import datetime import pytz from decimal import Decimal from django.contrib.auth.models import User from django.core.exceptions import ObjectDoesNotExist from django.core.exceptions import ValidationError from django.core.management import call_command from django.test import TestCase 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 from patches import MixInPatches UTC = pytz.timezone('UTC') class RegistrationCartTestCase(MixInPatches, TestCase): def setUp(self): super(RegistrationCartTestCase, self).setUp() def tearDown(self): if True: # If you're seeing segfaults in tests, enable this. call_command( 'flush', verbosity=0, interactive=False, reset_sequences=False, allow_cascade=False, inhibit_post_migrate=False ) super(RegistrationCartTestCase, self).tearDown() @classmethod def setUpTestData(cls): super(RegistrationCartTestCase, cls).setUpTestData() cls.USER_1 = User.objects.create_user( username='testuser', email='test@example.com', password='top_secret') cls.USER_2 = User.objects.create_user( username='testuser2', email='test2@example.com', password='top_secret') attendee1 = people.Attendee.get_instance(cls.USER_1) people.AttendeeProfileBase.objects.create( attendee=attendee1, ) attendee2 = people.Attendee.get_instance(cls.USER_2) people.AttendeeProfileBase.objects.create( attendee=attendee2, ) cls.RESERVATION = datetime.timedelta(hours=1) cls.categories = [] for i in xrange(2): cat = inventory.Category.objects.create( name="Category " + str(i + 1), description="This is a test category", order=i, render_type=inventory.Category.RENDER_TYPE_RADIO, required=False, ) cls.categories.append(cat) cls.CAT_1 = cls.categories[0] cls.CAT_2 = cls.categories[1] cls.products = [] for i in xrange(4): prod = inventory.Product.objects.create( name="Product " + str(i + 1), description="This is a test product.", category=cls.categories[i / 2], # 2 products per category price=Decimal("10.00"), reservation_duration=cls.RESERVATION, limit_per_user=10, order=1, ) cls.products.append(prod) cls.PROD_1 = cls.products[0] cls.PROD_2 = cls.products[1] cls.PROD_3 = cls.products[2] cls.PROD_4 = cls.products[3] cls.PROD_4.price = Decimal("5.00") cls.PROD_4.save() # Burn through some carts -- this made some past flag tests fail current_cart = TestingCartController.for_user(cls.USER_1) current_cart.next_cart() current_cart = TestingCartController.for_user(cls.USER_2) current_cart.next_cart() @classmethod def make_ceiling(cls, name, limit=None, start_time=None, end_time=None): limit_ceiling = conditions.TimeOrStockLimitFlag.objects.create( description=name, condition=conditions.FlagBase.DISABLE_IF_FALSE, limit=limit, start_time=start_time, end_time=end_time ) limit_ceiling.products.add(cls.PROD_1, cls.PROD_2) @classmethod def make_category_ceiling( cls, name, limit=None, start_time=None, end_time=None): limit_ceiling = conditions.TimeOrStockLimitFlag.objects.create( description=name, condition=conditions.FlagBase.DISABLE_IF_FALSE, limit=limit, start_time=start_time, end_time=end_time ) limit_ceiling.categories.add(cls.CAT_1) @classmethod def make_discount_ceiling( cls, name, limit=None, start_time=None, end_time=None, percentage=100): limit_ceiling = conditions.TimeOrStockLimitDiscount.objects.create( description=name, start_time=start_time, end_time=end_time, limit=limit, ) conditions.DiscountForProduct.objects.create( discount=limit_ceiling, product=cls.PROD_1, percentage=percentage, quantity=10, ) @classmethod def new_voucher(self, code="VOUCHER", limit=1): voucher = inventory.Voucher.objects.create( recipient="Voucher recipient", code=code, limit=limit, ) return voucher @classmethod def reget(cls, object): return type(object).objects.get(id=object.id) class BasicCartTests(RegistrationCartTestCase): def test_get_cart(self): current_cart = TestingCartController.for_user(self.USER_1) current_cart.next_cart() old_cart = current_cart current_cart = TestingCartController.for_user(self.USER_1) self.assertNotEqual(old_cart.cart, current_cart.cart) current_cart2 = TestingCartController.for_user(self.USER_1) self.assertEqual(current_cart.cart, current_cart2.cart) def test_add_to_cart_collapses_product_items(self): current_cart = TestingCartController.for_user(self.USER_1) # Add a product twice current_cart.add_to_cart(self.PROD_1, 1) current_cart.add_to_cart(self.PROD_1, 1) # Count of products for a given user should be collapsed. items = commerce.ProductItem.objects.filter( cart=current_cart.cart, product=self.PROD_1) self.assertEqual(1, len(items)) item = items[0] self.assertEquals(2, item.quantity) def test_set_quantity(self): current_cart = TestingCartController.for_user(self.USER_1) def get_item(): return commerce.ProductItem.objects.get( cart=current_cart.cart, product=self.PROD_1) current_cart.set_quantity(self.PROD_1, 1) self.assertEqual(1, get_item().quantity) # Setting the quantity to zero should remove the entry from the cart. current_cart.set_quantity(self.PROD_1, 0) with self.assertRaises(ObjectDoesNotExist): get_item() current_cart.set_quantity(self.PROD_1, 9) self.assertEqual(9, get_item().quantity) with self.assertRaises(ValidationError): current_cart.set_quantity(self.PROD_1, 11) self.assertEqual(9, get_item().quantity) with self.assertRaises(ValidationError): current_cart.set_quantity(self.PROD_1, -1) self.assertEqual(9, get_item().quantity) current_cart.set_quantity(self.PROD_1, 2) self.assertEqual(2, get_item().quantity) def test_add_to_cart_product_per_user_limit(self): current_cart = TestingCartController.for_user(self.USER_1) # User should be able to add 1 of PROD_1 to the current cart. current_cart.add_to_cart(self.PROD_1, 1) # User should be able to add 1 of PROD_1 to the current cart. current_cart.add_to_cart(self.PROD_1, 1) # User should not be able to add 10 of PROD_1 to the current cart now, # because they have a limit of 10. with self.assertRaises(ValidationError): current_cart.add_to_cart(self.PROD_1, 10) current_cart.next_cart() current_cart = TestingCartController.for_user(self.USER_1) # User should not be able to add 10 of PROD_1 to the current cart now, # even though it's a new cart. with self.assertRaises(ValidationError): current_cart.add_to_cart(self.PROD_1, 10) # Second user should not be affected by first user's limits second_user_cart = TestingCartController.for_user(self.USER_2) second_user_cart.add_to_cart(self.PROD_1, 10) def set_limits(self): self.CAT_2.limit_per_user = 10 self.PROD_2.limit_per_user = None self.PROD_3.limit_per_user = None self.PROD_4.limit_per_user = 6 self.CAT_2.save() self.PROD_2.save() self.PROD_3.save() self.PROD_4.save() def test_per_user_product_limit_ignored_if_blank(self): self.set_limits() current_cart = TestingCartController.for_user(self.USER_1) # There is no product limit on PROD_2, and there is no cat limit current_cart.add_to_cart(self.PROD_2, 1) # There is no product limit on PROD_3, but there is a cat limit current_cart.add_to_cart(self.PROD_3, 1) def test_per_user_category_limit_ignored_if_blank(self): self.set_limits() current_cart = TestingCartController.for_user(self.USER_1) # There is no product limit on PROD_2, and there is no cat limit current_cart.add_to_cart(self.PROD_2, 1) # There is no cat limit on PROD_1, but there is a prod limit current_cart.add_to_cart(self.PROD_1, 1) def test_per_user_category_limit_only(self): self.set_limits() current_cart = TestingCartController.for_user(self.USER_1) # Cannot add to cart if category limit is filled by one product. current_cart.set_quantity(self.PROD_3, 10) with self.assertRaises(ValidationError): current_cart.set_quantity(self.PROD_4, 1) # Can add to cart if category limit is not filled by one product current_cart.set_quantity(self.PROD_3, 5) current_cart.set_quantity(self.PROD_4, 5) # Cannot add to cart if category limit is filled by two products with self.assertRaises(ValidationError): current_cart.add_to_cart(self.PROD_3, 1) current_cart.next_cart() current_cart = TestingCartController.for_user(self.USER_1) # The category limit should extend across carts with self.assertRaises(ValidationError): current_cart.add_to_cart(self.PROD_3, 10) def test_per_user_category_and_product_limits(self): self.set_limits() current_cart = TestingCartController.for_user(self.USER_1) # Hit both the product and category edges: current_cart.set_quantity(self.PROD_3, 4) current_cart.set_quantity(self.PROD_4, 6) with self.assertRaises(ValidationError): # There's unlimited PROD_3, but limited in the category current_cart.add_to_cart(self.PROD_3, 1) current_cart.set_quantity(self.PROD_3, 0) with self.assertRaises(ValidationError): # There's only 6 allowed of PROD_4 current_cart.add_to_cart(self.PROD_4, 1) # The limits should extend across carts... current_cart.next_cart() current_cart = TestingCartController.for_user(self.USER_1) current_cart.set_quantity(self.PROD_3, 4) with self.assertRaises(ValidationError): current_cart.set_quantity(self.PROD_3, 5) with self.assertRaises(ValidationError): current_cart.set_quantity(self.PROD_4, 1) def __available_products_test(self, item, quantity): self.set_limits() def get_prods(): return ProductController.available_products( self.USER_1, products=[self.PROD_2, self.PROD_3, self.PROD_4], ) current_cart = TestingCartController.for_user(self.USER_1) prods = get_prods() self.assertTrue(item in prods) current_cart.add_to_cart(item, quantity) self.assertTrue(item in prods) current_cart.next_cart() current_cart = TestingCartController.for_user(self.USER_1) prods = get_prods() self.assertTrue(item not in prods) def test_available_products_respects_category_limits(self): self.__available_products_test(self.PROD_3, 10) def test_available_products_respects_product_limits(self): self.__available_products_test(self.PROD_4, 6) def test_cart_controller_for_user_is_memoised(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) def test_cart_revision_does_not_increment_if_not_modified(self): cart = TestingCartController.for_user(self.USER_1) rev_0 = cart.cart.revision with BatchController.batch(self.USER_1): # Memoise the cart TestingCartController.for_user(self.USER_1) # Do nothing on exit rev_1 = self.reget(cart.cart).revision self.assertEqual(rev_0, rev_1) def test_cart_revision_only_increments_at_end_of_batches(self): cart = TestingCartController.for_user(self.USER_1) 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 self.assertEqual(rev_0, rev_1) self.assertNotEqual(rev_0, rev_2) def test_cart_discounts_only_calculated_at_end_of_batches(self): def count_discounts(cart): return cart.cart.discountitem_set.count() cart = TestingCartController.for_user(self.USER_1) self.make_discount_ceiling("FLOOZLE") count_0 = count_discounts(cart) 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) count_2 = count_discounts(same_cart) count_3 = count_discounts(cart) self.assertEqual(0, count_0) self.assertEqual(0, count_1) self.assertEqual(0, count_2) self.assertEqual(1, count_3) def test_reservation_duration_forwards(self): ''' Reservation duration should be the maximum of the durations (small) ''' new_res = self.RESERVATION * 2 self.PROD_2.reservation_duration = new_res self.PROD_2.save() cart = TestingCartController.for_user(self.USER_1) cart.add_to_cart(self.PROD_1, 1) cart.cart.refresh_from_db() self.assertEqual(cart.cart.reservation_duration, self.RESERVATION) cart.add_to_cart(self.PROD_2, 1) cart.cart.refresh_from_db() self.assertEqual(cart.cart.reservation_duration, new_res) def test_reservation_duration_backwards(self): ''' Reservation duration should be the maximum of the durations (big) ''' new_res = self.RESERVATION * 2 self.PROD_2.reservation_duration = new_res self.PROD_2.save() cart = TestingCartController.for_user(self.USER_1) cart.add_to_cart(self.PROD_2, 1) cart.cart.refresh_from_db() self.assertEqual(cart.cart.reservation_duration, new_res) cart.add_to_cart(self.PROD_1, 1) cart.cart.refresh_from_db() self.assertEqual(cart.cart.reservation_duration, new_res) def test_reservation_duration_removals(self): ''' Reservation duration should update with removals ''' new_res = self.RESERVATION * 2 self.PROD_2.reservation_duration = new_res self.PROD_2.save() self.set_time(datetime.datetime(2015, 1, 1, tzinfo=UTC)) cart = TestingCartController.for_user(self.USER_1) one_third = new_res / 3 cart.add_to_cart(self.PROD_2, 1) cart.cart.refresh_from_db() self.assertEqual(cart.cart.reservation_duration, new_res) # Reservation duration should not decrease if time hasn't decreased cart.set_quantity(self.PROD_2, 0) cart.cart.refresh_from_db() self.assertEqual(cart.cart.reservation_duration, new_res) # Adding a new product should not reset the reservation duration below # the old one cart.add_to_cart(self.PROD_1, 1) cart.cart.refresh_from_db() self.assertEqual(cart.cart.reservation_duration, new_res) self.add_timedelta(one_third) # The old reservation duration is still longer than PROD_1's cart.add_to_cart(self.PROD_1, 1) cart.cart.refresh_from_db() self.assertEqual(cart.cart.reservation_duration, new_res - one_third) self.add_timedelta(one_third) cart.add_to_cart(self.PROD_1, 1) cart.cart.refresh_from_db() self.assertEqual(cart.cart.reservation_duration, self.RESERVATION)