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https://github.com/pacnpal/django-anymail.git
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296f6cab50
Also includes: * Change AnymailTestMixin.assertDoesNotWarn to filter specific warning classes. * Look specifically for AnymailInsecureWebhookWarning in WebhookBasicAuthTestsMixin.test_warns_if_no_auth (because we don't care *in that test case* about DeprecatedInDjango10 warnings).
117 lines
4.4 KiB
Python
117 lines
4.4 KiB
Python
import base64
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from django.test import override_settings, SimpleTestCase
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from mock import create_autospec, ANY
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from anymail.exceptions import AnymailInsecureWebhookWarning
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from anymail.signals import tracking, inbound
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from .utils import AnymailTestMixin
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def event_handler(sender, event, esp_name, **kwargs):
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"""Prototypical webhook signal handler"""
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pass
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@override_settings(ANYMAIL={'WEBHOOK_AUTHORIZATION': 'username:password'})
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class WebhookTestCase(AnymailTestMixin, SimpleTestCase):
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"""Base for testing webhooks
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- connects webhook signal handlers
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- sets up basic auth by default (since most ESP webhooks warn if it's not enabled)
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"""
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def setUp(self):
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super(WebhookTestCase, self).setUp()
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# Use correct basic auth by default (individual tests can override):
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self.set_basic_auth()
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# Install mocked signal handlers
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self.tracking_handler = create_autospec(event_handler)
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tracking.connect(self.tracking_handler)
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self.addCleanup(tracking.disconnect, self.tracking_handler)
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self.inbound_handler = create_autospec(event_handler)
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inbound.connect(self.inbound_handler)
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self.addCleanup(inbound.disconnect, self.inbound_handler)
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def set_basic_auth(self, username='username', password='password'):
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"""Set basic auth for all subsequent test client requests"""
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credentials = base64.b64encode("{}:{}".format(username, password).encode('utf-8')).decode('utf-8')
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self.client.defaults['HTTP_AUTHORIZATION'] = "Basic {}".format(credentials)
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def assert_handler_called_once_with(self, mockfn, *expected_args, **expected_kwargs):
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"""Verifies mockfn was called with expected_args and at least expected_kwargs.
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Ignores *additional* actual kwargs (which might be added by Django signal dispatch).
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(This differs from mock.assert_called_once_with.)
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Returns the actual kwargs.
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"""
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self.assertEqual(mockfn.call_count, 1)
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actual_args, actual_kwargs = mockfn.call_args
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self.assertEqual(actual_args, expected_args)
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for key, expected_value in expected_kwargs.items():
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if expected_value is ANY:
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self.assertIn(key, actual_kwargs)
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else:
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self.assertEqual(actual_kwargs[key], expected_value)
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return actual_kwargs
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# noinspection PyUnresolvedReferences
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class WebhookBasicAuthTestsMixin(object):
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"""Common test cases for webhook basic authentication.
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Instantiate for each ESP's webhooks by:
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- mixing into WebhookTestCase
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- defining call_webhook to invoke the ESP's webhook
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"""
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should_warn_if_no_auth = True # subclass set False if other webhook verification used
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def call_webhook(self):
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# Concrete test cases should call a webhook via self.client.post,
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# and return the response
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raise NotImplementedError()
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@override_settings(ANYMAIL={}) # Clear the WEBHOOK_AUTH settings from superclass
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def test_warns_if_no_auth(self):
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if self.should_warn_if_no_auth:
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with self.assertWarns(AnymailInsecureWebhookWarning):
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response = self.call_webhook()
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else:
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with self.assertDoesNotWarn(AnymailInsecureWebhookWarning):
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response = self.call_webhook()
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self.assertEqual(response.status_code, 200)
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def test_verifies_basic_auth(self):
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response = self.call_webhook()
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self.assertEqual(response.status_code, 200)
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def test_verifies_bad_auth(self):
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self.set_basic_auth('baduser', 'wrongpassword')
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response = self.call_webhook()
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self.assertEqual(response.status_code, 400)
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def test_verifies_missing_auth(self):
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del self.client.defaults['HTTP_AUTHORIZATION']
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response = self.call_webhook()
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self.assertEqual(response.status_code, 400)
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@override_settings(ANYMAIL={'WEBHOOK_AUTHORIZATION': ['cred1:pass1', 'cred2:pass2']})
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def test_supports_credential_rotation(self):
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"""You can supply a list of basic auth credentials, and any is allowed"""
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self.set_basic_auth('cred1', 'pass1')
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response = self.call_webhook()
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self.assertEqual(response.status_code, 200)
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self.set_basic_auth('cred2', 'pass2')
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response = self.call_webhook()
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self.assertEqual(response.status_code, 200)
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self.set_basic_auth('baduser', 'wrongpassword')
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response = self.call_webhook()
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self.assertEqual(response.status_code, 400)
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