Allow to disable self-choice seating

src/tests/base/test_orders.py

@@ -2098,7 +2098,12 @@ class OrderChangeManagerTests(TestCase):
             self.ocm.commit()
 
     @classscope(attr='o')
-    def test_add_with_seat_required(self):
+    def test_add_with_seat_not_required_if_no_choice(self):
+        self.event.settings.seating_choice = False
+        self.ocm.add_position(self.stalls, None, price=Decimal('13.00'))
+
+    @classscope(attr='o')
+    def test_add_with_seat_not_required(self):
         with self.assertRaises(OrderError):
             self.ocm.add_position(self.stalls, None, price=Decimal('13.00'))
 

src/tests/presale/test_cart.py

@@ -3685,6 +3685,25 @@ class CartSeatingTest(CartTestMixin, TestCase):
             objs = list(CartPosition.objects.filter(cart_id=self.session_key, event=self.event))
             self.assertEqual(len(objs), 0)
 
+    def test_add_seat_not_required_if_no_choice(self):
+        self.event.settings.seating_choice = False
+        self.client.post('/%s/%s/cart/add' % (self.orga.slug, self.event.slug), {
+            'item_%d' % self.ticket.id: '1',
+        }, follow=True)
+        with scopes_disabled():
+            objs = list(CartPosition.objects.filter(cart_id=self.session_key, event=self.event))
+            self.assertEqual(len(objs), 1)
+            assert objs[0].seat is None
+
+    def test_seat_not_allowed_if_no_choice(self):
+        self.event.settings.seating_choice = False
+        self.client.post('/%s/%s/cart/add' % (self.orga.slug, self.event.slug), {
+            'seat_%d' % self.ticket.id: self.seat_a2.seat_guid,
+        }, follow=True)
+        with scopes_disabled():
+            objs = list(CartPosition.objects.filter(cart_id=self.session_key, event=self.event))
+            self.assertEqual(len(objs), 0)
+
     def test_add_with_seat_with_variation(self):
         with scopes_disabled():
             v1 = self.ticket.variations.create(value='Regular', active=True)

src/tests/presale/test_checkout.py

@@ -3244,6 +3244,13 @@ class CheckoutSeatingTest(BaseCheckoutTestCase, TestCase):
             _perform_order(self.event, 'manual', [self.cp1.pk], 'admin@example.org', 'en', None, {}, 'web')
         assert not CartPosition.objects.filter(pk=self.cp1.pk).exists()
 
+    @scopes_disabled()
+    def test_seat_not_required_if_no_choice(self):
+        self.cp1.seat = None
+        self.cp1.save()
+        self.event.settings.seating_choice = False
+        _perform_order(self.event, 'manual', [self.cp1.pk], 'admin@example.org', 'en', None, {}, 'web')
+
     @scopes_disabled()
     def test_seat_not_allowed(self):
         self.cp1.item = self.workshop1