import pytest

from infrastructure.magic_plan.config import MagicPlanConfig

_ENV = {"MAGICPLAN_CUSTOMER_ID": "cust-123", "MAGICPLAN_API_KEY": "key-abc"}


def test_from_env_constructs_config() -> None:
    config = MagicPlanConfig.from_env(_ENV)
    assert config.customer_id == "cust-123"
    assert config.api_key == "key-abc"


def test_from_env_raises_on_missing_customer_id() -> None:
    with pytest.raises(KeyError):
        MagicPlanConfig.from_env({"MAGICPLAN_API_KEY": "key-abc"})


def test_from_env_raises_on_missing_api_key() -> None:
    with pytest.raises(KeyError):
        MagicPlanConfig.from_env({"MAGICPLAN_CUSTOMER_ID": "cust-123"})