def test_version_at_creation(self):
comment = Comment.objects.latest()
comment.like_it()
version_cache_key = cache_token_key_for_record(comment)
# the cache version token should be zero as we've just created the record
# by loading the fixtures. At creation the cache version should be
# zero
self.assertEquals(cache.get(version_cache_key), 0)
def test_version_after_save(self):
# get the comment we want to invalidate the cache for
comment = Comment.objects.latest()
# get the version key for this comment
version_cache_key = cache_token_key_for_record(comment)
# get the original version, should be zero
original_version = cache.get(version_cache_key, None)
# change the comment & save, should increment the version value in
# memcached
comment.like_it()
# get the new version value for the comment
new_version = cache.get(version_cache_key)
self.assertNotEquals(original_version, new_version)
