369 lines
13 KiB
Python
369 lines
13 KiB
Python
import base64
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from datetime import datetime, timedelta
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import pickle
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import shutil
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import tempfile
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from django.conf import settings
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from django.contrib.sessions.backends.db import SessionStore as DatabaseSession
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from django.contrib.sessions.backends.cache import SessionStore as CacheSession
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from django.contrib.sessions.backends.cached_db import SessionStore as CacheDBSession
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from django.contrib.sessions.backends.file import SessionStore as FileSession
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from django.contrib.sessions.models import Session
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from django.contrib.sessions.middleware import SessionMiddleware
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from django.core.exceptions import ImproperlyConfigured
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from django.http import HttpResponse
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from django.test import TestCase, RequestFactory
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from django.utils import unittest
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from django.utils.hashcompat import md5_constructor
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class SessionTestsMixin(object):
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# This does not inherit from TestCase to avoid any tests being run with this
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# class, which wouldn't work, and to allow different TestCase subclasses to
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# be used.
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backend = None # subclasses must specify
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def setUp(self):
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self.session = self.backend()
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def tearDown(self):
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# NB: be careful to delete any sessions created; stale sessions fill up
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# the /tmp (with some backends) and eventually overwhelm it after lots
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# of runs (think buildbots)
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self.session.delete()
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def test_new_session(self):
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self.assertFalse(self.session.modified)
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self.assertFalse(self.session.accessed)
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def test_get_empty(self):
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self.assertEqual(self.session.get('cat'), None)
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def test_store(self):
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self.session['cat'] = "dog"
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self.assertTrue(self.session.modified)
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self.assertEqual(self.session.pop('cat'), 'dog')
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def test_pop(self):
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self.session['some key'] = 'exists'
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# Need to reset these to pretend we haven't accessed it:
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self.accessed = False
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self.modified = False
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self.assertEqual(self.session.pop('some key'), 'exists')
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self.assertTrue(self.session.accessed)
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self.assertTrue(self.session.modified)
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self.assertEqual(self.session.get('some key'), None)
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def test_pop_default(self):
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self.assertEqual(self.session.pop('some key', 'does not exist'),
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'does not exist')
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self.assertTrue(self.session.accessed)
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self.assertFalse(self.session.modified)
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def test_setdefault(self):
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self.assertEqual(self.session.setdefault('foo', 'bar'), 'bar')
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self.assertEqual(self.session.setdefault('foo', 'baz'), 'bar')
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self.assertTrue(self.session.accessed)
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self.assertTrue(self.session.modified)
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def test_update(self):
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self.session.update({'update key': 1})
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self.assertTrue(self.session.accessed)
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self.assertTrue(self.session.modified)
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self.assertEqual(self.session.get('update key', None), 1)
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def test_has_key(self):
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self.session['some key'] = 1
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self.session.modified = False
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self.session.accessed = False
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self.assertTrue(self.session.has_key('some key'))
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self.assertTrue(self.session.accessed)
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self.assertFalse(self.session.modified)
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def test_values(self):
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self.assertEqual(self.session.values(), [])
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self.assertTrue(self.session.accessed)
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self.session['some key'] = 1
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self.assertEqual(self.session.values(), [1])
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def test_iterkeys(self):
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self.session['x'] = 1
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self.session.modified = False
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self.session.accessed = False
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i = self.session.iterkeys()
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self.assertTrue(hasattr(i, '__iter__'))
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self.assertTrue(self.session.accessed)
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self.assertFalse(self.session.modified)
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self.assertEqual(list(i), ['x'])
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def test_itervalues(self):
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self.session['x'] = 1
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self.session.modified = False
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self.session.accessed = False
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i = self.session.itervalues()
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self.assertTrue(hasattr(i, '__iter__'))
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self.assertTrue(self.session.accessed)
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self.assertFalse(self.session.modified)
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self.assertEqual(list(i), [1])
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def test_iteritems(self):
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self.session['x'] = 1
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self.session.modified = False
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self.session.accessed = False
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i = self.session.iteritems()
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self.assertTrue(hasattr(i, '__iter__'))
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self.assertTrue(self.session.accessed)
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self.assertFalse(self.session.modified)
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self.assertEqual(list(i), [('x',1)])
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def test_clear(self):
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self.session['x'] = 1
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self.session.modified = False
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self.session.accessed = False
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self.assertEqual(self.session.items(), [('x',1)])
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self.session.clear()
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self.assertEqual(self.session.items(), [])
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self.assertTrue(self.session.accessed)
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self.assertTrue(self.session.modified)
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def test_save(self):
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self.session.save()
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self.assertTrue(self.session.exists(self.session.session_key))
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def test_delete(self):
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self.session.delete(self.session.session_key)
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self.assertFalse(self.session.exists(self.session.session_key))
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def test_flush(self):
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self.session['foo'] = 'bar'
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self.session.save()
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prev_key = self.session.session_key
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self.session.flush()
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self.assertFalse(self.session.exists(prev_key))
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self.assertNotEqual(self.session.session_key, prev_key)
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self.assertTrue(self.session.modified)
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self.assertTrue(self.session.accessed)
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def test_cycle(self):
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self.session['a'], self.session['b'] = 'c', 'd'
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self.session.save()
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prev_key = self.session.session_key
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prev_data = self.session.items()
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self.session.cycle_key()
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self.assertNotEqual(self.session.session_key, prev_key)
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self.assertEqual(self.session.items(), prev_data)
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def test_invalid_key(self):
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# Submitting an invalid session key (either by guessing, or if the db has
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# removed the key) results in a new key being generated.
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try:
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session = self.backend('1')
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session.save()
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self.assertNotEqual(session.session_key, '1')
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self.assertEqual(session.get('cat'), None)
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session.delete()
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finally:
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# Some backends leave a stale cache entry for the invalid
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# session key; make sure that entry is manually deleted
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session.delete('1')
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# Custom session expiry
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def test_default_expiry(self):
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# A normal session has a max age equal to settings
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self.assertEqual(self.session.get_expiry_age(), settings.SESSION_COOKIE_AGE)
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# So does a custom session with an idle expiration time of 0 (but it'll
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# expire at browser close)
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self.session.set_expiry(0)
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self.assertEqual(self.session.get_expiry_age(), settings.SESSION_COOKIE_AGE)
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def test_custom_expiry_seconds(self):
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# Using seconds
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self.session.set_expiry(10)
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delta = self.session.get_expiry_date() - datetime.now()
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self.assertTrue(delta.seconds in (9, 10))
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age = self.session.get_expiry_age()
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self.assertTrue(age in (9, 10))
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def test_custom_expiry_timedelta(self):
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# Using timedelta
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self.session.set_expiry(timedelta(seconds=10))
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delta = self.session.get_expiry_date() - datetime.now()
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self.assertTrue(delta.seconds in (9, 10))
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age = self.session.get_expiry_age()
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self.assertTrue(age in (9, 10))
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def test_custom_expiry_datetime(self):
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# Using fixed datetime
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self.session.set_expiry(datetime.now() + timedelta(seconds=10))
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delta = self.session.get_expiry_date() - datetime.now()
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self.assertTrue(delta.seconds in (9, 10))
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age = self.session.get_expiry_age()
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self.assertTrue(age in (9, 10))
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def test_custom_expiry_reset(self):
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self.session.set_expiry(None)
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self.session.set_expiry(10)
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self.session.set_expiry(None)
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self.assertEqual(self.session.get_expiry_age(), settings.SESSION_COOKIE_AGE)
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def test_get_expire_at_browser_close(self):
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# Tests get_expire_at_browser_close with different settings and different
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# set_expiry calls
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try:
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try:
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original_expire_at_browser_close = settings.SESSION_EXPIRE_AT_BROWSER_CLOSE
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settings.SESSION_EXPIRE_AT_BROWSER_CLOSE = False
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self.session.set_expiry(10)
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self.assertFalse(self.session.get_expire_at_browser_close())
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self.session.set_expiry(0)
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self.assertTrue(self.session.get_expire_at_browser_close())
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self.session.set_expiry(None)
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self.assertFalse(self.session.get_expire_at_browser_close())
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settings.SESSION_EXPIRE_AT_BROWSER_CLOSE = True
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self.session.set_expiry(10)
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self.assertFalse(self.session.get_expire_at_browser_close())
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self.session.set_expiry(0)
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self.assertTrue(self.session.get_expire_at_browser_close())
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self.session.set_expiry(None)
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self.assertTrue(self.session.get_expire_at_browser_close())
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except:
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raise
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finally:
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settings.SESSION_EXPIRE_AT_BROWSER_CLOSE = original_expire_at_browser_close
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def test_decode(self):
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# Ensure we can decode what we encode
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data = {'a test key': 'a test value'}
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encoded = self.session.encode(data)
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self.assertEqual(self.session.decode(encoded), data)
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def test_decode_django12(self):
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# Ensure we can decode values encoded using Django 1.2
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# Hard code the Django 1.2 method here:
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def encode(session_dict):
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pickled = pickle.dumps(session_dict, pickle.HIGHEST_PROTOCOL)
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pickled_md5 = md5_constructor(pickled + settings.SECRET_KEY).hexdigest()
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return base64.encodestring(pickled + pickled_md5)
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data = {'a test key': 'a test value'}
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encoded = encode(data)
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self.assertEqual(self.session.decode(encoded), data)
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class DatabaseSessionTests(SessionTestsMixin, TestCase):
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backend = DatabaseSession
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def test_session_get_decoded(self):
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"""
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Test we can use Session.get_decoded to retrieve data stored
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in normal way
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"""
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self.session['x'] = 1
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self.session.save()
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s = Session.objects.get(session_key=self.session.session_key)
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self.assertEqual(s.get_decoded(), {'x': 1})
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def test_sessionmanager_save(self):
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"""
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Test SessionManager.save method
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"""
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# Create a session
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self.session['y'] = 1
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self.session.save()
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s = Session.objects.get(session_key=self.session.session_key)
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# Change it
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Session.objects.save(s.session_key, {'y':2}, s.expire_date)
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# Clear cache, so that it will be retrieved from DB
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del self.session._session_cache
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self.assertEqual(self.session['y'], 2)
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class CacheDBSessionTests(SessionTestsMixin, TestCase):
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backend = CacheDBSession
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# Don't need DB flushing for these tests, so can use unittest.TestCase as base class
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class FileSessionTests(SessionTestsMixin, unittest.TestCase):
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backend = FileSession
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def setUp(self):
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super(FileSessionTests, self).setUp()
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# Do file session tests in an isolated directory, and kill it after we're done.
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self.original_session_file_path = settings.SESSION_FILE_PATH
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self.temp_session_store = settings.SESSION_FILE_PATH = tempfile.mkdtemp()
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def tearDown(self):
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settings.SESSION_FILE_PATH = self.original_session_file_path
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shutil.rmtree(self.temp_session_store)
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super(FileSessionTests, self).tearDown()
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def test_configuration_check(self):
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# Make sure the file backend checks for a good storage dir
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settings.SESSION_FILE_PATH = "/if/this/directory/exists/you/have/a/weird/computer"
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self.assertRaises(ImproperlyConfigured, self.backend)
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class CacheSessionTests(SessionTestsMixin, unittest.TestCase):
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backend = CacheSession
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class SessionMiddlewareTests(unittest.TestCase):
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def setUp(self):
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self.old_SESSION_COOKIE_SECURE = settings.SESSION_COOKIE_SECURE
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self.old_SESSION_COOKIE_HTTPONLY = settings.SESSION_COOKIE_HTTPONLY
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def tearDown(self):
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settings.SESSION_COOKIE_SECURE = self.old_SESSION_COOKIE_SECURE
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settings.SESSION_COOKIE_HTTPONLY = self.old_SESSION_COOKIE_HTTPONLY
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def test_secure_session_cookie(self):
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settings.SESSION_COOKIE_SECURE = True
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request = RequestFactory().get('/')
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response = HttpResponse('Session test')
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middleware = SessionMiddleware()
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# Simulate a request the modifies the session
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middleware.process_request(request)
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request.session['hello'] = 'world'
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# Handle the response through the middleware
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response = middleware.process_response(request, response)
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self.assertTrue(response.cookies[settings.SESSION_COOKIE_NAME]['secure'])
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def test_httponly_session_cookie(self):
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settings.SESSION_COOKIE_HTTPONLY = True
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request = RequestFactory().get('/')
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response = HttpResponse('Session test')
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middleware = SessionMiddleware()
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# Simulate a request the modifies the session
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middleware.process_request(request)
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request.session['hello'] = 'world'
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# Handle the response through the middleware
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response = middleware.process_response(request, response)
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self.assertTrue(response.cookies[settings.SESSION_COOKIE_NAME]['httponly'])
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