Пример #1
0
    def post(self, request):
        if 'duplicate_source_locator' in request.data:
            return JsonResponse({'error': 'Duplicate key found'})
        else:
            parent_locator = request.data['parent_locator']
            usage_key = usage_key_with_run(parent_locator)
            category = request.data['category']
            if isinstance(usage_key, LibraryUsageLocator):
                # Only these categories are supported at this time.
                if category not in ['html', 'problem', 'video']:
                    return HttpResponseBadRequest(
                        "Category '%s' not supported for Libraries" % category,
                        content_type='text/plain')

            created_block = create_xblock(
                parent_locator=parent_locator,
                user=request.user,
                category=category,
                display_name=request.data.get('display_name'),
                boilerplate=request.data.get('boilerplate'),
            )

            if 'graderType' in request.data:
                CourseGradingModel.update_section_grader_type(
                    modulestore().get_item(created_block.location),
                    request.data['graderType'], request.user)
            return JsonResponse({
                'locator':
                str(created_block.location),
                'courseKey':
                str(created_block.location.course_key)
            })
Пример #2
0
def remove_entrance_exam_graders(course_key, user):
    """
    Removes existing entrance exam graders attached to the specified course
    Typically used when adding/removing an entrance exam.
    """
    grading_model = CourseGradingModel.fetch(course_key)
    graders = grading_model.graders
    for i, grader in enumerate(graders):
        if grader['type'] == GRADER_TYPES['ENTRANCE_EXAM']:
            CourseGradingModel.delete_grader(course_key, i, user)
    def test_contentstore_views_entrance_exam_post_new_sequential_confirm_grader(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)

        # Add a new child sequential to the exam module
        # Confirm that the grader type is 'Entrance Exam'
        chapter_locator_string = json.loads(resp.content.decode('utf-8')).get('locator')
        # chapter_locator = UsageKey.from_string(chapter_locator_string)
        seq_data = {
            'category': "sequential",
            'display_name': "Entrance Exam Subsection",
            'parent_locator': chapter_locator_string,
        }
        resp = self.client.ajax_post(reverse_url('xblock_handler'), seq_data)
        seq_locator_string = json.loads(resp.content.decode('utf-8')).get('locator')
        seq_locator = UsageKey.from_string(seq_locator_string)
        section_grader_type = CourseGradingModel.get_section_grader_type(seq_locator)
        self.assertEqual(GRADER_TYPES['ENTRANCE_EXAM'], section_grader_type['graderType'])
Пример #4
0
    def test_contentstore_views_entrance_exam_delete(self):
        """
        Unit Test: test_contentstore_views_entrance_exam_delete
        """
        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)
        resp = self.client.delete(self.exam_url)
        self.assertEqual(resp.status_code, 204)
        resp = self.client.get(self.exam_url)
        self.assertEqual(resp.status_code, 404)

        user = User.objects.create(
            username='******',
            email='*****@*****.**',
            is_active=True,
        )
        user.set_password('test')
        user.save()
        milestones = milestones_helpers.get_course_milestones(
            six.text_type(self.course_key))
        self.assertEqual(len(milestones), 1)
        milestone_key = '{}.{}'.format(milestones[0]['namespace'],
                                       milestones[0]['name'])
        paths = milestones_helpers.get_course_milestones_fulfillment_paths(
            six.text_type(self.course_key),
            milestones_helpers.serialize_user(user))

        # What we have now is a course milestone requirement and no valid fulfillment
        # paths for the specified user.  The LMS is going to have to ignore this situation,
        # because we can't confidently prevent it from occuring at some point in the future.
        # milestone_key_1 =
        self.assertEqual(len(paths[milestone_key]), 0)

        # Re-adding an entrance exam to the course should fix the missing link
        # It wipes out any old entrance exam artifacts and inserts a new exam course chapter/module
        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)

        # Confirm that we have only one Entrance Exam grader after re-adding the exam (validates SOL-475)
        graders = CourseGradingModel.fetch(self.course_key).graders
        count = 0
        for grader in graders:
            if grader['type'] == GRADER_TYPES['ENTRANCE_EXAM']:
                count += 1
        self.assertEqual(count, 1)
Пример #5
0
    def val_grade(self):
        """
        Проверка оценок:
        1)совпадение указанного и имеющегося количества заданий в каждой проверяемой категории,
        2)проверка равенства 100 суммы весов категории
        3)Отсутствие в курсе заданий с типом, не указанным в настройках
        """
        report = []
        course_details = CourseGradingModel.fetch(self.course_key)
        graders = course_details.graders
        grade_strs = []
        grade_attributes = ["type", "min_count", "drop_count", "weight"]
        grade_types = []
        grade_nums = []
        grade_weights = []

        # Вытаскиваем типы и количество заданий, прописанных в настройках
        for grd in graders:
            grade_strs.append([unicode(grd[attr]) for attr in grade_attributes])
            grade_types.append(unicode(grd["type"]))
            grade_nums.append(unicode(grd["min_count"]))
            try:
                grade_weights.append(float(grd["weight"]))
            except ValueError:
                report.append(_("Error occured during weight summation"))

        head = [_("Grade name"), _("Grade count"), _("Grade kicked"), _("Grade weight")]

        # Проверка суммы весов
        if sum(grade_weights) != 100:
            report.append(_("Tasks weight sum({}) is not equal to 100").format(sum(grade_weights)))

        # Проверка совпадения настроек заданий с материалом курса
        grade_items = [i for i in self.items if i.format is not None]
        for num, key in enumerate(grade_types):
            cur_items = [i for i in grade_items if unicode(i.format) == key]
            if len(cur_items) != int(grade_nums[num]):
                r = _("Task type '{name}': supposed to be {n1}, found in course {n2}"). \
                    format(name=key, n1=grade_nums[num], n2=len(cur_items))
                report.append(r)
        # Проверка отсутствия в материале курсе заданий с типом не указанным в настройках
        for item in grade_items:
            if item.format not in grade_types:
                report.append(_("Task of type '{}' in course, no such task type in grading settings"))

        results = Report(name=self.scenarios_names["grade"],
                         head=head,
                         body=grade_strs,
                         warnings=report,
                         )
        return results
Пример #6
0
def create_xblock(parent_locator, user, category, display_name, boilerplate=None, is_entrance_exam=False):
    """
    Performs the actual grunt work of creating items/xblocks -- knows nothing about requests, views, etc.
    """
    store = modulestore()
    usage_key = usage_key_with_run(parent_locator)
    with store.bulk_operations(usage_key.course_key):
        parent = store.get_item(usage_key)
        dest_usage_key = usage_key.replace(category=category, name=uuid4().hex)

        # get the metadata, display_name, and definition from the caller
        metadata = {}
        data = None
        template_id = boilerplate
        if template_id:
            clz = parent.runtime.load_block_type(category)
            if clz is not None:
                template = clz.get_template(template_id)
                if template is not None:
                    metadata = template.get('metadata', {})
                    data = template.get('data')

        if display_name is not None:
            metadata['display_name'] = display_name

        # We should use the 'fields' kwarg for newer module settings/values (vs. metadata or data)
        fields = {}

        # Entrance Exams: Chapter module positioning
        child_position = None
        if ENTRANCE_EXAMS.is_enabled():
            if category == 'chapter' and is_entrance_exam:
                fields['is_entrance_exam'] = is_entrance_exam
                fields['in_entrance_exam'] = True  # Inherited metadata, all children will have it
                child_position = 0

        # TODO need to fix components that are sending definition_data as strings, instead of as dicts
        # For now, migrate them into dicts here.
        if isinstance(data, str):
            data = {'data': data}

        created_block = store.create_child(
            user.id,
            usage_key,
            dest_usage_key.block_type,
            block_id=dest_usage_key.block_id,
            fields=fields,
            definition_data=data,
            metadata=metadata,
            runtime=parent.runtime,
            position=child_position,
        )

        # Entrance Exams: Grader assignment
        if ENTRANCE_EXAMS.is_enabled():
            course_key = usage_key.course_key
            course = store.get_course(course_key)
            if hasattr(course, 'entrance_exam_enabled') and course.entrance_exam_enabled:
                if category == 'sequential' and parent_locator == course.entrance_exam_id:
                    # Clean up any pre-existing entrance exam graders
                    remove_entrance_exam_graders(course_key, user)
                    grader = {
                        "type": GRADER_TYPES['ENTRANCE_EXAM'],
                        "min_count": 0,
                        "drop_count": 0,
                        "short_label": "Entrance",
                        "weight": 0
                    }
                    grading_model = CourseGradingModel.update_grader_from_json(
                        course.id,
                        grader,
                        user
                    )
                    CourseGradingModel.update_section_grader_type(
                        created_block,
                        grading_model['type'],
                        user
                    )

        # VS[compat] cdodge: This is a hack because static_tabs also have references from the course module, so
        # if we add one then we need to also add it to the policy information (i.e. metadata)
        # we should remove this once we can break this reference from the course to static tabs
        if category == 'static_tab':
            display_name = display_name or _("Empty")  # Prevent name being None
            course = store.get_course(dest_usage_key.course_key)
            course.tabs.append(
                StaticTab(
                    name=display_name,
                    url_slug=dest_usage_key.block_id,
                )
            )
            store.update_item(course, user.id)

        return created_block