Added an export endpoint that produces a CSV file

core/tests/test_export.py

+from rest_framework import status
+from django.test import TestCase, Client
+
+from util.factories import make_test_data
+
+
+class ExportCSVTest(TestCase):
+
+    @classmethod
+    def setUpTestData(cls):
+        cls.data = make_test_data(data_dict={
+            'submission_types': [
+                {
+                    'name': '01. Sort',
+                    'full_score': 35,
+                    'description': 'Very complicated',
+                    'solution': 'Trivial!'
+                },
+                {
+                    'name': '02. Shuffle',
+                    'full_score': 35,
+                    'description': 'Very complicated',
+                    'solution': 'Trivial!'
+                }
+            ],
+            'students': [
+                {'username': 'student01'},
+                {'username': 'student02'}
+            ],
+            'reviewers': [
+                {'username': 'reviewer'}
+            ],
+            'submissions': [
+                {
+                    'text': 'function blabl\n'
+                            '   on multi lines\n'
+                            '       for blabla in bla:\n'
+                            '           lorem ipsum und so\n',
+                    'type': '01. Sort',
+                    'user': 'student01',
+                    'feedback': {
+                        'score': 5,
+                        'is_final': True,
+                        'feedback_lines': {
+                            '1': [{
+                                'text': 'This is very bad!',
+                                'of_tutor': 'reviewer'
+                            }],
+                        }
+
+                    }
+                },
+                {
+                    'text': 'not much',
+                    'type': '02. Shuffle',
+                    'user': 'student01'
+                },
+                {
+                    'text': 'function blabl\n'
+                            '       asasxasx\n'
+                            '           lorem ipsum und so\n',
+                    'type': '01. Sort',
+                    'user': 'student02'
+                },
+                {
+                    'text': 'not much to see here',
+                    'type': '02. Shuffle',
+                    'user': 'student02'
+                }
+            ]}
+        )
+
+    def setUp(self):
+        client = Client()
+        client.force_login(user=self.data['reviewers'][0])
+
+        self.response = client.get('/export/csv/')
+
+    def test_can_access(self):
+        self.assertEqual(status.HTTP_200_OK, self.response.status_code)
+
+    def test_data_is_correct(self):
+        head, student1, student2, _ = self.response.content.split(b'\r\n')
+        self.assertIn(b'Matrikel,Username,Name,Sum,01. Sort,02. Shuffle', head)
+        self.assertIn(b'student01,,5,5,0', student1)
+        self.assertIn(b'student02,,0,0,0', student2)