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tests/concurrency/ — NOT in the default `pytest tests/unit` gate; run explicitly with `pytest tests/concurrency -q`. flock/prctl/alarm are never mocked: helper subprocesses (helpers.py) hold real locks and install the real lifetime guards; locks live in a per-test tmp dir via CCCI_APP_LOCK_DIR; every helper (and recorded grandchild) is reaped by fixture cleanup. - test_locks.py (cases 1-4): SIGKILL auto-release; LOCK_NB held/unheld semantics; PEP 446 fd-not-inherited (holder's child survives, lock still releases); same-domain second acquire blocks until first holder exits. - test_janitor.py (cases 5-12): orphan reaped once + lockfile unlinked; live holder never reaped + logged; new-run acquire blocks until a slow reap completes (reap-under-probe-lock); two overlapping janitors -> exactly one reaps (flock arbitration); reboot sim (no lockfile) reaps immediately with no age wait; >120min-held lock flagged 'possible leaked run' and NOT stolen; warm/canonical names never probed (no lockfile even created); directory-as-lockfile and missing lock dir degrade to skip+log, never crash. - test_lifetime.py (cases 13-16): PDEATHSIG (wrapper parent SIGKILL'd -> guarded child TERM'd, teardown marker, lock released); already-orphaned helper REFUSES to run (ppid race); 2s deadline alarm -> teardown + exit 142 + lock released; SIGTERM -> teardown + exit 143 + lock released. - test_abra_dir.py (cases 17-19 + 18b): per-run dir built + $ABRA_DIR exported before the first abra call (recording stub abra on PATH); two CONCURRENT same-recipe fetch+checkout flows into different ABRA_DIRs -> divergent correct trees, canonical staged clone untouched; .env written through the servers/ symlink lands in the canonical path (env_get/env_set agree); manual runs get pid-suffixed dirs. On cc-ci: pytest tests/concurrency -q -> 20 passed; tests/unit -> 138 passed; lint PASS.
35 lines
1.0 KiB
Python
35 lines
1.0 KiB
Python
"""Fixtures for the real-kernel concurrency suite (concurrency-restructure plan, 19 cases).
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NOT part of the default `pytest tests/unit` gate — run explicitly with `pytest tests/concurrency
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-q` (docs/concurrency.md). Locks live in a per-test tmp dir (CCCI_APP_LOCK_DIR); helper
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subprocesses hold REAL flocks / install the REAL prctl+signal guards and are always reaped in
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fixture finalizers (no leaked children in the test VM).
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"""
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from __future__ import annotations
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import os
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import sys
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import pytest
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sys.path.insert(0, os.path.dirname(__file__))
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from concutil import HelperPool # noqa: E402
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@pytest.fixture
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def lock_dir(tmp_path, monkeypatch):
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"""Sandbox lock dir, exported so BOTH this process's lifecycle calls and helper subprocesses
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(which inherit os.environ) resolve their lockfiles here — never /run/lock."""
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d = tmp_path / "locks"
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d.mkdir()
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monkeypatch.setenv("CCCI_APP_LOCK_DIR", str(d))
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return str(d)
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@pytest.fixture
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def pool(tmp_path):
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hp = HelperPool(str(tmp_path))
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yield hp
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hp.cleanup()
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