dummy: extend parameters description for testing (#43030)

eopayment/dummy.py

@@ -91,8 +91,11 @@ class Payment(PaymentCommon):
             {
                 'name': 'siret',
                 'caption': 'dummy siret parameter',
+                'validation': lambda x: x.isdigit(),
+                'validation_err_msg': 'must be a number',
                 'type': str,
-                'default': 'siret',
+                'default': '1234',
+                'required': True,
             },
             {
                 'name': 'consider_all_response_signed',
@@ -104,6 +107,22 @@ class Payment(PaymentCommon):
                 'type': bool,
                 'default': False,
             },
+            {
+                'name': 'number',
+                'caption': 'dummy integer input test',
+                'type': int,
+            },
+            {
+                'name': 'choice',
+                'caption': 'dummy choice input test',
+                'choices': ['a', 'b'],
+            },
+            {
+                'name': 'choices',
+                'caption': 'dummy choices input test',
+                'choices': ['a', 'b'],
+                'type': list,
+            },
             {
                 'name': 'direct_notification_url',
                 'caption': 'direct notification url (replaced by automatic_return_url)',