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cowork-local/tests/fakes/fake_clock.py
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Feature/delta team/epic r04 (#7)
## Summary

epic r04 - begin refactor

## Change Type

- [x] Cowork feature
- [ ] Bug fix
- [ ] Core AI contribution
- [ ] Test / hardening
- [ ] Performance
- [ ] Documentation

## Related Work

Cowork Task:

Core Repo: http://34.143.229.138/gitea-admin/fsg-ai-core-assets

Core AI Issue:

Core Task:

Related PR:

## Scope

What is intentionally included?

What is intentionally NOT included?

## Validation

- [ ] Unit tests
- [ ] Integration tests
- [ ] Manual verification
- [ ] Regression check

Commands / evidence:

## Security Impact

Permission / credential / network / customer data impact:

## Compatibility

- [ ] No breaking change
- [ ] Breaking change documented

## Reviewer Notes

Anything Cowork reviewers should pay attention to.

---------

Co-authored-by: Anh Tran Nguyen Minh <anhtnm1@fpt.com>
Co-authored-by: Huong Le Thi Thien <huongltt35@fpt.com>
Co-authored-by: Nam Pham Dinh Thanh <nampdt@fpt.com>
Co-authored-by: Vu Dam Tuan <vudt15@fpt.com>
Co-authored-by: Hiep Ha Van <hiephv3@fpt.com>
Co-authored-by: Lam Hoang Van <lamhv7@fpt.com>
Reviewed-on: #7
Co-authored-by: Duy Le Huu <duylh19@fpt.com>
2026-08-31 05:15:13 +00:00

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2.0 KiB
Python

"""FakeClock - offline stand-in for ``platform/qt/qt_scheduler_clock.py::
QtSchedulerClock`` (R07-T03).
``TaskScheduler`` (``core/task_scheduler.py``) needs a clock that can
``start(interval_ms, callback)`` / ``stop()`` / ``pump()``. In production
that's a real ``QTimer``, which means testing dispatch logic (what runs, in
what order, what gets re-armed) would otherwise require a live Qt event loop
ticking every 30 seconds. This double satisfies the same duck-typed
interface with manual control: ``fire()`` calls the scripted callback once,
synchronously, on whichever thread the test is running on - no timers, no
event loop, no waiting.
"""
from __future__ import annotations
from typing import Callable, Optional
class FakeClock:
"""Scriptable stand-in for :class:`QtSchedulerClock`.
Args:
running: whether ``start()`` has been called and ``stop()`` hasn't
since - a test can assert on this to check lifecycle wiring.
pump_count: how many times ``pump()`` was called - lets a test on
``TaskScheduler.stop()``'s drain loop assert the event loop was
actually pumped while waiting for workers.
"""
def __init__(self) -> None:
self._callback: Optional[Callable[[], None]] = None
self.interval_ms: Optional[int] = None
self.running: bool = False
self.pump_count: int = 0
def start(self, interval_ms: int, callback: Callable[[], None]) -> None:
self.interval_ms = interval_ms
self._callback = callback
self.running = True
def stop(self) -> None:
self.running = False
def pump(self) -> None:
self.pump_count += 1
def fire(self) -> None:
"""Test helper: manually trigger one tick, as if the interval had
elapsed. A no-op when the clock isn't running (matches a real
``QTimer`` never firing after ``stop()``)."""
if self.running and self._callback is not None:
self._callback()
__all__ = ["FakeClock"]