Commit 46570b01 by Victor Shnayder

refactor tests, add test for is_commentable_cohorted, fix a bug

parent 439acf2d
......@@ -35,8 +35,12 @@ def get_cohort_id(user, course_id):
def is_commentable_cohorted(course_id, commentable_id):
"""
Given a course and a commentable id, return whether or not this commentable
is cohorted.
Args:
course_id: string
commentable_id: string
Returns:
Bool: is this commentable cohorted?
Raises:
Http404 if the course doesn't exist.
......@@ -49,7 +53,7 @@ def is_commentable_cohorted(course_id, commentable_id):
elif commentable_id in course.top_level_discussion_topic_ids:
# top level discussions have to be manually configured as cohorted
# (default is not)
ans = commentable_id in course.cohorted_discussions()
ans = commentable_id in course.cohorted_discussions
else:
# inline discussions are cohorted by default
ans = True
......@@ -61,21 +65,10 @@ def is_commentable_cohorted(course_id, commentable_id):
def get_cohort(user, course_id):
c = _get_cohort(user, course_id)
log.debug("get_cohort({0}, {1}) = {2}".format(
user, course_id,
c.id if c is not None else None))
return c
def _get_cohort(user, course_id):
"""
Given a django User and a course_id, return the user's cohort in that
cohort.
TODO: In classes with auto-cohorting, put the user in a cohort if they
aren't in one already.
Arguments:
user: a Django User object.
course_id: string in the format 'org/course/run'
......@@ -88,7 +81,7 @@ def _get_cohort(user, course_id):
ValueError if the course_id doesn't exist.
"""
# First check whether the course is cohorted (users shouldn't be in a cohort
# in non-cohorted courses, but settings can change after )
# in non-cohorted courses, but settings can change after course starts)
try:
course = courses.get_course_by_id(course_id)
except Http404:
......@@ -98,17 +91,12 @@ def _get_cohort(user, course_id):
return None
try:
group = CourseUserGroup.objects.get(course_id=course_id,
return CourseUserGroup.objects.get(course_id=course_id,
group_type=CourseUserGroup.COHORT,
users__id=user.id)
except CourseUserGroup.DoesNotExist:
group = None
if group:
return group
# TODO: add auto-cohorting logic here once we know what that will be.
return None
# TODO: add auto-cohorting logic here once we know what that will be.
return None
def get_course_cohorts(course_id):
......@@ -119,7 +107,8 @@ def get_course_cohorts(course_id):
course_id: string in the format 'org/course/run'
Returns:
A list of CourseUserGroup objects. Empty if there are no cohorts.
A list of CourseUserGroup objects. Empty if there are no cohorts. Does
not check whether the course is cohorted.
"""
return list(CourseUserGroup.objects.filter(course_id=course_id,
group_type=CourseUserGroup.COHORT))
......
......@@ -5,12 +5,68 @@ from django.conf import settings
from override_settings import override_settings
from course_groups.models import CourseUserGroup
from course_groups.cohorts import get_cohort, get_course_cohorts
from course_groups.cohorts import (get_cohort, get_course_cohorts,
is_commentable_cohorted)
from xmodule.modulestore.django import modulestore
from xmodule.modulestore.django import modulestore, _MODULESTORES
class TestCohorts(django.test.TestCase):
@staticmethod
def topic_name_to_id(course, name):
"""
Given a discussion topic name, return an id for that name (includes
course and url_name).
"""
return "{course}_{run}_{name}".format(course=course.location.course,
run=course.url_name,
name=name)
@staticmethod
def config_course_cohorts(course, discussions,
cohorted, cohorted_discussions=None):
"""
Given a course with no discussion set up, add the discussions and set
the cohort config appropriately.
Arguments:
course: CourseDescriptor
discussions: list of topic names strings. Picks ids and sort_keys
automatically.
cohorted: bool.
cohorted_discussions: optional list of topic names. If specified,
converts them to use the same ids as topic names.
Returns:
Nothing -- modifies course in place.
"""
def to_id(name):
return TestCohorts.topic_name_to_id(course, name)
topics = dict((name, {"sort_key": "A",
"id": to_id(name)})
for name in discussions)
course.metadata["discussion_topics"] = topics
d = {"cohorted": cohorted}
if cohorted_discussions is not None:
d["cohorted_discussions"] = [to_id(name)
for name in cohorted_discussions]
course.metadata["cohort_config"] = d
def setUp(self):
"""
Make sure that course is reloaded every time--clear out the modulestore.
"""
# don't like this, but don't know a better way to undo all changes made
# to course. We don't have a course.clone() method.
_MODULESTORES.clear()
def test_get_cohort(self):
# Need to fix this, but after we're testing on staging. (Looks like
# problem is that when get_cohort internally tries to look up the
......@@ -20,7 +76,8 @@ class TestCohorts(django.test.TestCase):
# dir.
course = modulestore().get_course("edX/toy/2012_Fall")
self.assertEqual(course.id, "edX/toy/2012_Fall")
self.assertFalse(course.is_cohorted)
user = User.objects.create(username="test", email="a@b.com")
other_user = User.objects.create(username="test2", email="a2@b.com")
......@@ -36,8 +93,8 @@ class TestCohorts(django.test.TestCase):
"Course isn't cohorted, so shouldn't have a cohort")
# Make the course cohorted...
course.metadata["cohort_config"] = {"cohorted": True}
self.config_course_cohorts(course, [], cohorted=True)
self.assertEquals(get_cohort(user, course.id).id, cohort.id,
"Should find the right cohort")
......@@ -65,3 +122,49 @@ class TestCohorts(django.test.TestCase):
cohorts = sorted([c.name for c in get_course_cohorts(course1_id)])
self.assertEqual(cohorts, ['TestCohort', 'TestCohort2'])
def test_is_commentable_cohorted(self):
course = modulestore().get_course("edX/toy/2012_Fall")
self.assertFalse(course.is_cohorted)
def to_id(name):
return self.topic_name_to_id(course, name)
# no topics
self.assertFalse(is_commentable_cohorted(course.id, to_id("General")),
"Course doesn't even have a 'General' topic")
# not cohorted
self.config_course_cohorts(course, ["General", "Feedback"],
cohorted=False)
self.assertFalse(is_commentable_cohorted(course.id, to_id("General")),
"Course isn't cohorted")
# cohorted, but top level topics aren't
self.config_course_cohorts(course, ["General", "Feedback"],
cohorted=True)
self.assertTrue(course.is_cohorted)
self.assertFalse(is_commentable_cohorted(course.id, to_id("General")),
"Course is cohorted, but 'General' isn't.")
self.assertTrue(
is_commentable_cohorted(course.id, to_id("random")),
"Non-top-level discussion is always cohorted in cohorted courses.")
# cohorted, including "Feedback" top-level topics aren't
self.config_course_cohorts(course, ["General", "Feedback"],
cohorted=True,
cohorted_discussions=["Feedback"])
self.assertTrue(course.is_cohorted)
self.assertFalse(is_commentable_cohorted(course.id, to_id("General")),
"Course is cohorted, but 'General' isn't.")
self.assertTrue(
is_commentable_cohorted(course.id, to_id("Feedback")),
"Feedback was listed as cohorted. Should be.")
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