✨ Allow using custom 422 validation error and use media type from response class in schema (#437)

* media_type of additional responses from the response_class * Use HTTPValidationError only if a custom one is not defined (Fixes: #429)
2026-03-31 21:21:56 -04:00 · 2019-08-31 00:46:05 +03:00
parent 44d63cd555
commit 19c53b21c1
4 changed files with 322 additions and 18 deletions
--- a/tests/test_additional_responses_default_validationerror.py
+++ b/tests/test_additional_responses_default_validationerror.py
@@ -0,0 +1,85 @@
+from fastapi import FastAPI
+from starlette.testclient import TestClient
+
+app = FastAPI()
+
+
+@app.get("/a/{id}")
+async def a(id):
+    pass  # pragma: no cover
+
+
+openapi_schema = {
+    "openapi": "3.0.2",
+    "info": {"title": "Fast API", "version": "0.1.0"},
+    "paths": {
+        "/a/{id}": {
+            "get": {
+                "responses": {
+                    "422": {
+                        "description": "Validation Error",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "$ref": "#/components/schemas/HTTPValidationError"
+                                }
+                            }
+                        },
+                    },
+                    "200": {
+                        "description": "Successful Response",
+                        "content": {"application/json": {"schema": {}}},
+                    },
+                },
+                "summary": "A",
+                "operationId": "a_a__id__get",
+                "parameters": [
+                    {
+                        "required": True,
+                        "schema": {"title": "Id"},
+                        "name": "id",
+                        "in": "path",
+                    }
+                ],
+            }
+        }
+    },
+    "components": {
+        "schemas": {
+            "ValidationError": {
+                "title": "ValidationError",
+                "required": ["loc", "msg", "type"],
+                "type": "object",
+                "properties": {
+                    "loc": {
+                        "title": "Location",
+                        "type": "array",
+                        "items": {"type": "string"},
+                    },
+                    "msg": {"title": "Message", "type": "string"},
+                    "type": {"title": "Error Type", "type": "string"},
+                },
+            },
+            "HTTPValidationError": {
+                "title": "HTTPValidationError",
+                "type": "object",
+                "properties": {
+                    "detail": {
+                        "title": "Detail",
+                        "type": "array",
+                        "items": {"$ref": "#/components/schemas/ValidationError"},
+                    }
+                },
+            },
+        }
+    },
+}
+
+
+client = TestClient(app)
+
+
+def test_openapi_schema():
+    response = client.get("/openapi.json")
+    assert response.status_code == 200
+    assert response.json() == openapi_schema