from gpu_rent.timing import PhaseTimes, WaitLog, format_duration


def test_format_duration():
    assert format_duration(5) == "5s"
    assert format_duration(65) == "1m 5s"
    assert format_duration(60) == "1m"
    assert format_duration(3661) == "1h 1m"


def test_phase_times_summary(monkeypatch):
    times = iter([100.0, 110.0, 130.0, 190.0])
    monkeypatch.setattr("gpu_rent.timing.time.monotonic", lambda: next(times))
    clock = PhaseTimes()
    clock.mark("SSH")
    clock.mark("bootstrap")
    line = clock.summary_line()
    assert "SSH 10s" in line
    assert "bootstrap 20s" in line
    assert "всего" in line


def test_wait_log_throttles(monkeypatch):
    logs: list[str] = []
    t = {"now": 0.0}
    monkeypatch.setattr("gpu_rent.timing.time.monotonic", lambda: t["now"])
    w = WaitLog(logs.append, every=30.0)
    w.tick("a")
    t["now"] = 10.0
    w.tick("b")
    t["now"] = 31.0
    w.tick("c")
    assert logs == ["a", "c"]