"""Convergence confirmation must retry a transient second-sample failure."""

from types import SimpleNamespace

import pytest

from harness import generic


def _setup(monkeypatch, samples):
    clock = [0]
    monkeypatch.setattr(generic.time, "time", lambda: clock[0])
    monkeypatch.setattr(generic.time, "sleep", lambda n: clock.__setitem__(0, clock[0] + n))
    monkeypatch.setattr(generic.lifecycle, "services_converged", lambda d: next(samples))
    monkeypatch.setattr(generic.lifecycle, "http_fetch", lambda *a: (200, "application"))
    monkeypatch.setattr(generic, "served_cert", lambda d: (True, "*.ci.autonomic.zone"))
    return SimpleNamespace(DEPLOY_TIMEOUT=20, HTTP_TIMEOUT=20, HEALTH_PATH="/", HEALTH_OK=(200,))


def test_confirmation_failure_retries_until_services_settle(monkeypatch):
    meta = _setup(monkeypatch, iter([True, False, True, True]))
    generic.assert_serving("example.ci.autonomic.zone", meta)


def test_persistent_confirmation_failure_still_fails(monkeypatch):
    import itertools

    meta = _setup(monkeypatch, itertools.cycle([True, False]))
    with pytest.raises(AssertionError, match="services did not converge"):
        generic.assert_serving("example.ci.autonomic.zone", meta)