285 lines
13 KiB
Python
285 lines
13 KiB
Python
"""
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Test for LMS courseware background task queue management
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"""
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import logging
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import json
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from celery.states import SUCCESS, FAILURE, REVOKED
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from mock import Mock, patch
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from uuid import uuid4
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from django.utils.datastructures import MultiValueDict
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from django.test.testcases import TestCase
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from xmodule.modulestore.exceptions import ItemNotFoundError
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from courseware.tests.factories import UserFactory
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from instructor_task.tests.factories import InstructorTaskFactory
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from instructor_task.tasks_helper import PROGRESS
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from instructor_task.views import instructor_task_status
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from instructor_task.api import (get_running_instructor_tasks,
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submit_rescore_problem_for_all_students,
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submit_rescore_problem_for_student,
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submit_reset_problem_attempts_for_all_students,
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submit_delete_problem_state_for_all_students)
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from instructor_task.api_helper import (QUEUING,
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AlreadyRunningError,
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encode_problem_and_student_input,
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)
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log = logging.getLogger(__name__)
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TEST_COURSE_ID = 'edx/1.23x/test_course'
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TEST_FAILURE_MESSAGE = 'task failed horribly'
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class TaskSubmitTestCase(TestCase):
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"""
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Check that background tasks are properly queued and report status.
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"""
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def setUp(self):
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self.student = UserFactory.create(username="student", email="student@edx.org")
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self.instructor = UserFactory.create(username="instructor", email="instructor@edx.org")
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self.problem_url = TaskSubmitTestCase.problem_location("test_urlname")
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@staticmethod
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def problem_location(problem_url_name):
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"""
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Create an internal location for a test problem.
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"""
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return "i4x://{org}/{number}/problem/{problem_url_name}".format(org='edx',
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number='1.23x',
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problem_url_name=problem_url_name)
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def _create_entry(self, task_state=QUEUING, task_output=None, student=None):
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"""Creates a InstructorTask entry for testing."""
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task_id = str(uuid4())
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progress_json = json.dumps(task_output)
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task_input, task_key = encode_problem_and_student_input(self.problem_url, student)
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course_task = InstructorTaskFactory.create(course_id=TEST_COURSE_ID,
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requester=self.instructor,
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task_input=json.dumps(task_input),
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task_key=task_key,
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task_id=task_id,
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task_state=task_state,
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task_output=progress_json)
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return course_task
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def _create_failure_entry(self):
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"""Creates a InstructorTask entry representing a failed task."""
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# view task entry for task failure
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progress = {'message': TEST_FAILURE_MESSAGE,
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'exception': 'RandomCauseError',
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}
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return self._create_entry(task_state=FAILURE, task_output=progress)
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def _create_success_entry(self, student=None):
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"""Creates a InstructorTask entry representing a successful task."""
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return self._create_progress_entry(student, task_state=SUCCESS)
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def _create_progress_entry(self, student=None, task_state=PROGRESS):
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"""Creates a InstructorTask entry representing a task in progress."""
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progress = {'attempted': 3,
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'updated': 2,
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'total': 10,
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'action_name': 'rescored',
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'message': 'some random string that should summarize the other info',
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}
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return self._create_entry(task_state=task_state, task_output=progress, student=student)
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def test_get_running_instructor_tasks(self):
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# when fetching running tasks, we get all running tasks, and only running tasks
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for _ in range(1, 5):
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self._create_failure_entry()
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self._create_success_entry()
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progress_task_ids = [self._create_progress_entry().task_id for _ in range(1, 5)]
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task_ids = [course_task.task_id for course_task in get_running_instructor_tasks(TEST_COURSE_ID)]
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self.assertEquals(set(task_ids), set(progress_task_ids))
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def _get_course_task_status(self, task_id):
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request = Mock()
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request.REQUEST = {'task_id': task_id}
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return instructor_task_status(request)
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def test_course_task_status(self):
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course_task = self._create_failure_entry()
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task_id = course_task.task_id
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request = Mock()
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request.REQUEST = {'task_id': task_id}
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response = instructor_task_status(request)
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output = json.loads(response.content)
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self.assertEquals(output['task_id'], task_id)
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def test_course_task_status_list(self):
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# Fetch status for existing tasks by arg list, as if called from ajax.
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# Note that ajax does something funny with the marshalling of
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# list data, so the key value has "[]" appended to it.
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task_ids = [(self._create_failure_entry()).task_id for _ in range(1, 5)]
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request = Mock()
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request.REQUEST = MultiValueDict({'task_ids[]': task_ids})
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response = instructor_task_status(request)
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output = json.loads(response.content)
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self.assertEquals(len(output), len(task_ids))
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for task_id in task_ids:
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self.assertEquals(output[task_id]['task_id'], task_id)
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def test_get_status_from_failure(self):
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course_task = self._create_failure_entry()
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task_id = course_task.task_id
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response = self._get_course_task_status(task_id)
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output = json.loads(response.content)
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self.assertEquals(output['task_id'], task_id)
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self.assertEquals(output['task_state'], FAILURE)
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self.assertFalse(output['in_progress'])
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self.assertEquals(output['message'], TEST_FAILURE_MESSAGE)
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def test_get_status_from_success(self):
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course_task = self._create_success_entry()
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task_id = course_task.task_id
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response = self._get_course_task_status(task_id)
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output = json.loads(response.content)
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self.assertEquals(output['task_id'], task_id)
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self.assertEquals(output['task_state'], SUCCESS)
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self.assertFalse(output['in_progress'])
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def test_update_progress_to_progress(self):
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# view task entry for task in progress
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course_task = self._create_progress_entry()
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task_id = course_task.task_id
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mock_result = Mock()
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mock_result.task_id = task_id
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mock_result.state = PROGRESS
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mock_result.result = {'attempted': 5,
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'updated': 4,
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'total': 10,
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'action_name': 'rescored'}
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with patch('celery.result.AsyncResult.__new__') as mock_result_ctor:
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mock_result_ctor.return_value = mock_result
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response = self._get_course_task_status(task_id)
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output = json.loads(response.content)
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self.assertEquals(output['task_id'], task_id)
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self.assertEquals(output['task_state'], PROGRESS)
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self.assertTrue(output['in_progress'])
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# self.assertEquals(output['message'], )
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def test_update_progress_to_failure(self):
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# view task entry for task in progress that later fails
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course_task = self._create_progress_entry()
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task_id = course_task.task_id
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mock_result = Mock()
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mock_result.task_id = task_id
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mock_result.state = FAILURE
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mock_result.result = NotImplementedError("This task later failed.")
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mock_result.traceback = "random traceback"
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with patch('celery.result.AsyncResult.__new__') as mock_result_ctor:
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mock_result_ctor.return_value = mock_result
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response = self._get_course_task_status(task_id)
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output = json.loads(response.content)
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self.assertEquals(output['task_id'], task_id)
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self.assertEquals(output['task_state'], FAILURE)
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self.assertFalse(output['in_progress'])
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self.assertEquals(output['message'], "This task later failed.")
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def test_update_progress_to_revoked(self):
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# view task entry for task in progress that later fails
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course_task = self._create_progress_entry()
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task_id = course_task.task_id
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mock_result = Mock()
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mock_result.task_id = task_id
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mock_result.state = REVOKED
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with patch('celery.result.AsyncResult.__new__') as mock_result_ctor:
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mock_result_ctor.return_value = mock_result
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response = self._get_course_task_status(task_id)
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output = json.loads(response.content)
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self.assertEquals(output['task_id'], task_id)
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self.assertEquals(output['task_state'], REVOKED)
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self.assertFalse(output['in_progress'])
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self.assertEquals(output['message'], "Task revoked before running")
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def _get_output_for_task_success(self, attempted, updated, total, student=None):
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"""returns the task_id and the result returned by course_task_status()."""
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# view task entry for task in progress
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course_task = self._create_progress_entry(student)
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task_id = course_task.task_id
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mock_result = Mock()
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mock_result.task_id = task_id
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mock_result.state = SUCCESS
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mock_result.result = {'attempted': attempted,
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'updated': updated,
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'total': total,
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'action_name': 'rescored'}
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with patch('celery.result.AsyncResult.__new__') as mock_result_ctor:
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mock_result_ctor.return_value = mock_result
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response = self._get_course_task_status(task_id)
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output = json.loads(response.content)
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return task_id, output
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def test_update_progress_to_success(self):
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task_id, output = self._get_output_for_task_success(10, 8, 10)
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self.assertEquals(output['task_id'], task_id)
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self.assertEquals(output['task_state'], SUCCESS)
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self.assertFalse(output['in_progress'])
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def test_success_messages(self):
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_, output = self._get_output_for_task_success(0, 0, 10)
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self.assertTrue("Unable to find any students with submissions to be rescored" in output['message'])
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self.assertFalse(output['succeeded'])
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_, output = self._get_output_for_task_success(10, 0, 10)
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self.assertTrue("Problem failed to be rescored for any of 10 students" in output['message'])
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self.assertFalse(output['succeeded'])
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_, output = self._get_output_for_task_success(10, 8, 10)
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self.assertTrue("Problem rescored for 8 of 10 students" in output['message'])
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self.assertFalse(output['succeeded'])
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_, output = self._get_output_for_task_success(10, 10, 10)
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self.assertTrue("Problem successfully rescored for 10 students" in output['message'])
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self.assertTrue(output['succeeded'])
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_, output = self._get_output_for_task_success(0, 0, 1, student=self.student)
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self.assertTrue("Unable to find submission to be rescored for student" in output['message'])
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self.assertFalse(output['succeeded'])
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_, output = self._get_output_for_task_success(1, 0, 1, student=self.student)
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self.assertTrue("Problem failed to be rescored for student" in output['message'])
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self.assertFalse(output['succeeded'])
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_, output = self._get_output_for_task_success(1, 1, 1, student=self.student)
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self.assertTrue("Problem successfully rescored for student" in output['message'])
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self.assertTrue(output['succeeded'])
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def test_submit_nonexistent_modules(self):
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# confirm that a rescore of a non-existent module returns an exception
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# (Note that it is easier to test a non-rescorable module in test_tasks,
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# where we are creating real modules.
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problem_url = self.problem_url
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course_id = "something else"
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request = None
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with self.assertRaises(ItemNotFoundError):
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submit_rescore_problem_for_student(request, course_id, problem_url, self.student)
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with self.assertRaises(ItemNotFoundError):
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submit_rescore_problem_for_all_students(request, course_id, problem_url)
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with self.assertRaises(ItemNotFoundError):
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submit_reset_problem_attempts_for_all_students(request, course_id, problem_url)
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with self.assertRaises(ItemNotFoundError):
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submit_delete_problem_state_for_all_students(request, course_id, problem_url)
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# def test_submit_when_running(self):
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# # get exception when trying to submit a task that is already running
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# course_task = self._create_progress_entry()
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# problem_url = json.loads(course_task.task_input).get('problem_url')
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# course_id = course_task.course_id
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# # requester doesn't have to be the same when determining if a task is already running
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# request = Mock()
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# request.user = self.instructor
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# with self.assertRaises(AlreadyRunningError):
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# # just skip making the argument check, so we don't have to fake it deeper down
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# with patch('instructor_task.api_helper.check_arguments_for_rescoring') as mock_check:
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# mock_check.return_value = None
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# submit_rescore_problem_for_all_students(request, course_id, problem_url)
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