client = TestClient(app)
    response = client.get(path, headers=headers)
    assert response.status_code == expected_status
    assert response.json() == expected_response


def test_hidden_path():
    client = TestClient(app)
    response = client.get("/hidden_path/hidden_path")
    assert response.status_code == 200
    assert response.json() == {"hidden_path": "hidden_path"}


@pytest.mark.parametrize(

            "tags": ["foo", "bar", "foo"],
            "images": [
                {"url": "http://example.com/image.png", "name": "example image"}
            ],
        },
    )
    assert response.status_code == 200, response.text
    assert response.json() == {
        "item_id": 123,
        "item": {
            "name": "Foo",
            "description": "A very nice Item",
            "price": 35.4,

@app.get("/large")
async def large():
    return PlainTextResponse("x" * 4000, status_code=200)


client = TestClient(app)


def test_middleware():
    response = client.get("/large", headers={"accept-encoding": "gzip"})
    assert response.status_code == 200, response.text
    assert response.text == "x" * 4000
    assert response.headers["Content-Encoding"] == "gzip"

    path.write_bytes(b"x" * (default_pydantic_max_size + 1))

    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)


def test_get_api_route():
    response = client.get("/")
    assert response.status_code == 200, response.text
    assert response.json() == {"c": {}, "d": {"a": {}}}


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

@needs_py310
def test_no_query():
    client = get_client()
    response = client.post("/items/")
    assert response.status_code == 200
    assert response.json() == "Hello World"


@needs_py310
def test_q_fixedquery():
    client = get_client()
    response = client.post("/items/", data={"q": "fixedquery"})
    assert response.status_code == 200
    assert response.json() == "Hello fixedquery"


@needs_py310

    )
    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": [

            "name": "Foo",
            "description": "A very nice Item",
            "price": 35.4,
            "tax": 3.2,
            "tags": ["foo", "bar", "foo"],
        },
    )
    assert response.status_code == 200, response.text
    assert response.json() == {
        "item_id": 123,
        "item": {
            "name": "Foo",
            "description": "A very nice Item",
            "price": 35.4,

    response = client.get("/async")
    assert response.status_code == 200, response.text
    assert response.json() == "asyncgen started"
    assert state["/async"] == "asyncgen completed"


def test_sync_state():
    assert state["/sync"] == "generator not started"
    response = client.get("/sync")
    assert response.status_code == 200, response.text
    assert response.json() == "generator started"

    assert response.status_code == 200, response.text

    response = client.get("/path_examples/foo")
    assert response.status_code == 200, response.text

    response = client.get("/query_examples/")
    assert response.status_code == 200, response.text

    response = client.get("/header_examples/")
    assert response.status_code == 200, response.text