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Adds test case for CartController batching

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This commit is contained in:
Christopher Neugebauer 2016-05-01 11:55:14 +10:00
parent 5929c0af3c
commit 94ceaa3bb1
2 changed files with 56 additions and 1 deletions
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1
registrasion/tests/test_batch.py
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@ -122,7 +122,6 @@ class BatchTestCase(RegistrationCartTestCase):
return object()
def test_batch_end_functionality_is_called(self):
class Ender(object):
end_count = 0
def end_batch(self):

56
registrasion/tests/test_cart.py
View file

@ -12,6 +12,7 @@ from registrasion.models import commerce
from registrasion.models import conditions
from registrasion.models import inventory
from registrasion.models import people
from registrasion.controllers.batch import BatchController
from registrasion.controllers.product import ProductController
from controller_helpers import TestingCartController
@ -360,3 +361,58 @@ class BasicCartTests(RegistrationCartTestCase):
def test_available_products_respects_product_limits(self):
self.__available_products_test(self.PROD_4, 6)
def test_cart_controller_batching(self):
# - that for_user is memoised
with BatchController.batch(self.USER_1):
cart = TestingCartController.for_user(self.USER_1)
cart_2 = TestingCartController.for_user(self.USER_1)
self.assertIs(cart, cart_2)
# - that the revision only increments on modifications
rev_0 = cart.cart.revision
with BatchController.batch(self.USER_1):
# Memoise the cart
same_cart = TestingCartController.for_user(self.USER_1)
# Do nothing on exit
rev_1 = self.reget(cart.cart).revision
self.assertEqual(rev_0, rev_1)
# - that the revision only increments on the outside of a batch
rev_0 = cart.cart.revision
with BatchController.batch(self.USER_1):
# Memoise the cart
same_cart = TestingCartController.for_user(self.USER_1)
same_cart.add_to_cart(self.PROD_1, 1)
rev_1 = self.reget(same_cart.cart).revision
rev_2 = self.reget(cart.cart).revision
cart.set_quantity(self.PROD_1, 0)
self.assertEqual(rev_0, rev_1)
self.assertNotEqual(rev_0, rev_2)
# - that discounts are only calculated on modifications o/s batch
def count_discounts(cart):
return cart.cart.discountitem_set.count()
count_0 = count_discounts(cart.cart)
self.make_discount_ceiling("FLOOZLE")
with BatchController.batch(self.USER_1):
# Memoise the cart
same_cart = TestingCartController.for_user(self.USER_1)
with BatchController.batch(self.USER_1):
# Memoise the cart
same_cart_2 = TestingCartController.for_user(self.USER_1)
same_cart_2.add_to_cart(self.PROD_1, 1)
count_1 = count_discounts(same_cart_2.cart)
count_2 = count_discounts(same_cart.cart)
count_3 = count_discounts(cart.cart)
self.assertEqual(0, count_0)
self.assertEqual(0, count_1)
self.assertEqual(0, count_2)
self.assertEqual(1, count_1)