def setUp(self):
self.server = StubXQueueService()
self.url = "http://127.0.0.1:{0}".format(self.server.port)
self.addCleanup(self.server.shutdown)
# For testing purposes, do not delay the grading response
self.server.set_config('response_delay', 0)
class StubXQueueServiceTest(unittest.TestCase):
def setUp(self):
self.server = StubXQueueService()
self.url = "http://127.0.0.1:{0}".format(self.server.port)
self.addCleanup(self.server.shutdown)
# For testing purposes, do not delay the grading response
self.server.set_config('response_delay', 0)
@mock.patch('requests.post')
def test_grade_request(self, post):
# Send a grade request
callback_url = 'http://127.0.0.1:8000/test_callback'
grade_header = json.dumps({
'lms_callback_url': callback_url,
'lms_key': 'test_queuekey',
'queue_name': 'test_queue'
})
grade_body = json.dumps({
'student_info': 'test',
'grader_payload': 'test',
'student_response': 'test'
})
grade_request = {
'xqueue_header': grade_header,
'xqueue_body': grade_body
}
response_handle = urllib.urlopen(
self.url + '/xqueue/submit',
urllib.urlencode(grade_request)
)
response_dict = json.loads(response_handle.read())
# Expect that the response is success
self.assertEqual(response_dict['return_code'], 0)
# Expect that the server tries to post back the grading info
xqueue_body = json.dumps(
{'correct': True, 'score': 1, 'msg': '<div></div>'}
)
expected_callback_dict = {
'xqueue_header': grade_header,
'xqueue_body': xqueue_body
}
# Wait for the server to POST back to the callback URL
# Time out if it takes too long
start_time = time.time()
while time.time() - start_time < 5:
if post.called:
break
# Check that the POST request was made with the correct params
post.assert_called_with(callback_url, data=expected_callback_dict)