From 5b097c23aebf959a77191c6e9d609519ddd1567d Mon Sep 17 00:00:00 2001
From: Yurii Motov <yurii.motov.monte@gmail.com>
Date: Mon, 15 Dec 2025 11:20:16 +0100
Subject: [PATCH] Add test for `docs_src.body.tutorial004.py`

---
 .../test_body/test_tutorial004.py             | 189 ++++++++++++++++++
 1 file changed, 189 insertions(+)
 create mode 100644 tests/test_tutorial/test_body/test_tutorial004.py

diff --git a/tests/test_tutorial/test_body/test_tutorial004.py b/tests/test_tutorial/test_body/test_tutorial004.py
new file mode 100644
index 000000000..55a79c72e
--- /dev/null
+++ b/tests/test_tutorial/test_body/test_tutorial004.py
@@ -0,0 +1,189 @@
+import importlib
+
+import pytest
+from fastapi.testclient import TestClient
+
+from ...utils import needs_py310, needs_pydanticv2
+
+# Remove when deprecating Pydantic v1
+pytestmark = pytest.mark.filterwarnings(
+    "ignore:The `dict` method is deprecated; use `model_dump` instead.:DeprecationWarning"
+)
+
+skip_for_pydantic_v1 = needs_pydanticv2
+
+
+@pytest.fixture(
+    name="client",
+    params=[
+        "tutorial004",
+        pytest.param("tutorial004_py310", marks=needs_py310),
+    ],
+)
+def get_client(request: pytest.FixtureRequest):
+    mod = importlib.import_module(f"docs_src.body.{request.param}")
+
+    client = TestClient(mod.app)
+    return client
+
+
+def test_put_all(client: TestClient):
+    response = client.put(
+        "/items/123",
+        json={"name": "Foo", "price": 50.1, "description": "Some Foo", "tax": 0.3},
+        params={"q": "somequery"},
+    )
+    assert response.status_code == 200
+    assert response.json() == {
+        "item_id": 123,
+        "name": "Foo",
+        "price": 50.1,
+        "description": "Some Foo",
+        "tax": 0.3,
+        "q": "somequery",
+    }
+
+
+def test_put_only_required(client: TestClient):
+    response = client.put(
+        "/items/123",
+        json={"name": "Foo", "price": 50.1},
+    )
+    assert response.status_code == 200
+    assert response.json() == {
+        "item_id": 123,
+        "name": "Foo",
+        "price": 50.1,
+        "description": None,
+        "tax": None,
+    }
+
+
+def test_put_with_no_data(client: TestClient):
+    response = client.put("/items/123", json={})
+    assert response.status_code == 422
+    assert response.json() == {
+        "detail": [
+            {
+                "type": "missing",
+                "loc": ["body", "name"],
+                "msg": "Field required",
+                "input": {},
+            },
+            {
+                "type": "missing",
+                "loc": ["body", "price"],
+                "msg": "Field required",
+                "input": {},
+            },
+        ]
+    }
+
+
+def test_openapi_schema(client: TestClient):
+    response = client.get("/openapi.json")
+    assert response.status_code == 200, response.text
+    assert response.json() == {
+        "openapi": "3.1.0",
+        "info": {"title": "FastAPI", "version": "0.1.0"},
+        "paths": {
+            "/items/{item_id}": {
+                "put": {
+                    "parameters": [
+                        {
+                            "in": "path",
+                            "name": "item_id",
+                            "required": True,
+                            "schema": {
+                                "title": "Item Id",
+                                "type": "integer",
+                            },
+                        },
+                        {
+                            "required": False,
+                            "schema": {
+                                "anyOf": [{"type": "string"}, {"type": "null"}],
+                                "title": "Q",
+                            },
+                            "name": "q",
+                            "in": "query",
+                        },
+                    ],
+                    "responses": {
+                        "200": {
+                            "description": "Successful Response",
+                            "content": {"application/json": {"schema": {}}},
+                        },
+                        "422": {
+                            "description": "Validation Error",
+                            "content": {
+                                "application/json": {
+                                    "schema": {
+                                        "$ref": "#/components/schemas/HTTPValidationError"
+                                    }
+                                }
+                            },
+                        },
+                    },
+                    "summary": "Update Item",
+                    "operationId": "update_item_items__item_id__put",
+                    "requestBody": {
+                        "content": {
+                            "application/json": {
+                                "schema": {"$ref": "#/components/schemas/Item"}
+                            }
+                        },
+                        "required": True,
+                    },
+                }
+            }
+        },
+        "components": {
+            "schemas": {
+                "Item": {
+                    "title": "Item",
+                    "required": ["name", "price"],
+                    "type": "object",
+                    "properties": {
+                        "name": {"title": "Name", "type": "string"},
+                        "price": {"title": "Price", "type": "number"},
+                        "description": {
+                            "title": "Description",
+                            "anyOf": [{"type": "string"}, {"type": "null"}],
+                        },
+                        "tax": {
+                            "title": "Tax",
+                            "anyOf": [{"type": "number"}, {"type": "null"}],
+                        },
+                    },
+                },
+                "ValidationError": {
+                    "title": "ValidationError",
+                    "required": ["loc", "msg", "type"],
+                    "type": "object",
+                    "properties": {
+                        "loc": {
+                            "title": "Location",
+                            "type": "array",
+                            "items": {
+                                "anyOf": [{"type": "string"}, {"type": "integer"}]
+                            },
+                        },
+                        "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"},
+                        }
+                    },
+                },
+            }
+        },
+    }