test(backend): Add test to check functions of contributions stats computing

backend/stats_app/tests/test_nb_contributions.py

+from datetime import timedelta
+
+from django.test import TestCase
+
+from backend_app.models.exchangeFeedback import ExchangeFeedback
+from backend_app.models.exchange import Exchange
+from backend_app.tests.utils import get_dummy_university
+from stats_app.compute_stats import update_daily_exchange_contributions_info
+from stats_app.models import DailyExchangeContributionsInfo
+from stats_app.utils import get_today_as_datetime, get_contributions_profiles
+
+
+class StatsContributionsTest(TestCase):
+    @classmethod
+    def setUpTestData(cls):
+        today = get_today_as_datetime()
+        yesterday = today - timedelta(days=1)
+
+        cls.univ = get_dummy_university()
+        utc_partner_id = cls.univ.corresponding_utc_partners.all()[0].utc_id
+
+        for i in range(2):
+            exchange = Exchange.objects.update_or_create(
+                pk=i,
+                defaults=dict(
+                    utc_id=i,
+                    utc_partner_id=utc_partner_id,
+                    year=2019,
+                    semester="A",
+                    student_major_and_semester="IM4",
+                    student_minor="IDI",
+                    duration=2,
+                    double_degree=False,
+                    master_obtained=False,
+                    utc_allow_courses=True,
+                    utc_allow_login=True,
+                    university=cls.univ,
+                ),
+            )[0]
+            ExchangeFeedback.objects.update_or_create(
+                exchange=exchange,
+                defaults=dict(
+                    updated_on=yesterday, untouched=False, university=cls.univ
+                ),
+            )
+
+    def test_get_contributions_profiles(self):
+        daily_contributions_profiles = get_contributions_profiles()
+        self.assertEqual(len(daily_contributions_profiles), 2)
+        for p in daily_contributions_profiles:
+            self.assertEqual(p.major, "IM")
+            self.assertEqual(p.minor, "IDI")
+            self.assertEqual(p.exchange_semester, "A2019")
+            self.assertEqual(p.university_pk, self.univ.pk)
+
+    def test_update_daily_exchange_contributions_info(self):
+        today = get_today_as_datetime()
+        yesterday = today - timedelta(days=1)
+        update_daily_exchange_contributions_info()
+
+        contributions = DailyExchangeContributionsInfo.objects.filter(date=yesterday)
+
+        self.assertEqual(len(contributions), 1)
+        contribution: DailyExchangeContributionsInfo = contributions[0]
+        self.assertEqual(contribution.university.pk, self.univ.pk)
+        self.assertEqual(contribution.major, "IM")
+        self.assertEqual(contribution.minor, "IDI")
+        self.assertEqual(contribution.exchange_semester, "A2019")
+        self.assertEqual(contribution.nb_contributions, 2)