Files
django-anymail/anymail/tests/mock_backend.py
2016-03-07 18:07:48 -08:00

73 lines
2.5 KiB
Python

import json
import requests
import six
from mock import patch
from django.test import TestCase
from django.test.utils import override_settings
MANDRILL_SUCCESS_RESPONSE = b"""[{
"email": "to@example.com",
"status": "sent",
"_id": "abc123",
"reject_reason": null
}]"""
@override_settings(MANDRILL_API_KEY="FAKE_API_KEY_FOR_TESTING",
EMAIL_BACKEND="anymail.backends.mandrill.MandrillBackend")
class DjrillBackendMockAPITestCase(TestCase):
"""TestCase that uses Djrill EmailBackend with a mocked Mandrill API"""
class MockResponse(requests.Response):
"""requests.post return value mock sufficient for MandrillBackend"""
def __init__(self, status_code=200, raw=MANDRILL_SUCCESS_RESPONSE, encoding='utf-8'):
super(DjrillBackendMockAPITestCase.MockResponse, self).__init__()
self.status_code = status_code
self.encoding = encoding
self.raw = six.BytesIO(raw)
def setUp(self):
self.patch = patch('requests.Session.request', autospec=True)
self.mock_post = self.patch.start()
self.mock_post.return_value = self.MockResponse()
def tearDown(self):
self.patch.stop()
def assert_mandrill_called(self, endpoint):
"""Verifies the (mock) Mandrill API was called on endpoint.
endpoint is a Mandrill API, e.g., "/messages/send.json"
"""
# This assumes the last (or only) call to requests.post is the
# Mandrill API call of interest.
if self.mock_post.call_args is None:
raise AssertionError("Mandrill API was not called")
(args, kwargs) = self.mock_post.call_args
try:
post_url = kwargs.get('url', None) or args[2]
except IndexError:
raise AssertionError("requests.Session.request was called without an url (?!)")
if not post_url.endswith(endpoint):
raise AssertionError(
"requests.post was not called on %s\n(It was called on %s)"
% (endpoint, post_url))
def get_api_call_data(self):
"""Returns the data posted to the Mandrill API.
Fails test if API wasn't called.
"""
if self.mock_post.call_args is None:
raise AssertionError("Mandrill API was not called")
(args, kwargs) = self.mock_post.call_args
try:
post_data = kwargs.get('data', None) or args[4]
except IndexError:
raise AssertionError("requests.Session.request was called without data")
return json.loads(post_data)