Added tests for NumberOfCreatedResignationsInSameMonthView

tapir/statistics/tests/fancy_graph/test_number_of_created_resignations_view.py

@@ -0,0 +1,40 @@
+import datetime
+
+from django.utils import timezone
+
+from tapir.coop.tests.factories import MembershipResignationFactory
+from tapir.statistics.views.fancy_graph.number_of_created_resignations_view import (
+    NumberOfCreatedResignationsInSameMonthView,
+)
+from tapir.utils.tests_utils import (
+    TapirFactoryTestBase,
+    mock_timezone_now,
+)
+
+
+class TestNumberOfCreatedResignationsInSameMonthView(TapirFactoryTestBase):
+    NOW = datetime.datetime(year=2023, month=4, day=1, hour=12)
+    REFERENCE_TIME = timezone.make_aware(
+        datetime.datetime(year=2022, month=6, day=15, hour=12)
+    )
+
+    def setUp(self) -> None:
+        super().setUp()
+        self.NOW = mock_timezone_now(self, self.NOW)
+
+    def test_calculateDatapoint_default_countsOnlyRelevantResignations(self):
+        MembershipResignationFactory.create(
+            cancellation_date=datetime.date(year=2022, month=5, day=1)
+        )
+        MembershipResignationFactory.create(
+            cancellation_date=datetime.date(year=2022, month=6, day=30)
+        )
+        MembershipResignationFactory.create(
+            cancellation_date=datetime.date(year=2023, month=6, day=30)
+        )
+
+        result = NumberOfCreatedResignationsInSameMonthView().calculate_datapoint(
+            self.REFERENCE_TIME
+        )
+
+        self.assertEqual(1, result)