Moves tests for credit note functionality into its own test module
This commit is contained in:
Christopher Neugebauer
parent
23658be49a
commit
66f423eafa
3 changed files with 334 additions and 308 deletions
328
registrasion/tests/test_credit_note.py
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328
registrasion/tests/test_credit_note.py
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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 registrasion.models import commerce
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from registrasion.models import conditions
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from registrasion.models import inventory
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from controller_helpers import TestingCartController
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from controller_helpers import TestingCreditNoteController
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from controller_helpers import TestingInvoiceController
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from test_helpers import TestHelperMixin
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from test_cart import RegistrationCartTestCase
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UTC = pytz.timezone('UTC')
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class CreditNoteTestCase(TestHelperMixin, RegistrationCartTestCase):
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def test_overpaid_invoice_results_in_credit_note(self):
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invoice = self._invoice_containing_prod_1(1)
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# Invoice is overpaid by 1 unit
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to_pay = invoice.invoice.value + 1
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invoice.pay("Reference", to_pay)
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# The total paid should be equal to the value of the invoice only
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self.assertEqual(invoice.invoice.value, invoice.total_payments())
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self.assertTrue(invoice.invoice.is_paid)
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# There should be a credit note generated out of the invoice.
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credit_notes = commerce.CreditNote.objects.filter(
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invoice=invoice.invoice,
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)
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self.assertEqual(1, credit_notes.count())
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self.assertEqual(to_pay - invoice.invoice.value, credit_notes[0].value)
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def test_full_paid_invoice_does_not_generate_credit_note(self):
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invoice = self._invoice_containing_prod_1(1)
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# Invoice is paid evenly
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invoice.pay("Reference", invoice.invoice.value)
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# The total paid should be equal to the value of the invoice only
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self.assertEqual(invoice.invoice.value, invoice.total_payments())
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self.assertTrue(invoice.invoice.is_paid)
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# There should be no credit notes
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credit_notes = commerce.CreditNote.objects.filter(
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invoice=invoice.invoice,
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)
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self.assertEqual(0, credit_notes.count())
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def test_refund_partially_paid_invoice_generates_correct_credit_note(self):
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invoice = self._invoice_containing_prod_1(1)
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# Invoice is underpaid by 1 unit
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to_pay = invoice.invoice.value - 1
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invoice.pay("Reference", to_pay)
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invoice.refund()
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# The total paid should be zero
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self.assertEqual(0, invoice.total_payments())
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self.assertTrue(invoice.invoice.is_void)
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# There should be a credit note generated out of the invoice.
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credit_notes = commerce.CreditNote.objects.filter(
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invoice=invoice.invoice,
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)
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self.assertEqual(1, credit_notes.count())
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self.assertEqual(to_pay, credit_notes[0].value)
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def test_refund_fully_paid_invoice_generates_correct_credit_note(self):
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invoice = self._invoice_containing_prod_1(1)
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to_pay = invoice.invoice.value
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invoice.pay("Reference", to_pay)
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self.assertTrue(invoice.invoice.is_paid)
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invoice.refund()
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# The total paid should be zero
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self.assertEqual(0, invoice.total_payments())
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self.assertTrue(invoice.invoice.is_refunded)
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# There should be a credit note generated out of the invoice.
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credit_notes = commerce.CreditNote.objects.filter(
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invoice=invoice.invoice,
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)
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self.assertEqual(1, credit_notes.count())
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self.assertEqual(to_pay, credit_notes[0].value)
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def test_apply_credit_note_pays_invoice(self):
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invoice = self._invoice_containing_prod_1(1)
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to_pay = invoice.invoice.value
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invoice.pay("Reference", to_pay)
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self.assertTrue(invoice.invoice.is_paid)
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invoice.refund()
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# There should be one credit note generated out of the invoice.
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cn = self._credit_note_for_invoice(invoice.invoice)
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# That credit note should be in the unclaimed pile
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self.assertEquals(1, commerce.CreditNote.unclaimed().count())
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# Create a new (identical) cart with invoice
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cart = TestingCartController.for_user(self.USER_1)
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cart.add_to_cart(self.PROD_1, 1)
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invoice2 = TestingInvoiceController.for_cart(self.reget(cart.cart))
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cn.apply_to_invoice(invoice2.invoice)
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self.assertTrue(invoice2.invoice.is_paid)
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# That invoice should not show up as unclaimed any more
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self.assertEquals(0, commerce.CreditNote.unclaimed().count())
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def test_apply_credit_note_generates_new_credit_note_if_overpaying(self):
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invoice = self._invoice_containing_prod_1(2)
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to_pay = invoice.invoice.value
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invoice.pay("Reference", to_pay)
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self.assertTrue(invoice.invoice.is_paid)
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invoice.refund()
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# There should be one credit note generated out of the invoice.
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cn = self._credit_note_for_invoice(invoice.invoice)
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self.assertEquals(1, commerce.CreditNote.unclaimed().count())
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# Create a new cart (of half value of inv 1) and get invoice
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cart = TestingCartController.for_user(self.USER_1)
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cart.add_to_cart(self.PROD_1, 1)
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invoice2 = TestingInvoiceController.for_cart(self.reget(cart.cart))
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cn.apply_to_invoice(invoice2.invoice)
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self.assertTrue(invoice2.invoice.is_paid)
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# We generated a new credit note, and spent the old one,
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# unclaimed should still be 1.
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self.assertEquals(1, commerce.CreditNote.unclaimed().count())
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credit_note2 = commerce.CreditNote.objects.get(
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invoice=invoice2.invoice,
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)
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# The new credit note should be the residual of the cost of cart 1
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# minus the cost of cart 2.
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self.assertEquals(
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invoice.invoice.value - invoice2.invoice.value,
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credit_note2.value,
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)
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def test_cannot_apply_credit_note_on_invalid_invoices(self):
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invoice = self._invoice_containing_prod_1(1)
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to_pay = invoice.invoice.value
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invoice.pay("Reference", to_pay)
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self.assertTrue(invoice.invoice.is_paid)
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invoice.refund()
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# There should be one credit note generated out of the invoice.
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cn = self._credit_note_for_invoice(invoice.invoice)
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# Create a new cart with invoice, pay it
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invoice_2 = self._invoice_containing_prod_1(1)
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invoice_2.pay("LOL", invoice_2.invoice.value)
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# Cannot pay paid invoice
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with self.assertRaises(ValidationError):
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cn.apply_to_invoice(invoice_2.invoice)
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invoice_2.refund()
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# Cannot pay refunded invoice
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with self.assertRaises(ValidationError):
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cn.apply_to_invoice(invoice_2.invoice)
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# Create a new cart with invoice
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invoice_2 = self._invoice_containing_prod_1(1)
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invoice_2.void()
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# Cannot pay void invoice
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with self.assertRaises(ValidationError):
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cn.apply_to_invoice(invoice_2.invoice)
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def test_cannot_apply_a_refunded_credit_note(self):
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invoice = self._invoice_containing_prod_1(1)
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to_pay = invoice.invoice.value
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invoice.pay("Reference", to_pay)
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self.assertTrue(invoice.invoice.is_paid)
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invoice.refund()
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self.assertEquals(1, commerce.CreditNote.unclaimed().count())
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cn = self._credit_note_for_invoice(invoice.invoice)
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cn.refund()
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# Refunding a credit note should mark it as claimed
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self.assertEquals(0, commerce.CreditNote.unclaimed().count())
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# Create a new cart with invoice
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cart = TestingCartController.for_user(self.USER_1)
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cart.add_to_cart(self.PROD_1, 1)
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invoice_2 = TestingInvoiceController.for_cart(self.reget(cart.cart))
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# Cannot pay with this credit note.
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with self.assertRaises(ValidationError):
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cn.apply_to_invoice(invoice_2.invoice)
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def test_cannot_refund_an_applied_credit_note(self):
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invoice = self._invoice_containing_prod_1(1)
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to_pay = invoice.invoice.value
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invoice.pay("Reference", to_pay)
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self.assertTrue(invoice.invoice.is_paid)
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invoice.refund()
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self.assertEquals(1, commerce.CreditNote.unclaimed().count())
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cn = self._credit_note_for_invoice(invoice.invoice)
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# Create a new cart with invoice
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cart = TestingCartController.for_user(self.USER_1)
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cart.add_to_cart(self.PROD_1, 1)
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invoice_2 = TestingInvoiceController.for_cart(self.reget(cart.cart))
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cn.apply_to_invoice(invoice_2.invoice)
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self.assertEquals(0, commerce.CreditNote.unclaimed().count())
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# Cannot refund this credit note as it is already applied.
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with self.assertRaises(ValidationError):
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cn.refund()
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def test_money_into_void_invoice_generates_credit_note(self):
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invoice = self._invoice_containing_prod_1(1)
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invoice.void()
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val = invoice.invoice.value
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invoice.pay("Paying into the void.", val, pre_validate=False)
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cn = self._credit_note_for_invoice(invoice.invoice)
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self.assertEqual(val, cn.credit_note.value)
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def test_money_into_refunded_invoice_generates_credit_note(self):
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invoice = self._invoice_containing_prod_1(1)
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val = invoice.invoice.value
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invoice.pay("Paying the first time.", val)
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invoice.refund()
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cnval = val - 1
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invoice.pay("Paying into the void.", cnval, pre_validate=False)
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notes = commerce.CreditNote.objects.filter(invoice=invoice.invoice)
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notes = sorted(notes, key=lambda note: note.value)
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self.assertEqual(cnval, notes[0].value)
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self.assertEqual(val, notes[1].value)
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def test_money_into_paid_invoice_generates_credit_note(self):
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invoice = self._invoice_containing_prod_1(1)
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val = invoice.invoice.value
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invoice.pay("Paying the first time.", val)
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invoice.pay("Paying into the void.", val, pre_validate=False)
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cn = self._credit_note_for_invoice(invoice.invoice)
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self.assertEqual(val, cn.credit_note.value)
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def test_invoice_with_credit_note_applied_is_refunded(self):
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''' Invoices with partial payments should void when cart is updated.
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Test for issue #64 -- applying a credit note to an invoice
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means that invoice cannot be voided, and new invoices cannot be
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created. '''
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cart = TestingCartController.for_user(self.USER_1)
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cart.add_to_cart(self.PROD_1, 1)
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invoice = TestingInvoiceController.for_cart(cart.cart)
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# Now get a credit note
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invoice.pay("Lol", invoice.invoice.value)
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invoice.refund()
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cn = self._credit_note_for_invoice(invoice.invoice)
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# Create a cart of higher value than the credit note
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cart = TestingCartController.for_user(self.USER_1)
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cart.add_to_cart(self.PROD_1, 2)
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# Create a current invoice, and apply partial payments
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invoice = TestingInvoiceController.for_cart(cart.cart)
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cn.apply_to_invoice(invoice.invoice)
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# Adding to cart will mean that the old invoice for this cart
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# will be invalidated. A new invoice should be generated.
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cart.add_to_cart(self.PROD_1, 1)
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invoice = TestingInvoiceController.for_id(invoice.invoice.id)
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invoice2 = TestingInvoiceController.for_cart(cart.cart)
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cn2 = self._credit_note_for_invoice(invoice.invoice)
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invoice._refresh()
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# The first invoice should be refunded
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self.assertEquals(
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commerce.Invoice.STATUS_VOID,
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invoice.invoice.status,
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)
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# Both credit notes should be for the same amount
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self.assertEquals(
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cn.credit_note.value,
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cn2.credit_note.value,
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)
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from registrasion.models import commerce
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from controller_helpers import TestingCartController
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from controller_helpers import TestingCreditNoteController
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from controller_helpers import TestingInvoiceController
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class TestHelperMixin(object):
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def _invoice_containing_prod_1(self, qty=1):
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@ -229,268 +229,6 @@ class InvoiceTestCase(TestHelperMixin, RegistrationCartTestCase):
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with self.assertRaises(ValidationError):
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invoice.validate_allowed_to_pay()
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def test_overpaid_invoice_results_in_credit_note(self):
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invoice = self._invoice_containing_prod_1(1)
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# Invoice is overpaid by 1 unit
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to_pay = invoice.invoice.value + 1
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invoice.pay("Reference", to_pay)
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# The total paid should be equal to the value of the invoice only
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self.assertEqual(invoice.invoice.value, invoice.total_payments())
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self.assertTrue(invoice.invoice.is_paid)
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# There should be a credit note generated out of the invoice.
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credit_notes = commerce.CreditNote.objects.filter(
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invoice=invoice.invoice,
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)
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self.assertEqual(1, credit_notes.count())
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self.assertEqual(to_pay - invoice.invoice.value, credit_notes[0].value)
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def test_full_paid_invoice_does_not_generate_credit_note(self):
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invoice = self._invoice_containing_prod_1(1)
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# Invoice is paid evenly
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invoice.pay("Reference", invoice.invoice.value)
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# The total paid should be equal to the value of the invoice only
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self.assertEqual(invoice.invoice.value, invoice.total_payments())
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self.assertTrue(invoice.invoice.is_paid)
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# There should be no credit notes
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credit_notes = commerce.CreditNote.objects.filter(
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invoice=invoice.invoice,
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)
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self.assertEqual(0, credit_notes.count())
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def test_refund_partially_paid_invoice_generates_correct_credit_note(self):
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invoice = self._invoice_containing_prod_1(1)
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# Invoice is underpaid by 1 unit
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to_pay = invoice.invoice.value - 1
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invoice.pay("Reference", to_pay)
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invoice.refund()
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# The total paid should be zero
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self.assertEqual(0, invoice.total_payments())
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self.assertTrue(invoice.invoice.is_void)
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# There should be a credit note generated out of the invoice.
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credit_notes = commerce.CreditNote.objects.filter(
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invoice=invoice.invoice,
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)
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self.assertEqual(1, credit_notes.count())
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self.assertEqual(to_pay, credit_notes[0].value)
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def test_refund_fully_paid_invoice_generates_correct_credit_note(self):
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invoice = self._invoice_containing_prod_1(1)
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to_pay = invoice.invoice.value
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invoice.pay("Reference", to_pay)
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self.assertTrue(invoice.invoice.is_paid)
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invoice.refund()
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# The total paid should be zero
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self.assertEqual(0, invoice.total_payments())
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self.assertTrue(invoice.invoice.is_refunded)
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# There should be a credit note generated out of the invoice.
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credit_notes = commerce.CreditNote.objects.filter(
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invoice=invoice.invoice,
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)
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self.assertEqual(1, credit_notes.count())
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self.assertEqual(to_pay, credit_notes[0].value)
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def test_apply_credit_note_pays_invoice(self):
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invoice = self._invoice_containing_prod_1(1)
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to_pay = invoice.invoice.value
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invoice.pay("Reference", to_pay)
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self.assertTrue(invoice.invoice.is_paid)
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invoice.refund()
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# There should be one credit note generated out of the invoice.
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cn = self._credit_note_for_invoice(invoice.invoice)
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# That credit note should be in the unclaimed pile
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self.assertEquals(1, commerce.CreditNote.unclaimed().count())
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# Create a new (identical) cart with invoice
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cart = TestingCartController.for_user(self.USER_1)
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cart.add_to_cart(self.PROD_1, 1)
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invoice2 = TestingInvoiceController.for_cart(self.reget(cart.cart))
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cn.apply_to_invoice(invoice2.invoice)
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self.assertTrue(invoice2.invoice.is_paid)
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# That invoice should not show up as unclaimed any more
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self.assertEquals(0, commerce.CreditNote.unclaimed().count())
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def test_apply_credit_note_generates_new_credit_note_if_overpaying(self):
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invoice = self._invoice_containing_prod_1(2)
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to_pay = invoice.invoice.value
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invoice.pay("Reference", to_pay)
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self.assertTrue(invoice.invoice.is_paid)
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invoice.refund()
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# There should be one credit note generated out of the invoice.
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cn = self._credit_note_for_invoice(invoice.invoice)
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self.assertEquals(1, commerce.CreditNote.unclaimed().count())
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# 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):
|
||||
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()
|
||||
|
||||
# There should be one credit note generated out of the invoice.
|
||||
cn = self._credit_note_for_invoice(invoice.invoice)
|
||||
|
||||
# Create a new cart with invoice, pay it
|
||||
invoice_2 = self._invoice_containing_prod_1(1)
|
||||
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
|
||||
invoice_2 = self._invoice_containing_prod_1(1)
|
||||
invoice_2.void()
|
||||
# Cannot pay void invoice
|
||||
with self.assertRaises(ValidationError):
|
||||
cn.apply_to_invoice(invoice_2.invoice)
|
||||
|
||||
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_cannot_refund_an_applied_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)
|
||||
|
||||
# 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_money_into_void_invoice_generates_credit_note(self):
|
||||
invoice = self._invoice_containing_prod_1(1)
|
||||
invoice.void()
|
||||
|
||||
val = invoice.invoice.value
|
||||
|
||||
invoice.pay("Paying into the void.", val, pre_validate=False)
|
||||
cn = self._credit_note_for_invoice(invoice.invoice)
|
||||
self.assertEqual(val, cn.credit_note.value)
|
||||
|
||||
def test_money_into_refunded_invoice_generates_credit_note(self):
|
||||
invoice = self._invoice_containing_prod_1(1)
|
||||
|
||||
val = invoice.invoice.value
|
||||
|
||||
invoice.pay("Paying the first time.", val)
|
||||
invoice.refund()
|
||||
|
||||
cnval = val - 1
|
||||
invoice.pay("Paying into the void.", cnval, pre_validate=False)
|
||||
|
||||
notes = commerce.CreditNote.objects.filter(invoice=invoice.invoice)
|
||||
notes = sorted(notes, key=lambda note: note.value)
|
||||
|
||||
self.assertEqual(cnval, notes[0].value)
|
||||
self.assertEqual(val, notes[1].value)
|
||||
|
||||
def test_money_into_paid_invoice_generates_credit_note(self):
|
||||
invoice = self._invoice_containing_prod_1(1)
|
||||
|
||||
val = invoice.invoice.value
|
||||
|
||||
invoice.pay("Paying the first time.", val)
|
||||
|
||||
invoice.pay("Paying into the void.", val, pre_validate=False)
|
||||
cn = self._credit_note_for_invoice(invoice.invoice)
|
||||
self.assertEqual(val, cn.credit_note.value)
|
||||
|
||||
def test_required_category_constraints_prevent_invoicing(self):
|
||||
self.CAT_1.required = True
|
||||
self.CAT_1.save()
|
||||
|
|
@ -525,52 +263,6 @@ class InvoiceTestCase(TestHelperMixin, RegistrationCartTestCase):
|
|||
with self.assertRaises(ValidationError):
|
||||
invoice = TestingInvoiceController.for_cart(cart.cart)
|
||||
|
||||
def test_invoice_with_credit_note_applied_is_refunded(self):
|
||||
''' Invoices with partial payments should void when cart is updated.
|
||||
|
||||
Test for issue #64 -- applying a credit note to an invoice
|
||||
means that invoice cannot be voided, and new invoices cannot be
|
||||
created. '''
|
||||
|
||||
cart = TestingCartController.for_user(self.USER_1)
|
||||
|
||||
cart.add_to_cart(self.PROD_1, 1)
|
||||
invoice = TestingInvoiceController.for_cart(cart.cart)
|
||||
|
||||
# Now get a credit note
|
||||
invoice.pay("Lol", invoice.invoice.value)
|
||||
invoice.refund()
|
||||
cn = self._credit_note_for_invoice(invoice.invoice)
|
||||
|
||||
# Create a cart of higher value than the credit note
|
||||
cart = TestingCartController.for_user(self.USER_1)
|
||||
cart.add_to_cart(self.PROD_1, 2)
|
||||
|
||||
# Create a current invoice, and apply partial payments
|
||||
invoice = TestingInvoiceController.for_cart(cart.cart)
|
||||
cn.apply_to_invoice(invoice.invoice)
|
||||
|
||||
# Adding to cart will mean that the old invoice for this cart
|
||||
# will be invalidated. A new invoice should be generated.
|
||||
cart.add_to_cart(self.PROD_1, 1)
|
||||
invoice = TestingInvoiceController.for_id(invoice.invoice.id)
|
||||
invoice2 = TestingInvoiceController.for_cart(cart.cart)
|
||||
cn2 = self._credit_note_for_invoice(invoice.invoice)
|
||||
|
||||
invoice._refresh()
|
||||
|
||||
# The first invoice should be refunded
|
||||
self.assertEquals(
|
||||
commerce.Invoice.STATUS_VOID,
|
||||
invoice.invoice.status,
|
||||
)
|
||||
|
||||
# Both credit notes should be for the same amount
|
||||
self.assertEquals(
|
||||
cn.credit_note.value,
|
||||
cn2.credit_note.value,
|
||||
)
|
||||
|
||||
def test_can_generate_manual_invoice(self):
|
||||
|
||||
description_price_pairs = [
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue