def test_get_cohort(self):
"""
Make sure get_cohort() does the right thing when the course is cohorted
"""
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="******", email="*****@*****.**")
other_user = User.objects.create(username="******", email="*****@*****.**")
self.assertIsNone(get_cohort(user, course.id), "No cohort created yet")
cohort = CourseUserGroup.objects.create(name="TestCohort",
course_id=course.id,
group_type=CourseUserGroup.COHORT)
cohort.users.add(user)
self.assertIsNone(get_cohort(user, course.id),
"Course isn't cohorted, so shouldn't have a cohort")
# Make the course cohorted...
self.config_course_cohorts(course, [], cohorted=True)
self.assertEquals(get_cohort(user, course.id).id, cohort.id,
"Should find the right cohort")
self.assertEquals(get_cohort(other_user, course.id), None,
"other_user shouldn't have a cohort")
def test_get_cohort(self):
"""
Make sure get_cohort() does the right thing when the course is cohorted
"""
course = modulestore().get_course(self.toy_course_key)
self.assertEqual(course.id, self.toy_course_key)
self.assertFalse(course.is_cohorted)
user = User.objects.create(username="******", email="*****@*****.**")
other_user = User.objects.create(username="******", email="*****@*****.**")
self.assertIsNone(get_cohort(user, course.id), "No cohort created yet")
cohort = CourseUserGroup.objects.create(name="TestCohort",
course_id=course.id,
group_type=CourseUserGroup.COHORT)
cohort.users.add(user)
self.assertIsNone(get_cohort(user, course.id),
"Course isn't cohorted, so shouldn't have a cohort")
# Make the course cohorted...
self.config_course_cohorts(course, [], cohorted=True)
self.assertEquals(get_cohort(user, course.id).id, cohort.id,
"Should find the right cohort")
self.assertEquals(get_cohort(other_user, course.id), None,
"other_user shouldn't have a cohort")
def test_auto_cohorting_randomization(self):
"""
Make sure get_cohort() randomizes properly.
"""
course = modulestore().get_course("edX/toy/2012_Fall")
self.assertEqual(course.id, "edX/toy/2012_Fall")
self.assertFalse(course.is_cohorted)
groups = ["group_{0}".format(n) for n in range(5)]
self.config_course_cohorts(course, [], cohorted=True,
auto_cohort=True,
auto_cohort_groups=groups)
# Assign 100 users to cohorts
for i in range(100):
user = User.objects.create(username="******".format(i),
email="a@b{0}.com".format(i))
get_cohort(user, course.id)
# Now make sure that the assignment was at least vaguely random:
# each cohort should have at least 1, and fewer than 50 students.
# (with 5 groups, probability of 0 users in any group is about
# .8**100= 2.0e-10)
for cohort_name in groups:
cohort = get_cohort_by_name(course.id, cohort_name)
num_users = cohort.users.count()
self.assertGreater(num_users, 1)
self.assertLess(num_users, 50)
def test_get_cohort(self):
"""
Make sure cohorts.get_cohort() does the right thing when the course is cohorted
"""
course = modulestore().get_course(self.toy_course_key)
self.assertEqual(course.id, self.toy_course_key)
self.assertFalse(course.is_cohorted)
user = UserFactory(username="******", email="*****@*****.**")
other_user = UserFactory(username="******", email="*****@*****.**")
self.assertIsNone(cohorts.get_cohort(user, course.id), "No cohort created yet")
cohort = CohortFactory(course_id=course.id, name="TestCohort")
cohort.users.add(user)
self.assertIsNone(
cohorts.get_cohort(user, course.id),
"Course isn't cohorted, so shouldn't have a cohort"
)
# Make the course cohorted...
config_course_cohorts(course, discussions=[], cohorted=True)
self.assertEquals(
cohorts.get_cohort(user, course.id).id,
cohort.id,
"user should be assigned to the correct cohort"
)
self.assertEquals(
cohorts.get_cohort(other_user, course.id).id,
cohorts.get_cohort_by_name(course.id, cohorts.DEFAULT_COHORT_NAME).id,
"other_user should be assigned to the default cohort"
)
def test_auto_cohorting_randomization(self):
"""
Make sure get_cohort() randomizes properly.
"""
course = modulestore().get_course(self.toy_course_key)
self.assertFalse(course.is_cohorted)
groups = ["group_{0}".format(n) for n in range(5)]
self.config_course_cohorts(course, [], cohorted=True,
auto_cohort=True,
auto_cohort_groups=groups)
# Assign 100 users to cohorts
for i in range(100):
user = User.objects.create(username="******".format(i),
email="a@b{0}.com".format(i))
get_cohort(user, course.id)
# Now make sure that the assignment was at least vaguely random:
# each cohort should have at least 1, and fewer than 50 students.
# (with 5 groups, probability of 0 users in any group is about
# .8**100= 2.0e-10)
for cohort_name in groups:
cohort = get_cohort_by_name(course.id, cohort_name)
num_users = cohort.users.count()
self.assertGreater(num_users, 1)
self.assertLess(num_users, 50)
def test_get_cohort(self):
"""
Make sure cohorts.get_cohort() does the right thing when the course is cohorted
"""
course = modulestore().get_course(self.toy_course_key)
self.assertEqual(course.id, self.toy_course_key)
self.assertFalse(course.is_cohorted)
user = UserFactory(username="******", email="*****@*****.**")
other_user = UserFactory(username="******", email="*****@*****.**")
self.assertIsNone(cohorts.get_cohort(user, course.id),
"No cohort created yet")
cohort = CohortFactory(course_id=course.id, name="TestCohort")
cohort.users.add(user)
self.assertIsNone(cohorts.get_cohort(user, course.id),
"Course isn't cohorted, so shouldn't have a cohort")
# Make the course cohorted...
config_course_cohorts(course, discussions=[], cohorted=True)
self.assertEquals(
cohorts.get_cohort(user, course.id).id, cohort.id,
"user should be assigned to the correct cohort")
self.assertEquals(
cohorts.get_cohort(other_user, course.id).id,
cohorts.get_cohort_by_name(course.id,
cohorts.DEFAULT_COHORT_NAME).id,
"other_user should be assigned to the default cohort")
def test_auto_cohorting(self):
"""
Make sure get_cohort() does the right thing when the course is auto_cohorted
"""
course = modulestore().get_course("edX/toy/2012_Fall")
self.assertEqual(course.id, "edX/toy/2012_Fall")
self.assertFalse(course.is_cohorted)
user1 = User.objects.create(username="******", email="*****@*****.**")
user2 = User.objects.create(username="******", email="*****@*****.**")
user3 = User.objects.create(username="******", email="*****@*****.**")
cohort = CourseUserGroup.objects.create(
name="TestCohort",
course_id=course.id,
group_type=CourseUserGroup.COHORT)
# user1 manually added to a cohort
cohort.users.add(user1)
# Make the course auto cohorted...
self.config_course_cohorts(course, [],
cohorted=True,
auto_cohort=True,
auto_cohort_groups=["AutoGroup"])
self.assertEquals(
get_cohort(user1, course.id).id, cohort.id,
"user1 should stay put")
self.assertEquals(
get_cohort(user2, course.id).name, "AutoGroup",
"user2 should be auto-cohorted")
# Now make the group list empty
self.config_course_cohorts(course, [],
cohorted=True,
auto_cohort=True,
auto_cohort_groups=[])
self.assertEquals(get_cohort(user3, course.id), None,
"No groups->no auto-cohorting")
# Now make it different
self.config_course_cohorts(course, [],
cohorted=True,
auto_cohort=True,
auto_cohort_groups=["OtherGroup"])
self.assertEquals(
get_cohort(user3, course.id).name, "OtherGroup",
"New list->new group")
self.assertEquals(
get_cohort(user2, course.id).name, "AutoGroup",
"user2 should still be in originally placed cohort")
def test_auto_cohorting(self):
"""
Make sure cohorts.get_cohort() does the right thing when the course is auto_cohorted
"""
course = modulestore().get_course(self.toy_course_key)
self.assertFalse(course.is_cohorted)
user1 = User.objects.create(username="******", email="*****@*****.**")
user2 = User.objects.create(username="******", email="*****@*****.**")
user3 = User.objects.create(username="******", email="*****@*****.**")
cohort = CourseUserGroup.objects.create(name="TestCohort",
course_id=course.id,
group_type=CourseUserGroup.COHORT)
# user1 manually added to a cohort
cohort.users.add(user1)
# Make the course auto cohorted...
config_course_cohorts(
course, [], cohorted=True,
auto_cohort=True,
auto_cohort_groups=["AutoGroup"]
)
self.assertEquals(cohorts.get_cohort(user1, course.id).id, cohort.id,
"user1 should stay put")
self.assertEquals(cohorts.get_cohort(user2, course.id).name, "AutoGroup",
"user2 should be auto-cohorted")
# Now make the group list empty
config_course_cohorts(
course, [], cohorted=True,
auto_cohort=True,
auto_cohort_groups=[]
)
self.assertEquals(cohorts.get_cohort(user3, course.id), None,
"No groups->no auto-cohorting")
# Now make it different
config_course_cohorts(
course, [], cohorted=True,
auto_cohort=True,
auto_cohort_groups=["OtherGroup"]
)
self.assertEquals(cohorts.get_cohort(user3, course.id).name, "OtherGroup",
"New list->new group")
self.assertEquals(cohorts.get_cohort(user2, course.id).name, "AutoGroup",
"user2 should still be in originally placed cohort")
def test_default_cohort(self):
"""
Verify that the default cohort is not created and included in the response until students are assigned to it.
"""
# verify the default cohort is not created when the course is not cohorted
self.verify_lists_expected_cohorts([])
# create a cohorted course without any auto_cohort_groups
config_course_cohorts(self.course, [], cohorted=True)
# verify the default cohort is not yet created until a user is assigned
self.verify_lists_expected_cohorts([])
# create enrolled users
users = [UserFactory() for _ in range(3)]
self._enroll_users(users, self.course.id)
# mimic users accessing the discussion forum
for user in users:
get_cohort(user, self.course.id)
# verify the default cohort is automatically created
default_cohort = get_cohort_by_name(self.course.id,
DEFAULT_COHORT_NAME)
actual_cohorts = self.request_list_cohorts(self.course)
self.verify_lists_expected_cohorts(
[
ListCohortsTestCase.create_expected_cohort(
default_cohort, len(users), CohortAssignmentType.RANDOM)
],
actual_cohorts,
)
# set auto_cohort_groups and verify the default cohort is no longer listed as RANDOM
config_course_cohorts(self.course, [],
cohorted=True,
auto_cohort_groups=["AutoGroup"])
actual_cohorts = self.request_list_cohorts(self.course)
auto_cohort = get_cohort_by_name(self.course.id, "AutoGroup")
self.verify_lists_expected_cohorts(
[
ListCohortsTestCase.create_expected_cohort(
default_cohort, len(users), CohortAssignmentType.NONE),
ListCohortsTestCase.create_expected_cohort(
auto_cohort, 0, CohortAssignmentType.RANDOM),
],
actual_cohorts,
)
def test_default_cohort(self):
"""
Verify that the default cohort is not created and included in the response until students are assigned to it.
"""
# verify the default cohort is not created when the course is not cohorted
self.verify_lists_expected_cohorts([])
# create a cohorted course without any auto_cohort_groups
config_course_cohorts(self.course, [], cohorted=True)
# verify the default cohort is not yet created until a user is assigned
self.verify_lists_expected_cohorts([])
# create enrolled users
users = [UserFactory() for _ in range(3)]
self._enroll_users(users, self.course.id)
# mimic users accessing the discussion forum
for user in users:
get_cohort(user, self.course.id)
# verify the default cohort is automatically created
default_cohort = get_cohort_by_name(self.course.id, DEFAULT_COHORT_NAME)
actual_cohorts = self.request_list_cohorts(self.course)
self.verify_lists_expected_cohorts(
[ListCohortsTestCase.create_expected_cohort(default_cohort, len(users), CohortAssignmentType.RANDOM)],
actual_cohorts,
)
# set auto_cohort_groups and verify the default cohort is no longer listed as RANDOM
config_course_cohorts(self.course, [], cohorted=True, auto_cohort_groups=["AutoGroup"])
actual_cohorts = self.request_list_cohorts(self.course)
auto_cohort = get_cohort_by_name(self.course.id, "AutoGroup")
self.verify_lists_expected_cohorts(
[
ListCohortsTestCase.create_expected_cohort(default_cohort, len(users), CohortAssignmentType.NONE),
ListCohortsTestCase.create_expected_cohort(auto_cohort, 0, CohortAssignmentType.RANDOM),
],
actual_cohorts,
)
def test_auto_cohorting(self):
"""
Make sure cohorts.get_cohort() does the right thing with auto_cohort_groups
"""
course = modulestore().get_course(self.toy_course_key)
self.assertFalse(course.is_cohorted)
user1 = UserFactory(username="******", email="*****@*****.**")
user2 = UserFactory(username="******", email="*****@*****.**")
user3 = UserFactory(username="******", email="*****@*****.**")
user4 = UserFactory(username="******", email="*****@*****.**")
cohort = CohortFactory(course_id=course.id, name="TestCohort")
# user1 manually added to a cohort
cohort.users.add(user1)
# Add an auto_cohort_group to the course...
config_course_cohorts(
course,
discussions=[],
cohorted=True,
auto_cohort_groups=["AutoGroup"]
)
self.assertEquals(cohorts.get_cohort(user1, course.id).id, cohort.id, "user1 should stay put")
self.assertEquals(cohorts.get_cohort(user2, course.id).name, "AutoGroup", "user2 should be auto-cohorted")
# Now make the auto_cohort_group list empty
config_course_cohorts(
course,
discussions=[],
cohorted=True,
auto_cohort_groups=[]
)
self.assertEquals(
cohorts.get_cohort(user3, course.id).id,
cohorts.get_cohort_by_name(course.id, cohorts.DEFAULT_COHORT_NAME).id,
"No groups->default cohort"
)
# Now set the auto_cohort_group to something different
config_course_cohorts(
course,
discussions=[],
cohorted=True,
auto_cohort_groups=["OtherGroup"]
)
self.assertEquals(
cohorts.get_cohort(user4, course.id).name, "OtherGroup", "New list->new group"
)
self.assertEquals(
cohorts.get_cohort(user1, course.id).name, "TestCohort", "user1 should still be in originally placed cohort"
)
self.assertEquals(
cohorts.get_cohort(user2, course.id).name, "AutoGroup", "user2 should still be in originally placed cohort"
)
self.assertEquals(
cohorts.get_cohort(user3, course.id).name,
cohorts.get_cohort_by_name(course.id, cohorts.DEFAULT_COHORT_NAME).name,
"user3 should still be in the default cohort"
)
def test_auto_cohorting(self):
"""
Make sure cohorts.get_cohort() does the right thing with auto_cohort_groups
"""
course = modulestore().get_course(self.toy_course_key)
self.assertFalse(course.is_cohorted)
user1 = UserFactory(username="******", email="*****@*****.**")
user2 = UserFactory(username="******", email="*****@*****.**")
user3 = UserFactory(username="******", email="*****@*****.**")
user4 = UserFactory(username="******", email="*****@*****.**")
cohort = CohortFactory(course_id=course.id, name="TestCohort")
# user1 manually added to a cohort
cohort.users.add(user1)
# Add an auto_cohort_group to the course...
config_course_cohorts(course,
discussions=[],
cohorted=True,
auto_cohort_groups=["AutoGroup"])
self.assertEquals(
cohorts.get_cohort(user1, course.id).id, cohort.id,
"user1 should stay put")
self.assertEquals(
cohorts.get_cohort(user2, course.id).name, "AutoGroup",
"user2 should be auto-cohorted")
# Now make the auto_cohort_group list empty
config_course_cohorts(course,
discussions=[],
cohorted=True,
auto_cohort_groups=[])
self.assertEquals(
cohorts.get_cohort(user3, course.id).id,
cohorts.get_cohort_by_name(course.id,
cohorts.DEFAULT_COHORT_NAME).id,
"No groups->default cohort")
# Now set the auto_cohort_group to something different
config_course_cohorts(course,
discussions=[],
cohorted=True,
auto_cohort_groups=["OtherGroup"])
self.assertEquals(
cohorts.get_cohort(user4, course.id).name, "OtherGroup",
"New list->new group")
self.assertEquals(
cohorts.get_cohort(user1, course.id).name, "TestCohort",
"user1 should still be in originally placed cohort")
self.assertEquals(
cohorts.get_cohort(user2, course.id).name, "AutoGroup",
"user2 should still be in originally placed cohort")
self.assertEquals(
cohorts.get_cohort(user3, course.id).name,
cohorts.get_cohort_by_name(course.id,
cohorts.DEFAULT_COHORT_NAME).name,
"user3 should still be in the default cohort")
