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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() return object()
def test_batch_end_functionality_is_called(self): def test_batch_end_functionality_is_called(self):
class Ender(object): class Ender(object):
end_count = 0 end_count = 0
def end_batch(self): 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 conditions
from registrasion.models import inventory from registrasion.models import inventory
from registrasion.models import people from registrasion.models import people
from registrasion.controllers.batch import BatchController
from registrasion.controllers.product import ProductController from registrasion.controllers.product import ProductController
from controller_helpers import TestingCartController from controller_helpers import TestingCartController
@ -360,3 +361,58 @@ class BasicCartTests(RegistrationCartTestCase):
def test_available_products_respects_product_limits(self): def test_available_products_respects_product_limits(self):
self.__available_products_test(self.PROD_4, 6) 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)