def test_create_invoice(self):
current_cart = TestingCartController.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 = TestingInvoiceController.for_cart(current_cart.cart)
# That invoice should have a single line item
line_items = commerce.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 produce a new invoice
current_cart.add_to_cart(self.PROD_2, 1)
invoice_2 = TestingInvoiceController.for_cart(current_cart.cart)
self.assertNotEqual(invoice_1.invoice, invoice_2.invoice)
# The old invoice should automatically be voided
invoice_1_new = commerce.Invoice.objects.get(pk=invoice_1.invoice.id)
invoice_2_new = commerce.Invoice.objects.get(pk=invoice_2.invoice.id)
self.assertTrue(invoice_1_new.is_void)
self.assertFalse(invoice_2_new.is_void)
# Invoice should have two line items
line_items = commerce.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_cannot_apply_a_refunded_credit_note(self):
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.for_cart(self.reget(cart.cart))
to_pay = invoice.invoice.value
invoice.pay("Reference", to_pay)
self.assertTrue(invoice.invoice.is_paid)
invoice.refund()
self.assertEquals(1, rego.CreditNote.unclaimed().count())
credit_note = rego.CreditNote.objects.get(invoice=invoice.invoice)
cn = TestingCreditNoteController(credit_note)
cn.refund()
# Refunding a credit note should mark it as claimed
self.assertEquals(0, rego.CreditNote.unclaimed().count())
# Create a new cart with invoice
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice_2 = TestingInvoiceController.for_cart(self.reget(cart.cart))
# Cannot pay with this credit note.
with self.assertRaises(ValidationError):
cn.apply_to_invoice(invoice_2.invoice)
def test_apply_credit_note_pays_invoice(self):
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.for_cart(self.reget(cart.cart))
to_pay = invoice.invoice.value
invoice.pay("Reference", to_pay)
self.assertTrue(invoice.invoice.is_paid)
invoice.refund()
# There should be one credit note generated out of the invoice.
credit_note = commerce.CreditNote.objects.get(invoice=invoice.invoice)
cn = TestingCreditNoteController(credit_note)
# That credit note should be in the unclaimed pile
self.assertEquals(1, commerce.CreditNote.unclaimed().count())
# Create a new (identical) cart with invoice
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice2 = TestingInvoiceController.for_cart(self.reget(cart.cart))
cn.apply_to_invoice(invoice2.invoice)
self.assertTrue(invoice2.invoice.is_paid)
# That invoice should not show up as unclaimed any more
self.assertEquals(0, commerce.CreditNote.unclaimed().count())
def test_cannot_refund_an_applied_credit_note(self):
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.for_cart(self.reget(cart.cart))
to_pay = invoice.invoice.value
invoice.pay("Reference", to_pay)
self.assertTrue(invoice.invoice.is_paid)
invoice.refund()
self.assertEquals(1, commerce.CreditNote.unclaimed().count())
credit_note = commerce.CreditNote.objects.get(invoice=invoice.invoice)
cn = TestingCreditNoteController(credit_note)
# Create a new cart with invoice
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice_2 = TestingInvoiceController.for_cart(self.reget(cart.cart))
cn.apply_to_invoice(invoice_2.invoice)
self.assertEquals(0, commerce.CreditNote.unclaimed().count())
# Cannot refund this credit note as it is already applied.
with self.assertRaises(ValidationError):
cn.refund()
def test_required_category_constraints_prevent_invoicing(self):
self.CAT_1.required = True
self.CAT_1.save()
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_3, 1)
# CAT_1 is required, we don't have CAT_1 yet
with self.assertRaises(ValidationError):
invoice = TestingInvoiceController.for_cart(cart.cart)
# Now that we have CAT_1, we can check out the cart
cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.for_cart(cart.cart)
# Paying for the invoice should work fine
invoice.pay("Boop", invoice.invoice.value)
# We have an item in the first cart, so should be able to invoice
# for the second cart, even without CAT_1 in it.
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_3, 1)
invoice2 = TestingInvoiceController.for_cart(cart.cart)
# Void invoice2, and release the first cart
# now we don't have any CAT_1
invoice2.void()
invoice.refund()
# Now that we don't have CAT_1, we can't checkout this cart
with self.assertRaises(ValidationError):
invoice = TestingInvoiceController.for_cart(cart.cart)
def test_invoice_controller_for_id_works(self):
invoice = self._invoice_containing_prod_1(1)
id_ = invoice.invoice.id
invoice1 = TestingInvoiceController.for_id(id_)
invoice2 = TestingInvoiceController.for_id(str(id_))
self.assertEqual(invoice.invoice, invoice1.invoice)
self.assertEqual(invoice.invoice, invoice2.invoice)
def test_voiding_invoice_creates_new_invoice(self):
current_cart = TestingCartController.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 = TestingInvoiceController.for_cart(current_cart.cart)
self.assertFalse(invoice_1.invoice.is_void)
invoice_1.void()
invoice_2 = TestingInvoiceController.for_cart(current_cart.cart)
self.assertNotEqual(invoice_1.invoice, invoice_2.invoice)
def test_zero_value_invoice_is_automatically_paid(self):
voucher = inventory.Voucher.objects.create(
recipient="Voucher recipient",
code="VOUCHER",
limit=1
)
discount = conditions.VoucherDiscount.objects.create(
description="VOUCHER RECIPIENT",
voucher=voucher,
)
conditions.DiscountForProduct.objects.create(
discount=discount,
product=self.PROD_1,
percentage=Decimal(100),
quantity=1
)
current_cart = TestingCartController.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 = TestingInvoiceController.for_cart(current_cart.cart)
self.assertTrue(invoice_1.invoice.is_paid)
def test_cannot_apply_a_refunded_credit_note(self):
invoice = self._invoice_containing_prod_1(1)
to_pay = invoice.invoice.value
invoice.pay("Reference", to_pay)
self.assertTrue(invoice.invoice.is_paid)
invoice.refund()
self.assertEquals(1, commerce.CreditNote.unclaimed().count())
cn = self._credit_note_for_invoice(invoice.invoice)
cn.refund()
# Refunding a credit note should mark it as claimed
self.assertEquals(0, commerce.CreditNote.unclaimed().count())
# Create a new cart with invoice
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice_2 = TestingInvoiceController.for_cart(self.reget(cart.cart))
# Cannot pay with this credit note.
with self.assertRaises(ValidationError):
cn.apply_to_invoice(invoice_2.invoice)
def test_invoice_includes_discounts(self):
voucher = inventory.Voucher.objects.create(
recipient="Voucher recipient",
code="VOUCHER",
limit=1
)
discount = conditions.VoucherDiscount.objects.create(
description="VOUCHER RECIPIENT",
voucher=voucher,
)
conditions.DiscountForProduct.objects.create(
discount=discount,
product=self.PROD_1,
percentage=Decimal(50),
quantity=1
)
current_cart = TestingCartController.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 = TestingInvoiceController.for_cart(current_cart.cart)
# That invoice should have two line items
line_items = commerce.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)
def test_voiding_invoice_creates_new_invoice(self):
invoice_1 = self._invoice_containing_prod_1(1)
self.assertFalse(invoice_1.invoice.is_void)
invoice_1.void()
invoice_2 = TestingInvoiceController.for_cart(invoice_1.invoice.cart)
self.assertNotEqual(invoice_1.invoice, invoice_2.invoice)
def test_cannot_pay_implicitly_void_invoice(self):
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.for_cart(self.reget(cart.cart))
# Implicitly void the invoice
cart.add_to_cart(self.PROD_1, 1)
with self.assertRaises(ValidationError):
invoice.validate_allowed_to_pay()
def test_cannot_void_paid_invoice(self):
current_cart = TestingCartController.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 = TestingInvoiceController.for_cart(current_cart.cart)
invoice.pay("Reference", invoice.invoice.value)
with self.assertRaises(ValidationError):
invoice.void()
def test_apply_credit_note_generates_new_credit_note_if_overpaying(self):
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 2)
invoice = TestingInvoiceController.for_cart(self.reget(cart.cart))
to_pay = invoice.invoice.value
invoice.pay("Reference", to_pay)
self.assertTrue(invoice.invoice.is_paid)
invoice.refund()
# There should be one credit note generated out of the invoice.
credit_note = commerce.CreditNote.objects.get(invoice=invoice.invoice)
cn = TestingCreditNoteController(credit_note)
self.assertEquals(1, commerce.CreditNote.unclaimed().count())
# Create a new cart (of half value of inv 1) and get invoice
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice2 = TestingInvoiceController.for_cart(self.reget(cart.cart))
cn.apply_to_invoice(invoice2.invoice)
self.assertTrue(invoice2.invoice.is_paid)
# We generated a new credit note, and spent the old one,
# unclaimed should still be 1.
self.assertEquals(1, commerce.CreditNote.unclaimed().count())
credit_note2 = commerce.CreditNote.objects.get(
invoice=invoice2.invoice,
)
# The new credit note should be the residual of the cost of cart 1
# minus the cost of cart 2.
self.assertEquals(
invoice.invoice.value - invoice2.invoice.value,
credit_note2.value,
)
def test_cannot_apply_credit_note_on_invalid_invoices(self):
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.for_cart(self.reget(cart.cart))
to_pay = invoice.invoice.value
invoice.pay("Reference", to_pay)
self.assertTrue(invoice.invoice.is_paid)
invoice.refund()
# There should be one credit note generated out of the invoice.
credit_note = commerce.CreditNote.objects.get(invoice=invoice.invoice)
cn = TestingCreditNoteController(credit_note)
# Create a new cart with invoice, pay it
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice_2 = TestingInvoiceController.for_cart(self.reget(cart.cart))
invoice_2.pay("LOL", invoice_2.invoice.value)
# Cannot pay paid invoice
with self.assertRaises(ValidationError):
cn.apply_to_invoice(invoice_2.invoice)
invoice_2.refund()
# Cannot pay refunded invoice
with self.assertRaises(ValidationError):
cn.apply_to_invoice(invoice_2.invoice)
# Create a new cart with invoice
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice_2 = TestingInvoiceController.for_cart(self.reget(cart.cart))
invoice_2.void()
# Cannot pay void invoice
with self.assertRaises(ValidationError):
cn.apply_to_invoice(invoice_2.invoice)
def test_invoice_voids_self_if_cart_is_invalid(self):
current_cart = TestingCartController.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 = TestingInvoiceController.for_cart(current_cart.cart)
self.assertFalse(invoice_1.invoice.is_void)
# Adding item to cart should produce a new invoice
current_cart.add_to_cart(self.PROD_2, 1)
invoice_2 = TestingInvoiceController.for_cart(current_cart.cart)
self.assertNotEqual(invoice_1.invoice, invoice_2.invoice)
# Viewing invoice_1's invoice should show it as void
invoice_1_new = TestingInvoiceController(invoice_1.invoice)
self.assertTrue(invoice_1_new.invoice.is_void)
# Viewing invoice_2's invoice should *not* show it as void
invoice_2_new = TestingInvoiceController(invoice_2.invoice)
self.assertFalse(invoice_2_new.invoice.is_void)
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)
current_cart.add_to_cart(self.PROD_1, 1)
inv = TestingInvoiceController.for_cart(current_cart.cart)
if not inv.invoice.is_paid:
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()
current_cart.apply_voucher(voucher.code)
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)
current_cart.add_to_cart(self.PROD_1, 1)
inv = TestingInvoiceController.for_cart(current_cart.cart)
if not inv.invoice.is_paid:
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()
current_cart.apply_voucher(voucher.code)
def test_paying_invoice_makes_new_cart(self):
current_cart = TestingCartController.for_user(self.USER_1)
current_cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.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.is_paid)
# Cart should not be active
self.assertFalse(invoice.invoice.cart.active)
# Asking for a cart should generate a new one
new_cart = TestingCartController.for_user(self.USER_1)
self.assertNotEqual(current_cart.cart, new_cart.cart)
def test_full_paid_invoice_does_not_generate_credit_note(self):
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.for_cart(self.reget(cart.cart))
# Invoice is paid evenly
invoice.pay("Reference", invoice.invoice.value)
# The total paid should be equal to the value of the invoice only
self.assertEqual(invoice.invoice.value, invoice.total_payments())
self.assertTrue(invoice.invoice.is_paid)
# There should be no credit notes
credit_notes = rego.CreditNote.objects.filter(invoice=invoice.invoice)
self.assertEqual(0, credit_notes.count())
def test_refund_marks_void_and_unpaid_and_cart_released(self):
current_cart = TestingCartController.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 = TestingInvoiceController.for_cart(current_cart.cart)
invoice.pay("A Payment!", invoice.invoice.value)
self.assertFalse(invoice.invoice.is_void)
self.assertTrue(invoice.invoice.is_paid)
self.assertFalse(invoice.invoice.is_refunded)
self.assertFalse(invoice.invoice.cart.released)
invoice.refund()
self.assertFalse(invoice.invoice.is_void)
self.assertFalse(invoice.invoice.is_paid)
self.assertTrue(invoice.invoice.is_refunded)
self.assertTrue(invoice.invoice.cart.released)
def test_overpaid_invoice_results_in_credit_note(self):
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.for_cart(self.reget(cart.cart))
# Invoice is overpaid by 1 unit
to_pay = invoice.invoice.value + 1
invoice.pay("Reference", to_pay)
# The total paid should be equal to the value of the invoice only
self.assertEqual(invoice.invoice.value, invoice.total_payments())
self.assertTrue(invoice.invoice.is_paid)
# There should be a credit note generated out of the invoice.
credit_notes = rego.CreditNote.objects.filter(invoice=invoice.invoice)
self.assertEqual(1, credit_notes.count())
self.assertEqual(to_pay - invoice.invoice.value, credit_notes[0].value)
def test_full_paid_invoice_does_not_generate_credit_note(self):
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.for_cart(self.reget(cart.cart))
# Invoice is paid evenly
invoice.pay("Reference", invoice.invoice.value)
# The total paid should be equal to the value of the invoice only
self.assertEqual(invoice.invoice.value, invoice.total_payments())
self.assertTrue(invoice.invoice.is_paid)
# There should be no credit notes
credit_notes = commerce.CreditNote.objects.filter(
invoice=invoice.invoice,
)
self.assertEqual(0, credit_notes.count())
def test_refund_marks_void_and_unpaid_and_cart_released(self):
current_cart = TestingCartController.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 = TestingInvoiceController.for_cart(current_cart.cart)
invoice.pay("A Payment!", invoice.invoice.value)
self.assertFalse(invoice.invoice.is_void)
self.assertTrue(invoice.invoice.is_paid)
self.assertFalse(invoice.invoice.is_refunded)
self.assertFalse(invoice.invoice.cart.released)
invoice.refund()
self.assertFalse(invoice.invoice.is_void)
self.assertFalse(invoice.invoice.is_paid)
self.assertTrue(invoice.invoice.is_refunded)
self.assertTrue(invoice.invoice.cart.released)
def test_refund_partially_paid_invoice_generates_correct_credit_note(self):
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.for_cart(self.reget(cart.cart))
# Invoice is underpaid by 1 unit
to_pay = invoice.invoice.value - 1
invoice.pay("Reference", to_pay)
invoice.refund()
# The total paid should be zero
self.assertEqual(0, invoice.total_payments())
self.assertTrue(invoice.invoice.is_void)
# There should be a credit note generated out of the invoice.
credit_notes = rego.CreditNote.objects.filter(invoice=invoice.invoice)
self.assertEqual(1, credit_notes.count())
self.assertEqual(to_pay, credit_notes[0].value)
def test_overpaid_invoice_results_in_credit_note(self):
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.for_cart(self.reget(cart.cart))
# Invoice is overpaid by 1 unit
to_pay = invoice.invoice.value + 1
invoice.pay("Reference", to_pay)
# The total paid should be equal to the value of the invoice only
self.assertEqual(invoice.invoice.value, invoice.total_payments())
self.assertTrue(invoice.invoice.is_paid)
# There should be a credit note generated out of the invoice.
credit_notes = commerce.CreditNote.objects.filter(
invoice=invoice.invoice,
)
self.assertEqual(1, credit_notes.count())
self.assertEqual(to_pay - invoice.invoice.value, credit_notes[0].value)
def test_refund_partially_paid_invoice_generates_correct_credit_note(self):
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.for_cart(self.reget(cart.cart))
# Invoice is underpaid by 1 unit
to_pay = invoice.invoice.value - 1
invoice.pay("Reference", to_pay)
invoice.refund()
# The total paid should be zero
self.assertEqual(0, invoice.total_payments())
self.assertTrue(invoice.invoice.is_void)
# There should be a credit note generated out of the invoice.
credit_notes = commerce.CreditNote.objects.filter(
invoice=invoice.invoice,
)
self.assertEqual(1, credit_notes.count())
self.assertEqual(to_pay, credit_notes[0].value)
def _invoice_containing_prod_1(self, qty=1):
cart = TestingCartController.for_user(self.USER_1)
cart.add_to_cart(self.PROD_1, qty)
return TestingInvoiceController.for_cart(self.reget(cart.cart))
def test_cannot_generate_blank_invoice(self):
current_cart = TestingCartController.for_user(self.USER_1)
with self.assertRaises(ValidationError):
TestingInvoiceController.for_cart(current_cart.cart)
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 = TestingCartController.for_user(self.USER_1)
current_cart.add_to_cart(self.PROD_1, 1)
self.add_timedelta(self.RESERVATION * 2)
cart_2 = TestingCartController.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):
TestingInvoiceController.for_cart(current_cart.cart)
def test_paying_invoice_makes_new_cart(self):
current_cart = TestingCartController.for_user(self.USER_1)
current_cart.add_to_cart(self.PROD_1, 1)
invoice = TestingInvoiceController.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.is_paid)
# Cart should not be active
self.assertFalse(invoice.invoice.cart.active)
# Asking for a cart should generate a new one