assert is_uploadfile_sequence_annotation(Union[list[str], list[UploadFile]])


def test_serialize_sequence_value_with_optional_list():
    """Test that serialize_sequence_value handles optional lists correctly."""
    from fastapi._compat import v2

    field_info = FieldInfo(annotation=Union[list[str], None])
    field = v2.ModelField(name="items", field_info=field_info)

def test_login_incorrect_password(client: TestClient):
    response = client.post(
        "/token", data={"username": "johndoe", "password": "incorrect"}
    )
    assert response.status_code == 400, response.text
    assert response.json() == {"detail": "Incorrect username or password"}


def test_login_incorrect_username(client: TestClient):
    response = client.post("/token", data={"username": "foo", "password": "secret"})

    assert response.json() == {"detail": "Incorrect username or password"}
    assert response.headers["WWW-Authenticate"] == "Basic"


def test_security_http_basic_invalid_password(client: TestClient):
    response = client.get("/users/me", auth=("stanleyjobson", "wrongpassword"))
    assert response.status_code == 401, response.text
    assert response.json() == {"detail": "Incorrect username or password"}

                "input": None,
            }
        ]
    }


@pytest.mark.parametrize(
    argnames=["grant_type"],
    argvalues=[
        pytest.param("incorrect", id="incorrect value"),
        pytest.param("passwordblah", id="password with suffix"),
        pytest.param("blahpassword", id="password with prefix"),
    ],
)
def test_strict_login_incorrect_grant_type(grant_type: str):

def test_login_incorrect_password(mod: ModuleType):
    client = TestClient(mod.app)
    response = client.post(
        "/token", data={"username": "johndoe", "password": "incorrect"}
    )
    assert response.status_code == 400, response.text
    assert response.json() == {"detail": "Incorrect username or password"}


def test_login_incorrect_username(mod: ModuleType):
    client = TestClient(mod.app)

def test_login_incorrect_password(mod: ModuleType):
    client = TestClient(mod.app)
    response = client.post(
        "/token", data={"username": "johndoe", "password": "incorrect"}
    )
    assert response.status_code == 401, response.text
    assert response.json() == {"detail": "Incorrect username or password"}


def test_login_incorrect_username(mod: ModuleType):
    client = TestClient(mod.app)

                "input": None,
            }
        ]
    }


@pytest.mark.parametrize(
    argnames=["grant_type"],
    argvalues=[
        pytest.param("incorrect", id="incorrect value"),
        pytest.param("passwordblah", id="password with suffix"),
        pytest.param("blahpassword", id="password with prefix"),
    ],
)
def test_strict_login_incorrect_grant_type(grant_type: str):

                "input": None,
            }
        ]
    }


@pytest.mark.parametrize(
    argnames=["grant_type"],
    argvalues=[
        pytest.param("incorrect", id="incorrect value"),
        pytest.param("passwordblah", id="password with suffix"),
        pytest.param("blahpassword", id="password with prefix"),
    ],
)
def test_strict_login_incorrect_grant_type(grant_type: str):

                                    "normal": {
                                        "summary": "A normal example",
                                        "description": "A **normal** item works correctly.",
                                        "value": {
                                            "name": "Foo",
                                            "description": "A very nice Item",

        [Pull Requests erzeugen](help-fastapi.md#create-a-pull-request){.internal-link target=_blank}
        »»»

5) Do not translate anchor fragments in links (the part after «#»), as they must remain the same to work correctly.

5.1) If an existing translation has a link with an anchor fragment different to the anchor fragment in the English source, then this is an error. Fix this by using the anchor fragment of the English source.

Example: