diff --git a/membershipworks/tests.py b/membershipworks/tests.py
index a39b155..24d764d 100644
--- a/membershipworks/tests.py
+++ b/membershipworks/tests.py
@@ -1 +1,66 @@
-# Create your tests here.
+from datetime import datetime
+
+from django.db.models.functions import TruncYear
+from django.test import TestCase
+from django.utils import timezone
+
+from membershipworks.models import (
+    Event,
+    EventCategory,
+    EventExt,
+    EventInstructor,
+    EventTicketType,
+    Flag,
+)
+
+
+class EventFinancials(TestCase):
+    def setUp(self) -> None:
+        members_folder = Flag.objects.create(
+            id="members_folder_flag", name="Members", type="folder"
+        )
+        instructor = EventInstructor.objects.create(name="instructor1")
+        category = EventCategory.objects.create(id=1, title="cat1")
+        EventExt.objects.create(
+            eid="event1",
+            url="",
+            title="Test Event 1",
+            instructor=instructor,
+            materials_fee=10,
+            materials_fee_included_in_price=True,
+            instructor_percentage=0.5,
+            start=datetime(2024, 1, 1, 18, 0, tzinfo=timezone.get_default_timezone()),
+            end=datetime(2024, 1, 1, 21, 0, tzinfo=timezone.get_default_timezone()),
+            count=10,
+            category=category,
+            calendar=Event.EventCalendar.PURPLE,
+            details={
+                "tkt": [
+                    {
+                        "id": 1,
+                        "lbl": "tkt1",
+                        "amt": 123.4,
+                        "cnt": 1,
+                        "dsp": [members_folder.id],
+                    }
+                ],
+                "usr": [{"sum": 123.4}],
+            },
+        )
+
+    def test_ticket_type_annotations(self):
+        # TODO: test for correctness
+        list(EventTicketType.objects.all())
+
+    def test_with_financials(self):
+        # TODO: test for correctness
+        list(EventExt.objects.with_financials().all())
+
+    def test_with_financials_summary(self):
+        # TODO: test for correctness
+        list(
+            EventExt.objects.with_financials()
+            .values(year=TruncYear("start"))
+            .summarize()
+            .order_by("year")
+        )