Files
edx-platform/lms/djangoapps/verify_student/tests/test_utils.py

86 lines
3.4 KiB
Python

# -*- coding: utf-8 -*-
"""
Tests for verify_student utility functions.
"""
from datetime import datetime, timedelta
import unittest
import pytz
from mock import patch
from pytest import mark
from django.conf import settings
from lms.djangoapps.verify_student.models import SoftwareSecurePhotoVerification
from lms.djangoapps.verify_student.utils import verification_for_datetime
from student.tests.factories import UserFactory
FAKE_SETTINGS = {
"DAYS_GOOD_FOR": 10,
}
@patch.dict(settings.VERIFY_STUDENT, FAKE_SETTINGS)
@mark.django_db
class TestVerifyStudentUtils(unittest.TestCase):
"""
Tests for utility functions in verify_student.
"""
def test_verification_for_datetime(self):
user = UserFactory.create()
now = datetime.now(pytz.UTC)
# No attempts in the query set, so should return None
query = SoftwareSecurePhotoVerification.objects.filter(user=user)
result = verification_for_datetime(now, query)
self.assertIs(result, None)
# Should also return None if no deadline specified
query = SoftwareSecurePhotoVerification.objects.filter(user=user)
result = verification_for_datetime(None, query)
self.assertIs(result, None)
# Make an attempt
attempt = SoftwareSecurePhotoVerification.objects.create(user=user)
# Before the created date, should get no results
before = attempt.created_at - timedelta(seconds=1)
query = SoftwareSecurePhotoVerification.objects.filter(user=user)
result = verification_for_datetime(before, query)
self.assertIs(result, None)
# Immediately after the created date, should get the attempt
after_created = attempt.created_at + timedelta(seconds=1)
query = SoftwareSecurePhotoVerification.objects.filter(user=user)
result = verification_for_datetime(after_created, query)
self.assertEqual(result, attempt)
# If no deadline specified, should return first available
query = SoftwareSecurePhotoVerification.objects.filter(user=user)
result = verification_for_datetime(None, query)
self.assertEqual(result, attempt)
# Immediately before the expiration date, should get the attempt
expiration = attempt.created_at + timedelta(days=settings.VERIFY_STUDENT["DAYS_GOOD_FOR"])
before_expiration = expiration - timedelta(seconds=1)
query = SoftwareSecurePhotoVerification.objects.filter(user=user)
result = verification_for_datetime(before_expiration, query)
self.assertEqual(result, attempt)
# Immediately after the expiration date, should not get the attempt
attempt.created_at = attempt.created_at - timedelta(days=settings.VERIFY_STUDENT["DAYS_GOOD_FOR"])
attempt.save()
after = datetime.now(pytz.UTC) + timedelta(days=1)
query = SoftwareSecurePhotoVerification.objects.filter(user=user)
result = verification_for_datetime(after, query)
self.assertIs(result, None)
# Create a second attempt in the same window
second_attempt = SoftwareSecurePhotoVerification.objects.create(user=user)
# Now we should get the newer attempt
deadline = second_attempt.created_at + timedelta(days=1)
query = SoftwareSecurePhotoVerification.objects.filter(user=user)
result = verification_for_datetime(deadline, query)
self.assertEqual(result, second_attempt)