def test_atomicity_when_order_save_errors(self, requests_mock):
"""
Test that if the order.mark_as_paid() call fails, non of the changes persists.
"""
session = PaymentGatewaySessionFactory()
original_session_status = session.status
url = govuk_url(f'payments/{session.govuk_payment_id}')
requests_mock.get(
url,
status_code=200,
json={
'state': {
'status': 'success'
},
},
)
session.order.mark_as_paid = mock.MagicMock(side_effect=Exception())
with pytest.raises(Exception):
session.refresh_from_govuk_payment()
session.refresh_from_db()
assert session.status == original_session_status
assert requests_mock.call_count == 1
def test_with_different_govuk_payment_status_updates_session(
self, status, requests_mock):
"""
Test that if the GOV.UK payment status is not the same as the payment gateway session one,
the record is updated.
"""
# choose an initial status != from the govuk one to test the update
initial_status = PaymentGatewaySessionStatus.created
if initial_status == status:
initial_status = PaymentGatewaySessionStatus.started
session = PaymentGatewaySessionFactory(status=initial_status)
url = govuk_url(f'payments/{session.govuk_payment_id}')
requests_mock.get(
url,
status_code=200,
json={
'state': {
'status': status
},
},
)
assert session.refresh_from_govuk_payment()
session.refresh_from_db()
assert session.status == status
assert requests_mock.call_count == 1
def test_atomicity_when_govuk_pay_errors(self, requests_mock):
"""
Test that if GOV.UK Pay errors, none of the changes persists.
"""
session = PaymentGatewaySessionFactory()
original_session_status = session.status
url = govuk_url(f'payments/{session.govuk_payment_id}')
requests_mock.get(url, status_code=500)
with pytest.raises(GOVUKPayAPIException):
assert session.refresh_from_govuk_payment()
session.refresh_from_db()
assert session.status == original_session_status
assert requests_mock.call_count == 1
def test_with_govuk_payment_success_updates_order(self, requests_mock):
"""
Test that if the GOV.UK payment status is `success` and the payment gateway session is
out of date, the record is updated, the related order marked as `paid` and an OMIS
`payment.Payment` record created from the GOV.UK response data one.
"""
order = OrderWithAcceptedQuoteFactory()
session = PaymentGatewaySessionFactory(
status=PaymentGatewaySessionStatus.created,
order=order,
)
url = govuk_url(f'payments/{session.govuk_payment_id}')
response_json = {
'amount': order.total_cost,
'state': {
'status': 'success'
},
'email': '*****@*****.**',
'created_date': '2018-02-13T14:56:56.734Z',
'reference': '12345',
'card_details': {
'last_digits_card_number': '1111',
'cardholder_name': 'John Doe',
'expiry_date': '01/20',
'billing_address': {
'line1': 'line 1 address',
'line2': 'line 2 address',
'postcode': 'SW1A 1AA',
'city': 'London',
'country': 'GB',
},
'card_brand': 'Visa',
},
}
requests_mock.get(url, status_code=200, json=response_json)
assert session.refresh_from_govuk_payment()
# check session
session.refresh_from_db()
assert session.status == PaymentGatewaySessionStatus.success
# check order
order.refresh_from_db()
assert order.status == OrderStatus.paid
# check payment object
assert Payment.objects.filter(order=order).count() == 1
payment = Payment.objects.filter(order=order).first()
assert payment.amount == response_json['amount']
assert payment.method == PaymentMethod.card
assert payment.received_on == dateutil_parse('2018-02-13').date()
assert payment.transaction_reference == '12345'
assert payment.cardholder_name == 'John Doe'
assert payment.card_brand == 'Visa'
assert payment.billing_email == '*****@*****.**'
assert payment.billing_address_1 == 'line 1 address'
assert payment.billing_address_2 == 'line 2 address'
assert payment.billing_address_town == 'London'
assert payment.billing_address_postcode == 'SW1A 1AA'
assert payment.billing_address_country == 'GB'
assert requests_mock.call_count == 1