client = TestClient(app)
    response = client.get("/test1")
    assert response.status_code == 200
    assert response.json() == {"foo": "bar"}

    response = client.get("/test1", params={"var": "baz"})
    assert response.status_code == 200
    assert response.json() == {"foo": "baz"}

    response = client.get("/test2")
    assert response.status_code == 200
    assert response.json() == {"foo": "bar"}

    ```

 *  New: Make the content-type header optional for request bodies.
 *  New: `Response.isSuccessful()` is a convenient API to check response codes.
 *  New: The response body can now be read outside of the callback. Response
    bodies must always be closed, otherwise they will leak connections!
 *  New: APIs to create multipart request bodies (`MultipartBuilder`) and form

def test_call_api():
    response = client.post("/examples/", json={"data": "example1"})
    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/")

    test_user = {"email": "******@****.***", "password": "secret"}
    response = client.post("/users/", json=test_user)
    assert response.status_code == 200, response.text
    data = response.json()
    assert test_user["email"] == data["email"]
    assert "id" in data
    response = client.post("/users/", json=test_user)
    assert response.status_code == 400, response.text


@needs_py39
# TODO: pv2 add version with Pydantic v2

    test_user = {"email": "******@****.***", "password": "secret"}
    response = client.post("/users/", json=test_user)
    assert response.status_code == 200, response.text
    data = response.json()
    assert test_user["email"] == data["email"]
    assert "id" in data
    response = client.post("/users/", json=test_user)
    assert response.status_code == 400, response.text


@needs_py310
# TODO: pv2 add version with Pydantic v2

    test_user = {"email": "******@****.***", "password": "secret"}
    response = client.post("/users/", json=test_user)
    assert response.status_code == 200, response.text
    data = response.json()
    assert test_user["email"] == data["email"]
    assert "id" in data
    response = client.post("/users/", json=test_user)
    assert response.status_code == 400, response.text


@needs_py39
# TODO: pv2 add version with Pydantic v2

### Einige benutzerdefinierte `tags`, `responses`, und `dependencies` hinzufügen

Wir fügen weder das Präfix `/items` noch `tags=["items"]` zu jeder *Pfadoperation* hinzu, da wir sie zum `APIRouter` hinzugefügt haben.

Aber wir können immer noch _mehr_ `tags` hinzufügen, die auf eine bestimmte *Pfadoperation* angewendet werden, sowie einige zusätzliche `responses`, die speziell für diese *Pfadoperation* gelten:

    assert response.status_code == 400, response.text
    assert response.json() == {"detail": "Incorrect username or password"}


@needs_py310
def test_no_token(client: TestClient):
    response = client.get("/users/me")
    assert response.status_code == 401, response.text
    assert response.json() == {"detail": "Not authenticated"}
    assert response.headers["WWW-Authenticate"] == "Bearer"


@needs_py310

    response = client.post("/tuple-of-models/", json=data)
    assert response.status_code == 422, response.text

    data = [{"x": 1, "y": 2}]
    response = client.post("/tuple-of-models/", json=data)
    assert response.status_code == 422, response.text


def test_tuple_form_valid():
    response = client.post("/tuple-form/", data={"values": ("1", "2")})
    assert response.status_code == 200, response.text

    }

    internal constructor(response: Response) {
      this.request = response.request
      this.protocol = response.protocol
      this.code = response.code
      this.message = response.message
      this.handshake = response.handshake
      this.headers = response.headers.newBuilder()
      this.body = response.body
      this.networkResponse = response.networkResponse