Fixed #36149 -- Allowed subquery values against tuple exact and in lookups.

Non-tuple exact and in lookups have specialized logic for subqueries that can
be adapted to properly assign select mask if unspecified and ensure the number
of involved members are matching on both side of the operator.

1 files changed, 10 insertions, 8 deletions

diff --git a/tests/foreign_object/test_tuple_lookups.py b/tests/foreign_object/test_tuple_lookups.py
index 42717c4f11..008f118994 100644
--- a/tests/foreign_object/test_tuple_lookups.py
+++ b/tests/foreign_object/test_tuple_lookups.py
@@ -63,9 +63,11 @@ class TupleLookupsTests(TestCase):
                 )
 
     def test_exact_subquery(self):
-        with self.assertRaisesMessage(
-            ValueError, "'exact' doesn't support multi-column subqueries."
-        ):
+        msg = (
+            "The QuerySet value for the exact lookup must have 2 selected "
+            "fields (received 1)"
+        )
+        with self.assertRaisesMessage(ValueError, msg):
             subquery = Customer.objects.filter(id=self.customer_1.id)[:1]
             self.assertSequenceEqual(
                 Contact.objects.filter(customer=subquery).order_by("id"), ()
@@ -140,11 +142,11 @@ class TupleLookupsTests(TestCase):
     def test_tuple_in_subquery_must_have_2_fields(self):
         lhs = (F("customer_code"), F("company_code"))
         rhs = Customer.objects.values_list("customer_id").query
-        with self.assertRaisesMessage(
-            ValueError,
-            "'in' subquery lookup of ('customer_code', 'company_code') "
-            "must have 2 fields (received 1)",
-        ):
+        msg = (
+            "The QuerySet value for the 'in' lookup must have 2 selected "
+            "fields (received 1)"
+        )
+        with self.assertRaisesMessage(ValueError, msg):
             TupleIn(lhs, rhs)
 
     def test_tuple_in_subquery(self):