import uuid
from unittest.mock import patch
import stripe
from django.http.request import HttpRequest
from django.test import Client
from django.test import TestCase
from model_mommy import mommy
from datacenterlight.models import StripePlan
from membership.models import StripeCustomer
from utils.stripe_utils import StripeUtils
from django.conf import settings
class BaseTestCase(TestCase):
"""
Base class to initialize the test cases
"""
def setUp(self):
# Password
self.dummy_password = 'test_password'
# Users
self.customer, self.another_customer = mommy.make(
'membership.CustomUser',
_quantity=2)
self.customer.set_password(self.dummy_password)
self.customer.save()
self.another_customer.set_password(self.dummy_password)
self.another_customer.save()
# Stripe mocked data
self.stripe_mocked_customer = self.customer_stripe_mocked_data()
# Clients
self.customer_client = self.get_client(self.customer)
self.another_customer_client = self.get_client(self.another_customer)
# Request Object
self.request = HttpRequest()
self.request.META['SERVER_NAME'] = 'ungleich.com'
self.request.META['SERVER_PORT'] = '80'
def get_client(self, user):
"""
Authenticate a user and return the client
"""
client = Client()
client.login(email=user.email, password=self.dummy_password)
return client
def customer_stripe_mocked_data(self):
return {
"id": "cus_8R1y9UWaIIjZqr",
"object": "customer",
"currency": "usd",
"default_source": "card_18A9up2eZvKYlo2Cq2RJMGeF",
"email": "vmedixtodd+1@gmail.com",
"livemode": False,
"metadata": {
},
"shipping": None,
"sources": {
"object": "list",
"data": [{
"id": "card_18A9up2eZvKYlo2Cq2RJMGeF",
"object": "card",
"brand": "Visa",
"country": "US",
"customer": "cus_8R1y9UWaIIjZqr",
"cvc_check": "pass",
"dynamic_last4": None,
"exp_month": 12,
"exp_year": 2018,
"funding": "credit",
"last4": "4242",
}]
}
}
def setup_view(self, view, *args, **kwargs):
"""Mimic as_view() returned callable, but returns view instance.
args and kwargs are the same you would pass to ``reverse()``
"""
view.request = self.request
view.args = args
view.kwargs = kwargs
view.config = None
return view
class TestStripeCustomerDescription(TestCase):
"""
A class to test setting the description field of the stripe customer
https://stripe.com/docs/api#metadata
"""
def setUp(self):
self.customer_password = 'test_password'
self.customer_email = 'test@ungleich.ch'
self.customer_name = "Monty Python"
self.customer = mommy.make('membership.CustomUser')
self.customer.set_password(self.customer_password)
self.customer.email = self.customer_email
self.customer.save()
self.stripe_utils = StripeUtils()
stripe.api_key = settings.STRIPE_API_PRIVATE_KEY_TEST
self.token = stripe.Token.create(
card={
"number": '4111111111111111',
"exp_month": 12,
"exp_year": 2022,
"cvc": '123'
},
)
self.failed_token = stripe.Token.create(
card={
"number": '4000000000000341',
"exp_month": 12,
"exp_year": 2022,
"cvc": '123'
},
)
def test_creating_stripe_customer(self):
stripe_data = self.stripe_utils.create_customer(self.token.id,
self.customer.email,
self.customer_name)
self.assertEqual(stripe_data.get('error'), None)
customer_data = stripe_data.get('response_object')
self.assertEqual(customer_data.description, self.customer_name)
class StripePlanTestCase(TestStripeCustomerDescription):
"""
A class to test Stripe plans
"""
def test_get_stripe_plan_id_string(self):
plan_id_string = StripeUtils.get_stripe_plan_id(cpu=2, ram=20, ssd=100,
version=1, app='dcl')
self.assertEqual(plan_id_string, 'dcl-v1-cpu-2-ram-20gb-ssd-100gb')
plan_id_string = StripeUtils.get_stripe_plan_id(cpu=2, ram=20, ssd=100,
version=1, app='dcl',
hdd=200)
self.assertEqual(plan_id_string,
'dcl-v1-cpu-2-ram-20gb-ssd-100gb-hdd-200gb')
def test_get_or_create_plan(self):
stripe_plan = self.stripe_utils.get_or_create_stripe_plan(2000,
"test plan 1",
stripe_plan_id='test-plan-1')
self.assertIsNone(stripe_plan.get('error'))
self.assertIsInstance(stripe_plan.get('response_object'), StripePlan)
@patch('utils.stripe_utils.logger')
def test_create_duplicate_plans_error_handling(self, mock_logger):
"""
Test details:
1. Create a test plan in Stripe with a particular id
2. Try to recreate the plan with the same id
3. This creates a Stripe error, the code should be able to handle the error
:param mock_logger:
:return:
"""
unique_id = str(uuid.uuid4().hex)
new_plan_id_str = 'test-plan-{}'.format(unique_id)
stripe_plan = self.stripe_utils.get_or_create_stripe_plan(2000,
"test plan {}".format(
unique_id),
stripe_plan_id=new_plan_id_str)
self.assertIsInstance(stripe_plan.get('response_object'), StripePlan)
self.assertEqual(stripe_plan.get('response_object').stripe_plan_id,
new_plan_id_str)
# Test creating the same plan again and expect the PLAN_EXISTS_ERROR_MSG
# We first delete the local Stripe Plan, so that the code tries to create a new plan in Stripe
StripePlan.objects.filter(
stripe_plan_id=new_plan_id_str).all().delete()
stripe_plan_1 = self.stripe_utils.get_or_create_stripe_plan(2000,
"test plan {}".format(
unique_id),
stripe_plan_id=new_plan_id_str)
mock_logger.debug.assert_called_with(
self.stripe_utils.PLAN_EXISTS_ERROR_MSG.format(new_plan_id_str))
self.assertIsInstance(stripe_plan_1.get('response_object'), StripePlan)
self.assertEqual(stripe_plan_1.get('response_object').stripe_plan_id,
new_plan_id_str)
# Delete the test stripe plan that we just created
delete_result = self.stripe_utils.delete_stripe_plan(new_plan_id_str)
self.assertIsInstance(delete_result, dict)
self.assertEqual(delete_result.get('response_object'), True)
@patch('utils.stripe_utils.logger')
def test_delete_unexisting_plan_should_fail(self, mock_logger):
plan_id = 'crazy-plan-id-that-does-not-exist'
result = self.stripe_utils.delete_stripe_plan(plan_id)
self.assertIsInstance(result, dict)
self.assertEqual(result.get('response_object'), False)
mock_logger.debug.assert_called_with(
self.stripe_utils.PLAN_DOES_NOT_EXIST_ERROR_MSG.format(plan_id))
def test_subscribe_customer_to_plan(self):
stripe_plan = self.stripe_utils.get_or_create_stripe_plan(2000,
"test plan 1",
stripe_plan_id='test-plan-1')
stripe_customer = StripeCustomer.get_or_create(
email=self.customer_email,
token=self.token)
result = self.stripe_utils.subscribe_customer_to_plan(
stripe_customer.stripe_id,
[{"plan": stripe_plan.get(
'response_object').stripe_plan_id}])
self.assertIsInstance(result.get('response_object'),
stripe.Subscription)
self.assertIsNone(result.get('error'))
self.assertEqual(result.get('response_object').get('status'), 'active')
def test_subscribe_customer_to_plan_failed_payment(self):
stripe_plan = self.stripe_utils.get_or_create_stripe_plan(2000,
"test plan 1",
stripe_plan_id='test-plan-1')
stripe_customer = StripeCustomer.get_or_create(
email=self.customer_email,
token=self.failed_token)
result = self.stripe_utils.subscribe_customer_to_plan(
stripe_customer.stripe_id,
[{"plan": stripe_plan.get(
'response_object').stripe_plan_id}])
self.assertIsNone(result.get('response_object'), None)
self.assertIsNotNone(result.get('error'))