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test_customer.py
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test_customer.py
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"""
.. module:: dj-stripe.tests.test_customer
:synopsis: dj-stripe Customer Model Tests.
.. moduleauthor:: Daniel Greenfeld (@pydanny)
.. moduleauthor:: Alex Kavanaugh (@kavdev)
.. moduleauthor:: Michael Thronhill (@mthornhill)
"""
import datetime
import decimal
from django.contrib.auth import get_user_model
from django.test import TestCase
from django.utils import timezone
from mock import patch, PropertyMock, MagicMock
import stripe
from unittest2 import TestCase as AssertWarnsEnabledTestCase
from djstripe.models import Customer, Charge, CurrentSubscription
class TestCustomer(TestCase):
fake_current_subscription = CurrentSubscription(plan="test_plan",
quantity=1,
start=timezone.now(),
amount=decimal.Decimal(25.00))
def setUp(self):
self.user = get_user_model().objects.create_user(username="patrick", email="[email protected]")
self.customer = Customer.objects.create(
subscriber=self.user,
stripe_id="cus_xxxxxxxxxxxxxxx",
card_fingerprint="YYYYYYYY",
card_last_4="2342",
card_kind="Visa"
)
def test_tostring(self):
self.assertEquals("<patrick, stripe_id=cus_xxxxxxxxxxxxxxx>", str(self.customer))
@patch("stripe.Customer.retrieve")
def test_customer_purge_leaves_customer_record(self, customer_retrieve_fake):
self.customer.purge()
customer = Customer.objects.get(stripe_id=self.customer.stripe_id)
self.assertTrue(customer.subscriber is None)
self.assertTrue(customer.card_fingerprint == "")
self.assertTrue(customer.card_last_4 == "")
self.assertTrue(customer.card_kind == "")
self.assertTrue(get_user_model().objects.filter(pk=self.user.pk).exists())
@patch("stripe.Customer.retrieve")
def test_customer_delete_same_as_purge(self, customer_retrieve_fake):
self.customer.delete()
customer = Customer.objects.get(stripe_id=self.customer.stripe_id)
self.assertTrue(customer.subscriber is None)
self.assertTrue(customer.card_fingerprint == "")
self.assertTrue(customer.card_last_4 == "")
self.assertTrue(customer.card_kind == "")
self.assertTrue(get_user_model().objects.filter(pk=self.user.pk).exists())
@patch("stripe.Customer.retrieve")
def test_customer_purge_raises_customer_exception(self, customer_retrieve_mock):
customer_retrieve_mock.side_effect = stripe.InvalidRequestError("No such customer:", "blah")
self.customer.purge()
customer = Customer.objects.get(stripe_id=self.customer.stripe_id)
self.assertTrue(customer.subscriber is None)
self.assertTrue(customer.card_fingerprint == "")
self.assertTrue(customer.card_last_4 == "")
self.assertTrue(customer.card_kind == "")
self.assertTrue(get_user_model().objects.filter(pk=self.user.pk).exists())
customer_retrieve_mock.assert_called_once_with(self.customer.stripe_id)
@patch("stripe.Customer.retrieve")
def test_customer_delete_raises_unexpected_exception(self, customer_retrieve_mock):
customer_retrieve_mock.side_effect = stripe.InvalidRequestError("Unexpected Exception", "blah")
with self.assertRaisesMessage(stripe.InvalidRequestError, "Unexpected Exception"):
self.customer.purge()
customer_retrieve_mock.assert_called_once_with(self.customer.stripe_id)
def test_change_charge(self):
self.assertTrue(self.customer.can_charge())
@patch("stripe.Customer.retrieve")
def test_cannot_charge(self, customer_retrieve_fake):
self.customer.delete()
self.assertFalse(self.customer.can_charge())
def test_charge_accepts_only_decimals(self):
with self.assertRaises(ValueError):
self.customer.charge(10)
@patch("stripe.Charge.retrieve")
def test_record_charge(self, charge_retrieve_mock):
charge_retrieve_mock.return_value = {
"id": "ch_XXXXXX",
"card": {
"last4": "4323",
"type": "Visa"
},
"amount": 1000,
"paid": True,
"refunded": False,
"captured": True,
"fee": 499,
"dispute": None,
"created": 1363911708,
"customer": "cus_xxxxxxxxxxxxxxx"
}
obj = self.customer.record_charge("ch_XXXXXX")
self.assertEquals(Charge.objects.get(stripe_id="ch_XXXXXX").pk, obj.pk)
self.assertEquals(obj.paid, True)
self.assertEquals(obj.disputed, False)
self.assertEquals(obj.refunded, False)
self.assertEquals(obj.amount_refunded, None)
@patch("stripe.Charge.retrieve")
def test_refund_charge(self, charge_retrieve_mock):
charge = Charge.objects.create(
stripe_id="ch_XXXXXX",
customer=self.customer,
card_last_4="4323",
card_kind="Visa",
amount=decimal.Decimal("10.00"),
paid=True,
refunded=False,
fee=decimal.Decimal("4.99"),
disputed=False
)
charge_retrieve_mock.return_value.refund.return_value = {
"id": "ch_XXXXXX",
"card": {
"last4": "4323",
"type": "Visa"
},
"amount": 1000,
"paid": True,
"refunded": True,
"captured": True,
"amount_refunded": 1000,
"fee": 499,
"dispute": None,
"created": 1363911708,
"customer": "cus_xxxxxxxxxxxxxxx"
}
charge.refund()
charge2 = Charge.objects.get(stripe_id="ch_XXXXXX")
self.assertEquals(charge2.refunded, True)
self.assertEquals(charge2.amount_refunded, decimal.Decimal("10.00"))
@patch("stripe.Charge.retrieve")
def test_capture_charge(self, charge_retrieve_mock):
charge = Charge.objects.create(
stripe_id="ch_XXXXXX",
customer=self.customer,
card_last_4="4323",
card_kind="Visa",
amount=decimal.Decimal("10.00"),
paid=True,
refunded=False,
captured=False,
fee=decimal.Decimal("4.99"),
disputed=False
)
charge_retrieve_mock.return_value.capture.return_value = {
"id": "ch_XXXXXX",
"card": {
"last4": "4323",
"type": "Visa"
},
"amount": 1000,
"paid": True,
"refunded": True,
"captured": True,
"amount_refunded": 1000,
"fee": 499,
"dispute": None,
"created": 1363911708,
"customer": "cus_xxxxxxxxxxxxxxx"
}
charge2 = charge.capture()
self.assertEquals(charge2.captured, True)
@patch("stripe.Charge.retrieve")
def test_refund_charge_object_returned(self, charge_retrieve_mock):
charge = Charge.objects.create(
stripe_id="ch_XXXXXX",
customer=self.customer,
card_last_4="4323",
card_kind="Visa",
amount=decimal.Decimal("10.00"),
paid=True,
refunded=False,
fee=decimal.Decimal("4.99"),
disputed=False
)
charge_retrieve_mock.return_value.refund.return_value = {
"id": "ch_XXXXXX",
"card": {
"last4": "4323",
"type": "Visa"
},
"amount": 1000,
"paid": True,
"refunded": True,
"captured": True,
"amount_refunded": 1000,
"fee": 499,
"dispute": None,
"created": 1363911708,
"customer": "cus_xxxxxxxxxxxxxxx"
}
charge2 = charge.refund()
self.assertEquals(charge2.refunded, True)
self.assertEquals(charge2.amount_refunded, decimal.Decimal("10.00"))
def test_calculate_refund_amount_full_refund(self):
charge = Charge(
stripe_id="ch_111111",
customer=self.customer,
amount=decimal.Decimal("500.00")
)
self.assertEquals(
charge.calculate_refund_amount(),
50000
)
def test_calculate_refund_amount_partial_refund(self):
charge = Charge(
stripe_id="ch_111111",
customer=self.customer,
amount=decimal.Decimal("500.00")
)
self.assertEquals(
charge.calculate_refund_amount(amount=decimal.Decimal("300.00")),
30000
)
def test_calculate_refund_above_max_refund(self):
charge = Charge(
stripe_id="ch_111111",
customer=self.customer,
amount=decimal.Decimal("500.00")
)
self.assertEquals(
charge.calculate_refund_amount(amount=decimal.Decimal("600.00")),
50000
)
@patch("stripe.Charge.retrieve")
@patch("stripe.Charge.create")
def test_charge_converts_dollars_into_cents(self, charge_create_mock, charge_retrieve_mock):
charge_create_mock.return_value.id = "ch_XXXXX"
charge_retrieve_mock.return_value = {
"id": "ch_XXXXXX",
"card": {
"last4": "4323",
"type": "Visa"
},
"amount": 1000,
"paid": True,
"refunded": False,
"captured": True,
"fee": 499,
"dispute": None,
"created": 1363911708,
"customer": "cus_xxxxxxxxxxxxxxx"
}
self.customer.charge(
amount=decimal.Decimal("10.00")
)
_, kwargs = charge_create_mock.call_args
self.assertEquals(kwargs["amount"], 1000)
@patch("stripe.Charge.retrieve")
@patch("stripe.Charge.create")
def test_charge_passes_extra_arguments(self, charge_create_mock, charge_retrieve_mock):
charge_create_mock.return_value.id = "ch_XXXXX"
charge_retrieve_mock.return_value = {
"id": "ch_XXXXXX",
"card": {
"last4": "4323",
"type": "Visa"
},
"amount": 1000,
"paid": True,
"refunded": False,
"captured": True,
"fee": 499,
"dispute": None,
"created": 1363911708,
"customer": "cus_xxxxxxxxxxxxxxx"
}
self.customer.charge(
amount=decimal.Decimal("10.00"),
capture=True,
destination='a_stripe_client_id'
)
_, kwargs = charge_create_mock.call_args
self.assertEquals(kwargs["capture"], True)
self.assertEquals(kwargs["destination"], 'a_stripe_client_id')
@patch("djstripe.models.djstripe_settings.trial_period_for_subscriber_callback", return_value="donkey")
@patch("stripe.Customer.create", return_value=PropertyMock(id="cus_xxx1234567890"))
def test_create_trial_callback(self, customer_create_mock, callback_mock):
user = get_user_model().objects.create_user(username="test", email="[email protected]")
Customer.create(user)
customer_create_mock.assert_called_once_with(email=user.email)
callback_mock.assert_called_once_with(user)
@patch("djstripe.models.Customer.subscribe")
@patch("djstripe.models.djstripe_settings.DEFAULT_PLAN", new_callable=PropertyMock, return_value="schreck")
@patch("djstripe.models.djstripe_settings.trial_period_for_subscriber_callback", return_value="donkey")
@patch("stripe.Customer.create", return_value=PropertyMock(id="cus_xxx1234567890"))
def test_create_default_plan(self, customer_create_mock, callback_mock, default_plan_fake, subscribe_mock):
user = get_user_model().objects.create_user(username="test", email="[email protected]")
Customer.create(user)
customer_create_mock.assert_called_once_with(email=user.email)
callback_mock.assert_called_once_with(user)
subscribe_mock.assert_called_once_with(plan=default_plan_fake, trial_days="donkey")
@patch("djstripe.models.Customer.stripe_customer", new_callable=PropertyMock)
def test_update_card(self, customer_stripe_customer_mock):
customer_stripe_customer_mock.return_value = PropertyMock(
active_card=PropertyMock(
fingerprint="test_fingerprint",
last4="1234",
type="test_type",
exp_month=12,
exp_year=2020
)
)
self.customer.update_card("test")
self.assertEqual("test_fingerprint", self.customer.card_fingerprint)
self.assertEqual("1234", self.customer.card_last_4)
self.assertEqual("test_type", self.customer.card_kind)
self.assertEqual(12, self.customer.card_exp_month)
self.assertEqual(2020, self.customer.card_exp_year)
@patch("djstripe.models.Customer.invoices", new_callable=PropertyMock,
return_value=PropertyMock(name="filter", filter=MagicMock(return_value=[MagicMock(name="inv", retry=MagicMock(name="retry", return_value="test"))])))
@patch("djstripe.models.Customer.sync_invoices")
def test_retry_unpaid_invoices(self, sync_invoices_mock, invoices_mock):
self.customer.retry_unpaid_invoices()
sync_invoices_mock.assert_called_once_with()
# TODO: Figure out how to assert on filter and retry mocks
@patch("djstripe.models.Customer.invoices", new_callable=PropertyMock,
return_value=PropertyMock(name="filter", filter=MagicMock(return_value=[MagicMock(name="inv", retry=MagicMock(name="retry",
return_value="test",
side_effect=stripe.InvalidRequestError("Invoice is already paid", "blah")))])))
@patch("djstripe.models.Customer.sync_invoices")
def test_retry_unpaid_invoices_expected_exception(self, sync_invoices_mock, invoices_mock):
try:
self.customer.retry_unpaid_invoices()
except:
self.fail("Exception was unexpectedly raise.")
@patch("djstripe.models.Customer.invoices", new_callable=PropertyMock,
return_value=PropertyMock(name="filter", filter=MagicMock(return_value=[MagicMock(name="inv", retry=MagicMock(name="retry",
return_value="test",
side_effect=stripe.InvalidRequestError("This should fail!", "blah")))])))
@patch("djstripe.models.Customer.sync_invoices")
def test_retry_unpaid_invoices_unexpected_exception(self, sync_invoices_mock, invoices_mock):
with self.assertRaisesMessage(stripe.InvalidRequestError, "This should fail!"):
self.customer.retry_unpaid_invoices()
@patch("stripe.Invoice.create")
def test_send_invoice_success(self, invoice_create_mock):
return_status = self.customer.send_invoice()
self.assertTrue(return_status)
invoice_create_mock.assert_called_once_with(customer=self.customer.stripe_id)
@patch("stripe.Invoice.create")
def test_send_invoice_failure(self, invoice_create_mock):
invoice_create_mock.side_effect = stripe.InvalidRequestError("Invoice creation failed.", "blah")
return_status = self.customer.send_invoice()
self.assertFalse(return_status)
invoice_create_mock.assert_called_once_with(customer=self.customer.stripe_id)
@patch("djstripe.models.Customer.stripe_customer", new_callable=PropertyMock)
def test_sync_active_card(self, stripe_customer_mock):
stripe_customer_mock.return_value = PropertyMock(
active_card=PropertyMock(
fingerprint="cherry",
last4="4429",
type="apple",
exp_month=12,
exp_year=2020,
)
)
self.customer.sync()
self.assertEqual("cherry", self.customer.card_fingerprint)
self.assertEqual("4429", self.customer.card_last_4)
self.assertEqual("apple", self.customer.card_kind)
self.assertEqual(12, self.customer.card_exp_month)
self.assertEqual(2020, self.customer.card_exp_year)
@patch("djstripe.models.Customer.stripe_customer", new_callable=PropertyMock,
return_value=PropertyMock(active_card=None))
def test_sync_no_card(self, stripe_customer_mock):
self.customer.sync()
self.assertEqual("YYYYYYYY", self.customer.card_fingerprint)
self.assertEqual("2342", self.customer.card_last_4)
self.assertEqual("Visa", self.customer.card_kind)
@patch("djstripe.models.Invoice.sync_from_stripe_data")
@patch("djstripe.models.Customer.stripe_customer", new_callable=PropertyMock,
return_value=PropertyMock(invoices=MagicMock(return_value=PropertyMock(data=["apple", "orange", "pear"]))))
def test_sync_invoices(self, stripe_customer_mock, sync_from_stripe_data_mock):
self.customer.sync_invoices()
sync_from_stripe_data_mock.assert_any_call("apple", send_receipt=False)
sync_from_stripe_data_mock.assert_any_call("orange", send_receipt=False)
sync_from_stripe_data_mock.assert_any_call("pear", send_receipt=False)
self.assertEqual(3, sync_from_stripe_data_mock.call_count)
@patch("djstripe.models.Invoice.sync_from_stripe_data")
@patch("djstripe.models.Customer.stripe_customer", new_callable=PropertyMock,
return_value=PropertyMock(invoices=MagicMock(return_value=PropertyMock(data=[]))))
def test_sync_invoices_none(self, stripe_customer_mock, sync_from_stripe_data_mock):
self.customer.sync_invoices()
self.assertFalse(sync_from_stripe_data_mock.called)
@patch("djstripe.models.Customer.record_charge")
@patch("djstripe.models.Customer.stripe_customer", new_callable=PropertyMock,
return_value=PropertyMock(charges=MagicMock(return_value=PropertyMock(data=[PropertyMock(id="herbst"),
PropertyMock(id="winter"),
PropertyMock(id="fruehling"),
PropertyMock(id="sommer")]))))
def test_sync_charges(self, stripe_customer_mock, record_charge_mock):
self.customer.sync_charges()
record_charge_mock.assert_any_call("herbst")
record_charge_mock.assert_any_call("winter")
record_charge_mock.assert_any_call("fruehling")
record_charge_mock.assert_any_call("sommer")
self.assertEqual(4, record_charge_mock.call_count)
@patch("djstripe.models.Customer.record_charge")
@patch("djstripe.models.Customer.stripe_customer", new_callable=PropertyMock,
return_value=PropertyMock(charges=MagicMock(return_value=PropertyMock(data=[]))))
def test_sync_charges_none(self, stripe_customer_mock, record_charge_mock):
self.customer.sync_charges()
self.assertFalse(record_charge_mock.called)
@patch("djstripe.models.Customer.stripe_customer", new_callable=PropertyMock, return_value=PropertyMock(subscription=None))
def test_sync_current_subscription_no_stripe_subscription(self, stripe_customer_mock):
self.assertEqual(None, self.customer.sync_current_subscription())
@patch("djstripe.models.djstripe_settings.plan_from_stripe_id", return_value="test_plan")
@patch("djstripe.models.convert_tstamp", return_value=timezone.make_aware(datetime.datetime(2015, 6, 19)))
@patch("djstripe.models.Customer.current_subscription", new_callable=PropertyMock, return_value=fake_current_subscription)
@patch("djstripe.models.Customer.stripe_customer", new_callable=PropertyMock, return_value=PropertyMock(subscription=PropertyMock(plan=PropertyMock(id="fish", amount=5000),
quantity=5,
trial_start=False,
trial_end=False,
cancel_at_period_end=False,
status="tree")))
def test_sync_current_subscription_update_no_trial(self, stripe_customer_mock, customer_subscription_mock, convert_tstamp_fake, plan_getter_mock):
tz_test_time = timezone.make_aware(datetime.datetime(2015, 6, 19))
self.customer.sync_current_subscription()
plan_getter_mock.assert_called_with("fish")
self.assertEqual("test_plan", self.fake_current_subscription.plan)
self.assertEqual(decimal.Decimal("50.00"), self.fake_current_subscription.amount)
self.assertEqual("tree", self.fake_current_subscription.status)
self.assertEqual(5, self.fake_current_subscription.quantity)
self.assertEqual(False, self.fake_current_subscription.cancel_at_period_end)
self.assertEqual(tz_test_time, self.fake_current_subscription.canceled_at)
self.assertEqual(tz_test_time, self.fake_current_subscription.start)
self.assertEqual(tz_test_time, self.fake_current_subscription.current_period_start)
self.assertEqual(tz_test_time, self.fake_current_subscription.current_period_end)
self.assertEqual(None, self.fake_current_subscription.trial_start)
self.assertEqual(None, self.fake_current_subscription.trial_end)
@patch("djstripe.models.Customer.send_invoice")
@patch("djstripe.models.Customer.sync_current_subscription")
@patch("djstripe.models.Customer.stripe_customer.update_subscription")
@patch("djstripe.models.Customer.stripe_customer", new_callable=PropertyMock, return_value=PropertyMock())
def test_subscribe_trial_plan(self, stripe_customer_mock, update_subscription_mock, sync_subscription_mock, send_invoice_mock):
trial_days = 7 # From settings
self.customer.subscribe(plan="test_trial")
sync_subscription_mock.assert_called_once_with()
send_invoice_mock.assert_called_once_with()
_, call_kwargs = update_subscription_mock.call_args
self.assertIn("trial_end", call_kwargs)
self.assertLess(call_kwargs["trial_end"], timezone.now() + datetime.timedelta(days=trial_days))
@patch("djstripe.models.Customer.send_invoice")
@patch("djstripe.models.Customer.sync_current_subscription")
@patch("djstripe.models.Customer.stripe_customer.update_subscription")
@patch("djstripe.models.Customer.stripe_customer", new_callable=PropertyMock, return_value=PropertyMock())
def test_subscribe_trial_days_kwarg(self, stripe_customer_mock, update_subscription_mock, sync_subscription_mock, send_invoice_mock):
trial_days = 9
self.customer.subscribe(plan="test", trial_days=trial_days)
sync_subscription_mock.assert_called_once_with()
send_invoice_mock.assert_called_once_with()
_, call_kwargs = update_subscription_mock.call_args
self.assertIn("trial_end", call_kwargs)
self.assertLess(call_kwargs["trial_end"], timezone.now() + datetime.timedelta(days=trial_days))
@patch("djstripe.models.Customer.send_invoice")
@patch("djstripe.models.Customer.sync_current_subscription")
@patch("djstripe.models.Customer.current_subscription", new_callable=PropertyMock, return_value=fake_current_subscription)
@patch("djstripe.models.Customer.stripe_customer", new_callable=PropertyMock, return_value=PropertyMock())
def test_subscribe_not_charge_immediately(self, stripe_customer_mock, customer_subscription_mock, sync_subscription_mock, send_invoice_mock):
self.customer.subscribe(plan="test", charge_immediately=False)
sync_subscription_mock.assert_called_once_with()
self.assertFalse(send_invoice_mock.called)
@patch("djstripe.models.Charge.send_receipt")
@patch("djstripe.models.Customer.record_charge", return_value=Charge())
@patch("stripe.Charge.create", return_value={"id": "test_charge_id"})
def test_charge_not_send_receipt(self, charge_create_mock, record_charge_mock, send_receipt_mock):
self.customer.charge(amount=decimal.Decimal("50.00"), send_receipt=False)
self.assertTrue(charge_create_mock.called)
record_charge_mock.assert_called_once_with("test_charge_id")
self.assertFalse(send_receipt_mock.called)
@patch("stripe.InvoiceItem.create")
def test_add_invoice_item(self, invoice_item_create_mock):
self.customer.add_invoice_item(amount=decimal.Decimal("50.00"), currency="eur", invoice_id=77, description="test")
invoice_item_create_mock.assert_called_once_with(amount=5000, currency="eur", invoice=77, description="test", customer=self.customer.stripe_id)
def test_add_invoice_item_bad_decimal(self):
with self.assertRaisesMessage(ValueError, "You must supply a decimal value representing dollars."):
self.customer.add_invoice_item(amount=5000)
class DeprecationTests(AssertWarnsEnabledTestCase):
@patch("djstripe.models.Customer.cancel_subscription")
def test_cancel_deprecation(self, cancel_subscription_mock):
customer = Customer.objects.create()
with self.assertWarns(DeprecationWarning):
customer.cancel(at_period_end="cake")
cancel_subscription_mock.assert_called_once_with(at_period_end="cake")