Files
edx-platform/lms/djangoapps/courseware/tests/test_date_summary.py
2017-09-16 22:03:28 -04:00

626 lines
28 KiB
Python

# -*- coding: utf-8 -*-
"""Tests for course home page date summary blocks."""
from datetime import datetime, timedelta
import ddt
import waffle
from django.core.urlresolvers import reverse
from freezegun import freeze_time
from mock import patch
from nose.plugins.attrib import attr
from pytz import utc
from commerce.models import CommerceConfiguration
from course_modes.models import CourseMode
from course_modes.tests.factories import CourseModeFactory
from courseware.courses import get_course_date_blocks
from courseware.date_summary import (
CourseEndDate,
CourseStartDate,
TodaysDate,
VerificationDeadlineDate,
VerifiedUpgradeDeadlineDate,
CertificateAvailableDate
)
from courseware.models import DynamicUpgradeDeadlineConfiguration, CourseDynamicUpgradeDeadlineConfiguration
from lms.djangoapps.verify_student.models import VerificationDeadline
from lms.djangoapps.verify_student.tests.factories import SoftwareSecurePhotoVerificationFactory
from openedx.core.djangoapps.content.course_overviews.models import CourseOverview
from openedx.core.djangoapps.schedules.signals import CREATE_SCHEDULE_WAFFLE_FLAG
from openedx.core.djangoapps.self_paced.models import SelfPacedConfiguration
from openedx.core.djangoapps.site_configuration.tests.factories import SiteFactory
from openedx.core.djangoapps.user_api.preferences.api import set_user_preference
from openedx.core.djangoapps.waffle_utils.testutils import override_waffle_flag
from openedx.features.course_experience import UNIFIED_COURSE_TAB_FLAG
from student.tests.factories import CourseEnrollmentFactory, UserFactory, TEST_PASSWORD
from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase
from xmodule.modulestore.tests.factories import CourseFactory
@attr(shard=1)
@ddt.ddt
class CourseDateSummaryTest(SharedModuleStoreTestCase):
"""Tests for course date summary blocks."""
def setUp(self):
super(CourseDateSummaryTest, self).setUp()
SelfPacedConfiguration.objects.create(enable_course_home_improvements=True)
def create_user(self, verification_status=None):
""" Create a new User instance.
Arguments:
verification_status (str): User's verification status. If this value is set an instance of
SoftwareSecurePhotoVerification will be created for the user with the specified status.
"""
user = UserFactory()
if verification_status is not None:
SoftwareSecurePhotoVerificationFactory.create(user=user, status=verification_status)
return user
def enable_course_certificates(self, course):
""" Enable course certificate configuration """
course.certificates = {
u'certificates': [{
u'course_title': u'Test',
u'name': u'',
u'is_active': True,
}]
}
course.save()
def test_course_info_feature_flag(self):
SelfPacedConfiguration(enable_course_home_improvements=False).save()
course = create_course_run()
user = self.create_user()
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.VERIFIED)
self.client.login(username=user.username, password=TEST_PASSWORD)
url = reverse('info', args=(course.id,))
response = self.client.get(url)
self.assertNotIn('date-summary', response.content)
def test_course_info_logged_out(self):
course = create_course_run()
url = reverse('info', args=(course.id,))
response = self.client.get(url)
self.assertEqual(200, response.status_code)
# Tests for which blocks are enabled
def assert_block_types(self, course, user, expected_blocks):
"""Assert that the enabled block types for this course are as expected."""
blocks = get_course_date_blocks(course, user)
self.assertEqual(len(blocks), len(expected_blocks))
self.assertEqual(set(type(b) for b in blocks), set(expected_blocks))
@ddt.data(
# Verified enrollment with no photo-verification before course start
({}, {}, (CourseEndDate, CourseStartDate, TodaysDate, VerificationDeadlineDate)),
# Verified enrollment with `approved` photo-verification after course end
({'days_till_start': -10,
'days_till_end': -5,
'days_till_upgrade_deadline': -6,
'days_till_verification_deadline': -5,
},
{'verification_status': 'approved'},
(TodaysDate, CourseEndDate)),
# Verified enrollment with `expired` photo-verification during course run
({'days_till_start': -10},
{'verification_status': 'expired'},
(TodaysDate, CourseEndDate, VerificationDeadlineDate)),
# Verified enrollment with `approved` photo-verification during course run
({'days_till_start': -10, },
{'verification_status': 'approved'},
(TodaysDate, CourseEndDate)),
# Verified enrollment with *NO* course end date
({'days_till_end': None},
{},
(CourseStartDate, TodaysDate, VerificationDeadlineDate)),
# Verified enrollment with no photo-verification during course run
({'days_till_start': -1},
{},
(TodaysDate, CourseEndDate, VerificationDeadlineDate)),
# Verification approved
({'days_till_start': -10,
'days_till_upgrade_deadline': -1,
'days_till_verification_deadline': 1,
},
{'verification_status': 'approved'},
(TodaysDate, CourseEndDate)),
# After upgrade deadline
({'days_till_start': -10,
'days_till_upgrade_deadline': -1},
{},
(TodaysDate, CourseEndDate, VerificationDeadlineDate)),
# After verification deadline
({'days_till_start': -10,
'days_till_upgrade_deadline': -2,
'days_till_verification_deadline': -1},
{},
(TodaysDate, CourseEndDate, VerificationDeadlineDate)),
)
@ddt.unpack
def test_enabled_block_types(self, course_kwargs, user_kwargs, expected_blocks):
course = create_course_run(**course_kwargs)
user = self.create_user(**user_kwargs)
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.VERIFIED)
self.assert_block_types(course, user, expected_blocks)
@ddt.data(
# Course not started
({}, (CourseStartDate, TodaysDate, CourseEndDate)),
# Course active
({'days_till_start': -1}, (TodaysDate, CourseEndDate)),
# Course ended
({'days_till_start': -10, 'days_till_end': -5},
(TodaysDate, CourseEndDate)),
)
@ddt.unpack
def test_enabled_block_types_without_enrollment(self, course_kwargs, expected_blocks):
course = create_course_run(**course_kwargs)
user = self.create_user()
self.assert_block_types(course, user, expected_blocks)
def test_enabled_block_types_with_non_upgradeable_course_run(self):
course = create_course_run(days_till_start=-10, days_till_verification_deadline=None)
user = self.create_user()
CourseMode.objects.get(course_id=course.id, mode_slug=CourseMode.VERIFIED).delete()
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.AUDIT)
self.assert_block_types(course, user, (TodaysDate, CourseEndDate))
def test_todays_date_block(self):
"""
Helper function to test that today's date block renders correctly
and displays the correct time, accounting for daylight savings
"""
with freeze_time('2015-01-02'):
course = create_course_run()
user = self.create_user()
block = TodaysDate(course, user)
self.assertTrue(block.is_enabled)
self.assertEqual(block.date, datetime.now(utc))
self.assertEqual(block.title, 'current_datetime')
@ddt.data(
'info',
'openedx.course_experience.course_home',
)
@override_waffle_flag(UNIFIED_COURSE_TAB_FLAG, active=True)
def test_todays_date_no_timezone(self, url_name):
with freeze_time('2015-01-02'):
course = create_course_run()
user = self.create_user()
self.client.login(username=user.username, password=TEST_PASSWORD)
html_elements = [
'<h3 class="hd hd-6 handouts-header">Important Course Dates</h3>',
'<div class="date-summary-container">',
'<div class="date-summary date-summary-todays-date">',
'<span class="hd hd-6 heading localized-datetime"',
'data-datetime="2015-01-02 00:00:00+00:00"',
'data-string="Today is {date}"',
'data-timezone="None"'
]
url = reverse(url_name, args=(course.id,))
response = self.client.get(url, follow=True)
for html in html_elements:
self.assertContains(response, html)
@ddt.data(
'info',
'openedx.course_experience.course_home',
)
@override_waffle_flag(UNIFIED_COURSE_TAB_FLAG, active=True)
def test_todays_date_timezone(self, url_name):
with freeze_time('2015-01-02'):
course = create_course_run()
user = self.create_user()
self.client.login(username=user.username, password=TEST_PASSWORD)
set_user_preference(user, 'time_zone', 'America/Los_Angeles')
url = reverse(url_name, args=(course.id,))
response = self.client.get(url, follow=True)
html_elements = [
'<h3 class="hd hd-6 handouts-header">Important Course Dates</h3>',
'<div class="date-summary-container">',
'<div class="date-summary date-summary-todays-date">',
'<span class="hd hd-6 heading localized-datetime"',
'data-datetime="2015-01-02 00:00:00+00:00"',
'data-string="Today is {date}"',
'data-timezone="America/Los_Angeles"'
]
for html in html_elements:
self.assertContains(response, html)
## Tests Course Start Date
def test_course_start_date(self):
course = create_course_run()
user = self.create_user()
block = CourseStartDate(course, user)
self.assertEqual(block.date, course.start)
@ddt.data(
'info',
'openedx.course_experience.course_home',
)
@override_waffle_flag(UNIFIED_COURSE_TAB_FLAG, active=True)
def test_start_date_render(self, url_name):
with freeze_time('2015-01-02'):
course = create_course_run()
user = self.create_user()
self.client.login(username=user.username, password=TEST_PASSWORD)
url = reverse(url_name, args=(course.id,))
response = self.client.get(url, follow=True)
html_elements = [
'data-string="in 1 day - {date}"',
'data-datetime="2015-01-03 00:00:00+00:00"'
]
for html in html_elements:
self.assertContains(response, html)
@ddt.data(
'info',
'openedx.course_experience.course_home',
)
@override_waffle_flag(UNIFIED_COURSE_TAB_FLAG, active=True)
def test_start_date_render_time_zone(self, url_name):
with freeze_time('2015-01-02'):
course = create_course_run()
user = self.create_user()
self.client.login(username=user.username, password=TEST_PASSWORD)
set_user_preference(user, 'time_zone', 'America/Los_Angeles')
url = reverse(url_name, args=(course.id,))
response = self.client.get(url, follow=True)
html_elements = [
'data-string="in 1 day - {date}"',
'data-datetime="2015-01-03 00:00:00+00:00"',
'data-timezone="America/Los_Angeles"'
]
for html in html_elements:
self.assertContains(response, html)
## Tests Course End Date Block
def test_course_end_date_for_certificate_eligible_mode(self):
course = create_course_run(days_till_start=-1)
user = self.create_user()
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.VERIFIED)
block = CourseEndDate(course, user)
self.assertEqual(
block.description,
'To earn a certificate, you must complete all requirements before this date.'
)
def test_course_end_date_for_non_certificate_eligible_mode(self):
course = create_course_run(days_till_start=-1)
user = self.create_user()
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.AUDIT)
block = CourseEndDate(course, user)
self.assertEqual(
block.description,
'After this date, course content will be archived.'
)
self.assertEqual(block.title, 'Course End')
def test_course_end_date_after_course(self):
course = create_course_run(days_till_start=-2, days_till_end=-1)
user = self.create_user()
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.VERIFIED)
block = CourseEndDate(course, user)
self.assertEqual(
block.description,
'This course is archived, which means you can review course content but it is no longer active.'
)
self.assertEqual(block.title, 'Course End')
def test_ecommerce_checkout_redirect(self):
"""Verify the block link redirects to ecommerce checkout if it's enabled."""
sku = 'TESTSKU'
configuration = CommerceConfiguration.objects.create(checkout_on_ecommerce_service=True)
course = create_course_run()
user = self.create_user()
course_mode = CourseMode.objects.get(course_id=course.id, mode_slug=CourseMode.VERIFIED)
course_mode.sku = sku
course_mode.save()
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.VERIFIED)
block = VerifiedUpgradeDeadlineDate(course, user)
self.assertEqual(block.link, '{}?sku={}'.format(configuration.MULTIPLE_ITEMS_BASKET_PAGE_URL, sku))
## CertificateAvailableDate
@waffle.testutils.override_switch('certificates.auto_certificate_generation', True)
def test_no_certificate_available_date(self):
course = create_course_run(days_till_start=-1)
user = self.create_user()
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.AUDIT)
block = CertificateAvailableDate(course, user)
self.assertEqual(block.date, None)
self.assertFalse(block.is_enabled)
## CertificateAvailableDate
@waffle.testutils.override_switch('certificates.auto_certificate_generation', True)
def test_no_certificate_available_date_for_self_paced(self):
course = create_self_paced_course_run()
verified_user = self.create_user()
CourseEnrollmentFactory(course_id=course.id, user=verified_user, mode=CourseMode.VERIFIED)
course.certificate_available_date = datetime.now(utc) + timedelta(days=7)
course.save()
block = CertificateAvailableDate(course, verified_user)
self.assertNotEqual(block.date, None)
self.assertFalse(block.is_enabled)
def test_no_certificate_available_date_for_audit_course(self):
"""
Tests that Certificate Available Date is not visible in the course "Important Course Dates" section
if the course only has audit mode.
"""
course = create_course_run()
audit_user = self.create_user()
# Enroll learner in the audit mode and verify the course only has 1 mode (audit)
CourseEnrollmentFactory(course_id=course.id, user=audit_user, mode=CourseMode.AUDIT)
CourseMode.objects.get(course_id=course.id, mode_slug=CourseMode.VERIFIED).delete()
all_course_modes = CourseMode.modes_for_course(course.id)
self.assertEqual(len(all_course_modes), 1)
self.assertEqual(all_course_modes[0].slug, CourseMode.AUDIT)
course.certificate_available_date = datetime.now(utc) + timedelta(days=7)
course.save()
# Verify Certificate Available Date is not enabled for learner.
block = CertificateAvailableDate(course, audit_user)
self.assertFalse(block.is_enabled)
self.assertNotEqual(block.date, None)
@waffle.testutils.override_switch('certificates.auto_certificate_generation', True)
def test_certificate_available_date_defined(self):
course = create_course_run()
audit_user = self.create_user()
CourseEnrollmentFactory(course_id=course.id, user=audit_user, mode=CourseMode.AUDIT)
verified_user = self.create_user()
CourseEnrollmentFactory(course_id=course.id, user=verified_user, mode=CourseMode.VERIFIED)
course.certificate_available_date = datetime.now(utc) + timedelta(days=7)
self.enable_course_certificates(course)
CertificateAvailableDate(course, audit_user)
for block in (CertificateAvailableDate(course, audit_user), CertificateAvailableDate(course, verified_user)):
self.assertIsNotNone(course.certificate_available_date)
self.assertEqual(block.date, course.certificate_available_date)
self.assertTrue(block.is_enabled)
## VerificationDeadlineDate
def test_no_verification_deadline(self):
course = create_course_run(days_till_start=-1, days_till_verification_deadline=None)
user = self.create_user()
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.VERIFIED)
block = VerificationDeadlineDate(course, user)
self.assertFalse(block.is_enabled)
def test_no_verified_enrollment(self):
course = create_course_run(days_till_start=-1)
user = self.create_user()
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.AUDIT)
block = VerificationDeadlineDate(course, user)
self.assertFalse(block.is_enabled)
def test_verification_deadline_date_upcoming(self):
with freeze_time('2015-01-02'):
course = create_course_run(days_till_start=-1)
user = self.create_user()
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.VERIFIED)
block = VerificationDeadlineDate(course, user)
self.assertEqual(block.css_class, 'verification-deadline-upcoming')
self.assertEqual(block.title, 'Verification Deadline')
self.assertEqual(block.date, datetime.now(utc) + timedelta(days=14))
self.assertEqual(
block.description,
'You must successfully complete verification before this date to qualify for a Verified Certificate.'
)
self.assertEqual(block.link_text, 'Verify My Identity')
self.assertEqual(block.link, reverse('verify_student_verify_now', args=(course.id,)))
def test_verification_deadline_date_retry(self):
with freeze_time('2015-01-02'):
course = create_course_run(days_till_start=-1)
user = self.create_user(verification_status='denied')
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.VERIFIED)
block = VerificationDeadlineDate(course, user)
self.assertEqual(block.css_class, 'verification-deadline-retry')
self.assertEqual(block.title, 'Verification Deadline')
self.assertEqual(block.date, datetime.now(utc) + timedelta(days=14))
self.assertEqual(
block.description,
'You must successfully complete verification before this date to qualify for a Verified Certificate.'
)
self.assertEqual(block.link_text, 'Retry Verification')
self.assertEqual(block.link, reverse('verify_student_reverify'))
def test_verification_deadline_date_denied(self):
with freeze_time('2015-01-02'):
course = create_course_run(days_till_start=-10, days_till_verification_deadline=-1)
user = self.create_user(verification_status='denied')
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.VERIFIED)
block = VerificationDeadlineDate(course, user)
self.assertEqual(block.css_class, 'verification-deadline-passed')
self.assertEqual(block.title, 'Missed Verification Deadline')
self.assertEqual(block.date, datetime.now(utc) + timedelta(days=-1))
self.assertEqual(
block.description,
"Unfortunately you missed this course's deadline for a successful verification."
)
self.assertEqual(block.link_text, 'Learn More')
self.assertEqual(block.link, '')
@ddt.data(
(-1, '1 day ago - {date}'),
(1, 'in 1 day - {date}')
)
@ddt.unpack
def test_render_date_string_past(self, delta, expected_date_string):
with freeze_time('2015-01-02'):
course = create_course_run(days_till_start=-10, days_till_verification_deadline=delta)
user = self.create_user(verification_status='denied')
CourseEnrollmentFactory(course_id=course.id, user=user, mode=CourseMode.VERIFIED)
block = VerificationDeadlineDate(course, user)
self.assertEqual(block.relative_datestring, expected_date_string)
@attr(shard=1)
class TestScheduleOverrides(SharedModuleStoreTestCase):
def setUp(self):
super(TestScheduleOverrides, self).setUp()
patcher = patch('openedx.core.djangoapps.schedules.signals.get_current_site')
mock_get_current_site = patcher.start()
self.addCleanup(patcher.stop)
mock_get_current_site.return_value = SiteFactory.create()
@override_waffle_flag(CREATE_SCHEDULE_WAFFLE_FLAG, True)
def test_date_with_self_paced_with_enrollment_before_course_start(self):
""" Enrolling before a course begins should result in the upgrade deadline being set relative to the
course start date. """
global_config = DynamicUpgradeDeadlineConfiguration.objects.create(enabled=True)
course = create_self_paced_course_run(days_till_start=3)
overview = CourseOverview.get_from_id(course.id)
expected = overview.start + timedelta(days=global_config.deadline_days)
enrollment = CourseEnrollmentFactory(course_id=course.id, mode=CourseMode.AUDIT)
block = VerifiedUpgradeDeadlineDate(course, enrollment.user)
self.assertEqual(block.date, expected)
@override_waffle_flag(CREATE_SCHEDULE_WAFFLE_FLAG, True)
def test_date_with_self_paced_with_enrollment_after_course_start(self):
""" Enrolling after a course begins should result in the upgrade deadline being set relative to the
enrollment date. """
global_config = DynamicUpgradeDeadlineConfiguration.objects.create(enabled=True)
course = create_self_paced_course_run(days_till_start=-1)
enrollment = CourseEnrollmentFactory(course_id=course.id, mode=CourseMode.AUDIT)
block = VerifiedUpgradeDeadlineDate(course, enrollment.user)
expected = enrollment.created + timedelta(days=global_config.deadline_days)
self.assertEqual(block.date, expected)
# Courses should be able to override the deadline
course_config = CourseDynamicUpgradeDeadlineConfiguration.objects.create(
enabled=True, course_id=course.id, deadline_days=3
)
enrollment = CourseEnrollmentFactory(course_id=course.id, mode=CourseMode.AUDIT)
block = VerifiedUpgradeDeadlineDate(course, enrollment.user)
expected = enrollment.created + timedelta(days=course_config.deadline_days)
self.assertEqual(block.date, expected)
@override_waffle_flag(CREATE_SCHEDULE_WAFFLE_FLAG, True)
def test_date_with_self_paced_without_dynamic_upgrade_deadline(self):
""" Disabling the dynamic upgrade deadline functionality should result in the verified mode's
expiration date being returned. """
DynamicUpgradeDeadlineConfiguration.objects.create(enabled=False)
course = create_self_paced_course_run()
expected = CourseMode.objects.get(course_id=course.id, mode_slug=CourseMode.VERIFIED).expiration_datetime
enrollment = CourseEnrollmentFactory(course_id=course.id, mode=CourseMode.AUDIT)
block = VerifiedUpgradeDeadlineDate(course, enrollment.user)
self.assertEqual(block.date, expected)
@override_waffle_flag(CREATE_SCHEDULE_WAFFLE_FLAG, True)
def test_date_with_self_paced_with_single_course(self):
""" If the global switch is off, a single course can still be enabled. """
course = create_self_paced_course_run(days_till_start=-1)
DynamicUpgradeDeadlineConfiguration.objects.create(enabled=False)
course_config = CourseDynamicUpgradeDeadlineConfiguration.objects.create(enabled=True, course_id=course.id)
enrollment = CourseEnrollmentFactory(course_id=course.id, mode=CourseMode.AUDIT)
block = VerifiedUpgradeDeadlineDate(course, enrollment.user)
expected = enrollment.created + timedelta(days=course_config.deadline_days)
self.assertEqual(block.date, expected)
@override_waffle_flag(CREATE_SCHEDULE_WAFFLE_FLAG, True)
def test_date_with_existing_schedule(self):
""" If a schedule is created while deadlines are disabled, they shouldn't magically appear once the feature is
turned on. """
course = create_self_paced_course_run(days_till_start=-1)
DynamicUpgradeDeadlineConfiguration.objects.create(enabled=False)
course_config = CourseDynamicUpgradeDeadlineConfiguration.objects.create(enabled=False, course_id=course.id)
enrollment = CourseEnrollmentFactory(course_id=course.id, mode=CourseMode.AUDIT)
# The enrollment has a schedule, but the upgrade deadline should be None
self.assertIsNone(enrollment.schedule.upgrade_deadline)
block = VerifiedUpgradeDeadlineDate(course, enrollment.user)
expected = CourseMode.objects.get(course_id=course.id, mode_slug=CourseMode.VERIFIED).expiration_datetime
self.assertEqual(block.date, expected)
# Now if we turn on the feature for this course, this existing enrollment should be unaffected
course_config.enabled = True
course_config.save()
block = VerifiedUpgradeDeadlineDate(course, enrollment.user)
self.assertEqual(block.date, expected)
def create_course_run(
days_till_start=1, days_till_end=14, days_till_upgrade_deadline=4, days_till_verification_deadline=14,
):
""" Create a new course run and course modes.
All date-related arguments are relative to the current date-time (now) unless otherwise specified.
Both audit and verified `CourseMode` objects will be created for the course run.
Arguments:
days_till_end (int): Number of days until the course ends.
days_till_start (int): Number of days until the course starts.
days_till_upgrade_deadline (int): Number of days until the course run's upgrade deadline.
days_till_verification_deadline (int): Number of days until the course run's verification deadline. If this
value is set to `None` no deadline will be verification deadline will be created.
"""
now = datetime.now(utc)
course = CourseFactory.create(start=now + timedelta(days=days_till_start))
course.end = None
if days_till_end is not None:
course.end = now + timedelta(days=days_till_end)
CourseModeFactory(course_id=course.id, mode_slug=CourseMode.AUDIT)
CourseModeFactory(
course_id=course.id,
mode_slug=CourseMode.VERIFIED,
expiration_datetime=now + timedelta(days=days_till_upgrade_deadline)
)
if days_till_verification_deadline is not None:
VerificationDeadline.objects.create(
course_key=course.id,
deadline=now + timedelta(days=days_till_verification_deadline)
)
return course
def create_self_paced_course_run(days_till_start=1):
""" Create a new course run and course modes.
All date-related arguments are relative to the current date-time (now) unless otherwise specified.
Both audit and verified `CourseMode` objects will be created for the course run.
Arguments:
days_till_start (int): Number of days until the course starts.
"""
now = datetime.now(utc)
course = CourseFactory.create(start=now + timedelta(days=days_till_start), self_paced=True)
CourseModeFactory(
course_id=course.id,
mode_slug=CourseMode.AUDIT
)
CourseModeFactory(
course_id=course.id,
mode_slug=CourseMode.VERIFIED,
expiration_datetime=now + timedelta(days=100)
)
return course