client = TestClient(app)
    return client


@needs_pydanticv2
def test_filter_sub_model(client: TestClient):
    response = client.get("/model/modelA")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "name": "modelA",
        "description": "model-a-desc",
        "foo": {"username": "test-user"},
    }


@needs_pydanticv2

def test_get_response():
    response = client.get("/a")
    assert response.status_code == 204, response.text
    assert "content-length" not in response.headers
    assert response.content == b""


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

def test_return_defaults():
    response = client.get("/")
    assert response.json() == {"sub": {}}


def test_return_exclude_unset():
    response = client.get("/exclude_unset")
    assert response.json() == {"x": None, "y": "y"}


def test_return_exclude_defaults():
    response = client.get("/exclude_defaults")
    assert response.json() == {}


def test_return_exclude_none():

    assert response.status_code == 200
    assert response.json() == {
        "host": "testserver",
        "save_data": True,
        "if_modified_since": None,
        "traceparent": None,
        "x_tag": [],
    }


def test_header_param_model_invalid(client: TestClient):
    response = client.get("/items/")
    assert response.status_code == 422

        },
    )
    assert response.status_code == 200
    assert response.json() == {
        "limit": 10,
        "offset": 5,
        "order_by": "updated_at",
        "tags": ["tag1", "tag2"],
    }


def test_query_param_model_defaults(client: TestClient):
    response = client.get("/items/")
    assert response.status_code == 200
    assert response.json() == {
        "limit": 100,

    response = client.get("/items/bar/name")
    assert response.status_code == 200, response.text
    assert response.json() == {"name": "Bar", "description": "The Bar fighters"}


@needs_py310
def test_read_item_public_data(client: TestClient):
    response = client.get("/items/bar/public")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "name": "Bar",

    ],
)
def test_get(path, expected_status, expected_response):
    response = client.get(path)
    assert response.status_code == expected_status
    assert response.json() == expected_response


def test_openapi_schema():
    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"},

    ],
)
def test_get(path, expected_status, expected_response):
    response = client.get(path)
    assert response.status_code == expected_status
    assert response.json() == expected_response


def test_openapi_schema():
    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"},

    with client:
        with open(path, "rb") as file:
            response = client.post("/middleware", files={"file": file})
        assert response.status_code == 422, response.text
        assert response.json() == {
            "detail": {
                "name": "ContentSizeLimitExceeded",
                "code": 999,
                "message": "File limit exceeded",
            }

    client = TestClient(app)
    response = client.get("/items/recursive")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "sub_items": [{"name": "subitem", "sub_items": []}],
        "name": "item",
    }

    response = client.get("/items/recursive-submodel")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "name": "item",
        "sub_items1": [