Files
edx-platform/lms/djangoapps/certificates/tests/test_support_views.py

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19 KiB
Python

"""
Tests for certificate app views used by the support team.
"""
import json
from unittest.mock import patch
from uuid import uuid4
import ddt
from django.conf import settings
from django.test.utils import override_settings
from django.urls import reverse
from opaque_keys.edx.keys import CourseKey
from common.djangoapps.student.models import CourseEnrollment
from common.djangoapps.student.roles import GlobalStaff, SupportStaffRole
from common.djangoapps.student.tests.factories import UserFactory
from lms.djangoapps.certificates.api import regenerate_user_certificates
from lms.djangoapps.certificates.models import CertificateInvalidation, CertificateStatuses, GeneratedCertificate
from lms.djangoapps.certificates.tests.factories import CertificateInvalidationFactory, GeneratedCertificateFactory
from lms.djangoapps.grades.tests.utils import mock_passing_grade
from openedx.core.djangoapps.content.course_overviews.tests.factories import CourseOverviewFactory
from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
from xmodule.modulestore.tests.factories import CourseFactory
FEATURES_WITH_CERTS_ENABLED = settings.FEATURES.copy()
FEATURES_WITH_CERTS_ENABLED['CERTIFICATES_HTML_VIEW'] = True
class CertificateSupportTestCase(ModuleStoreTestCase):
"""
Base class for tests of the certificate support views.
"""
SUPPORT_USERNAME = "support"
SUPPORT_EMAIL = "support@example.com"
SUPPORT_PASSWORD = "support"
STUDENT_USERNAME = "student"
STUDENT_EMAIL = "student@example.com"
STUDENT_PASSWORD = "student"
CERT_COURSE_KEY = CourseKey.from_string("edX/DemoX/Demo_Course")
COURSE_NOT_EXIST_KEY = CourseKey.from_string("test/TestX/Test_Course_Not_Exist")
EXISTED_COURSE_KEY_1 = CourseKey.from_string("test1/Test1X/Test_Course_Exist_1")
EXISTED_COURSE_KEY_2 = CourseKey.from_string("test2/Test2X/Test_Course_Exist_2")
CERT_GRADE = 0.89
CERT_STATUS = CertificateStatuses.downloadable
CERT_MODE = "verified"
CERT_DOWNLOAD_URL = "http://www.example.com/cert.pdf"
def setUp(self):
"""
Create a support team member and a student with a certificate.
Log in as the support team member.
"""
super().setUp()
CourseFactory(
org=CertificateSupportTestCase.EXISTED_COURSE_KEY_1.org,
course=CertificateSupportTestCase.EXISTED_COURSE_KEY_1.course,
run=CertificateSupportTestCase.EXISTED_COURSE_KEY_1.run,
)
# Create the support staff user
self.support = UserFactory(
username=self.SUPPORT_USERNAME,
email=self.SUPPORT_EMAIL,
password=self.SUPPORT_PASSWORD,
)
SupportStaffRole().add_users(self.support)
# Create a student
self.student = UserFactory(
username=self.STUDENT_USERNAME,
email=self.STUDENT_EMAIL,
password=self.STUDENT_PASSWORD,
)
# Create certificates for the student
self.cert = GeneratedCertificateFactory(
user=self.student,
course_id=self.CERT_COURSE_KEY,
grade=self.CERT_GRADE,
status=self.CERT_STATUS,
mode=self.CERT_MODE,
download_url=self.CERT_DOWNLOAD_URL,
verify_uuid=uuid4().hex
)
# Login as support staff
success = self.client.login(username=self.SUPPORT_USERNAME, password=self.SUPPORT_PASSWORD)
assert success, "Couldn't log in as support staff"
@ddt.ddt
class CertificateSearchTests(CertificateSupportTestCase):
"""
Tests for the certificate search end-point used by the support team.
"""
def setUp(self):
"""
Create a course
"""
super().setUp()
self.course = CourseFactory(
org=self.CERT_COURSE_KEY.org,
course=self.CERT_COURSE_KEY.course,
run=self.CERT_COURSE_KEY.run,
)
self.course.cert_html_view_enabled = True
self.course_key = self.course.id # pylint: disable=no-member
# Course certificate configurations
certificates = [
{
'id': 1,
'name': 'Name 1',
'description': 'Description 1',
'course_title': 'course_title_1',
'signatories': [],
'version': 1,
'is_active': True
}
]
self.course.certificates = {'certificates': certificates}
self.course.save() # pylint: disable=no-member
self.store.update_item(self.course, self.user.id)
self.course_overview = CourseOverviewFactory(
id=self.course_key,
cert_html_view_enabled=True,
)
@ddt.data(
(GlobalStaff, True),
(SupportStaffRole, True),
(None, False),
)
@ddt.unpack
def test_access_control(self, role, has_access):
# Create a user and log in
user = UserFactory(username="foo", password="foo")
success = self.client.login(username="foo", password="foo")
assert success, 'Could not log in'
# Assign the user to the role
if role is not None:
role().add_users(user)
# Retrieve the page
response = self._search("foo")
if has_access:
self.assertContains(response, json.dumps([]))
else:
assert response.status_code == 403
@ddt.data(
(CertificateSupportTestCase.STUDENT_USERNAME, True),
(CertificateSupportTestCase.STUDENT_EMAIL, True),
("bar", False),
("bar@example.com", False),
("", False),
(CertificateSupportTestCase.STUDENT_USERNAME, False, 'invalid_key'),
(CertificateSupportTestCase.STUDENT_USERNAME, False,
str(CertificateSupportTestCase.COURSE_NOT_EXIST_KEY)),
(CertificateSupportTestCase.STUDENT_USERNAME, True,
str(CertificateSupportTestCase.EXISTED_COURSE_KEY_1)),
)
@ddt.unpack
def test_search(self, user_filter, expect_result, course_filter=None):
response = self._search(user_filter, course_filter)
if expect_result:
assert response.status_code == 200
results = json.loads(response.content.decode('utf-8'))
assert len(results) == 1
else:
assert response.status_code == 400
def test_search_with_plus_sign(self):
"""
Test that email address that contains '+' accepted by student support
"""
self.student.email = "student+student@example.com"
self.student.save()
response = self._search(self.student.email)
assert response.status_code == 200
results = json.loads(response.content.decode('utf-8'))
assert len(results) == 1
retrieved_data = results[0]
assert retrieved_data['username'] == self.STUDENT_USERNAME
def test_results(self):
response = self._search(self.STUDENT_USERNAME)
assert response.status_code == 200
results = json.loads(response.content.decode('utf-8'))
assert len(results) == 1
retrieved_cert = results[0]
assert retrieved_cert['username'] == self.STUDENT_USERNAME
assert retrieved_cert['course_key'] == str(self.CERT_COURSE_KEY)
assert retrieved_cert['created'] == self.cert.created_date.isoformat()
assert retrieved_cert['modified'] == self.cert.modified_date.isoformat()
assert retrieved_cert['grade'] == str(self.CERT_GRADE)
assert retrieved_cert['status'] == self.CERT_STATUS
assert retrieved_cert['type'] == self.CERT_MODE
assert retrieved_cert['download_url'] == self.CERT_DOWNLOAD_URL
assert not retrieved_cert['regenerate']
@override_settings(FEATURES=FEATURES_WITH_CERTS_ENABLED)
def test_download_link(self):
self.cert.course_id = self.course_key
self.cert.download_url = ''
self.cert.save()
response = self._search(self.STUDENT_USERNAME)
assert response.status_code == 200
results = json.loads(response.content.decode('utf-8'))
assert len(results) == 1
retrieved_cert = results[0]
assert retrieved_cert['download_url'] ==\
reverse('certificates:render_cert_by_uuid',
kwargs={'certificate_uuid': self.cert.verify_uuid})
assert retrieved_cert['regenerate']
def _search(self, user_filter, course_filter=None):
"""Execute a search and return the response. """
url = reverse("certificates:search") + "?user=" + user_filter
if course_filter:
url += '&course_id=' + course_filter
return self.client.get(url)
@ddt.ddt
class CertificateRegenerateTests(CertificateSupportTestCase):
"""
Tests for the certificate regeneration end-point used by the support team.
"""
def setUp(self):
"""
Create a course and enroll the student in the course.
"""
super().setUp()
self.course = CourseFactory(
org=self.CERT_COURSE_KEY.org,
course=self.CERT_COURSE_KEY.course,
run=self.CERT_COURSE_KEY.run,
)
self.course_key = self.course.id # pylint: disable=no-member
CourseEnrollment.enroll(self.student, self.CERT_COURSE_KEY, self.CERT_MODE)
@ddt.data(
(GlobalStaff, True),
(SupportStaffRole, True),
(None, False),
)
@ddt.unpack
def test_access_control(self, role, has_access):
# Create a user and log in
user = UserFactory(username="foo", password="foo")
success = self.client.login(username="foo", password="foo")
assert success, 'Could not log in'
# Assign the user to the role
if role is not None:
role().add_users(user)
# Make a POST request
# Since we're not passing valid parameters, we'll get an error response
# but at least we'll know we have access
response = self._regenerate()
if has_access:
assert response.status_code == 400
else:
assert response.status_code == 403
def test_regenerate_certificate(self):
"""Test web certificate regeneration."""
self.cert.download_url = ''
self.cert.save()
response = self._regenerate(
course_key=self.course_key,
username=self.STUDENT_USERNAME,
)
assert response.status_code == 200
# Check that the user's certificate was updated
# Since the student hasn't actually passed the course,
# we'd expect that the certificate status will be "notpassing"
cert = GeneratedCertificate.eligible_certificates.get(user=self.student)
assert cert.status == CertificateStatuses.notpassing
@patch('lms.djangoapps.certificates.queue.XQueueCertInterface._generate_cert')
def test_regenerate_certificate_for_honor_mode(self, mock_generate_cert):
"""Test web certificate regeneration for the users who have earned the
certificate in honor mode
"""
self.cert.mode = 'honor'
self.cert.download_url = ''
self.cert.save()
with mock_passing_grade(percent=0.75):
with patch('common.djangoapps.course_modes.models.CourseMode.mode_for_course') as mock_mode_for_course:
mock_mode_for_course.return_value = 'honor'
regenerate_user_certificates(self.student, self.course_key,
course=self.course)
mock_generate_cert.assert_called()
def test_regenerate_certificate_missing_params(self):
# Missing username
response = self._regenerate(course_key=self.CERT_COURSE_KEY)
assert response.status_code == 400
# Missing course key
response = self._regenerate(username=self.STUDENT_USERNAME)
assert response.status_code == 400
def test_regenerate_no_such_user(self):
response = self._regenerate(
course_key=str(self.CERT_COURSE_KEY),
username="invalid_username",
)
assert response.status_code == 400
def test_regenerate_no_such_course(self):
response = self._regenerate(
course_key=CourseKey.from_string("edx/invalid/course"),
username=self.STUDENT_USERNAME
)
assert response.status_code == 400
def test_regenerate_user_is_not_enrolled(self):
# Unenroll the user
CourseEnrollment.unenroll(self.student, self.CERT_COURSE_KEY)
# Can no longer regenerate certificates for the user
response = self._regenerate(
course_key=self.CERT_COURSE_KEY,
username=self.STUDENT_USERNAME
)
assert response.status_code == 400
def test_regenerate_user_has_no_certificate(self):
# Delete the user's certificate
GeneratedCertificate.eligible_certificates.all().delete()
# Should be able to regenerate
response = self._regenerate(
course_key=self.CERT_COURSE_KEY,
username=self.STUDENT_USERNAME
)
assert response.status_code == 200
# A new certificate is created
num_certs = GeneratedCertificate.eligible_certificates.filter(user=self.student).count()
assert num_certs == 1
def test_regenerate_cert_with_invalidated_record(self):
""" If the certificate is marked as invalid, regenerate the certificate. """
# mark certificate as invalid
self._invalidate_certificate(self.cert)
self.assertInvalidatedCertExists()
# after invalidation certificate status become un-available.
self.assertGeneratedCertExists(
user=self.student, status=CertificateStatuses.unavailable
)
# Should be able to regenerate
response = self._regenerate(
course_key=self.CERT_COURSE_KEY,
username=self.STUDENT_USERNAME
)
assert response.status_code == 200
self.assertInvalidatedCertExists()
# Check that the user's certificate was updated
# Since the student hasn't actually passed the course,
# we'd expect that the certificate status will be "notpassing"
self.assertGeneratedCertExists(
user=self.student, status=CertificateStatuses.notpassing
)
def _regenerate(self, course_key=None, username=None):
"""Call the regeneration end-point and return the response. """
url = reverse("certificates:regenerate_certificate_for_user")
params = {}
if course_key is not None:
params["course_key"] = course_key
if username is not None:
params["username"] = username
return self.client.post(url, params)
def _invalidate_certificate(self, certificate):
""" Dry method to mark certificate as invalid. """
CertificateInvalidationFactory.create(
generated_certificate=certificate,
invalidated_by=self.support,
active=True
)
# Invalidate user certificate
certificate.invalidate()
assert not certificate.is_valid()
def assertInvalidatedCertExists(self):
""" Dry method to check certificate invalidated entry exists. """
assert CertificateInvalidation.objects.filter(generated_certificate__user=self.student, active=True).exists()
def assertInvalidatedCertDoesNotExist(self):
""" Dry method to check certificate invalidated entry does not exists. """
assert not CertificateInvalidation.objects\
.filter(generated_certificate__user=self.student, active=True).exists()
def assertGeneratedCertExists(self, user, status):
""" Dry method to check if certificate exists. """
assert GeneratedCertificate.objects.filter(user=user, status=status).exists()
@ddt.ddt
class CertificateGenerateTests(CertificateSupportTestCase):
"""
Tests for the certificate generation end-point used by the support team.
"""
def setUp(self):
"""
Create a course and enroll the student in the course.
"""
super().setUp()
self.course = CourseFactory(
org=self.EXISTED_COURSE_KEY_2.org,
course=self.EXISTED_COURSE_KEY_2.course,
run=self.EXISTED_COURSE_KEY_2.run
)
self.course_key = self.course.id # pylint: disable=no-member
CourseEnrollment.enroll(self.student, self.EXISTED_COURSE_KEY_2, self.CERT_MODE)
@ddt.data(
(GlobalStaff, True),
(SupportStaffRole, True),
(None, False),
)
@ddt.unpack
def test_access_control(self, role, has_access):
# Create a user and log in
user = UserFactory(username="foo", password="foo")
success = self.client.login(username="foo", password="foo")
assert success, 'Could not log in'
# Assign the user to the role
if role is not None:
role().add_users(user)
# Make a POST request
# Since we're not passing valid parameters, we'll get an error response
# but at least we'll know we have access
response = self._generate()
if has_access:
assert response.status_code == 400
else:
assert response.status_code == 403
def test_generate_certificate(self):
response = self._generate(
course_key=self.course_key,
username=self.STUDENT_USERNAME,
)
assert response.status_code == 200
def test_generate_certificate_missing_params(self):
# Missing username
response = self._generate(course_key=self.EXISTED_COURSE_KEY_2)
assert response.status_code == 400
# Missing course key
response = self._generate(username=self.STUDENT_USERNAME)
assert response.status_code == 400
def test_generate_no_such_user(self):
response = self._generate(
course_key=str(self.EXISTED_COURSE_KEY_2),
username="invalid_username",
)
assert response.status_code == 400
def test_generate_no_such_course(self):
response = self._generate(
course_key=CourseKey.from_string("edx/invalid/course"),
username=self.STUDENT_USERNAME
)
assert response.status_code == 400
def test_generate_user_is_not_enrolled(self):
# Unenroll the user
CourseEnrollment.unenroll(self.student, self.EXISTED_COURSE_KEY_2)
# Can no longer regenerate certificates for the user
response = self._generate(
course_key=self.EXISTED_COURSE_KEY_2,
username=self.STUDENT_USERNAME
)
assert response.status_code == 400
def test_generate_user_has_no_certificate(self):
# Delete the user's certificate
GeneratedCertificate.eligible_certificates.all().delete()
# Should be able to generate
response = self._generate(
course_key=self.EXISTED_COURSE_KEY_2,
username=self.STUDENT_USERNAME
)
assert response.status_code == 200
# A new certificate is created
num_certs = GeneratedCertificate.eligible_certificates.filter(user=self.student).count()
assert num_certs == 1
def _generate(self, course_key=None, username=None):
"""Call the generation end-point and return the response. """
url = reverse("certificates:generate_certificate_for_user")
params = {}
if course_key is not None:
params["course_key"] = course_key
if username is not None:
params["username"] = username
return self.client.post(url, params)