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Location: symposion_app/registrasion/tests/test_invoice.py
2d5cd622c517
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text/x-python
Makes it invalid for a user to re-enter a voucher code they already have.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | import datetime
import pytz
from decimal import Decimal
from django.core.exceptions import ValidationError
from registrasion import models as rego
from registrasion.controllers.cart import CartController
from registrasion.controllers.invoice import InvoiceController
from test_cart import RegistrationCartTestCase
UTC = pytz.timezone('UTC')
class InvoiceTestCase(RegistrationCartTestCase):
def test_create_invoice(self):
current_cart = CartController.for_user(self.USER_1)
# Should be able to create an invoice after the product is added
current_cart.add_to_cart(self.PROD_1, 1)
invoice_1 = InvoiceController.for_cart(current_cart.cart)
# That invoice should have a single line item
line_items = rego.LineItem.objects.filter(invoice=invoice_1.invoice)
self.assertEqual(1, len(line_items))
# That invoice should have a value equal to cost of PROD_1
self.assertEqual(self.PROD_1.price, invoice_1.invoice.value)
# Adding item to cart should void all active invoices and produce
# a new invoice
current_cart.add_to_cart(self.PROD_2, 1)
invoice_2 = InvoiceController.for_cart(current_cart.cart)
self.assertNotEqual(invoice_1.invoice, invoice_2.invoice)
# Invoice should have two line items
line_items = rego.LineItem.objects.filter(invoice=invoice_2.invoice)
self.assertEqual(2, len(line_items))
# Invoice should have a value equal to cost of PROD_1 and PROD_2
self.assertEqual(
self.PROD_1.price + self.PROD_2.price,
invoice_2.invoice.value)
def test_create_invoice_fails_if_cart_invalid(self):
self.make_ceiling("Limit ceiling", limit=1)
self.set_time(datetime.datetime(2015, 01, 01, tzinfo=UTC))
current_cart = CartController.for_user(self.USER_1)
current_cart.add_to_cart(self.PROD_1, 1)
self.add_timedelta(self.RESERVATION * 2)
cart_2 = CartController.for_user(self.USER_2)
cart_2.add_to_cart(self.PROD_1, 1)
# Now try to invoice the first user
with self.assertRaises(ValidationError):
InvoiceController.for_cart(current_cart.cart)
def test_paying_invoice_makes_new_cart(self):
current_cart = CartController.for_user(self.USER_1)
current_cart.add_to_cart(self.PROD_1, 1)
invoice = InvoiceController.for_cart(current_cart.cart)
invoice.pay("A payment!", invoice.invoice.value)
# This payment is for the correct amount invoice should be paid.
self.assertTrue(invoice.invoice.paid)
# Cart should not be active
self.assertFalse(invoice.invoice.cart.active)
# Asking for a cart should generate a new one
new_cart = CartController.for_user(self.USER_1)
self.assertNotEqual(current_cart.cart, new_cart.cart)
def test_invoice_includes_discounts(self):
voucher = rego.Voucher.objects.create(
recipient="Voucher recipient",
code="VOUCHER",
limit=1
)
voucher.save()
discount = rego.VoucherDiscount.objects.create(
description="VOUCHER RECIPIENT",
voucher=voucher,
)
discount.save()
rego.DiscountForProduct.objects.create(
discount=discount,
product=self.PROD_1,
percentage=Decimal(50),
quantity=1
).save()
current_cart = CartController.for_user(self.USER_1)
current_cart.apply_voucher(voucher.code)
# Should be able to create an invoice after the product is added
current_cart.add_to_cart(self.PROD_1, 1)
invoice_1 = InvoiceController.for_cart(current_cart.cart)
# That invoice should have two line items
line_items = rego.LineItem.objects.filter(invoice=invoice_1.invoice)
self.assertEqual(2, len(line_items))
# That invoice should have a value equal to 50% of the cost of PROD_1
self.assertEqual(
self.PROD_1.price * Decimal("0.5"),
invoice_1.invoice.value)
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