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我有一个我想request.param多次使用的夹具。

@pytest.fixture
def get_settings(request):
    with mock.patch("helpers.helpers.get_settings") as mocked_settings:
        mocked_settings.return_value = Settings(
            TOKEN_KEY=request.param,      # <== Here
            TOKEN_PASSWORD=request.param) # <== And here
        yield


@pytest.fixture
def get_user():
    return User(name="Test User")

def generate_new_token(user: User) -> str:

    settings = get_settings()
    private_key = settings.TOKEN_KEY
    token_password = settings.TOKEN_PASSWORD

    if not private_key.strip():
        raise ValueError("Private key must not be empty")

我该怎么做?如果我执行上述操作(使用两个request.param),然后在我的测试函数中使用它,如下所示:

@pytest.mark.parametrize('get_settings, expected', [(FAKE_TOKEN_KEY, '', None), (FAKE_TOKEN_KEY, '1', None)],
                         indirect=["get_settings"])
def test_generate_new_token(get_user, get_settings, expected):
    assert generate_new_token(user=get_user) == expected

我收到此错误:

在“参数化”中,名称的数量 (2): ['get_settings', 'expected'] 必须等于值的数量 (3)

我不确定它是否与get_user我传递给测试功能的第二个夹具()有关。但是我该如何解决呢?

更新

None是期望值,我把另外两个放在元组中。但在这种情况下,我收到以下错误:

测试设置失败

request = <SubRequest 'get_settings' for <Function test_generate_new_token[get_settings1-None]>>

@pytest.fixture
def get_settings(request):
    with mock.patch("helpers.helpers.get_settings") as mocked_settings:
      > mocked_settings.return_value = Settings(
            DEBUG=True,
            TOKEN_KEY=request.param,  # FAKE_TOKEN_KEY,
            TOKEN_PASSWORD=request.param)

../conftest.py:76:


pydantic/env_settings.py:36:在 pydantic.env_settings.BaseSettings 中。初始化 ???


???

E pydantic.error_wrappers.ValidationError:设置 E TOKEN_KEY 的 2 个验证错误

预期 E str 类型 (type=type_error.str)

E TOKEN_PASSWORD

预期 E str 类型 (type=type_error.str)

pydantic/main.py:406:验证错误

4

1 回答 1

1

因此,我需要在代码中进行两项更改来解决问题:

1-我必须在一个元组中传递参数:

@pytest.mark.parametrize('get_settings, expected', [
((FAKE_TOKEN_KEY, ''), None), 
((FAKE_TOKEN_KEY, '1'), None)
],
                         indirect=["get_settings"])

2-我必须在夹具中传递参数索引:

@pytest.fixture
def get_settings(request):
    with mock.patch("helpers.helpers.get_settings") as mocked_settings:
        mocked_settings.return_value = Settings(
            TOKEN_KEY=request.param[0],      # <== Here I added index [0]
            TOKEN_PASSWORD=request.param[1]) # <== And here index [1]
        yield
于 2021-11-12T10:23:48.633 回答