mirror of
https://github.com/NousResearch/hermes-agent.git
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6b81590c55
Systematic prune per AGENTS.md test policy, one pass over every major test tree (gateway, hermes_cli, tools, agent, run_agent, plugins, cli, cron, tui_gateway, honcho/openviking, root-level): - DELETE: source-reading tests (read_text/getsource on prod files), change-detector tests (exact catalog counts, model-name snapshots, config version literals), mock-echo tests (assert a mock returns what it was told), assertion-free/trivial tests, near-duplicate parametrizations (boundaries + one representative kept), async/sync twin duplicates, cosmetic within-file variations. - KEEP (mandatory): security/redaction/approval guards, message-role alternation invariants, prompt-caching/deterministic-call-id invariants, issue-number regression tests (deduped), E2E tests. - 6 test files deleted outright (script-style/no-assert or fully redundant); conftest.py, fakes/, fixtures/ untouched. - tests/acp/conftest.py added: autouse fixture stubs the live models.dev/GitHub/Copilot/Anthropic inventory fetches that ACP server tests performed on every session create — test_server.py 147s → 3.4s, and the tests are now genuinely hermetic. - Sleep-based slowness shrunk where safe (codex_ttfb_watchdog, compression_concurrent_fork, etc.); no wall-clock assertion tightened. Verification: full hermetic suite via scripts/run_tests.sh — 2439 files, 31,130 tests passed, 0 failed, 0 flaky retries, 315s wall (baseline: 583s wall, 13,564s subprocess CPU).
139 lines
3.4 KiB
Python
139 lines
3.4 KiB
Python
"""Tests for plugins/plugin_utils.py — thread-safe lazy singleton helpers.
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These exercise the actual concurrency guarantee with real threads (not mocks):
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a barrier releases N threads simultaneously into the accessor, and we assert
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the factory ran exactly once.
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"""
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import threading
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import pytest
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from plugins.plugin_utils import SingletonSlot, lazy_singleton
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# --- lazy_singleton -------------------------------------------------------
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def test_lazy_singleton_builds_once_and_returns_same_instance():
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calls = []
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@lazy_singleton
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def get():
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calls.append(1)
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return object()
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a = get()
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b = get()
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assert a is b
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assert len(calls) == 1
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def test_lazy_singleton_reset_rebuilds():
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counter = {"n": 0}
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@lazy_singleton
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def get():
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counter["n"] += 1
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return counter["n"]
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assert get() == 1
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assert get() == 1
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get.reset()
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assert get() == 2
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def test_lazy_singleton_concurrent_first_call_builds_once():
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build_count = {"n": 0}
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build_lock = threading.Lock()
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barrier = threading.Barrier(16)
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results = []
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results_lock = threading.Lock()
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@lazy_singleton
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def get():
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# Count builds under a lock so the assertion is exact even if the
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# double-checked lock had a bug and let two through.
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with build_lock:
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build_count["n"] += 1
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# Simulate an expensive build so threads genuinely overlap.
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import time
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time.sleep(0.01)
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return object()
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def worker():
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barrier.wait() # release all threads at once
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obj = get()
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with results_lock:
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results.append(obj)
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threads = [threading.Thread(target=worker) for _ in range(16)]
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for t in threads:
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t.start()
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for t in threads:
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t.join()
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assert build_count["n"] == 1, "factory must run exactly once under race"
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assert len(results) == 16
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assert all(r is results[0] for r in results), "all callers share one instance"
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# --- SingletonSlot --------------------------------------------------------
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def test_slot_caches_first_value():
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slot: SingletonSlot = SingletonSlot()
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assert slot.peek() is None
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v1 = slot.get(lambda: "first")
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assert slot.peek() == "first"
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# Subsequent factory is ignored — first value wins.
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v2 = slot.get(lambda: "second")
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assert v1 == v2 == "first"
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def test_slot_factory_exception_not_cached():
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slot: SingletonSlot = SingletonSlot()
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def boom():
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raise ValueError("nope")
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with pytest.raises(ValueError):
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slot.get(boom)
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assert slot.peek() is None
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assert slot.get(lambda: "recovered") == "recovered"
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def test_slot_concurrent_first_call_builds_once():
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build_count = {"n": 0}
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build_lock = threading.Lock()
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barrier = threading.Barrier(16)
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slot: SingletonSlot = SingletonSlot()
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results = []
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results_lock = threading.Lock()
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def factory():
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with build_lock:
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build_count["n"] += 1
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import time
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time.sleep(0.01)
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return object()
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def worker():
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barrier.wait()
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obj = slot.get(factory)
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with results_lock:
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results.append(obj)
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threads = [threading.Thread(target=worker) for _ in range(16)]
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for t in threads:
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t.start()
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for t in threads:
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t.join()
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assert build_count["n"] == 1
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assert len(results) == 16
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assert all(r is results[0] for r in results)
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