mirror of
https://github.com/NousResearch/hermes-agent.git
synced 2026-05-30 06:41:51 +00:00
66827f8947
Remove unused imports (F401) and duplicate/shadowed import redefinitions (F811) across the codebase using ruff's safe autofixes. No behavioral changes -- imports only. - ~1400 safe autofixes applied across 644 files (net -1072 lines) - __init__.py re-exports preserved (excluded from F401 removal so public re-export surfaces stay intact) - Re-exports that are imported or monkeypatched by tests but look unused in their defining module are kept with explicit # noqa: F401 (gateway/run.py load_dotenv; run_agent re-exports from agent.message_sanitization, agent.context_compressor, agent.retry_utils, agent.prompt_builder, agent.process_bootstrap, agent.codex_responses_adapter) - Unsafe F841 (unused-variable) fixes deliberately skipped -- those can change behavior when the RHS has side effects - ruff lints remain disabled in pyproject.toml (only PLW1514 is selected); this is a one-time cleanup, not a config change Verification: - python -m compileall: clean - pytest --collect-only: all 27161 tests collect (zero import errors) - core entry points import clean (run_agent, model_tools, cli, toolsets, hermes_state, batch_runner, gateway) - static scan: every name any test imports directly from an edited module still resolves
385 lines
15 KiB
Python
385 lines
15 KiB
Python
"""
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Tests for timezone support (hermes_time module + integration points).
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Covers:
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- Valid timezone applies correctly
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- Invalid timezone falls back safely (no crash, warning logged)
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- execute_code child env receives TZ
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- Cron uses timezone-aware now()
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- Backward compatibility with naive timestamps
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"""
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import os
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import logging
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import sys
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import pytest
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from datetime import datetime, timedelta, timezone
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from unittest.mock import patch
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from zoneinfo import ZoneInfo
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import hermes_time
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def _reset_hermes_time_cache():
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"""Reset the hermes_time module cache (replacement for removed reset_cache)."""
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hermes_time._cached_tz = None
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hermes_time._cached_tz_name = None
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hermes_time._cache_resolved = False
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# =========================================================================
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# hermes_time.now() — core helper
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# =========================================================================
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class TestHermesTimeNow:
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"""Test the timezone-aware now() helper."""
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def setup_method(self):
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_reset_hermes_time_cache()
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def teardown_method(self):
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_reset_hermes_time_cache()
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os.environ.pop("HERMES_TIMEZONE", None)
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def test_valid_timezone_applies(self):
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"""With a valid IANA timezone, now() returns time in that zone."""
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os.environ["HERMES_TIMEZONE"] = "Asia/Kolkata"
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result = hermes_time.now()
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assert result.tzinfo is not None
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# IST is UTC+5:30
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offset = result.utcoffset()
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assert offset == timedelta(hours=5, minutes=30)
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def test_utc_timezone(self):
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"""UTC timezone works."""
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os.environ["HERMES_TIMEZONE"] = "UTC"
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result = hermes_time.now()
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assert result.utcoffset() == timedelta(0)
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def test_us_eastern(self):
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"""US/Eastern timezone works (DST-aware zone)."""
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os.environ["HERMES_TIMEZONE"] = "America/New_York"
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result = hermes_time.now()
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assert result.tzinfo is not None
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# Offset is -5h or -4h depending on DST
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offset_hours = result.utcoffset().total_seconds() / 3600
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assert offset_hours in {-5, -4}
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def test_invalid_timezone_falls_back(self, caplog):
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"""Invalid timezone logs warning and falls back to server-local."""
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os.environ["HERMES_TIMEZONE"] = "Mars/Olympus_Mons"
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with caplog.at_level(logging.WARNING, logger="hermes_time"):
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result = hermes_time.now()
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assert result.tzinfo is not None # Still tz-aware (server-local)
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assert "Invalid timezone" in caplog.text
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assert "Mars/Olympus_Mons" in caplog.text
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def test_empty_timezone_uses_local(self):
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"""No timezone configured → server-local time (still tz-aware)."""
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os.environ.pop("HERMES_TIMEZONE", None)
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result = hermes_time.now()
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assert result.tzinfo is not None
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def test_format_unchanged(self):
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"""Timestamp formatting matches original strftime pattern."""
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os.environ["HERMES_TIMEZONE"] = "Asia/Kolkata"
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result = hermes_time.now()
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formatted = result.strftime("%A, %B %d, %Y %I:%M %p")
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# Should produce something like "Monday, March 03, 2026 05:30 PM"
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assert len(formatted) > 10
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# No timezone abbreviation in the format (matching original behavior)
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assert "+" not in formatted
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def test_cache_invalidation(self):
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"""Changing env var + reset_cache picks up new timezone."""
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os.environ["HERMES_TIMEZONE"] = "UTC"
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_reset_hermes_time_cache()
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r1 = hermes_time.now()
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assert r1.utcoffset() == timedelta(0)
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os.environ["HERMES_TIMEZONE"] = "Asia/Kolkata"
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_reset_hermes_time_cache()
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r2 = hermes_time.now()
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assert r2.utcoffset() == timedelta(hours=5, minutes=30)
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class TestGetTimezone:
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"""Test get_timezone()."""
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def setup_method(self):
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_reset_hermes_time_cache()
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def teardown_method(self):
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_reset_hermes_time_cache()
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os.environ.pop("HERMES_TIMEZONE", None)
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def test_returns_zoneinfo_for_valid(self):
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os.environ["HERMES_TIMEZONE"] = "Europe/London"
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tz = hermes_time.get_timezone()
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assert isinstance(tz, ZoneInfo)
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assert str(tz) == "Europe/London"
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def test_returns_none_for_empty(self):
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os.environ.pop("HERMES_TIMEZONE", None)
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tz = hermes_time.get_timezone()
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assert tz is None
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def test_returns_none_for_invalid(self):
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os.environ["HERMES_TIMEZONE"] = "Not/A/Timezone"
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tz = hermes_time.get_timezone()
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assert tz is None
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# =========================================================================
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# execute_code child env — TZ injection
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# =========================================================================
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@pytest.mark.skipif(sys.platform == "win32", reason="UDS not available on Windows")
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class TestCodeExecutionTZ:
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"""Verify TZ env var is passed to sandboxed child process via real execute_code."""
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@pytest.fixture(autouse=True)
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def _import_execute_code(self, monkeypatch):
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"""Lazy-import execute_code to avoid pulling in firecrawl at collection time."""
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# Force local backend — other tests in the same xdist worker may leak
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# TERMINAL_ENV=modal/docker which causes modal.exception.AuthError.
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monkeypatch.setenv("TERMINAL_ENV", "local")
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try:
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from tools.code_execution_tool import execute_code
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self._execute_code = execute_code
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except ImportError:
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pytest.skip("tools.code_execution_tool not importable (missing deps)")
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def teardown_method(self):
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os.environ.pop("HERMES_TIMEZONE", None)
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def _mock_handle(self, function_name, function_args, task_id=None, user_task=None):
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import json as _json
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return _json.dumps({"error": f"unexpected tool call: {function_name}"})
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def test_tz_injected_when_configured(self):
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"""When HERMES_TIMEZONE is set, child process sees TZ env var.
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Verified alongside leak-prevention + empty-TZ handling in one
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subprocess call so we don't pay 3x the subprocess startup cost
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(each execute_code spawns a real Python subprocess ~3s).
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"""
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import json as _json
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os.environ["HERMES_TIMEZONE"] = "Asia/Kolkata"
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# One subprocess, three things checked:
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# 1) TZ is injected as "Asia/Kolkata"
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# 2) HERMES_TIMEZONE itself does NOT leak into the child env
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probe = (
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'import os; '
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'print("TZ=" + os.environ.get("TZ", "NOT_SET")); '
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'print("HERMES_TIMEZONE=" + os.environ.get("HERMES_TIMEZONE", "NOT_SET"))'
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)
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with patch("model_tools.handle_function_call", side_effect=self._mock_handle):
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result = _json.loads(self._execute_code(
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code=probe,
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task_id="tz-combined-test",
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enabled_tools=[],
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))
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assert result["status"] == "success"
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assert "TZ=Asia/Kolkata" in result["output"]
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assert "HERMES_TIMEZONE=NOT_SET" in result["output"], (
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"HERMES_TIMEZONE should not leak into child env (only TZ)"
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)
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def test_tz_not_injected_when_empty(self):
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"""When HERMES_TIMEZONE is not set, child process has no TZ."""
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import json as _json
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os.environ.pop("HERMES_TIMEZONE", None)
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with patch("model_tools.handle_function_call", side_effect=self._mock_handle):
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result = _json.loads(self._execute_code(
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code='import os; print(os.environ.get("TZ", "NOT_SET"))',
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task_id="tz-test-empty",
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enabled_tools=[],
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))
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assert result["status"] == "success"
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assert "NOT_SET" in result["output"]
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# =========================================================================
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# Cron timezone-aware scheduling
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# =========================================================================
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class TestCronTimezone:
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"""Verify cron paths use timezone-aware now()."""
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def setup_method(self):
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_reset_hermes_time_cache()
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def teardown_method(self):
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_reset_hermes_time_cache()
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os.environ.pop("HERMES_TIMEZONE", None)
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def test_parse_schedule_duration_uses_tz_aware_now(self):
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"""parse_schedule('30m') should produce a tz-aware run_at."""
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os.environ["HERMES_TIMEZONE"] = "Asia/Kolkata"
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from cron.jobs import parse_schedule
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result = parse_schedule("30m")
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run_at = datetime.fromisoformat(result["run_at"])
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# The stored timestamp should be tz-aware
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assert run_at.tzinfo is not None
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def test_compute_next_run_tz_aware(self):
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"""compute_next_run returns tz-aware timestamps."""
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os.environ["HERMES_TIMEZONE"] = "Asia/Kolkata"
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from cron.jobs import compute_next_run
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schedule = {"kind": "interval", "minutes": 60}
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result = compute_next_run(schedule)
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next_dt = datetime.fromisoformat(result)
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assert next_dt.tzinfo is not None
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def test_get_due_jobs_handles_naive_timestamps(self, tmp_path, monkeypatch):
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"""Backward compat: naive timestamps from before tz support don't crash."""
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import cron.jobs as jobs_module
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monkeypatch.setattr(jobs_module, "CRON_DIR", tmp_path / "cron")
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monkeypatch.setattr(jobs_module, "JOBS_FILE", tmp_path / "cron" / "jobs.json")
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monkeypatch.setattr(jobs_module, "OUTPUT_DIR", tmp_path / "cron" / "output")
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os.environ["HERMES_TIMEZONE"] = "Asia/Kolkata"
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_reset_hermes_time_cache()
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# Create a job with a NAIVE past timestamp (simulating pre-tz data)
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from cron.jobs import create_job, load_jobs, save_jobs, get_due_jobs
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job = create_job(prompt="Test job", schedule="every 1h")
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jobs = load_jobs()
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# Force a naive (no timezone) past timestamp
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naive_past = (datetime.now() - timedelta(seconds=30)).isoformat()
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jobs[0]["next_run_at"] = naive_past
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save_jobs(jobs)
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# Should not crash — _ensure_aware handles the naive timestamp
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due = get_due_jobs()
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assert len(due) == 1
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def test_ensure_aware_naive_preserves_absolute_time(self):
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"""_ensure_aware must preserve the absolute instant for naive datetimes.
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Regression: the old code used replace(tzinfo=hermes_tz) which shifted
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absolute time when system-local tz != Hermes tz. The fix interprets
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naive values as system-local wall time, then converts.
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"""
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from cron.jobs import _ensure_aware
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os.environ["HERMES_TIMEZONE"] = "Asia/Kolkata"
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_reset_hermes_time_cache()
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# Create a naive datetime — will be interpreted as system-local time
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naive_dt = datetime(2026, 3, 11, 12, 0, 0)
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result = _ensure_aware(naive_dt)
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# The result should be in Kolkata tz
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assert result.tzinfo is not None
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# The UTC equivalent must match what we'd get by correctly interpreting
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# the naive dt as system-local time first, then converting
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system_tz = datetime.now().astimezone().tzinfo
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expected_utc = naive_dt.replace(tzinfo=system_tz).astimezone(timezone.utc)
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actual_utc = result.astimezone(timezone.utc)
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assert actual_utc == expected_utc, (
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f"Absolute time shifted: expected {expected_utc}, got {actual_utc}"
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)
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def test_ensure_aware_normalizes_aware_to_hermes_tz(self):
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"""Already-aware datetimes should be normalized to Hermes tz."""
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from cron.jobs import _ensure_aware
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os.environ["HERMES_TIMEZONE"] = "Asia/Kolkata"
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_reset_hermes_time_cache()
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# Create an aware datetime in UTC
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utc_dt = datetime(2026, 3, 11, 15, 0, 0, tzinfo=timezone.utc)
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result = _ensure_aware(utc_dt)
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# Must be in Hermes tz (Kolkata) but same absolute instant
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kolkata = ZoneInfo("Asia/Kolkata")
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assert result.utctimetuple()[:5] == (2026, 3, 11, 15, 0)
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expected_local = utc_dt.astimezone(kolkata)
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assert result == expected_local
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def test_ensure_aware_due_job_not_skipped_when_system_ahead(self, tmp_path, monkeypatch):
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"""Reproduce the actual bug: system tz ahead of Hermes tz caused
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overdue jobs to appear as not-yet-due.
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Scenario: system is Asia/Kolkata (UTC+5:30), Hermes is UTC.
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A naive timestamp from 5 minutes ago (local time) should still
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be recognized as due after conversion.
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"""
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import cron.jobs as jobs_module
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monkeypatch.setattr(jobs_module, "CRON_DIR", tmp_path / "cron")
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monkeypatch.setattr(jobs_module, "JOBS_FILE", tmp_path / "cron" / "jobs.json")
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monkeypatch.setattr(jobs_module, "OUTPUT_DIR", tmp_path / "cron" / "output")
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os.environ["HERMES_TIMEZONE"] = "UTC"
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_reset_hermes_time_cache()
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from cron.jobs import create_job, load_jobs, save_jobs, get_due_jobs
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job = create_job(prompt="Bug repro", schedule="every 1h")
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jobs = load_jobs()
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# Simulate a naive timestamp that was written by datetime.now() on a
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# system running in UTC+5:30 — 5 minutes in the past (local time)
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naive_past = (datetime.now() - timedelta(seconds=30)).isoformat()
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jobs[0]["next_run_at"] = naive_past
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save_jobs(jobs)
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# Must be recognized as due regardless of tz mismatch
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due = get_due_jobs()
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assert len(due) == 1, (
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"Overdue job was skipped — _ensure_aware likely shifted absolute time"
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)
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def test_get_due_jobs_naive_cross_timezone(self, tmp_path, monkeypatch):
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"""Naive past timestamps must be detected as due even when Hermes tz
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is behind system local tz — the scenario that triggered #806."""
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import cron.jobs as jobs_module
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monkeypatch.setattr(jobs_module, "CRON_DIR", tmp_path / "cron")
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monkeypatch.setattr(jobs_module, "JOBS_FILE", tmp_path / "cron" / "jobs.json")
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monkeypatch.setattr(jobs_module, "OUTPUT_DIR", tmp_path / "cron" / "output")
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# Use a Hermes timezone far behind UTC so that the numeric wall time
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# of the naive timestamp exceeds _hermes_now's wall time — this would
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# have caused a false "not due" with the old replace(tzinfo=...) approach.
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os.environ["HERMES_TIMEZONE"] = "Pacific/Midway" # UTC-11
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_reset_hermes_time_cache()
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from cron.jobs import create_job, load_jobs, save_jobs, get_due_jobs
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create_job(prompt="Cross-tz job", schedule="every 1h")
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jobs = load_jobs()
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# Force a naive past timestamp (system-local wall time, 10 min ago)
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naive_past = (datetime.now() - timedelta(seconds=30)).isoformat()
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jobs[0]["next_run_at"] = naive_past
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save_jobs(jobs)
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due = get_due_jobs()
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assert len(due) == 1, (
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"Naive past timestamp should be due regardless of Hermes timezone"
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)
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def test_create_job_stores_tz_aware_timestamps(self, tmp_path, monkeypatch):
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"""New jobs store timezone-aware created_at and next_run_at."""
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import cron.jobs as jobs_module
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monkeypatch.setattr(jobs_module, "CRON_DIR", tmp_path / "cron")
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monkeypatch.setattr(jobs_module, "JOBS_FILE", tmp_path / "cron" / "jobs.json")
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monkeypatch.setattr(jobs_module, "OUTPUT_DIR", tmp_path / "cron" / "output")
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os.environ["HERMES_TIMEZONE"] = "US/Eastern"
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_reset_hermes_time_cache()
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from cron.jobs import create_job
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job = create_job(prompt="TZ test", schedule="every 2h")
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created = datetime.fromisoformat(job["created_at"])
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assert created.tzinfo is not None
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next_run = datetime.fromisoformat(job["next_run_at"])
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assert next_run.tzinfo is not None
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