from pathlib import Path

from packages.config.env_file import read_env_value, update_env_file


def test_update_env_file(tmp_path: Path):
    envf = tmp_path / ".env"
    envf.write_text("FOO=bar\n# comment\nBAZ=old\n", encoding="utf-8")
    update_env_file(envf, {"BAZ": "new", "ADMIN_USERNAME": "alice"})
    text = envf.read_text(encoding="utf-8")
    assert "FOO=bar" in text
    assert "BAZ=new" in text
    assert "ADMIN_USERNAME=alice" in text
    assert read_env_value(envf, "BAZ") == "new"
    assert read_env_value(envf, "ADMIN_USERNAME") == "alice"