Files
edx-platform/lms/djangoapps/verify_student/tests/test_views.py
2014-10-14 13:56:49 -04:00

715 lines
29 KiB
Python

# encoding: utf-8
"""
verify_student/start?course_id=MITx/6.002x/2013_Spring # create
/upload_face?course_id=MITx/6.002x/2013_Spring
/upload_photo_id
/confirm # mark_ready()
---> To Payment
"""
import json
import mock
import urllib
import decimal
from mock import patch, Mock
import pytz
from datetime import timedelta, datetime
from django.test.client import Client
from django.test import TestCase
from django.test.utils import override_settings
from django.conf import settings
from django.core.urlresolvers import reverse
from django.core.exceptions import ObjectDoesNotExist
from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, mixed_store_config
from xmodule.modulestore.tests.factories import CourseFactory
from opaque_keys.edx.locations import SlashSeparatedCourseKey
from student.tests.factories import UserFactory
from student.models import CourseEnrollment
from course_modes.tests.factories import CourseModeFactory
from course_modes.models import CourseMode
from shoppingcart.models import Order, CertificateItem
from verify_student.views import render_to_response
from verify_student.models import SoftwareSecurePhotoVerification
from reverification.tests.factories import MidcourseReverificationWindowFactory
# Since we don't need any XML course fixtures, use a modulestore configuration
# that disables the XML modulestore.
MODULESTORE_CONFIG = mixed_store_config(settings.COMMON_TEST_DATA_ROOT, {}, include_xml=False)
def mock_render_to_response(*args, **kwargs):
return render_to_response(*args, **kwargs)
render_mock = Mock(side_effect=mock_render_to_response)
class StartView(TestCase):
def start_url(self, course_id=""):
return "/verify_student/{0}".format(urllib.quote(course_id))
def test_start_new_verification(self):
"""
Test the case where the user has no pending `PhotoVerficiationAttempts`,
but is just starting their first.
"""
user = UserFactory.create(username="rusty", password="test")
self.client.login(username="rusty", password="test")
def must_be_logged_in(self):
self.assertHttpForbidden(self.client.get(self.start_url()))
@override_settings(MODULESTORE=MODULESTORE_CONFIG)
class TestCreateOrderView(ModuleStoreTestCase):
"""
Tests for the create_order view of verified course registration process
"""
def setUp(self):
self.user = UserFactory.create(username="rusty", password="test")
self.client.login(username="rusty", password="test")
self.course_id = 'Robot/999/Test_Course'
self.course = CourseFactory.create(org='Robot', number='999', display_name='Test Course')
verified_mode = CourseMode(
course_id=SlashSeparatedCourseKey("Robot", "999", 'Test_Course'),
mode_slug="verified",
mode_display_name="Verified Certificate",
min_price=50
)
verified_mode.save()
course_mode_post_data = {
'certificate_mode': 'Select Certificate',
'contribution': 50,
'contribution-other-amt': '',
'explain': ''
}
self.client.post(
reverse("course_modes_choose", kwargs={'course_id': self.course_id}),
course_mode_post_data
)
def test_invalid_photos_data(self):
"""
Test that the invalid photo data cannot be submitted
"""
create_order_post_data = {
'contribution': 50,
'course_id': self.course_id,
'face_image': '',
'photo_id_image': ''
}
response = self.client.post(reverse('verify_student_create_order'), create_order_post_data)
json_response = json.loads(response.content)
self.assertFalse(json_response.get('success'))
@patch.dict(settings.FEATURES, {'AUTOMATIC_VERIFY_STUDENT_IDENTITY_FOR_TESTING': True})
def test_invalid_amount(self):
"""
Test that the user cannot give invalid amount
"""
create_order_post_data = {
'contribution': '1.a',
'course_id': self.course_id,
'face_image': ',',
'photo_id_image': ','
}
response = self.client.post(reverse('verify_student_create_order'), create_order_post_data)
self.assertEquals(response.status_code, 400)
self.assertIn('Selected price is not valid number.', response.content)
@patch.dict(settings.FEATURES, {'AUTOMATIC_VERIFY_STUDENT_IDENTITY_FOR_TESTING': True})
def test_invalid_mode(self):
"""
Test that the course without verified mode cannot be processed
"""
course_id = 'Fake/999/Test_Course'
CourseFactory.create(org='Fake', number='999', display_name='Test Course')
create_order_post_data = {
'contribution': '50',
'course_id': course_id,
'face_image': ',',
'photo_id_image': ','
}
response = self.client.post(reverse('verify_student_create_order'), create_order_post_data)
self.assertEquals(response.status_code, 400)
self.assertIn('This course doesn\'t support verified certificates', response.content)
@patch.dict(settings.FEATURES, {'AUTOMATIC_VERIFY_STUDENT_IDENTITY_FOR_TESTING': True})
def test_create_order_success(self):
"""
Test that the order is created successfully when given valid data
"""
create_order_post_data = {
'contribution': 50,
'course_id': self.course_id,
'face_image': ',',
'photo_id_image': ','
}
response = self.client.post(reverse('verify_student_create_order'), create_order_post_data)
json_response = json.loads(response.content)
self.assertTrue(json_response.get('success'))
self.assertIsNotNone(json_response.get('orderNumber'))
# Verify that the order exists and is configured correctly
order = Order.objects.get(user=self.user)
self.assertEqual(order.status, 'paying')
item = CertificateItem.objects.get(order=order)
self.assertEqual(item.status, 'paying')
self.assertEqual(item.course_id, self.course.id)
self.assertEqual(item.mode, 'verified')
@override_settings(MODULESTORE=MODULESTORE_CONFIG)
class TestVerifyView(ModuleStoreTestCase):
def setUp(self):
self.user = UserFactory.create(username="rusty", password="test")
self.client.login(username="rusty", password="test")
self.course_key = SlashSeparatedCourseKey('Robot', '999', 'Test_Course')
CourseFactory.create(org='Robot', number='999', display_name='Test Course')
verified_mode = CourseMode(course_id=self.course_key,
mode_slug="verified",
mode_display_name="Verified Certificate",
min_price=50,
suggested_prices="50.0,100.0")
verified_mode.save()
def test_invalid_course(self):
fake_course_id = "Robot/999/Fake_Course"
url = reverse('verify_student_verify',
kwargs={"course_id": fake_course_id})
response = self.client.get(url)
self.assertEquals(response.status_code, 302)
def test_valid_course_registration_text(self):
url = reverse('verify_student_verify',
kwargs={"course_id": unicode(self.course_key)})
response = self.client.get(url)
self.assertIn("You are now registered to audit", response.content)
def test_valid_course_upgrade_text(self):
url = reverse('verify_student_verify',
kwargs={"course_id": unicode(self.course_key)})
response = self.client.get(url, {'upgrade': "True"})
self.assertIn("You are upgrading your registration for", response.content)
def test_show_selected_contribution_amount(self):
# Set the donation amount in the client's session
session = self.client.session
session['donation_for_course'] = {
unicode(self.course_key): decimal.Decimal('1.23')
}
session.save()
# Retrieve the page
url = reverse('verify_student_verify', kwargs={"course_id": unicode(self.course_key)})
response = self.client.get(url)
# Expect that the user's contribution amount is shown on the page
self.assertContains(response, '1.23')
@override_settings(MODULESTORE=MODULESTORE_CONFIG)
class TestVerifiedView(ModuleStoreTestCase):
"""
Tests for VerifiedView.
"""
def setUp(self):
self.user = UserFactory.create(username="abc", password="test")
self.client.login(username="abc", password="test")
self.course = CourseFactory.create(org='MITx', number='999.1x', display_name='Verified Course')
self.course_id = self.course.id
def test_verified_course_mode_none(self):
"""
Test VerifiedView when there is no active verified mode for course.
"""
url = reverse('verify_student_verified', kwargs={"course_id": self.course_id.to_deprecated_string()})
verify_mode = CourseMode.mode_for_course(self.course_id, "verified")
# Verify mode should be None.
self.assertEquals(verify_mode, None)
response = self.client.get(url)
# Status code should be 302.
self.assertTrue(response.status_code, 302)
# Location should contains dashboard.
self.assertIn('dashboard', response._headers.get('location')[1])
def test_show_selected_contribution_amount(self):
# Configure the course to have a verified mode
for mode in ('audit', 'honor', 'verified'):
CourseModeFactory(mode_slug=mode, course_id=self.course.id)
# Set the donation amount in the client's session
session = self.client.session
session['donation_for_course'] = {
unicode(self.course_id): decimal.Decimal('1.23')
}
session.save()
# Retrieve the page
url = reverse('verify_student_verified', kwargs={"course_id": unicode(self.course_id)})
response = self.client.get(url)
# Expect that the user's contribution amount is shown on the page
self.assertContains(response, '1.23')
@override_settings(MODULESTORE=MODULESTORE_CONFIG)
class TestReverifyView(ModuleStoreTestCase):
"""
Tests for the reverification views
"""
def setUp(self):
self.user = UserFactory.create(username="rusty", password="test")
self.client.login(username="rusty", password="test")
self.course = CourseFactory.create(org='MITx', number='999', display_name='Robot Super Course')
self.course_key = self.course.id
@patch('verify_student.views.render_to_response', render_mock)
def test_reverify_get(self):
url = reverse('verify_student_reverify')
response = self.client.get(url)
self.assertEquals(response.status_code, 200)
((_template, context), _kwargs) = render_mock.call_args
self.assertFalse(context['error'])
@patch('verify_student.views.render_to_response', render_mock)
def test_reverify_post_failure(self):
url = reverse('verify_student_reverify')
response = self.client.post(url, {'face_image': '',
'photo_id_image': ''})
self.assertEquals(response.status_code, 200)
((template, context), _kwargs) = render_mock.call_args
self.assertIn('photo_reverification', template)
self.assertTrue(context['error'])
@patch.dict(settings.FEATURES, {'AUTOMATIC_VERIFY_STUDENT_IDENTITY_FOR_TESTING': True})
def test_reverify_post_success(self):
url = reverse('verify_student_reverify')
response = self.client.post(url, {'face_image': ',',
'photo_id_image': ','})
self.assertEquals(response.status_code, 302)
try:
verification_attempt = SoftwareSecurePhotoVerification.objects.get(user=self.user)
self.assertIsNotNone(verification_attempt)
except ObjectDoesNotExist:
self.fail('No verification object generated')
((template, context), _kwargs) = render_mock.call_args
self.assertIn('photo_reverification', template)
self.assertTrue(context['error'])
@override_settings(MODULESTORE=MODULESTORE_CONFIG)
class TestPhotoVerificationResultsCallback(ModuleStoreTestCase):
"""
Tests for the results_callback view.
"""
def setUp(self):
self.course = CourseFactory.create(org='Robot', number='999', display_name='Test Course')
self.course_id = self.course.id
self.user = UserFactory.create()
self.attempt = SoftwareSecurePhotoVerification(
status="submitted",
user=self.user
)
self.attempt.save()
self.receipt_id = self.attempt.receipt_id
self.client = Client()
def mocked_has_valid_signature(method, headers_dict, body_dict, access_key, secret_key):
return True
def test_invalid_json(self):
"""
Test for invalid json being posted by software secure.
"""
data = {"Testing invalid"}
response = self.client.post(
reverse('verify_student_results_callback'),
data=data,
content_type='application/json',
HTTP_AUTHORIZATION='test BBBBBBBBBBBBBBBBBBBB: testing',
HTTP_DATE='testdate'
)
self.assertIn('Invalid JSON', response.content)
self.assertEqual(response.status_code, 400)
def test_invalid_dict(self):
"""
Test for invalid dictionary being posted by software secure.
"""
data = '"\\"Test\\tTesting"'
response = self.client.post(
reverse('verify_student_results_callback'),
data=data,
content_type='application/json',
HTTP_AUTHORIZATION='test BBBBBBBBBBBBBBBBBBBB:testing',
HTTP_DATE='testdate'
)
self.assertIn('JSON should be dict', response.content)
self.assertEqual(response.status_code, 400)
@mock.patch('verify_student.ssencrypt.has_valid_signature', mock.Mock(side_effect=mocked_has_valid_signature))
def test_invalid_access_key(self):
"""
Test for invalid access key.
"""
data = {
"EdX-ID": self.receipt_id,
"Result": "Testing",
"Reason": "Testing",
"MessageType": "Testing"
}
json_data = json.dumps(data)
response = self.client.post(
reverse('verify_student_results_callback'),
data=json_data,
content_type='application/json',
HTTP_AUTHORIZATION='test testing:testing',
HTTP_DATE='testdate'
)
self.assertIn('Access key invalid', response.content)
self.assertEqual(response.status_code, 400)
@mock.patch('verify_student.ssencrypt.has_valid_signature', mock.Mock(side_effect=mocked_has_valid_signature))
def test_wrong_edx_id(self):
"""
Test for wrong id of Software secure verification attempt.
"""
data = {
"EdX-ID": "Invalid-Id",
"Result": "Testing",
"Reason": "Testing",
"MessageType": "Testing"
}
json_data = json.dumps(data)
response = self.client.post(
reverse('verify_student_results_callback'),
data=json_data,
content_type='application/json',
HTTP_AUTHORIZATION='test BBBBBBBBBBBBBBBBBBBB:testing',
HTTP_DATE='testdate'
)
self.assertIn('edX ID Invalid-Id not found', response.content)
self.assertEqual(response.status_code, 400)
@mock.patch('verify_student.ssencrypt.has_valid_signature', mock.Mock(side_effect=mocked_has_valid_signature))
def test_pass_result(self):
"""
Test for verification passed.
"""
data = {
"EdX-ID": self.receipt_id,
"Result": "PASS",
"Reason": "",
"MessageType": "You have been verified."
}
json_data = json.dumps(data)
response = self.client.post(
reverse('verify_student_results_callback'), data=json_data,
content_type='application/json',
HTTP_AUTHORIZATION='test BBBBBBBBBBBBBBBBBBBB:testing',
HTTP_DATE='testdate'
)
attempt = SoftwareSecurePhotoVerification.objects.get(receipt_id=self.receipt_id)
self.assertEqual(attempt.status, u'approved')
self.assertEquals(response.content, 'OK!')
@mock.patch('verify_student.ssencrypt.has_valid_signature', mock.Mock(side_effect=mocked_has_valid_signature))
def test_fail_result(self):
"""
Test for failed verification.
"""
data = {
"EdX-ID": self.receipt_id,
"Result": 'FAIL',
"Reason": 'Invalid photo',
"MessageType": 'Your photo doesn\'t meet standards.'
}
json_data = json.dumps(data)
response = self.client.post(
reverse('verify_student_results_callback'),
data=json_data,
content_type='application/json',
HTTP_AUTHORIZATION='test BBBBBBBBBBBBBBBBBBBB:testing',
HTTP_DATE='testdate'
)
attempt = SoftwareSecurePhotoVerification.objects.get(receipt_id=self.receipt_id)
self.assertEqual(attempt.status, u'denied')
self.assertEqual(attempt.error_code, u'Your photo doesn\'t meet standards.')
self.assertEqual(attempt.error_msg, u'"Invalid photo"')
self.assertEquals(response.content, 'OK!')
@mock.patch('verify_student.ssencrypt.has_valid_signature', mock.Mock(side_effect=mocked_has_valid_signature))
def test_system_fail_result(self):
"""
Test for software secure result system failure.
"""
data = {"EdX-ID": self.receipt_id,
"Result": 'SYSTEM FAIL',
"Reason": 'Memory overflow',
"MessageType": 'You must retry the verification.'}
json_data = json.dumps(data)
response = self.client.post(
reverse('verify_student_results_callback'),
data=json_data,
content_type='application/json',
HTTP_AUTHORIZATION='test BBBBBBBBBBBBBBBBBBBB:testing',
HTTP_DATE='testdate'
)
attempt = SoftwareSecurePhotoVerification.objects.get(receipt_id=self.receipt_id)
self.assertEqual(attempt.status, u'must_retry')
self.assertEqual(attempt.error_code, u'You must retry the verification.')
self.assertEqual(attempt.error_msg, u'"Memory overflow"')
self.assertEquals(response.content, 'OK!')
@mock.patch('verify_student.ssencrypt.has_valid_signature', mock.Mock(side_effect=mocked_has_valid_signature))
def test_unknown_result(self):
"""
test for unknown software secure result
"""
data = {
"EdX-ID": self.receipt_id,
"Result": 'Unknown',
"Reason": 'Unknown reason',
"MessageType": 'Unknown message'
}
json_data = json.dumps(data)
response = self.client.post(
reverse('verify_student_results_callback'),
data=json_data,
content_type='application/json',
HTTP_AUTHORIZATION='test BBBBBBBBBBBBBBBBBBBB:testing',
HTTP_DATE='testdate'
)
self.assertIn('Result Unknown not understood', response.content)
@mock.patch('verify_student.ssencrypt.has_valid_signature', mock.Mock(side_effect=mocked_has_valid_signature))
def test_reverification(self):
"""
Test software secure result for reverification window.
"""
data = {
"EdX-ID": self.receipt_id,
"Result": "PASS",
"Reason": "",
"MessageType": "You have been verified."
}
window = MidcourseReverificationWindowFactory(course_id=self.course_id)
self.attempt.window = window
self.attempt.save()
json_data = json.dumps(data)
self.assertEqual(CourseEnrollment.objects.filter(course_id=self.course_id).count(), 0)
response = self.client.post(
reverse('verify_student_results_callback'),
data=json_data,
content_type='application/json',
HTTP_AUTHORIZATION='test BBBBBBBBBBBBBBBBBBBB:testing',
HTTP_DATE='testdate'
)
self.assertEquals(response.content, 'OK!')
self.assertIsNotNone(CourseEnrollment.objects.get(course_id=self.course_id))
@override_settings(MODULESTORE=MODULESTORE_CONFIG)
class TestMidCourseReverifyView(ModuleStoreTestCase):
""" Tests for the midcourse reverification views """
def setUp(self):
self.user = UserFactory.create(username="rusty", password="test")
self.client.login(username="rusty", password="test")
self.course_key = SlashSeparatedCourseKey("Robot", "999", "Test_Course")
CourseFactory.create(org='Robot', number='999', display_name='Test Course')
patcher = patch('student.models.tracker')
self.mock_tracker = patcher.start()
self.addCleanup(patcher.stop)
@patch('verify_student.views.render_to_response', render_mock)
def test_midcourse_reverify_get(self):
url = reverse('verify_student_midcourse_reverify',
kwargs={"course_id": self.course_key.to_deprecated_string()})
response = self.client.get(url)
self.mock_tracker.emit.assert_any_call( # pylint: disable=maybe-no-member
'edx.course.enrollment.mode_changed',
{
'user_id': self.user.id,
'course_id': self.course_key.to_deprecated_string(),
'mode': "verified",
}
)
# Check that user entering the reverify flow was logged, and that it was the last call
self.mock_tracker.emit.assert_called_with( # pylint: disable=maybe-no-member
'edx.course.enrollment.reverify.started',
{
'user_id': self.user.id,
'course_id': self.course_key.to_deprecated_string(),
'mode': "verified",
}
)
self.assertTrue(self.mock_tracker.emit.call_count, 2)
self.mock_tracker.emit.reset_mock() # pylint: disable=maybe-no-member
self.assertEquals(response.status_code, 200)
((_template, context), _kwargs) = render_mock.call_args
self.assertFalse(context['error'])
@patch.dict(settings.FEATURES, {'AUTOMATIC_VERIFY_STUDENT_IDENTITY_FOR_TESTING': True})
def test_midcourse_reverify_post_success(self):
window = MidcourseReverificationWindowFactory(course_id=self.course_key)
url = reverse('verify_student_midcourse_reverify', kwargs={'course_id': self.course_key.to_deprecated_string()})
response = self.client.post(url, {'face_image': ','})
self.mock_tracker.emit.assert_any_call( # pylint: disable=maybe-no-member
'edx.course.enrollment.mode_changed',
{
'user_id': self.user.id,
'course_id': self.course_key.to_deprecated_string(),
'mode': "verified",
}
)
# Check that submission event was logged, and that it was the last call
self.mock_tracker.emit.assert_called_with( # pylint: disable=maybe-no-member
'edx.course.enrollment.reverify.submitted',
{
'user_id': self.user.id,
'course_id': self.course_key.to_deprecated_string(),
'mode': "verified",
}
)
self.assertTrue(self.mock_tracker.emit.call_count, 2)
self.mock_tracker.emit.reset_mock() # pylint: disable=maybe-no-member
self.assertEquals(response.status_code, 302)
try:
verification_attempt = SoftwareSecurePhotoVerification.objects.get(user=self.user, window=window)
self.assertIsNotNone(verification_attempt)
except ObjectDoesNotExist:
self.fail('No verification object generated')
@patch.dict(settings.FEATURES, {'AUTOMATIC_VERIFY_STUDENT_IDENTITY_FOR_TESTING': True})
def test_midcourse_reverify_post_failure_expired_window(self):
window = MidcourseReverificationWindowFactory(
course_id=self.course_key,
start_date=datetime.now(pytz.UTC) - timedelta(days=100),
end_date=datetime.now(pytz.UTC) - timedelta(days=50),
)
url = reverse('verify_student_midcourse_reverify', kwargs={'course_id': self.course_key.to_deprecated_string()})
response = self.client.post(url, {'face_image': ','})
self.assertEquals(response.status_code, 302)
with self.assertRaises(ObjectDoesNotExist):
SoftwareSecurePhotoVerification.objects.get(user=self.user, window=window)
@patch('verify_student.views.render_to_response', render_mock)
def test_midcourse_reverify_dash(self):
url = reverse('verify_student_midcourse_reverify_dash')
response = self.client.get(url)
# not enrolled in any courses
self.assertEquals(response.status_code, 200)
enrollment = CourseEnrollment.get_or_create_enrollment(self.user, self.course_key)
enrollment.update_enrollment(mode="verified", is_active=True)
MidcourseReverificationWindowFactory(course_id=self.course_key)
response = self.client.get(url)
# enrolled in a verified course, and the window is open
self.assertEquals(response.status_code, 200)
@override_settings(MODULESTORE=MODULESTORE_CONFIG)
class TestReverificationBanner(ModuleStoreTestCase):
""" Tests for the midcourse reverification failed toggle banner off """
@patch.dict(settings.FEATURES, {'AUTOMATIC_VERIFY_STUDENT_IDENTITY_FOR_TESTING': True})
def setUp(self):
self.user = UserFactory.create(username="rusty", password="test")
self.client.login(username="rusty", password="test")
self.course_id = 'Robot/999/Test_Course'
CourseFactory.create(org='Robot', number='999', display_name=u'Test Course é')
self.window = MidcourseReverificationWindowFactory(course_id=self.course_id)
url = reverse('verify_student_midcourse_reverify', kwargs={'course_id': self.course_id})
self.client.post(url, {'face_image': ','})
photo_verification = SoftwareSecurePhotoVerification.objects.get(user=self.user, window=self.window)
photo_verification.status = 'denied'
photo_verification.save()
def test_banner_display_off(self):
self.client.post(reverse('verify_student_toggle_failed_banner_off'))
photo_verification = SoftwareSecurePhotoVerification.objects.get(user=self.user, window=self.window)
self.assertFalse(photo_verification.display)
@override_settings(MODULESTORE=MODULESTORE_CONFIG)
class TestCreateOrder(ModuleStoreTestCase):
""" Tests for the create order view. """
def setUp(self):
""" Create a user and course. """
self.user = UserFactory.create(username="test", password="test")
self.course = CourseFactory.create()
for mode in ('audit', 'honor', 'verified'):
CourseModeFactory(mode_slug=mode, course_id=self.course.id)
self.client.login(username="test", password="test")
def test_create_order_already_verified(self):
# Verify the student so we don't need to submit photos
self._verify_student()
# Create an order
url = reverse('verify_student_create_order')
params = {
'course_id': unicode(self.course.id),
}
response = self.client.post(url, params)
self.assertEqual(response.status_code, 200)
# Verify that the information will be sent to the correct callback URL
# (configured by test settings)
data = json.loads(response.content)
self.assertEqual(data['override_custom_receipt_page'], "http://testserver/shoppingcart/postpay_callback/")
# Verify that the course ID is included in "merchant-defined data"
self.assertEqual(data['merchant_defined_data1'], unicode(self.course.id))
def test_create_order_set_donation_amount(self):
# Verify the student so we don't need to submit photos
self._verify_student()
# Create an order
url = reverse('verify_student_create_order')
params = {
'course_id': unicode(self.course.id),
'contribution': '1.23'
}
self.client.post(url, params)
# Verify that the client's session contains the new donation amount
self.assertIn('donation_for_course', self.client.session)
self.assertIn(unicode(self.course.id), self.client.session['donation_for_course'])
actual_amount = self.client.session['donation_for_course'][unicode(self.course.id)]
expected_amount = decimal.Decimal('1.23')
self.assertEqual(actual_amount, expected_amount)
def _verify_student(self):
""" Simulate that the student's identity has already been verified. """
attempt = SoftwareSecurePhotoVerification.objects.create(user=self.user)
attempt.mark_ready()
attempt.submit()
attempt.approve()