208 lines
8.7 KiB
Python
208 lines
8.7 KiB
Python
"""
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Tests for the certificates models.
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"""
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from datetime import datetime, timedelta
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from ddt import data, ddt, unpack
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from pytz import UTC
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from django.conf import settings
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from milestones.tests.utils import MilestonesTestCaseMixin
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from mock import patch
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from nose.plugins.attrib import attr
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from badges.tests.factories import CourseCompleteImageConfigurationFactory
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from lms.djangoapps.certificates.models import (
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CertificateStatuses,
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GeneratedCertificate,
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certificate_info_for_user,
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certificate_status_for_student
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)
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from lms.djangoapps.certificates.tests.factories import GeneratedCertificateFactory
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from student.tests.factories import CourseEnrollmentFactory, UserFactory
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from util.milestones_helpers import milestones_achieved_by_user, set_prerequisite_courses
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from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
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from xmodule.modulestore.tests.factories import CourseFactory
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@attr(shard=1)
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@ddt
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class CertificatesModelTest(ModuleStoreTestCase, MilestonesTestCaseMixin):
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"""
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Tests for the GeneratedCertificate model
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"""
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def setUp(self):
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super(CertificatesModelTest, self).setUp()
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today = datetime.now(UTC)
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self.instructor_paced_course = CourseFactory.create(
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org='edx', number='instructor', display_name='Instructor Paced Course',
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start=today - timedelta(days=30),
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end=today - timedelta(days=2),
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certificate_available_date=today - timedelta(days=1),
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self_paced=False
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)
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self.self_paced_course = CourseFactory.create(
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org='edx', number='self',
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display_name='Self Paced Course', self_paced=True
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)
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def test_certificate_status_for_student(self):
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student = UserFactory()
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course = CourseFactory.create(org='edx', number='verified', display_name='Verified Course')
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certificate_status = certificate_status_for_student(student, course.id)
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self.assertEqual(certificate_status['status'], CertificateStatuses.unavailable)
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self.assertEqual(certificate_status['mode'], GeneratedCertificate.MODES.honor)
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@unpack
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@data(
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{'allow_certificate': False, 'whitelisted': False, 'grade': None, 'output': ['N', 'N', 'N/A']},
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{'allow_certificate': True, 'whitelisted': True, 'grade': None, 'output': ['Y', 'N', 'N/A']},
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{'allow_certificate': True, 'whitelisted': False, 'grade': 0.9, 'output': ['Y', 'N', 'N/A']},
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{'allow_certificate': False, 'whitelisted': True, 'grade': 0.8, 'output': ['N', 'N', 'N/A']},
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{'allow_certificate': False, 'whitelisted': None, 'grade': 0.8, 'output': ['N', 'N', 'N/A']}
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)
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def test_certificate_info_for_user(self, allow_certificate, whitelisted, grade, output):
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"""
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Verify that certificate_info_for_user works.
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"""
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student = UserFactory()
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student.profile.allow_certificate = allow_certificate
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student.profile.save()
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# for instructor paced course
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certificate_info = certificate_info_for_user(
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student, self.instructor_paced_course.id, grade,
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whitelisted, user_certificate=None
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)
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self.assertEqual(certificate_info, output)
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# for self paced course
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certificate_info = certificate_info_for_user(
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student, self.self_paced_course.id, grade,
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whitelisted, user_certificate=None
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)
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self.assertEqual(certificate_info, output)
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@unpack
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@data(
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{'allow_certificate': False, 'whitelisted': False, 'grade': None, 'output': ['N', 'Y', 'honor']},
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{'allow_certificate': True, 'whitelisted': True, 'grade': None, 'output': ['Y', 'Y', 'honor']},
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{'allow_certificate': True, 'whitelisted': False, 'grade': 0.9, 'output': ['Y', 'Y', 'honor']},
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{'allow_certificate': False, 'whitelisted': True, 'grade': 0.8, 'output': ['N', 'Y', 'honor']},
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{'allow_certificate': False, 'whitelisted': None, 'grade': 0.8, 'output': ['N', 'Y', 'honor']}
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)
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def test_certificate_info_for_user_when_grade_changes(self, allow_certificate, whitelisted, grade, output):
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"""
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Verify that certificate_info_for_user works as expect in scenario when grading of problems
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changes after certificates already generated. In such scenario `Certificate delivered` should not depend
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on student's eligibility to get certificates since in above scenario eligibility can change over period
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of time.
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"""
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student = UserFactory()
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student.profile.allow_certificate = allow_certificate
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student.profile.save()
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certificate1 = GeneratedCertificateFactory.create(
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user=student,
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course_id=self.instructor_paced_course.id,
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status=CertificateStatuses.downloadable,
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mode='honor'
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)
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certificate2 = GeneratedCertificateFactory.create(
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user=student,
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course_id=self.self_paced_course.id,
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status=CertificateStatuses.downloadable,
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mode='honor'
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)
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# for instructor paced course
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certificate_info = certificate_info_for_user(
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student, self.instructor_paced_course.id, grade,
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whitelisted, certificate1
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)
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self.assertEqual(certificate_info, output)
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# for self paced course
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certificate_info = certificate_info_for_user(
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student, self.self_paced_course.id, grade,
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whitelisted, certificate2
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)
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self.assertEqual(certificate_info, output)
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def test_course_ids_with_certs_for_user(self):
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# Create one user with certs and one without
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student_no_certs = UserFactory()
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student_with_certs = UserFactory()
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student_with_certs.profile.allow_certificate = True
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student_with_certs.profile.save()
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# Set up a couple of courses
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course_1 = CourseFactory.create()
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course_2 = CourseFactory.create()
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# Generate certificates
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GeneratedCertificateFactory.create(
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user=student_with_certs,
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course_id=course_1.id,
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status=CertificateStatuses.downloadable,
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mode='honor'
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)
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GeneratedCertificateFactory.create(
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user=student_with_certs,
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course_id=course_2.id,
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status=CertificateStatuses.downloadable,
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mode='honor'
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)
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# User with no certs should return an empty set.
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self.assertSetEqual(
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GeneratedCertificate.course_ids_with_certs_for_user(student_no_certs),
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set()
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)
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# User with certs should return a set with the two course_ids
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self.assertSetEqual(
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GeneratedCertificate.course_ids_with_certs_for_user(student_with_certs),
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{course_1.id, course_2.id}
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)
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@patch.dict(settings.FEATURES, {'ENABLE_PREREQUISITE_COURSES': True})
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def test_course_milestone_collected(self):
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student = UserFactory()
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course = CourseFactory.create(org='edx', number='998', display_name='Test Course')
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pre_requisite_course = CourseFactory.create(org='edx', number='999', display_name='Pre requisite Course')
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# set pre-requisite course
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set_prerequisite_courses(course.id, [unicode(pre_requisite_course.id)])
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# get milestones collected by user before completing the pre-requisite course
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completed_milestones = milestones_achieved_by_user(student, unicode(pre_requisite_course.id))
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self.assertEqual(len(completed_milestones), 0)
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GeneratedCertificateFactory.create(
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user=student,
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course_id=pre_requisite_course.id,
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status=CertificateStatuses.generating,
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mode='verified'
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)
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# get milestones collected by user after user has completed the pre-requisite course
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completed_milestones = milestones_achieved_by_user(student, unicode(pre_requisite_course.id))
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self.assertEqual(len(completed_milestones), 1)
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self.assertEqual(completed_milestones[0]['namespace'], unicode(pre_requisite_course.id))
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@patch.dict(settings.FEATURES, {'ENABLE_OPENBADGES': True})
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@patch('badges.backends.badgr.BadgrBackend', spec=True)
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def test_badge_callback(self, handler):
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student = UserFactory()
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course = CourseFactory.create(org='edx', number='998', display_name='Test Course', issue_badges=True)
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CourseCompleteImageConfigurationFactory()
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CourseEnrollmentFactory(user=student, course_id=course.location.course_key, mode='honor')
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cert = GeneratedCertificateFactory.create(
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user=student,
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course_id=course.id,
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status=CertificateStatuses.generating,
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mode='verified'
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)
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cert.status = CertificateStatuses.downloadable
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cert.save()
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self.assertTrue(handler.return_value.award.called)
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