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207e94e6d0
Add DjrillBackendMockAPITestCase.assert_mandrill_called; use it in representative backend test cases. (Also make get_api_call_data work with various ways of calling requests.post.)
65 lines
2.4 KiB
Python
65 lines
2.4 KiB
Python
from mock import patch
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from django.conf import settings
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from django.test import TestCase
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from django.utils import simplejson as json
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class DjrillBackendMockAPITestCase(TestCase):
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"""TestCase that uses Djrill EmailBackend with a mocked Mandrill API"""
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class MockResponse:
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"""requests.post return value mock sufficient for DjrillBackend"""
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def __init__(self, status_code=200, content="{}"):
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self.status_code = status_code
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self.content = content
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def setUp(self):
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self.patch = patch('requests.post', autospec=True)
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self.mock_post = self.patch.start()
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self.mock_post.return_value = self.MockResponse()
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settings.MANDRILL_API_KEY = "FAKE_API_KEY_FOR_TESTING"
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# Django TestCase sets up locmem EmailBackend; override it here
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self.original_email_backend = settings.EMAIL_BACKEND
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settings.EMAIL_BACKEND = "djrill.mail.backends.djrill.DjrillBackend"
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def tearDown(self):
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self.patch.stop()
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settings.EMAIL_BACKEND = self.original_email_backend
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def assert_mandrill_called(self, endpoint):
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"""Verifies the (mock) Mandrill API was called on endpoint.
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endpoint is a Mandrill API, e.g., "/messages/send.json"
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"""
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# This assumes the last (or only) call to requests.post is the
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# Mandrill API call of interest.
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if self.mock_post.call_args is None:
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raise AssertionError("Mandrill API was not called")
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(args, kwargs) = self.mock_post.call_args
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try:
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post_url = kwargs.get('url', None) or args[0]
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except IndexError:
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raise AssertionError("requests.post was called without an url (?!)")
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if not post_url.endswith(endpoint):
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raise AssertionError(
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"requests.post was not called on %s\n(It was called on %s)"
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% (endpoint, post_url))
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def get_api_call_data(self):
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"""Returns the data posted to the Mandrill API.
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Fails test if API wasn't called.
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"""
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if self.mock_post.call_args is None:
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raise AssertionError("Mandrill API was not called")
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(args, kwargs) = self.mock_post.call_args
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try:
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post_data = kwargs.get('data', None) or args[1]
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except IndexError:
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raise AssertionError("requests.post was called without data")
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return json.loads(post_data)
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