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Makes sure messages with no "order" key fail
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"""
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message0 = Message({"reply_channel": "test-reply-d"}, None, None)
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@enforce_ordering(slight=True)
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def inner(message):
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pass
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with self.assertRaises(ValueError):
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inner(message0)
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