def test_entrance_exam_milestone_removal(self):
"""
Unit Test: test removal of entrance exam milestone content
"""
parent_locator = str(self.course.location)
created_block = create_xblock(
parent_locator=parent_locator,
user=self.user,
category='chapter',
display_name=('Entrance Exam'),
is_entrance_exam=True
)
add_entrance_exam_milestone(self.course.id, created_block)
content_milestones = milestones_helpers.get_course_content_milestones(
str(self.course.id),
str(created_block.location),
self.milestone_relationship_types['FULFILLS']
)
self.assertEqual(len(content_milestones), 1)
user = UserFactory()
request = RequestFactory().request()
request.user = user
remove_entrance_exam_milestone_reference(request, self.course.id)
content_milestones = milestones_helpers.get_course_content_milestones(
str(self.course.id),
str(created_block.location),
self.milestone_relationship_types['FULFILLS']
)
self.assertEqual(len(content_milestones), 0)
def get_content_milestones(self, request, course_key):
"""
Returns dict of subsections with prerequisites and whether the prerequisite has been completed or not
"""
def _get_key_of_prerequisite(namespace):
return re.sub('.gating', '', namespace)
all_course_milestones = get_course_content_milestones(course_key)
uncompleted_prereqs = {
milestone['content_id']
for milestone in get_course_content_milestones(
course_key, user_id=request.user.id)
}
gated_content = {
milestone['content_id']: {
'completed_prereqs': milestone['content_id']
not in uncompleted_prereqs,
'prerequisite':
_get_key_of_prerequisite(milestone['namespace'])
}
for milestone in all_course_milestones
}
return gated_content
def test_get_course_content_milestones_returns_none_when_app_disabled(self):
response = milestones_helpers.get_course_content_milestones(
str(self.course.id),
'i4x://doesnt/matter/for/this/test',
'requires'
)
assert len(response) == 0
def evaluate_entrance_exam(course_grade, user):
"""
Evaluates any entrance exam milestone relationships attached
to the given course. If the course_grade meets the
minimum score required, the dependent milestones will be marked
fulfilled for the user.
"""
course = course_grade.course_data.course
if ENTRANCE_EXAMS.is_enabled() and getattr(course, 'entrance_exam_enabled',
False):
if get_entrance_exam_content(user, course):
exam_chapter_key = get_entrance_exam_usage_key(course)
exam_score_ratio = get_entrance_exam_score_ratio(
course_grade, exam_chapter_key)
if exam_score_ratio >= course.entrance_exam_minimum_score_pct:
relationship_types = milestones_helpers.get_milestone_relationship_types(
)
content_milestones = milestones_helpers.get_course_content_milestones(
course.id,
exam_chapter_key,
relationship=relationship_types['FULFILLS'])
# Mark each entrance exam dependent milestone as fulfilled by the user.
for milestone in content_milestones:
milestones_helpers.add_user_milestone({'id': user.id},
milestone)
def test_import_delete_pre_exiting_entrance_exam(self):
"""
Check that pre existed entrance exam content should be overwrite with the imported course.
"""
exam_url = '/course/{}/entrance_exam/'.format(six.text_type(self.course.id))
resp = self.client.post(exam_url, {'entrance_exam_minimum_score_pct': 0.5}, http_accept='application/json')
self.assertEqual(resp.status_code, 201)
# Reload the test course now that the exam module has been added
self.course = modulestore().get_course(self.course.id)
metadata = CourseMetadata.fetch_all(self.course)
self.assertTrue(metadata['entrance_exam_enabled'])
self.assertIsNotNone(metadata['entrance_exam_minimum_score_pct'])
self.assertEqual(metadata['entrance_exam_minimum_score_pct']['value'], 0.5)
self.assertTrue(len(milestones_helpers.get_course_milestones(six.text_type(self.course.id))))
content_milestones = milestones_helpers.get_course_content_milestones(
six.text_type(self.course.id),
metadata['entrance_exam_id']['value'],
milestones_helpers.get_milestone_relationship_types()['FULFILLS']
)
self.assertTrue(len(content_milestones))
# Now import entrance exam course
with open(self.entrance_exam_tar, 'rb') as gtar: # pylint: disable=open-builtin
args = {"name": self.entrance_exam_tar, "course-data": [gtar]}
resp = self.client.post(self.url, args)
self.assertEqual(resp.status_code, 200)
course = self.store.get_course(self.course.id)
self.assertIsNotNone(course)
self.assertEqual(course.entrance_exam_enabled, True)
self.assertEqual(course.entrance_exam_minimum_score_pct, 0.7)
def test_contentstore_views_entrance_exam_post(self):
"""
Unit Test: test_contentstore_views_entrance_exam_post
"""
resp = self.client.post(self.exam_url, {},
http_accept='application/json')
self.assertEqual(resp.status_code, 201)
resp = self.client.get(self.exam_url)
self.assertEqual(resp.status_code, 200)
# Reload the test course now that the exam module has been added
self.course = modulestore().get_course(self.course.id)
metadata = CourseMetadata.fetch_all(self.course)
self.assertTrue(metadata['entrance_exam_enabled'])
self.assertIsNotNone(metadata['entrance_exam_minimum_score_pct'])
self.assertIsNotNone(metadata['entrance_exam_id']['value'])
self.assertTrue(
len(
milestones_helpers.get_course_milestones(
six.text_type(self.course.id))))
content_milestones = milestones_helpers.get_course_content_milestones(
six.text_type(self.course.id),
metadata['entrance_exam_id']['value'],
self.milestone_relationship_types['FULFILLS'])
self.assertTrue(len(content_milestones))
def has_pending_milestones_for_user(block_key, usage_info):
"""
Test whether the current user has any unfulfilled milestones preventing
them from accessing this block.
"""
return bool(
milestones_helpers.get_course_content_milestones(
six.text_type(block_key.course_key), six.text_type(block_key),
'requires', usage_info.user.id))
def compute_is_prereq_met(content_id, user_id, recalc_on_unmet=False):
"""
Returns true if the prequiste has been met for a given milestone.
Will recalculate the subsection grade if specified and prereq unmet
Arguments:
content_id (BlockUsageLocator): BlockUsageLocator for the content
user_id: The id of the user
recalc_on_unmet: Recalculate the grade if prereq has not yet been met
Returns:
tuple: True|False,
prereq_meta_info = { 'url': prereq_url|None, 'display_name': prereq_name|None}
"""
course_key = content_id.course_key
# if unfullfilled milestones exist it means prereq has not been met
unfulfilled_milestones = milestones_helpers.get_course_content_milestones(
course_key, content_id, 'requires', user_id)
prereq_met = not unfulfilled_milestones
prereq_meta_info = {'url': None, 'display_name': None}
if prereq_met or not recalc_on_unmet:
return prereq_met, prereq_meta_info
milestone = unfulfilled_milestones[0]
student = User.objects.get(id=user_id)
store = modulestore()
with store.bulk_operations(course_key):
subsection_usage_key = UsageKey.from_string(
_get_gating_block_id(milestone))
subsection = store.get_item(subsection_usage_key)
prereq_meta_info = {
'url':
reverse('jump_to',
kwargs={
'course_id': course_key,
'location': subsection_usage_key
}),
'display_name':
subsection.display_name,
'id':
str(subsection_usage_key)
}
prereq_met = update_milestone(milestone, subsection_usage_key,
milestone, student)
return prereq_met, prereq_meta_info
def _can_access_descriptor_with_milestones(user, descriptor, course_key):
"""
Returns if the object is blocked by an unfulfilled milestone.
Args:
user: the user trying to access this content
descriptor: the object being accessed
course_key: key for the course for this descriptor
"""
if milestones_helpers.get_course_content_milestones(
course_key, str(descriptor.location), 'requires', user.id):
debug("Deny: user has not completed all milestones for content")
return ACCESS_DENIED
else:
return ACCESS_GRANTED
def test_entrance_exam_milestone_addition(self):
"""
Unit Test: test addition of entrance exam milestone content
"""
parent_locator = str(self.course.location)
created_block = create_xblock(parent_locator=parent_locator,
user=self.user,
category='chapter',
display_name=('Entrance Exam'),
is_entrance_exam=True)
add_entrance_exam_milestone(self.course.id, created_block)
content_milestones = milestones_helpers.get_course_content_milestones(
str(self.course.id), str(created_block.location),
self.milestone_relationship_types['FULFILLS'])
self.assertTrue(len(content_milestones))
self.assertEqual(
len(milestones_helpers.get_course_milestones(self.course.id)), 1)
def has_pending_milestones(self, usage_key):
return bool(
milestones_helpers.get_course_content_milestones(
str(self.course_key), str(usage_key), 'requires',
self.user.id))
def test_get_course_content_milestones_returns_none_when_app_disabled(
self):
response = milestones_helpers.get_course_content_milestones(
six.text_type(self.course.id), 'i4x://doesnt/matter/for/this/test',
'requires')
self.assertEqual(len(response), 0)
