From 5d27dc6454f9d3305332a5786fb6df9a3fece2df Mon Sep 17 00:00:00 2001
From: Ryan Nowakowski <tubaman@fattuba.com>
Date: Wed, 3 Dec 2025 19:09:37 -0600
Subject: [PATCH 1/2] Fix generate input type: add "pass" for an empty input
 type class def

---
 ariadne_codegen/client_generators/input_types.py     |  4 ++++
 .../input_types_generator/test_parsing_inputs.py     | 12 ++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/ariadne_codegen/client_generators/input_types.py b/ariadne_codegen/client_generators/input_types.py
index 3be20b80..5a5ce4f8 100644
--- a/ariadne_codegen/client_generators/input_types.py
+++ b/ariadne_codegen/client_generators/input_types.py
@@ -19,6 +19,7 @@
     generate_method_call,
     generate_module,
     generate_name,
+    generate_pass,
     generate_pydantic_field,
     model_has_forward_refs,
 )
@@ -199,6 +200,9 @@ def _parse_input_definition(
                 class_def.body.append(docstring)
             self._save_dependencies(root_type=definition.name, field_type=field_type)
 
+        if not class_def.body:
+            class_def.body.append(generate_pass())
+
         if self.plugin_manager:
             class_def = self.plugin_manager.generate_input_class(
                 class_def, input_type=definition
diff --git a/tests/client_generators/input_types_generator/test_parsing_inputs.py b/tests/client_generators/input_types_generator/test_parsing_inputs.py
index b5349a99..d3f3bb31 100644
--- a/tests/client_generators/input_types_generator/test_parsing_inputs.py
+++ b/tests/client_generators/input_types_generator/test_parsing_inputs.py
@@ -26,6 +26,8 @@
             input CustomInput2 {
                 field: Int!
             }
+
+            input CustomInput3
             """,
             [
                 ast.ClassDef(
@@ -81,6 +83,16 @@
                     ],
                     type_params=[],
                 ),
+                ast.ClassDef(
+                    name="CustomInput3",
+                    bases=[ast.Name(id=BASE_MODEL_CLASS_NAME)],
+                    keywords=[],
+                    decorator_list=[],
+                    body=[
+                        ast.Pass()
+                    ],
+                    type_params=[],
+                ),
             ],
         )
     ],

From 07915cc6e0fe9bc5f1b157de203f6161e85ed939 Mon Sep 17 00:00:00 2001
From: Damian Czajkowski <d0.czajkowski@gmail.com>
Date: Thu, 12 Mar 2026 13:08:10 +0100
Subject: [PATCH 2/2] hatch format

---
 .../input_types_generator/test_parsing_inputs.py              | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/tests/client_generators/input_types_generator/test_parsing_inputs.py b/tests/client_generators/input_types_generator/test_parsing_inputs.py
index d3f3bb31..7dedb316 100644
--- a/tests/client_generators/input_types_generator/test_parsing_inputs.py
+++ b/tests/client_generators/input_types_generator/test_parsing_inputs.py
@@ -88,9 +88,7 @@
                     bases=[ast.Name(id=BASE_MODEL_CLASS_NAME)],
                     keywords=[],
                     decorator_list=[],
-                    body=[
-                        ast.Pass()
-                    ],
+                    body=[ast.Pass()],
                     type_params=[],
                 ),
             ],