Made UniqueConstraint raise TypeError for type violations.

django/db/models/constraints.py

@@ -217,15 +217,15 @@ class UniqueConstraint(BaseConstraint):
                 "Use django.contrib.postgres.indexes.OpClass() instead."
             )
         if not isinstance(deferrable, (NoneType, Deferrable)):
-            raise ValueError(
+            raise TypeError(
                 "UniqueConstraint.deferrable must be a Deferrable instance."
             )
         if not isinstance(include, (NoneType, list, tuple)):
-            raise ValueError("UniqueConstraint.include must be a list or tuple.")
+            raise TypeError("UniqueConstraint.include must be a list or tuple.")
         if not isinstance(opclasses, (list, tuple)):
-            raise ValueError("UniqueConstraint.opclasses must be a list or tuple.")
+            raise TypeError("UniqueConstraint.opclasses must be a list or tuple.")
         if not isinstance(nulls_distinct, (NoneType, bool)):
-            raise ValueError("UniqueConstraint.nulls_distinct must be a bool.")
+            raise TypeError("UniqueConstraint.nulls_distinct must be a bool.")
         if opclasses and len(fields) != len(opclasses):
             raise ValueError(
                 "UniqueConstraint.fields and UniqueConstraint.opclasses must "

tests/constraints/tests.py

@@ -1046,7 +1046,7 @@ class UniqueConstraintTests(TestCase):
 
     def test_invalid_defer_argument(self):
         message = "UniqueConstraint.deferrable must be a Deferrable instance."
-        with self.assertRaisesMessage(ValueError, message):
+        with self.assertRaisesMessage(TypeError, message):
             models.UniqueConstraint(
                 fields=["name"],
                 name="name_invalid",
@@ -1064,7 +1064,7 @@ class UniqueConstraintTests(TestCase):
 
     def test_invalid_include_argument(self):
         msg = "UniqueConstraint.include must be a list or tuple."
-        with self.assertRaisesMessage(ValueError, msg):
+        with self.assertRaisesMessage(TypeError, msg):
             models.UniqueConstraint(
                 name="uniq_include",
                 fields=["field"],
@@ -1073,7 +1073,7 @@ class UniqueConstraintTests(TestCase):
 
     def test_invalid_opclasses_argument(self):
         msg = "UniqueConstraint.opclasses must be a list or tuple."
-        with self.assertRaisesMessage(ValueError, msg):
+        with self.assertRaisesMessage(TypeError, msg):
             models.UniqueConstraint(
                 name="uniq_opclasses",
                 fields=["field"],
@@ -1082,7 +1082,7 @@ class UniqueConstraintTests(TestCase):
 
     def test_invalid_nulls_distinct_argument(self):
         msg = "UniqueConstraint.nulls_distinct must be a bool."
-        with self.assertRaisesMessage(ValueError, msg):
+        with self.assertRaisesMessage(TypeError, msg):
             models.UniqueConstraint(
                 name="uniq_opclasses", fields=["field"], nulls_distinct="NULLS DISTINCT"
             )