},
        ],
    }


@pytest.mark.parametrize(
    "path",
    ["/optional-str", "/model-optional-str"],
)
def test_optional_str_missing_empty_dict(path: str):
    client = TestClient(app)
    response = client.post(path, json={})
    assert response.status_code == 200, response.text
    assert response.json() == {"p": None}


@pytest.mark.parametrize(
    "path",

            },
        ],
    }


@pytest.mark.parametrize(
    "path",
    ["/optional-list-str", "/model-optional-list-str"],
)
def test_optional_list_str_missing_empty_dict(path: str):
    client = TestClient(app)
    response = client.post(path, json={})
    assert response.status_code == 200, response.text
    assert response.json() == {"p": None}


@pytest.mark.parametrize(
    "path",

Ejecuta las pruebas con:

<div class="termy">

```console
$ pytest

================ test session starts ================
platform linux -- Python 3.6.9, pytest-5.3.5, py-1.8.1, pluggy-0.13.1
rootdir: /home/user/code/superawesome-cli/app
plugins: forked-1.1.3, xdist-1.31.0, cov-2.8.1
collected 6 items

---> 100%

Запустите тесты:

<div class="termy">

```console
$ pytest

================ test session starts ================
platform linux -- Python 3.6.9, pytest-5.3.5, py-1.8.1, pluggy-0.13.1
rootdir: /home/user/code/superawesome-cli/app
plugins: forked-1.1.3, xdist-1.31.0, cov-2.8.1
collected 6 items

---> 100%

@pytest.mark.parametrize(
    "value,code",
    [
        ("-1", 200),
        ("inf", 200),
        ("-inf", 200),
        ("nan", 200),
        ("0", 200),
        ("342", 200),
    ],
)
def test_allow_inf_nan_param_true(value: str, code: int):
    response = client.post(f"/?x={value}")
    assert response.status_code == code, response.text


@pytest.mark.parametrize(
    "value,code",
    [

import pytest
from fastapi import FastAPI, Query
from pydantic import BaseModel


def test_invalid_sequence():
    with pytest.raises(
        AssertionError,
        match="Query parameter 'q' must be one of the supported types",
    ):
        app = FastAPI()

        class Item(BaseModel):
            title: str

        @app.get("/items/")
        def read_items(q: list[Item] = Query(default=None)):

<div class="termy">

```console
$ pip install pytest

---> 100%
```

</div>

Es erkennt die Dateien und Tests automatisch, führt sie aus und berichtet Ihnen die Ergebnisse.

Führen Sie die Tests aus, mit:

<div class="termy">

```console
$ pytest

================ test session starts ================
platform linux -- Python 3.6.9, pytest-5.3.5, py-1.8.1, pluggy-0.13.1

import importlib

import pytest
from fastapi.testclient import TestClient

from ...utils import needs_py310


@pytest.fixture(
    name="client",
    params=[
        pytest.param("tutorial001_py310", marks=needs_py310),
        pytest.param("tutorial001_an_py310", marks=needs_py310),
    ],
)
def get_client(request: pytest.FixtureRequest):
    mod = importlib.import_module(f"docs_src.additional_status_codes.{request.param}")

    assert state["/async_raise"] == "asyncgen raise not started"
    with pytest.raises(OtherDependencyError):
        client.get("/async_raise_other")
    assert state["/async_raise"] == "asyncgen raise finalized"
    assert "/async_raise" not in errors


def test_sync_raise_other():
    assert state["/sync_raise"] == "generator raise not started"
    with pytest.raises(OtherDependencyError):
        client.get("/sync_raise_other")

///

## 執行 { #run-it }

接下來，你只需要安裝 `pytest`。

請先建立並啟用一個[虛擬環境](../virtual-environments.md)，然後安裝，例如：

<div class="termy">

```console
$ pip install pytest

---> 100%
```

</div>

它會自動偵測檔案與測試、執行它們，並把結果回報給你。

用以下指令執行測試：

<div class="termy">

```console
$ pytest

================ test session starts ================