20800ea561
improved coverage refactoring based on feedback fixed quality violations changes based on feedback
145 lines
5.5 KiB
Python
145 lines
5.5 KiB
Python
# -*- coding: utf-8 -*-
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"""Tests for the XQueue certificates interface. """
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from contextlib import contextmanager
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import json
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from mock import patch, Mock
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from nose.plugins.attrib import attr
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from django.test import TestCase
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from django.test.utils import override_settings
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from opaque_keys.edx.locator import CourseLocator
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from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
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from student.tests.factories import UserFactory, CourseEnrollmentFactory
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from xmodule.modulestore.tests.factories import CourseFactory
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# It is really unfortunate that we are using the XQueue client
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# code from the capa library. In the future, we should move this
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# into a shared library. We import it here so we can mock it
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# and verify that items are being correctly added to the queue
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# in our `XQueueCertInterface` implementation.
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from capa.xqueue_interface import XQueueInterface
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from certificates.queue import XQueueCertInterface
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from certificates.models import ExampleCertificateSet, ExampleCertificate
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@attr('shard_1')
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@override_settings(CERT_QUEUE='certificates')
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class XQueueCertInterfaceAddCertificateTest(ModuleStoreTestCase):
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"""Test the "add to queue" operation of the XQueue interface. """
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def setUp(self):
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super(XQueueCertInterfaceAddCertificateTest, self).setUp()
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self.user = UserFactory.create()
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self.course = CourseFactory.create()
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self.enrollment = CourseEnrollmentFactory(
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user=self.user,
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course_id=self.course.id,
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is_active=True,
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mode="honor",
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)
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self.xqueue = XQueueCertInterface()
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def test_add_cert_callback_url(self):
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with patch('courseware.grades.grade', Mock(return_value={'grade': 'Pass', 'percent': 0.75})):
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with patch.object(XQueueInterface, 'send_to_queue') as mock_send:
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mock_send.return_value = (0, None)
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self.xqueue.add_cert(self.user, self.course.id)
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# Verify that the task was sent to the queue with the correct callback URL
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self.assertTrue(mock_send.called)
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__, kwargs = mock_send.call_args_list[0]
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actual_header = json.loads(kwargs['header'])
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self.assertIn('https://edx.org/update_certificate?key=', actual_header['lms_callback_url'])
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def test_no_create_action_in_queue_for_html_view_certs(self):
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"""
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Tests there is no certificate create message in the queue if generate_pdf is False
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"""
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with patch('courseware.grades.grade', Mock(return_value={'grade': 'Pass', 'percent': 0.75})):
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with patch.object(XQueueInterface, 'send_to_queue') as mock_send:
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self.xqueue.add_cert(self.user, self.course.id, generate_pdf=False)
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# Verify that add_cert method does not add message to queue
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self.assertFalse(mock_send.called)
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@attr('shard_1')
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@override_settings(CERT_QUEUE='certificates')
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class XQueueCertInterfaceExampleCertificateTest(TestCase):
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"""Tests for the XQueue interface for certificate generation. """
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COURSE_KEY = CourseLocator(org='test', course='test', run='test')
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TEMPLATE = 'test.pdf'
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DESCRIPTION = 'test'
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ERROR_MSG = 'Kaboom!'
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def setUp(self):
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super(XQueueCertInterfaceExampleCertificateTest, self).setUp()
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self.xqueue = XQueueCertInterface()
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def test_add_example_cert(self):
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cert = self._create_example_cert()
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with self._mock_xqueue() as mock_send:
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self.xqueue.add_example_cert(cert)
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# Verify that the correct payload was sent to the XQueue
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self._assert_queue_task(mock_send, cert)
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# Verify the certificate status
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self.assertEqual(cert.status, ExampleCertificate.STATUS_STARTED)
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def test_add_example_cert_error(self):
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cert = self._create_example_cert()
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with self._mock_xqueue(success=False):
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self.xqueue.add_example_cert(cert)
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# Verify the error status of the certificate
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self.assertEqual(cert.status, ExampleCertificate.STATUS_ERROR)
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self.assertIn(self.ERROR_MSG, cert.error_reason)
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def _create_example_cert(self):
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"""Create an example certificate. """
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cert_set = ExampleCertificateSet.objects.create(course_key=self.COURSE_KEY)
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return ExampleCertificate.objects.create(
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example_cert_set=cert_set,
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description=self.DESCRIPTION,
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template=self.TEMPLATE
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)
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@contextmanager
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def _mock_xqueue(self, success=True):
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"""Mock the XQueue method for sending a task to the queue. """
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with patch.object(XQueueInterface, 'send_to_queue') as mock_send:
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mock_send.return_value = (0, None) if success else (1, self.ERROR_MSG)
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yield mock_send
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def _assert_queue_task(self, mock_send, cert):
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"""Check that the task was added to the queue. """
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expected_header = {
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'lms_key': cert.access_key,
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'lms_callback_url': 'https://edx.org/update_example_certificate?key={key}'.format(key=cert.uuid),
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'queue_name': 'certificates'
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}
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expected_body = {
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'action': 'create',
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'username': cert.uuid,
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'name': u'John Doë',
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'course_id': unicode(self.COURSE_KEY),
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'template_pdf': 'test.pdf',
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'example_certificate': True
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}
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self.assertTrue(mock_send.called)
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__, kwargs = mock_send.call_args_list[0]
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actual_header = json.loads(kwargs['header'])
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actual_body = json.loads(kwargs['body'])
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self.assertEqual(expected_header, actual_header)
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self.assertEqual(expected_body, actual_body)
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