import threading

import pytest

from hermes_cli import plugins_loader


def test_nested_plugin_load_runs_inline_on_deadline_worker(monkeypatch):
    monkeypatch.setattr(plugins_loader, "_resolve_plugin_load_timeout", lambda: 0.3)
    abandoned = []

    class Context:
        def __init__(self, name):
            self.name = name

        def _abandon_load(self):
            abandoned.append(self.name)

    observed_threads = []
    release = threading.Event()

    def outer_load():
        observed_threads.append(threading.current_thread())
        plugins_loader.run_with_load_deadline(
            "done", Context("done"), lambda: observed_threads.append(threading.current_thread()),
        )
        plugins_loader.run_with_load_deadline("hung", Context("hung"), release.wait)

    with pytest.raises(plugins_loader.PluginLoadTimeout):
        plugins_loader.run_with_load_deadline("outer", Context("outer"), outer_load)
    release.set()

    assert len(observed_threads) == 2
    assert observed_threads[0] is observed_threads[1]
    # The outer timeout abandons only contexts still loading, not a nested load that already finished.
    assert abandoned == ["outer", "hung"]