Fix column alignment issue when Teams is disabled

lms/djangoapps/instructor_task/tasks_helper/grades.py

@@ -134,7 +134,8 @@ class _CertificateBulkContext(object):
 
 class _TeamBulkContext(object):
     def __init__(self, context, users):
-        if context.teams_enabled:
+        self.enabled = context.teams_enabled
+        if self.enabled:
             self.teams_by_user = {
                 membership.user.id: membership.team.name
                 for membership in
@@ -326,7 +327,10 @@ class CourseGradeReport(object):
         """
         Returns a list of names of teams in which the given user belongs.
         """
-        return [bulk_teams.teams_by_user.get(user.id, '')]
+        team_names = []
+        if bulk_teams.enabled:
+            team_names = [bulk_teams.teams_by_user.get(user.id, '')]
+        return team_names
 
     def _user_verification_mode(self, user, context, bulk_enrollments):
         """

lms/djangoapps/instructor_task/tests/test_tasks_helper.py

@@ -96,10 +96,13 @@ class InstructorGradeReportTestCase(TestReportMixin, InstructorTaskCourseTestCas
             report_store = ReportStore.from_config(config_name='GRADES_DOWNLOAD')
             report_csv_filename = report_store.links_for(course_id)[0][0]
             report_path = report_store.path_to(course_id, report_csv_filename)
+            found_user = False
             with report_store.storage.open(report_path) as csv_file:
                 for row in unicodecsv.DictReader(csv_file):
-                    if row.get('username') == username:
+                    if row.get('Username') == username:
                         self.assertEqual(row[column_header], expected_cell_content)
+                        found_user = True
+            self.assertTrue(found_user)
 
 
 @ddt.ddt
@@ -301,7 +304,7 @@ class TestInstructorGradeReport(InstructorGradeReportTestCase):
             user_b.username,
             course.id,
             cohort_name_header,
-            u'Default Group',
+            u'',
         )
 
     @patch('lms.djangoapps.instructor_task.tasks_helper.runner._get_current_task')
@@ -1229,13 +1232,11 @@ class TestTeamStudentReport(TestReportMixin, InstructorTaskCourseTestCase):
         """ Run the upload_students_csv task and verify that the correct team was added to the CSV. """
         current_task = Mock()
         current_task.update_state = Mock()
-        task_input = {
-            'features': [
+        task_input = [
             'id', 'username', 'name', 'email', 'language', 'location',
             'year_of_birth', 'gender', 'level_of_education', 'mailing_address',
             'goals', 'team'
         ]
-        }
         with patch('lms.djangoapps.instructor_task.tasks_helper.runner._get_current_task') as mock_current_task:
             mock_current_task.return_value = current_task
             result = upload_students_csv(None, None, self.course.id, task_input, 'calculated')
@@ -1243,10 +1244,13 @@ class TestTeamStudentReport(TestReportMixin, InstructorTaskCourseTestCase):
             report_store = ReportStore.from_config(config_name='GRADES_DOWNLOAD')
             report_csv_filename = report_store.links_for(self.course.id)[0][0]
             report_path = report_store.path_to(self.course.id, report_csv_filename)
+            found_user = False
             with report_store.storage.open(report_path) as csv_file:
                 for row in unicodecsv.DictReader(csv_file):
                     if row.get('username') == username:
                         self.assertEqual(row['team'], expected_team)
+                        found_user = True
+            self.assertTrue(found_user)
 
     def test_team_column_no_teams(self):
         self._generate_and_verify_teams_column(self.student1.username, UNAVAILABLE)
@@ -1698,11 +1702,14 @@ class TestGradeReportEnrollmentAndCertificateInfo(TestReportMixin, InstructorTas
             report_store = ReportStore.from_config(config_name='GRADES_DOWNLOAD')
             report_csv_filename = report_store.links_for(self.course.id)[0][0]
             report_path = report_store.path_to(self.course.id, report_csv_filename)
+            found_user = False
             with report_store.storage.open(report_path) as csv_file:
                 for row in unicodecsv.DictReader(csv_file):
-                    if row.get('username') == username:
+                    if row.get('Username') == username:
                         csv_row_data = [row[column] for column in self.columns_to_check]
                         self.assertEqual(csv_row_data, expected_data)
+                        found_user = True
+            self.assertTrue(found_user)
 
     def _create_user_data(self,
                           user_enroll_mode,