def test_issues1(self):
""" https://github.com/jedie/django-dbpreferences/issues/1 """
user = self._get_user(usertype="staff")
user_settings = SettingsDict(user)
user_settings["Foo"] = "Bar"
user_settings.save()
models._USER_SETTINGS_CACHE = GetItemCountDict()
user_settings_instance, user_settings = UserSettings.objects.get_settings(user)
self.failUnless(isinstance(user_settings_instance, UserSettings))
self.failUnlessEqual(user_settings, {"Foo":"Bar"})
def test_load(self):
"""
The load() method in middleware.SettingsDict would be called on every get, getitem, etc.
But the real loading should only done one time.
"""
user = self._get_user(usertype="staff")
user_settings = SettingsDict(user)
self.failUnlessEqual(models._USER_SETTINGS_CACHE.cache_hit, 0)
user_settings.get("foo", "bar")
user_settings.get("foo", "bar")
user_settings["foo"]
user_settings["foo"]
self.failUnlessEqual(models._USER_SETTINGS_CACHE.cache_hit, 1)
def test_anonymous(self):
"""
The settings would be not saved for anonymous users.
We allways get the default value back.
"""
user = AnonymousUser()
user_settings = SettingsDict(user)
user_settings["Foo"] = "bar"
# in a request, we get values set in the past
self.failUnlessEqual(user_settings["Foo"], "bar")
# For anonymous user, save() does nothing:
user_settings.save()
self.failUnlessEqual(self._saved, 0)
# In "the next request" we can't get the old value "bar"
user_settings = SettingsDict(user)
self.failUnlessEqual(user_settings.get("Foo", "not the initial value"), "not the initial value")
def test_low_level(self):
self.failUnlessEqual(len(models._USER_SETTINGS_CACHE), 0)
user = self.get_user(usertype="staff")
user_settings = SettingsDict(user)
# .get set the value, if not exist
self.failUnlessEqual(user_settings.get("Foo", "initial value"), "initial value")
self.failUnlessEqual(user_settings["Foo"], "initial value")
# change the existing value
user_settings["Foo"] = "new value"
# Now we should get the new value:
self.failUnlessEqual(user_settings.get("Foo", "initial value"), "new value")
# before we save, nothing should be created
self.failUnless(UserSettings.objects.count() == 0)
self.failUnlessEqual(self._init, 0)
self.failUnlessEqual(self._saved, 0)
self.failUnlessEqual(len(models._USER_SETTINGS_CACHE), 0)
user_settings.save() # increment: pre_init + post_save
self.failUnlessEqual(self._init, 1)
self.failUnlessEqual(self._saved, 1)
self.failUnlessEqual(len(models._USER_SETTINGS_CACHE), 1)
self.failUnless(user.pk in models._USER_SETTINGS_CACHE)
self.failUnless(UserSettings.objects.count() == 1)
instance = UserSettings.objects.get(user=user) # increment: pre_init
self.failUnlessEqual(self._init, 2)
self.failUnlessEqual(instance.settings, {"Foo": "new value"})
# Now we should get a cached version, so pre_init should not be increment
user_settings = SettingsDict(user)
self.failUnlessEqual(user_settings["Foo"], "new value")
self.failUnlessEqual(self._init, 2)
self.failUnlessEqual(self._saved, 1)
self.failUnlessEqual(models._USER_SETTINGS_CACHE.cache_hit, 2)
