Add JSONField check constraints

Author: absci

mssql/base.py

@@ -106,6 +106,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
         'SmallAutoField': 'IDENTITY (1, 1)',
     }
     data_type_check_constraints = {
+        'JSONField': '(ISJSON ("%(column)s") = 1)',
         'PositiveIntegerField': '[%(column)s] >= 0',
         'PositiveSmallIntegerField': '[%(column)s] >= 0',
     }

testapp/settings.py

@@ -196,7 +196,6 @@
                   'model_fields.test_jsonfield.TestQuerying.test_key_quoted_string',
                   'model_fields.test_jsonfield.TestQuerying.test_lookups_with_key_transform',
                   'model_fields.test_jsonfield.TestQuerying.test_ordering_grouping_by_count',
-                  'model_fields.test_jsonfield.JSONFieldTests.test_db_check_constraints',
                   'model_fields.test_jsonfield.TestQuerying.test_isnull_key',
                   'model_fields.test_jsonfield.TestQuerying.test_none_key',
                   'model_fields.test_jsonfield.TestQuerying.test_none_key_and_exact_lookup',

tox.ini

@@ -8,6 +8,7 @@ envlist =
 [testenv]
 allowlist_externals =
     /bin/bash
+    /usr/bin/bash
     C:\Program Files\Git\bin\bash.EXE
 
 commands =