619 lines
23 KiB
Python
619 lines
23 KiB
Python
"""
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Test saved subsection grade functionality.
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"""
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# pylint: disable=protected-access
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import datetime
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import ddt
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from django.conf import settings
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from django.db.utils import DatabaseError
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import itertools
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from mock import patch
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import pytz
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from capa.tests.response_xml_factory import MultipleChoiceResponseXMLFactory
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from courseware.tests.helpers import get_request_for_user
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from courseware.tests.test_submitting_problems import ProblemSubmissionTestMixin
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from lms.djangoapps.course_blocks.api import get_course_blocks
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from lms.djangoapps.grades.config.tests.utils import persistent_grades_feature_flags
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from student.models import CourseEnrollment
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from student.tests.factories import UserFactory
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from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, SharedModuleStoreTestCase
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from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
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from xmodule.modulestore.tests.utils import TEST_DATA_DIR
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from xmodule.modulestore.xml_importer import import_course_from_xml
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from ..models import PersistentSubsectionGrade
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from ..new.course_grade import CourseGradeFactory
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from ..new.subsection_grade import SubsectionGrade, SubsectionGradeFactory
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from .utils import mock_get_score, mock_get_submissions_score
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class GradeTestBase(SharedModuleStoreTestCase):
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"""
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Base class for Course- and SubsectionGradeFactory tests.
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"""
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@classmethod
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def setUpClass(cls):
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super(GradeTestBase, cls).setUpClass()
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cls.course = CourseFactory.create()
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cls.chapter = ItemFactory.create(
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parent=cls.course,
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category="chapter",
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display_name="Test Chapter"
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)
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cls.sequence = ItemFactory.create(
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parent=cls.chapter,
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category='sequential',
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display_name="Test Sequential 1",
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graded=True,
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format="Homework"
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)
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cls.vertical = ItemFactory.create(
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parent=cls.sequence,
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category='vertical',
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display_name='Test Vertical 1'
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)
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problem_xml = MultipleChoiceResponseXMLFactory().build_xml(
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question_text='The correct answer is Choice 3',
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choices=[False, False, True, False],
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choice_names=['choice_0', 'choice_1', 'choice_2', 'choice_3']
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)
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cls.problem = ItemFactory.create(
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parent=cls.vertical,
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category="problem",
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display_name="Test Problem",
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data=problem_xml
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)
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def setUp(self):
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super(GradeTestBase, self).setUp()
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self.request = get_request_for_user(UserFactory())
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self.client.login(username=self.request.user.username, password="test")
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self.course_structure = get_course_blocks(self.request.user, self.course.location)
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self.subsection_grade_factory = SubsectionGradeFactory(self.request.user, self.course, self.course_structure)
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CourseEnrollment.enroll(self.request.user, self.course.id)
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@ddt.ddt
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class TestCourseGradeFactory(GradeTestBase):
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"""
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Test that CourseGrades are calculated properly
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"""
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@patch.dict(settings.FEATURES, {'PERSISTENT_GRADES_ENABLED_FOR_ALL_TESTS': False})
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@ddt.data(
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(True, True),
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(True, False),
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(False, True),
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(False, False),
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)
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@ddt.unpack
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def test_course_grade_feature_gating(self, feature_flag, course_setting):
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# Grades are only saved if the feature flag and the advanced setting are
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# both set to True.
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grade_factory = CourseGradeFactory(self.request.user)
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with persistent_grades_feature_flags(
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global_flag=feature_flag,
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enabled_for_all_courses=False,
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course_id=self.course.id,
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enabled_for_course=course_setting
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):
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with patch('lms.djangoapps.grades.new.course_grade.CourseGrade.load_persisted_grade') as mock_save_grades:
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grade_factory.create(self.course)
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self.assertEqual(mock_save_grades.called, feature_flag and course_setting)
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def test_course_grade_creation(self):
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grading_policy = {
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"GRADER": [
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{
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"type": "Homework",
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"min_count": 1,
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"drop_count": 0,
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"short_label": "HW",
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"weight": 1.0,
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},
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],
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"GRADE_CUTOFFS": {
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"Pass": 0.5,
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},
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}
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self.course.set_grading_policy(grading_policy)
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grade_factory = CourseGradeFactory(self.request.user)
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with mock_get_score(1, 2):
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course_grade = grade_factory.create(self.course)
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self.assertEqual(course_grade.letter_grade, u'Pass')
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self.assertEqual(course_grade.percent, 0.5)
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@ddt.ddt
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class TestSubsectionGradeFactory(ProblemSubmissionTestMixin, GradeTestBase):
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"""
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Tests for SubsectionGradeFactory functionality.
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Ensures that SubsectionGrades are created and updated properly, that
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persistent grades are functioning as expected, and that the flag to
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enable saving subsection grades blocks/enables that feature as expected.
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"""
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def assert_grade(self, grade, expected_earned, expected_possible):
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"""
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Asserts that the given grade object has the expected score.
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"""
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self.assertEqual(
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(grade.all_total.earned, grade.all_total.possible),
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(expected_earned, expected_possible),
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)
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def test_create(self):
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"""
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Assuming the underlying score reporting methods work,
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test that the score is calculated properly.
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"""
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with mock_get_score(1, 2):
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grade = self.subsection_grade_factory.create(self.sequence)
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self.assert_grade(grade, 1, 2)
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def test_create_internals(self):
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"""
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Tests to ensure that a persistent subsection grade is
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created, saved, then fetched on re-request.
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"""
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with patch(
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'lms.djangoapps.grades.new.subsection_grade.PersistentSubsectionGrade.create_grade',
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wraps=PersistentSubsectionGrade.create_grade
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) as mock_create_grade:
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with patch(
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'lms.djangoapps.grades.new.subsection_grade.SubsectionGradeFactory._get_bulk_cached_grade',
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wraps=self.subsection_grade_factory._get_bulk_cached_grade
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) as mock_get_saved_grade:
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with self.assertNumQueries(14):
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grade_a = self.subsection_grade_factory.create(self.sequence)
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self.assertTrue(mock_get_saved_grade.called)
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self.assertTrue(mock_create_grade.called)
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mock_get_saved_grade.reset_mock()
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mock_create_grade.reset_mock()
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with self.assertNumQueries(0):
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grade_b = self.subsection_grade_factory.create(self.sequence)
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self.assertTrue(mock_get_saved_grade.called)
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self.assertFalse(mock_create_grade.called)
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self.assertEqual(grade_a.url_name, grade_b.url_name)
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self.assertEqual(grade_a.all_total, grade_b.all_total)
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def test_update(self):
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"""
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Assuming the underlying score reporting methods work,
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test that the score is calculated properly.
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"""
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with mock_get_score(1, 2):
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grade = self.subsection_grade_factory.update(self.sequence)
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self.assert_grade(grade, 1, 2)
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def test_update_if_higher(self):
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def verify_update_if_higher(mock_score, expected_grade):
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"""
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Updates the subsection grade and verifies the
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resulting grade is as expected.
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"""
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with mock_get_score(*mock_score):
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grade = self.subsection_grade_factory.update(self.sequence, only_if_higher=True)
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self.assert_grade(grade, *expected_grade)
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verify_update_if_higher((1, 2), (1, 2)) # previous value was non-existent
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verify_update_if_higher((2, 4), (1, 2)) # previous value was equivalent
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verify_update_if_higher((1, 4), (1, 2)) # previous value was greater
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verify_update_if_higher((3, 4), (3, 4)) # previous value was less
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@ddt.data(
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(
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'lms.djangoapps.grades.new.subsection_grade.SubsectionGrade.create_model',
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lambda self: self.subsection_grade_factory.create(self.sequence)
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),
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(
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'lms.djangoapps.grades.new.subsection_grade.SubsectionGrade.bulk_create_models',
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lambda self: self.subsection_grade_factory.bulk_create_unsaved()
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),
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)
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@ddt.unpack
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def test_fallback_handling(self, underlying_method, method_to_test):
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"""
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Tests that the persistent grades fallback handler functions as expected.
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"""
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with patch('lms.djangoapps.grades.new.subsection_grade.log') as log_mock:
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with patch(underlying_method) as underlying:
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underlying.side_effect = DatabaseError("I'm afraid I can't do that")
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method_to_test(self)
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# By making it this far, we implicitly assert
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# "the factory method swallowed the exception correctly"
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self.assertTrue(
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log_mock.warning.call_args_list[0].startswith("Persistent Grades: Persistence Error, falling back.")
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)
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@patch.dict(settings.FEATURES, {'PERSISTENT_GRADES_ENABLED_FOR_ALL_TESTS': False})
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@ddt.data(
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(True, True),
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(True, False),
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(False, True),
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(False, False),
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)
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@ddt.unpack
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def test_subsection_grade_feature_gating(self, feature_flag, course_setting):
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# Grades are only saved if the feature flag and the advanced setting are
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# both set to True.
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with patch(
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'lms.djangoapps.grades.models.PersistentSubsectionGrade.bulk_read_grades'
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) as mock_read_saved_grade:
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with persistent_grades_feature_flags(
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global_flag=feature_flag,
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enabled_for_all_courses=False,
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course_id=self.course.id,
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enabled_for_course=course_setting
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):
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self.subsection_grade_factory.create(self.sequence)
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self.assertEqual(mock_read_saved_grade.called, feature_flag and course_setting)
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class SubsectionGradeTest(GradeTestBase):
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"""
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Tests SubsectionGrade functionality.
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"""
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def test_save_and_load(self):
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"""
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Test that grades are persisted to the database properly,
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and that loading saved grades returns the same data.
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"""
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# Create a grade that *isn't* saved to the database
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input_grade = SubsectionGrade(self.sequence, self.course)
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input_grade.init_from_structure(
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self.request.user,
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self.course_structure,
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self.subsection_grade_factory._submissions_scores,
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self.subsection_grade_factory._csm_scores,
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)
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self.assertEqual(PersistentSubsectionGrade.objects.count(), 0)
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# save to db, and verify object is in database
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input_grade.create_model(self.request.user)
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self.assertEqual(PersistentSubsectionGrade.objects.count(), 1)
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# load from db, and ensure output matches input
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loaded_grade = SubsectionGrade(self.sequence, self.course)
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saved_model = PersistentSubsectionGrade.read_grade(
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user_id=self.request.user.id,
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usage_key=self.sequence.location,
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)
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loaded_grade.init_from_model(
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self.request.user,
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saved_model,
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self.course_structure,
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self.subsection_grade_factory._submissions_scores,
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self.subsection_grade_factory._csm_scores,
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)
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self.assertEqual(input_grade.url_name, loaded_grade.url_name)
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self.assertEqual(input_grade.all_total, loaded_grade.all_total)
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|
|
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@ddt.ddt
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class TestMultipleProblemTypesSubsectionScores(SharedModuleStoreTestCase):
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"""
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Test grading of different problem types.
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"""
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SCORED_BLOCK_COUNT = 7
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ACTUAL_TOTAL_POSSIBLE = 16.0
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@classmethod
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def setUpClass(cls):
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super(TestMultipleProblemTypesSubsectionScores, cls).setUpClass()
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cls.load_scoreable_course()
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chapter1 = cls.course.get_children()[0]
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cls.seq1 = chapter1.get_children()[0]
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def setUp(self):
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super(TestMultipleProblemTypesSubsectionScores, self).setUp()
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password = u'test'
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self.student = UserFactory.create(is_staff=False, username=u'test_student', password=password)
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self.client.login(username=self.student.username, password=password)
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self.request = get_request_for_user(self.student)
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self.course_structure = get_course_blocks(self.student, self.course.location)
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@classmethod
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def load_scoreable_course(cls):
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"""
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This test course lives at `common/test/data/scoreable`.
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For details on the contents and structure of the file, see
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`common/test/data/scoreable/README`.
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"""
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course_items = import_course_from_xml(
|
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cls.store,
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'test_user',
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TEST_DATA_DIR,
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source_dirs=['scoreable'],
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static_content_store=None,
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target_id=cls.store.make_course_key('edX', 'scoreable', '3000'),
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raise_on_failure=True,
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create_if_not_present=True,
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)
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cls.course = course_items[0]
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|
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def test_score_submission_for_all_problems(self):
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subsection_factory = SubsectionGradeFactory(
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self.student,
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course_structure=self.course_structure,
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course=self.course,
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)
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score = subsection_factory.create(self.seq1)
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self.assertEqual(score.all_total.earned, 0.0)
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self.assertEqual(score.all_total.possible, self.ACTUAL_TOTAL_POSSIBLE)
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# Choose arbitrary, non-default values for earned and possible.
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earned_per_block = 3.0
|
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possible_per_block = 7.0
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with mock_get_submissions_score(earned_per_block, possible_per_block) as mock_score:
|
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# Configure one block to return no possible score, the rest to return 3.0 earned / 7.0 possible
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block_count = self.SCORED_BLOCK_COUNT - 1
|
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mock_score.side_effect = itertools.chain(
|
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[(earned_per_block, None, earned_per_block, None)],
|
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itertools.repeat(mock_score.return_value)
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)
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score = subsection_factory.update(self.seq1)
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self.assertEqual(score.all_total.earned, earned_per_block * block_count)
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self.assertEqual(score.all_total.possible, possible_per_block * block_count)
|
|
|
|
|
|
@ddt.ddt
|
|
class TestVariedMetadata(ProblemSubmissionTestMixin, ModuleStoreTestCase):
|
|
"""
|
|
Test that changing the metadata on a block has the desired effect on the
|
|
persisted score.
|
|
"""
|
|
default_problem_metadata = {
|
|
u'graded': True,
|
|
u'weight': 2.5,
|
|
u'due': datetime.datetime(2099, 3, 15, 12, 30, 0, tzinfo=pytz.utc),
|
|
}
|
|
|
|
def setUp(self):
|
|
super(TestVariedMetadata, self).setUp()
|
|
self.course = CourseFactory.create()
|
|
self.chapter = ItemFactory.create(
|
|
parent=self.course,
|
|
category="chapter",
|
|
display_name="Test Chapter"
|
|
)
|
|
self.sequence = ItemFactory.create(
|
|
parent=self.chapter,
|
|
category='sequential',
|
|
display_name="Test Sequential 1",
|
|
graded=True
|
|
)
|
|
self.vertical = ItemFactory.create(
|
|
parent=self.sequence,
|
|
category='vertical',
|
|
display_name='Test Vertical 1'
|
|
)
|
|
self.problem_xml = u'''
|
|
<problem url_name="capa-optionresponse">
|
|
<optionresponse>
|
|
<optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
|
|
<optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
|
|
</optionresponse>
|
|
</problem>
|
|
'''
|
|
self.request = get_request_for_user(UserFactory())
|
|
self.client.login(username=self.request.user.username, password="test")
|
|
CourseEnrollment.enroll(self.request.user, self.course.id)
|
|
course_structure = get_course_blocks(self.request.user, self.course.location)
|
|
self.subsection_factory = SubsectionGradeFactory(
|
|
self.request.user,
|
|
course_structure=course_structure,
|
|
course=self.course,
|
|
)
|
|
|
|
def _get_altered_metadata(self, alterations):
|
|
"""
|
|
Returns a copy of the default_problem_metadata dict updated with the
|
|
specified alterations.
|
|
"""
|
|
metadata = self.default_problem_metadata.copy()
|
|
metadata.update(alterations)
|
|
return metadata
|
|
|
|
def _add_problem_with_alterations(self, alterations):
|
|
"""
|
|
Add a problem to the course with the specified metadata alterations.
|
|
"""
|
|
|
|
metadata = self._get_altered_metadata(alterations)
|
|
ItemFactory.create(
|
|
parent=self.vertical,
|
|
category="problem",
|
|
display_name="problem",
|
|
data=self.problem_xml,
|
|
metadata=metadata,
|
|
)
|
|
|
|
def _get_score(self):
|
|
"""
|
|
Return the score of the test problem when one correct problem (out of
|
|
two) is submitted.
|
|
"""
|
|
|
|
self.submit_question_answer(u'problem', {u'2_1': u'Correct'})
|
|
return self.subsection_factory.create(self.sequence)
|
|
|
|
@ddt.data(
|
|
({}, 1.25, 2.5),
|
|
({u'weight': 27}, 13.5, 27),
|
|
({u'weight': 1.0}, 0.5, 1.0),
|
|
({u'weight': 0.0}, 0.0, 0.0),
|
|
({u'weight': None}, 1.0, 2.0),
|
|
)
|
|
@ddt.unpack
|
|
def test_weight_metadata_alterations(self, alterations, expected_earned, expected_possible):
|
|
self._add_problem_with_alterations(alterations)
|
|
score = self._get_score()
|
|
self.assertEqual(score.all_total.earned, expected_earned)
|
|
self.assertEqual(score.all_total.possible, expected_possible)
|
|
|
|
@ddt.data(
|
|
({u'graded': True}, 1.25, 2.5),
|
|
({u'graded': False}, 0.0, 0.0),
|
|
)
|
|
@ddt.unpack
|
|
def test_graded_metadata_alterations(self, alterations, expected_earned, expected_possible):
|
|
self._add_problem_with_alterations(alterations)
|
|
score = self._get_score()
|
|
self.assertEqual(score.graded_total.earned, expected_earned)
|
|
self.assertEqual(score.graded_total.possible, expected_possible)
|
|
|
|
|
|
class TestCourseGradeLogging(ProblemSubmissionTestMixin, SharedModuleStoreTestCase):
|
|
"""
|
|
Tests logging in the course grades module.
|
|
Uses a larger course structure than other
|
|
unit tests.
|
|
"""
|
|
def setUp(self):
|
|
super(TestCourseGradeLogging, self).setUp()
|
|
self.course = CourseFactory.create()
|
|
self.chapter = ItemFactory.create(
|
|
parent=self.course,
|
|
category="chapter",
|
|
display_name="Test Chapter"
|
|
)
|
|
self.sequence = ItemFactory.create(
|
|
parent=self.chapter,
|
|
category='sequential',
|
|
display_name="Test Sequential 1",
|
|
graded=True
|
|
)
|
|
self.sequence_2 = ItemFactory.create(
|
|
parent=self.chapter,
|
|
category='sequential',
|
|
display_name="Test Sequential 2",
|
|
graded=True
|
|
)
|
|
self.sequence_3 = ItemFactory.create(
|
|
parent=self.chapter,
|
|
category='sequential',
|
|
display_name="Test Sequential 3",
|
|
graded=False
|
|
)
|
|
self.vertical = ItemFactory.create(
|
|
parent=self.sequence,
|
|
category='vertical',
|
|
display_name='Test Vertical 1'
|
|
)
|
|
self.vertical_2 = ItemFactory.create(
|
|
parent=self.sequence_2,
|
|
category='vertical',
|
|
display_name='Test Vertical 2'
|
|
)
|
|
self.vertical_3 = ItemFactory.create(
|
|
parent=self.sequence_3,
|
|
category='vertical',
|
|
display_name='Test Vertical 3'
|
|
)
|
|
problem_xml = MultipleChoiceResponseXMLFactory().build_xml(
|
|
question_text='The correct answer is Choice 2',
|
|
choices=[False, False, True, False],
|
|
choice_names=['choice_0', 'choice_1', 'choice_2', 'choice_3']
|
|
)
|
|
self.problem = ItemFactory.create(
|
|
parent=self.vertical,
|
|
category="problem",
|
|
display_name="test_problem_1",
|
|
data=problem_xml
|
|
)
|
|
self.problem_2 = ItemFactory.create(
|
|
parent=self.vertical_2,
|
|
category="problem",
|
|
display_name="test_problem_2",
|
|
data=problem_xml
|
|
)
|
|
self.problem_3 = ItemFactory.create(
|
|
parent=self.vertical_3,
|
|
category="problem",
|
|
display_name="test_problem_3",
|
|
data=problem_xml
|
|
)
|
|
self.request = get_request_for_user(UserFactory())
|
|
self.client.login(username=self.request.user.username, password="test")
|
|
self.course_structure = get_course_blocks(self.request.user, self.course.location)
|
|
self.subsection_grade_factory = SubsectionGradeFactory(self.request.user, self.course, self.course_structure)
|
|
CourseEnrollment.enroll(self.request.user, self.course.id)
|
|
|
|
def _create_course_grade_and_check_logging(
|
|
self,
|
|
factory,
|
|
log_mock,
|
|
log_statement
|
|
):
|
|
"""
|
|
Creates a course grade and asserts that the associated logging
|
|
matches the expected totals passed in to the function.
|
|
"""
|
|
factory.create(self.course, read_only=False)
|
|
log_mock.assert_called_with(
|
|
u"Persistent Grades: CourseGrade.{0}, course: {1}, user: {2}".format(
|
|
log_statement,
|
|
unicode(self.course.id),
|
|
unicode(self.request.user.id),
|
|
)
|
|
)
|
|
|
|
def test_course_grade_logging(self):
|
|
grade_factory = CourseGradeFactory(self.request.user)
|
|
with persistent_grades_feature_flags(
|
|
global_flag=True,
|
|
enabled_for_all_courses=False,
|
|
course_id=self.course.id,
|
|
enabled_for_course=True
|
|
):
|
|
with patch('lms.djangoapps.grades.new.course_grade.log') as log_mock:
|
|
# the course grade has not been created, so we expect each grade to be created
|
|
log_statement = u''.join((
|
|
u"compute_and_update, read_only: {0}, subsections read/created: {1}/{2}, blocks ",
|
|
u"accessed: {3}, total graded subsections: {4}"
|
|
)).format(False, 0, 3, 3, 2)
|
|
self._create_course_grade_and_check_logging(
|
|
grade_factory,
|
|
log_mock.warning,
|
|
log_statement
|
|
)
|
|
log_mock.reset_mock()
|
|
|
|
# the course grade has been created, so we expect to read it from the db
|
|
log_statement = u"load_persisted_grade"
|
|
self._create_course_grade_and_check_logging(
|
|
grade_factory,
|
|
log_mock.info,
|
|
log_statement
|
|
)
|
|
log_mock.reset_mock()
|
|
|
|
# only problem submission, a subsection grade update triggers
|
|
# a course grade update
|
|
self.submit_question_answer(u'test_problem_1', {u'2_1': u'choice_choice_2'})
|
|
log_statement = u''.join((
|
|
u"compute_and_update, read_only: {0}, subsections read/created: {1}/{2}, blocks ",
|
|
u"accessed: {3}, total graded subsections: {4}"
|
|
)).format(False, 3, 0, 3, 2)
|
|
self._create_course_grade_and_check_logging(
|
|
grade_factory,
|
|
log_mock.warning,
|
|
log_statement
|
|
)
|