Add Radeln ohne Alter ride-coordination demo (Django + HTMX + Leaflet)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

rides/tests/test_models.py

@@ -0,0 +1,53 @@
+from django.contrib.auth.models import User
+from django.test import TestCase
+from django.utils import timezone
+
+from rides.models import Fahrgast, Profile, Ride, RideStatus, Role
+
+
+class RideLifecycleTests(TestCase):
+    def setUp(self):
+        self.pilot = User.objects.create_user("pilot")
+        Profile.objects.create(user=self.pilot, role=Role.PILOT)
+        self.fahrgast = Fahrgast.objects.create(name="Frau M.")
+        self.ride = Ride.objects.create(
+            fahrgast=self.fahrgast,
+            scheduled_at=timezone.now(),
+            pickup_label="A",
+            pickup_lat=49.25,
+            pickup_lng=6.96,
+            dest_label="B",
+            dest_lat=49.23,
+            dest_lng=6.99,
+        )
+
+    def test_claim_sets_pilot_and_status(self):
+        self.ride.claim(self.pilot)
+        self.assertEqual(self.ride.status, RideStatus.CLAIMED)
+        self.assertEqual(self.ride.assigned_pilot, self.pilot)
+
+    def test_cannot_finish_unclaimed_ride(self):
+        with self.assertRaises(ValueError):
+            self.ride.mark_done()
+
+    def test_claim_then_done(self):
+        self.ride.claim(self.pilot)
+        self.ride.mark_done()
+        self.assertEqual(self.ride.status, RideStatus.DONE)
+
+    def test_cannot_claim_done_ride(self):
+        self.ride.claim(self.pilot)
+        self.ride.mark_done()
+        with self.assertRaises(ValueError):
+            self.ride.claim(self.pilot)
+
+    def test_cannot_cancel_done_ride(self):
+        self.ride.claim(self.pilot)
+        self.ride.mark_done()
+        with self.assertRaises(ValueError):
+            self.ride.cancel()
+
+    def test_open_for_pilots_excludes_claimed(self):
+        self.assertIn(self.ride, Ride.objects.open_for_pilots())
+        self.ride.claim(self.pilot)
+        self.assertNotIn(self.ride, Ride.objects.open_for_pilots())