"""The --selftest switch must check the build without touching Chrome or Waystar."""
import ChargeBilledAutomation as bot


def test_selftest_without_pdfs_passes_and_says_so(capsys):
    assert bot.self_test([]) == 0
    assert "SELFTEST OK" in capsys.readouterr().out


def test_selftest_fails_for_unreadable_pdf(capsys, tmp_path):
    assert bot.self_test([str(tmp_path / "missing.pdf")]) == 1
    assert "SELFTEST FAILED" in capsys.readouterr().out


def test_selftest_never_starts_chrome(monkeypatch):
    monkeypatch.setattr(bot, "kill_all_chrome", lambda: (_ for _ in ()).throw(AssertionError("Chrome touched")))
    monkeypatch.setattr(bot, "start_chrome_debug", lambda *a: (_ for _ in ()).throw(AssertionError("Chrome touched")))
    assert bot.self_test([]) == 0