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test_ipn.py
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/
test_ipn.py
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from django.conf import settings
from django.http import HttpResponse
from django.test import TestCase
from django.test.client import Client
from paypal.standard.ipn.models import PayPalIPN
from paypal.standard.ipn.signals import (payment_was_successful,
payment_was_flagged)
IPN_POST_PARAMS = {
"protection_eligibility": "Ineligible",
"last_name": "User",
"txn_id": "51403485VH153354B",
"receiver_email": settings.PAYPAL_RECEIVER_EMAIL,
"payment_status": "Completed",
"payment_gross": "10.00",
"tax": "0.00",
"residence_country": "US",
"invoice": "0004",
"payer_status": "verified",
"txn_type": "express_checkout",
"handling_amount": "0.00",
"payment_date": "23:04:06 Feb 02, 2009 PST",
"first_name": "Test",
"item_name": "",
"charset": "windows-1252",
"custom": "website_id=13&user_id=21",
"notify_version": "2.6",
"transaction_subject": "",
"test_ipn": "1",
"item_number": "",
"receiver_id": "258DLEHY2BDK6",
"payer_id": "BN5JZ2V7MLEV4",
"verify_sign": "An5ns1Kso7MWUdW4ErQKJJJ4qi4-AqdZy6dD.sGO3sDhTf1wAbuO2IZ7",
"payment_fee": "0.59",
"mc_fee": "0.59",
"mc_currency": "USD",
"shipping": "0.00",
"payer_email": "bishan_1233269544_per@gmail.com",
"payment_type": "instant",
"mc_gross": "10.00",
"quantity": "1",
}
class IPNTest(TestCase):
urls = 'paypal.standard.ipn.tests.test_urls'
def setUp(self):
self.old_debug = settings.DEBUG
settings.DEBUG = True
# Monkey patch over PayPalIPN to make it get a VERFIED response.
self.old_postback = PayPalIPN._postback
PayPalIPN._postback = lambda self: "VERIFIED"
def tearDown(self):
settings.DEBUG = self.old_debug
PayPalIPN._postback = self.old_postback
def assertGotSignal(self, signal, flagged):
# Check the signal was sent. These get lost if they don't reference self.
self.got_signal = False
self.signal_obj = None
def handle_signal(sender, **kwargs):
self.got_signal = True
self.signal_obj = sender
signal.connect(handle_signal)
response = self.client.post("/ipn/", IPN_POST_PARAMS)
self.assertEqual(response.status_code, 200)
ipns = PayPalIPN.objects.all()
self.assertEqual(len(ipns), 1)
ipn_obj = ipns[0]
self.assertEqual(ipn_obj.flag, flagged)
self.assertTrue(self.got_signal)
self.assertEqual(self.signal_obj, ipn_obj)
def test_correct_ipn(self):
self.assertGotSignal(payment_was_successful, False)
def test_failed_ipn(self):
PayPalIPN._postback = lambda self: "INVALID"
self.assertGotSignal(payment_was_flagged, True)
def assertFlagged(self, updates, flag_info):
params = IPN_POST_PARAMS.copy()
params.update(updates)
response = self.client.post("/ipn/", params)
self.assertEqual(response.status_code, 200)
ipn_obj = PayPalIPN.objects.all()[0]
self.assertEqual(ipn_obj.flag, True)
self.assertEqual(ipn_obj.flag_info, flag_info)
def test_incorrect_receiver_email(self):
update = {"receiver_email": "incorrect_email@someotherbusiness.com"}
flag_info = "Invalid receiver_email. (incorrect_email@someotherbusiness.com)"
self.assertFlagged(update, flag_info)
def test_invalid_payment_status(self):
update = {"payment_status": "Failed"}
flag_info = "Invalid payment_status. (Failed)"
self.assertFlagged(update, flag_info)
def test_duplicate_txn_id(self):
self.client.post("/ipn/", IPN_POST_PARAMS)
self.client.post("/ipn/", IPN_POST_PARAMS)
self.assertEqual(len(PayPalIPN.objects.all()), 2)
ipn_obj = PayPalIPN.objects.order_by('-created_at')[1]
self.assertEqual(ipn_obj.flag, True)
self.assertEqual(ipn_obj.flag_info, "Duplicate txn_id. (51403485VH153354B)")