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Location: symposion_app/vendor/registrasion/registrasion/tests/test_batch.py
ac57053ecf58
4.6 KiB
text/x-python
Ignore withdrawn proposals for random choice
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from registrasion.tests.test_cart import RegistrationCartTestCase
from registrasion.controllers.batch import BatchController
UTC = pytz.timezone('UTC')
class BatchTestCase(RegistrationCartTestCase):
def test_no_caches_outside_of_batches(self):
cache_1 = BatchController.get_cache(self.USER_1)
cache_2 = BatchController.get_cache(self.USER_2)
# Identity testing is important here
self.assertIsNot(cache_1, cache_2)
def test_cache_clears_at_batch_exit(self):
with BatchController.batch(self.USER_1):
cache_1 = BatchController.get_cache(self.USER_1)
cache_2 = BatchController.get_cache(self.USER_1)
self.assertIsNot(cache_1, cache_2)
def test_caches_identical_within_nestings(self):
with BatchController.batch(self.USER_1):
cache_1 = BatchController.get_cache(self.USER_1)
with BatchController.batch(self.USER_2):
cache_2 = BatchController.get_cache(self.USER_1)
cache_3 = BatchController.get_cache(self.USER_1)
self.assertIs(cache_1, cache_2)
self.assertIs(cache_2, cache_3)
def test_caches_are_independent_for_different_users(self):
with BatchController.batch(self.USER_1):
cache_1 = BatchController.get_cache(self.USER_1)
with BatchController.batch(self.USER_2):
cache_2 = BatchController.get_cache(self.USER_2)
self.assertIsNot(cache_1, cache_2)
def test_cache_clears_are_independent_for_different_users(self):
with BatchController.batch(self.USER_1):
cache_1 = BatchController.get_cache(self.USER_1)
with BatchController.batch(self.USER_2):
cache_2 = BatchController.get_cache(self.USER_2)
with BatchController.batch(self.USER_2):
cache_3 = BatchController.get_cache(self.USER_2)
cache_4 = BatchController.get_cache(self.USER_1)
self.assertIs(cache_1, cache_4)
self.assertIsNot(cache_1, cache_2)
self.assertIsNot(cache_2, cache_3)
def test_new_caches_for_new_batches(self):
with BatchController.batch(self.USER_1):
cache_1 = BatchController.get_cache(self.USER_1)
with BatchController.batch(self.USER_1):
cache_2 = BatchController.get_cache(self.USER_1)
with BatchController.batch(self.USER_1):
cache_3 = BatchController.get_cache(self.USER_1)
self.assertIs(cache_2, cache_3)
self.assertIsNot(cache_1, cache_2)
def test_memoisation_happens_in_batch_context(self):
with BatchController.batch(self.USER_1):
output_1 = self._memoiseme(self.USER_1)
with BatchController.batch(self.USER_1):
output_2 = self._memoiseme(self.USER_1)
self.assertIs(output_1, output_2)
def test_memoisaion_does_not_happen_outside_batch_context(self):
output_1 = self._memoiseme(self.USER_1)
output_2 = self._memoiseme(self.USER_1)
self.assertIsNot(output_1, output_2)
def test_memoisation_is_user_independent(self):
with BatchController.batch(self.USER_1):
output_1 = self._memoiseme(self.USER_1)
with BatchController.batch(self.USER_2):
output_2 = self._memoiseme(self.USER_2)
output_3 = self._memoiseme(self.USER_1)
self.assertIsNot(output_1, output_2)
self.assertIs(output_1, output_3)
def test_memoisation_clears_outside_batches(self):
with BatchController.batch(self.USER_1):
output_1 = self._memoiseme(self.USER_1)
with BatchController.batch(self.USER_1):
output_2 = self._memoiseme(self.USER_1)
self.assertIsNot(output_1, output_2)
@classmethod
@BatchController.memoise
def _memoiseme(self, user):
return object()
def test_batch_end_functionality_is_called(self):
class Ender(object):
end_count = 0
def end_batch(self):
self.end_count += 1
@BatchController.memoise
def get_ender(user):
return Ender()
# end_batch should get called once on exiting the batch
with BatchController.batch(self.USER_1):
ender = get_ender(self.USER_1)
self.assertEquals(1, ender.end_count)
# end_batch should get called once on exiting the batch
# no matter how deep the object gets cached
with BatchController.batch(self.USER_1):
with BatchController.batch(self.USER_1):
ender = get_ender(self.USER_1)
self.assertEquals(1, ender.end_count)
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