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edx
edx-platform
Commits
46523b10
Commit
46523b10
authored
Oct 28, 2015
by
Nimisha Asthagiri
Committed by
J. Cliff Dyer
Nov 05, 2015
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Transformer: ProctoredExamTransformer
parent
06980764
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lms/djangoapps/course_api/blocks/transformers/proctored_exam.py
+63
-0
lms/djangoapps/course_api/blocks/transformers/tests/test_proctored_exam.py
+171
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lms/djangoapps/course_api/blocks/transformers/proctored_exam.py
0 → 100644
View file @
46523b10
"""
Proctored Exams Transformer
"""
from
django.conf
import
settings
from
edx_proctoring.api
import
get_attempt_status_summary
from
edx_proctoring.models
import
ProctoredExamStudentAttemptStatus
from
openedx.core.lib.block_cache.transformer
import
BlockStructureTransformer
class
ProctoredExamTransformer
(
BlockStructureTransformer
):
"""
Exclude proctored exams unless the user is not a verified student or has
declined taking the exam.
"""
VERSION
=
1
BLOCK_HAS_PROCTORED_EXAM
=
'has_proctored_exam'
@classmethod
def
name
(
cls
):
return
"proctored_exam"
@classmethod
def
collect
(
cls
,
block_structure
):
"""
Computes any information for each XBlock that's necessary to execute
this transformer's transform method.
Arguments:
block_structure (BlockStructureCollectedData)
"""
block_structure
.
request_xblock_fields
(
'is_proctored_enabled'
)
block_structure
.
request_xblock_fields
(
'is_practice_exam'
)
def
transform
(
self
,
usage_info
,
block_structure
):
"""
Mutates block_structure based on the given usage_info.
"""
if
not
settings
.
FEATURES
.
get
(
'ENABLE_PROCTORED_EXAMS'
,
False
):
return
def
is_proctored_exam_for_user
(
block_key
):
"""
Test whether the block is a proctored exam for the user in
question.
"""
if
(
block_key
.
block_type
==
'sequential'
and
(
block_structure
.
get_xblock_field
(
block_key
,
'is_proctored_enabled'
)
or
block_structure
.
get_xblock_field
(
block_key
,
'is_practice_exam'
)
)
):
# This section is an exam. It should be excluded unless the
# user is not a verified student or has declined taking the exam.
user_exam_summary
=
get_attempt_status_summary
(
usage_info
.
user
.
id
,
unicode
(
block_key
.
course_key
),
unicode
(
block_key
),
)
return
user_exam_summary
and
user_exam_summary
[
'status'
]
!=
ProctoredExamStudentAttemptStatus
.
declined
block_structure
.
remove_block_if
(
is_proctored_exam_for_user
)
lms/djangoapps/course_api/blocks/transformers/tests/test_proctored_exam.py
0 → 100644
View file @
46523b10
"""
Tests for ProctoredExamTransformer.
"""
from
mock
import
patch
import
ddt
from
edx_proctoring.api
import
(
create_exam
,
create_exam_attempt
,
update_attempt_status
)
from
edx_proctoring.models
import
ProctoredExamStudentAttemptStatus
from
edx_proctoring.runtime
import
set_runtime_service
from
edx_proctoring.tests.test_services
import
MockCreditService
from
lms.djangoapps.course_blocks.transformers.tests.test_helpers
import
CourseStructureTestCase
from
student.tests.factories
import
CourseEnrollmentFactory
from
..proctored_exam
import
ProctoredExamTransformer
from
...api
import
get_course_blocks
@ddt.ddt
@patch.dict
(
'django.conf.settings.FEATURES'
,
{
'ENABLE_PROCTORED_EXAMS'
:
True
})
class
ProctoredExamTransformerTestCase
(
CourseStructureTestCase
):
"""
Test behavior of ProctoredExamTransformer
"""
def
setUp
(
self
):
"""
Setup course structure and create user for split test transformer test.
"""
super
(
ProctoredExamTransformerTestCase
,
self
)
.
setUp
()
# Set up proctored exam
# Build course.
self
.
course_hierarchy
=
self
.
get_course_hierarchy
()
self
.
blocks
=
self
.
build_course
(
self
.
course_hierarchy
)
self
.
course
=
self
.
blocks
[
'course'
]
# Enroll user in course.
CourseEnrollmentFactory
.
create
(
user
=
self
.
user
,
course_id
=
self
.
course
.
id
,
is_active
=
True
)
self
.
transformer
=
ProctoredExamTransformer
()
def
setup_proctored_exam
(
self
,
block
,
attempt_status
,
user_id
):
"""
Test helper to configure the given block as a proctored exam.
"""
exam_id
=
create_exam
(
course_id
=
unicode
(
block
.
location
.
course_key
),
content_id
=
unicode
(
block
.
location
),
exam_name
=
'foo'
,
time_limit_mins
=
10
,
is_proctored
=
True
,
is_practice_exam
=
block
.
is_practice_exam
,
)
set_runtime_service
(
'credit'
,
MockCreditService
(
enrollment_mode
=
'verified'
)
)
create_exam_attempt
(
exam_id
,
user_id
,
taking_as_proctored
=
True
)
update_attempt_status
(
exam_id
,
user_id
,
attempt_status
)
ALL_BLOCKS
=
(
'course'
,
'A'
,
'B'
,
'C'
,
'TimedExam'
,
'D'
,
'E'
,
'PracticeExam'
,
'F'
,
'G'
)
def
get_course_hierarchy
(
self
):
"""
Get a course hierarchy to test with.
"""
# course
# / | \
# / | \
# A Exam1 Exam2
# / \ / \ / \
# / \ / \ / \
# B C D E F G
#
return
[
{
'org'
:
'ProctoredExamTransformer'
,
'course'
:
'PE101F'
,
'run'
:
'test_run'
,
'#type'
:
'course'
,
'#ref'
:
'course'
,
},
{
'#type'
:
'sequential'
,
'#ref'
:
'A'
,
'#children'
:
[
{
'#type'
:
'vertical'
,
'#ref'
:
'B'
},
{
'#type'
:
'vertical'
,
'#ref'
:
'C'
},
],
},
{
'#type'
:
'sequential'
,
'#ref'
:
'TimedExam'
,
'is_time_limited'
:
True
,
'is_proctored_enabled'
:
True
,
'is_practice_exam'
:
False
,
'#children'
:
[
{
'#type'
:
'vertical'
,
'#ref'
:
'D'
},
{
'#type'
:
'vertical'
,
'#ref'
:
'E'
},
],
},
{
'#type'
:
'sequential'
,
'#ref'
:
'PracticeExam'
,
'is_time_limited'
:
True
,
'is_proctored_enabled'
:
True
,
'is_practice_exam'
:
True
,
'#children'
:
[
{
'#type'
:
'vertical'
,
'#ref'
:
'F'
},
{
'#type'
:
'vertical'
,
'#ref'
:
'G'
},
],
},
]
def
test_exam_not_created
(
self
):
block_structure
=
get_course_blocks
(
self
.
user
,
self
.
course
.
location
,
transformers
=
{
self
.
transformer
},
)
self
.
assertEqual
(
set
(
block_structure
.
get_block_keys
()),
set
(
self
.
get_block_key_set
(
self
.
blocks
,
*
self
.
ALL_BLOCKS
)),
)
@ddt.data
(
(
'TimedExam'
,
ProctoredExamStudentAttemptStatus
.
declined
,
ALL_BLOCKS
,
),
(
'TimedExam'
,
ProctoredExamStudentAttemptStatus
.
submitted
,
(
'course'
,
'A'
,
'B'
,
'C'
,
'PracticeExam'
,
'F'
,
'G'
),
),
(
'TimedExam'
,
ProctoredExamStudentAttemptStatus
.
rejected
,
(
'course'
,
'A'
,
'B'
,
'C'
,
'PracticeExam'
,
'F'
,
'G'
),
),
(
'PracticeExam'
,
ProctoredExamStudentAttemptStatus
.
declined
,
ALL_BLOCKS
,
),
(
'PracticeExam'
,
ProctoredExamStudentAttemptStatus
.
rejected
,
(
'course'
,
'A'
,
'B'
,
'C'
,
'TimedExam'
,
'D'
,
'E'
),
),
)
@ddt.unpack
def
test_exam_created
(
self
,
exam_ref
,
attempt_status
,
expected_blocks
):
self
.
setup_proctored_exam
(
self
.
blocks
[
exam_ref
],
attempt_status
,
self
.
user
.
id
)
block_structure
=
get_course_blocks
(
self
.
user
,
self
.
course
.
location
,
transformers
=
{
self
.
transformer
},
)
self
.
assertEqual
(
set
(
block_structure
.
get_block_keys
()),
set
(
self
.
get_block_key_set
(
self
.
blocks
,
*
expected_blocks
)),
)
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