109 lines
3.6 KiB
Python
109 lines
3.6 KiB
Python
import datetime
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import pytz
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from decimal import Decimal
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from django.core.exceptions import ValidationError
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from django.db import IntegrityError
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from registrasion import models as rego
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from registrasion.controllers.cart import CartController
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from test_cart import RegistrationCartTestCase
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UTC = pytz.timezone('UTC')
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class VoucherTestCases(RegistrationCartTestCase):
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@classmethod
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def new_voucher(self, code="VOUCHER"):
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voucher = rego.Voucher.objects.create(
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recipient="Voucher recipient",
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code=code,
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limit=1
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)
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voucher.save()
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return voucher
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def test_apply_voucher(self):
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voucher = self.new_voucher()
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self.set_time(datetime.datetime(2015, 01, 01, tzinfo=UTC))
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cart_1 = CartController.for_user(self.USER_1)
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cart_1.apply_voucher(voucher.code)
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self.assertIn(voucher, cart_1.cart.vouchers.all())
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# Second user should not be able to apply this voucher (it's exhausted)
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cart_2 = CartController.for_user(self.USER_2)
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with self.assertRaises(ValidationError):
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cart_2.apply_voucher(voucher.code)
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# After the reservation duration
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# user 2 should be able to apply voucher
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self.add_timedelta(rego.Voucher.RESERVATION_DURATION * 2)
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cart_2.apply_voucher(voucher.code)
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cart_2.cart.active = False
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cart_2.cart.save()
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# After the reservation duration, user 1 should not be able to apply
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# voucher, as user 2 has paid for their cart.
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self.add_timedelta(rego.Voucher.RESERVATION_DURATION * 2)
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with self.assertRaises(ValidationError):
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cart_1.apply_voucher(voucher.code)
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def test_voucher_enables_item(self):
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voucher = self.new_voucher()
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enabling_condition = rego.VoucherEnablingCondition.objects.create(
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description="Voucher condition",
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voucher=voucher,
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mandatory=False,
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)
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enabling_condition.save()
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enabling_condition.products.add(self.PROD_1)
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enabling_condition.save()
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# Adding the product without a voucher will not work
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current_cart = CartController.for_user(self.USER_1)
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with self.assertRaises(ValidationError):
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current_cart.add_to_cart(self.PROD_1, 1)
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# Apply the voucher
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current_cart.apply_voucher(voucher.code)
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current_cart.add_to_cart(self.PROD_1, 1)
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def test_voucher_enables_discount(self):
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voucher = self.new_voucher()
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discount = rego.VoucherDiscount.objects.create(
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description="VOUCHER RECIPIENT",
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voucher=voucher,
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)
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discount.save()
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rego.DiscountForProduct.objects.create(
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discount=discount,
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product=self.PROD_1,
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percentage=Decimal(100),
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quantity=1
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).save()
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# Having PROD_1 in place should add a discount
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current_cart = CartController.for_user(self.USER_1)
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current_cart.apply_voucher(voucher.code)
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current_cart.add_to_cart(self.PROD_1, 1)
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self.assertEqual(1, len(current_cart.cart.discountitem_set.all()))
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def test_voucher_codes_unique(self):
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self.new_voucher(code="VOUCHER")
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with self.assertRaises(IntegrityError):
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self.new_voucher(code="VOUCHER")
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def test_multiple_vouchers_work(self):
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self.new_voucher(code="VOUCHER1")
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self.new_voucher(code="VOUCHER2")
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def test_vouchers_case_insensitive(self):
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voucher = self.new_voucher(code="VOUCHeR")
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current_cart = CartController.for_user(self.USER_1)
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current_cart.apply_voucher(voucher.code.lower())
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