langchain/libs/community/tests/unit_tests/llms/test_bananadev.py

"""Test Banana llm"""

from typing import cast

from pydantic import SecretStr
from pytest import CaptureFixture, MonkeyPatch

from langchain_community.llms.bananadev import Banana


def test_api_key_is_secret_string() -> None:
    llm = Banana(banana_api_key="secret-api-key")  # type: ignore[arg-type]
    assert isinstance(llm.banana_api_key, SecretStr)


def test_api_key_masked_when_passed_from_env(
    monkeypatch: MonkeyPatch, capsys: CaptureFixture
) -> None:
    """Test initialization with an API key provided via an env variable"""
    monkeypatch.setenv("BANANA_API_KEY", "secret-api-key")
    llm = Banana()
    print(llm.banana_api_key, end="")  # noqa: T201
    captured = capsys.readouterr()

    assert captured.out == "**********"


def test_api_key_masked_when_passed_via_constructor(
    capsys: CaptureFixture,
) -> None:
    """Test initialization with an API key provided via the initializer"""
    llm = Banana(banana_api_key="secret-api-key")  # type: ignore[arg-type]
    print(llm.banana_api_key, end="")  # noqa: T201
    captured = capsys.readouterr()

    assert captured.out == "**********"


def test_uses_actual_secret_value_from_secretstr() -> None:
    """Test that actual secret is retrieved using `.get_secret_value()`."""
    llm = Banana(banana_api_key="secret-api-key")  # type: ignore[arg-type]
    assert cast(SecretStr, llm.banana_api_key).get_secret_value() == "secret-api-key"