symposion_app/registrasion/tests/test_voucher.py

145 lines
5.1 KiB
Python

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