hermes-agent/tests/hermes_cli/test_update_check.py

63 lines
1.6 KiB
Python

"""Tests for the update check mechanism in hermes_cli.banner."""
import json
import os
import threading
import time
from pathlib import Path
from unittest.mock import MagicMock, patch
import pytest
def test_check_for_updates_uses_cache(tmp_path, monkeypatch):
"""When cache is fresh, check_for_updates should return cached value without calling git."""
from hermes_cli.banner import check_for_updates
from hermes_cli import __version__
# Create a fake git repo and fresh cache
repo_dir = tmp_path / "hermes-agent"
repo_dir.mkdir()
(repo_dir / ".git").mkdir()
cache_file = tmp_path / ".update_check"
cache_file.write_text(json.dumps({"ts": time.time(), "behind": 3, "ver": __version__}))
monkeypatch.setenv("HERMES_HOME", str(tmp_path))
with patch("hermes_cli.banner.subprocess.run") as mock_run:
result = check_for_updates()
assert result == 3
mock_run.assert_not_called()
def test_prefetch_non_blocking():
"""prefetch_update_check() should return immediately without blocking."""
import hermes_cli.banner as banner
# Reset module state
banner._update_result = None
banner._update_check_done = threading.Event()
with patch.object(banner, "check_for_updates", return_value=5):
start = time.monotonic()
banner.prefetch_update_check()
elapsed = time.monotonic() - start
# Should return almost immediately (well under 1 second)
assert elapsed < 1.0
# Wait for the background thread to finish
banner._update_check_done.wait(timeout=5)
assert banner._update_result == 5