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django/tests/messages_tests/test_session.py

63 lines
2.1 KiB
Python

from django.contrib.messages import constants
from django.contrib.messages.storage.base import Message
from django.contrib.messages.storage.session import SessionStorage
from django.core.exceptions import ImproperlyConfigured
from django.http import HttpRequest
from django.test import TestCase
from django.utils.safestring import SafeData, mark_safe
from .base import BaseTests
def set_session_data(storage, messages):
"""
Sets the messages into the backend request's session and remove the
backend's loaded data cache.
"""
storage.request.session[storage.session_key] = storage.serialize_messages(messages)
if hasattr(storage, '_loaded_data'):
del storage._loaded_data
def stored_session_messages_count(storage):
data = storage.deserialize_messages(storage.request.session.get(storage.session_key, []))
return len(data)
class SessionTests(BaseTests, TestCase):
storage_class = SessionStorage
def get_request(self):
self.session = {}
request = super().get_request()
request.session = self.session
return request
def stored_messages_count(self, storage, response):
return stored_session_messages_count(storage)
def test_no_session(self):
msg = (
'The session-based temporary message storage requires session '
'middleware to be installed, and come before the message '
'middleware in the MIDDLEWARE list.'
)
with self.assertRaisesMessage(ImproperlyConfigured, msg):
self.storage_class(HttpRequest())
def test_get(self):
storage = self.storage_class(self.get_request())
example_messages = ['test', 'me']
set_session_data(storage, example_messages)
self.assertEqual(list(storage), example_messages)
def test_safedata(self):
"""
A message containing SafeData keeps its safe status when retrieved from
the message storage.
"""
storage = self.get_storage()
message = Message(constants.DEBUG, mark_safe("<b>Hello Django!</b>"))
set_session_data(storage, [message])
self.assertIsInstance(list(storage)[0].message, SafeData)