added refund signal (#56)

CHANGELOG.txt

@@ -1,5 +1,8 @@
 # Change Log
 All notable changes to this project will be documented in this file.
+## [0.8.2]
+### Added
+- Signal "stripe_charge_refunded" on refund
 
 ## [0.8.1]
 ### Added

aa_stripe/__init__.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 __title__ = "Arabella Stripe"
-__version__ = "0.8.1"
+__version__ = "0.8.2"
 __author__ = "Jacek Ostanski"
 __license__ = "MIT"
 __copyright__ = "Copyright 2017 Arabella"

aa_stripe/models.py

@@ -22,7 +22,7 @@
 from aa_stripe.exceptions import (StripeCouponAlreadyExists, StripeMethodNotAllowed, StripeWebhookAlreadyParsed,
                                   StripeWebhookParseError)
 from aa_stripe.settings import stripe_settings
-from aa_stripe.signals import stripe_charge_card_exception, stripe_charge_succeeded
+from aa_stripe.signals import stripe_charge_card_exception, stripe_charge_refunded, stripe_charge_succeeded
 from aa_stripe.utils import timestamp_to_timezone_aware_date
 
 USER_MODEL = getattr(settings, "STRIPE_USER_MODEL", settings.AUTH_USER_MODEL)
@@ -400,6 +400,7 @@ def refund(self):
         self.is_refunded = True
         self.stripe_refund_id = stripe_refund["id"]
         self.save()
+        stripe_charge_refunded.send(sender=StripeCharge, instance=self)
 
 
 class StripeSubscriptionPlan(StripeBasicModel):

aa_stripe/signals.py

@@ -3,3 +3,4 @@
 
 stripe_charge_succeeded = django.dispatch.Signal(providing_args=["instance"])
 stripe_charge_card_exception = django.dispatch.Signal(providing_args=["instance", "exception"])
+stripe_charge_refunded = django.dispatch.Signal(providing_args=["instance"])

tests/test_charge.py

@@ -123,10 +123,12 @@ def test_refund(self, refund_create_mocked):
         charge.save()
 
         # refund - passes
-        charge.refund()
-        refund_create_mocked.assert_called_with(charge=charge.stripe_charge_id)
-        self.assertTrue(charge.is_refunded)
-        self.assertEqual(charge.stripe_refund_id, "R1")
+        with mock.patch("aa_stripe.signals.stripe_charge_refunded.send") as refund_signal_send:
+            charge.refund()
+            refund_create_mocked.assert_called_with(charge=charge.stripe_charge_id)
+            self.assertTrue(charge.is_refunded)
+            self.assertEqual(charge.stripe_refund_id, "R1")
+            refund_signal_send.assert_called_with(sender=StripeCharge, instance=charge)
 
         # refund - error: already refunded
         with self.assertRaises(StripeMethodNotAllowed):