from fastapi.responses import JSONResponse
from fastapi.testclient import TestClient

app = FastAPI()
router = APIRouter()


@router.route("/items/")
def read_items(request: Request):
    return JSONResponse({"hello": "world"})


app.include_router(router)

client = TestClient(app)


def test_sub_router():
    response = client.get("/items/")
    assert response.status_code == 200, response.text

        // ## Act ##
        try (CurlResponse response = req.execute()) {
            // ## Assert ##
            assertEquals(200, response.getHttpStatusCode());
            assertNotNull(response.getContentAsString());
        }
    }

    // --- GZIP response tests ---

    /**
     * Helper to GZIP-compress a string.
     */

```JSON
{"message": "Oops! yolo did something. There goes a rainbow..."}
```

/// note | 技術詳細

また、`from starlette.requests import Request`と`from starlette.responses import JSONResponse`を使用することもできます。

**FastAPI** は開発者の利便性を考慮して、`fastapi.responses`と同じ`starlette.responses`を提供しています。しかし、利用可能なレスポンスのほとんどはStarletteから直接提供されます。これは`Request`と同じです。

///

## デフォルトの例外ハンドラのオーバーライド { #override-the-default-exception-handlers }

import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;

/**
 * A response list that extends List functionality and includes pagination and search metadata.
 * This class wraps search results with pagination information, facet responses, and query statistics.
 * It implements the List interface to provide standard list operations while adding search-specific

def test_security_http_base_no_credentials():
    response = client.get("/users/me")
    assert response.status_code == 401, response.text
    assert response.json() == {"detail": "Not authenticated"}
    assert response.headers["WWW-Authenticate"] == "Other"


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == snapshot(
        {

client = TestClient(app)


def test_no_token():
    response = client.get("/items")
    assert response.status_code == 200, response.text
    assert response.json() == {"msg": "Create an account first"}


def test_token():
    response = client.get("/items", headers={"Authorization": "Bearer testtoken"})
    assert response.status_code == 200, response.text
    assert response.json() == {"token": "testtoken"}

但是现在你知道了它的工作原理，因此无论它们多么复杂，你都可以在自己的应用程序中使用相对导入。🤓

### 添加一些自定义的 `tags`、`responses` 和 `dependencies` { #add-some-custom-tags-responses-and-dependencies }

我们不打算在每个*路径操作*中添加前缀 `/items` 或 `tags =["items"]`，因为我们将它们添加到了 `APIRouter` 中。

但是我们仍然可以添加*更多*将会应用于特定的*路径操作*的 `tags`，以及一些特定于该*路径操作*的额外 `responses`：

{* ../../docs_src/bigger_applications/app_an_py310/routers/items.py hl[30:31] title["app/routers/items.py"] *}

This module is an implementation of [Brotli][1] compression.
It enables Brotli support in addition to tranparent Gzip support,
provided Accept-Encoding is not set previously.  Modern web servers
must choose to return Brotli responses.  n.b. It is not used for
sending requests.

```java
OkHttpClient client = new OkHttpClient.Builder()
  .addInterceptor(BrotliInterceptor.INSTANCE)
  .build();
```

```kotlin

def test_security_oauth2_password_bearer_no_header():
    response = client.get("/users/me")
    assert response.status_code == 200, response.text
    assert response.json() == {"msg": "Create an account first"}


def test_strict_login_no_data():
    response = client.post("/login")
    assert response.status_code == 422
    assert response.json() == {
        "detail": [
            {

client = TestClient(app)


def test_single_form_field():
    response = client.post("/form/", data={"username": "Rick"})
    assert response.status_code == 200, response.text
    assert response.json() == "Rick"


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == snapshot(
        {
            "openapi": "3.1.0",