"""Tests for env_utils."""

from __future__ import annotations

from app.env_utils import env_bool


def test_env_bool_default(monkeypatch) -> None:
    monkeypatch.delenv("TEST_FLAG", raising=False)
    assert env_bool("TEST_FLAG", True) is True
    assert env_bool("TEST_FLAG", False) is False


def test_env_bool_truthy(monkeypatch) -> None:
    for value in ("1", "true", "TRUE", "yes", "on"):
        monkeypatch.setenv("TEST_FLAG", value)
        assert env_bool("TEST_FLAG", False) is True


def test_env_bool_falsy(monkeypatch) -> None:
    monkeypatch.setenv("TEST_FLAG", "0")
    assert env_bool("TEST_FLAG", True) is False