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forgetest: fans-quiet also proves a daemon restart on a busy machine returns to idle airflow

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A forgectrl started while the kernel is not idle takes the cooldown
airflow (forgectrl's busy-start rule), and on the bench it kept it: after
kernel.fire-line's takeover restarted the daemon with the kernel in the
drill's safe state, the exhaust ran at 6200 rpm on an idle machine until
the daemon was restarted by hand. cooling.fans-quiet-after-motion gains
the case: forgectrl stopped, cnc/disable written, forgectrl started, and
within 90 s the controller must be running with the idle duties applied.
The host replay stubs the init script and holds both outcomes: the idle
duties after the start, and a daemon that keeps the cooldown duties.

Bench: with forgectrl 522cdb2, the busy start logged, idle airflow one
tick later, the duties idle 15 s after the start, PASS.

Catalog consequence: the cooling.* implementation hashes move.
This commit is contained in:
ScottW514
2026-09-02 18:14:07 -04:00
parent 970f10a9e2
commit 9258dea885
2 changed files with 78 additions and 5 deletions
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forgetest/tests/test_cooling_suite.py
+41 -2
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@@ -89,19 +89,38 @@ class FansQuietTests(unittest.TestCase):
self.tmp = tempfile.mkdtemp(prefix="forgetest-cool-")
self.sysfs = os.path.join(self.tmp, "sysfs") + os.sep
os.makedirs(self.sysfs + "thermal")
os.makedirs(self.sysfs + "cnc")
with open(self.sysfs + "cnc/state", "w") as f:
f.write("idle")
os.environ["GF_SYSFS_ROOT"] = self.sysfs
self.fc = helpers.FakeForgectrl().start()
self.grbl = FakeGrbl()
self.saved = (cooling.SAMPLE_S, cooling.IDLE_REF_TIMEOUT_S, cooling.COOLDOWN_TIMEOUT_S)
self.saved = (cooling.SAMPLE_S, cooling.IDLE_REF_TIMEOUT_S, cooling.COOLDOWN_TIMEOUT_S,
cooling.RESTART_IDLE_TIMEOUT_S, cooling.hw.initd)
cooling.SAMPLE_S = 0.1
cooling.IDLE_REF_TIMEOUT_S = 3
cooling.COOLDOWN_TIMEOUT_S = 4
cooling.RESTART_IDLE_TIMEOUT_S = 1
# The daemon restart of the last phase, scripted: the init script
# is a stub, and the engine that comes up applies `after_start`
# (the idle duties by default; a daemon that keeps the busy-start
# cooldown airflow applies those instead).
self.initd_calls = []
self.after_start = (0, 0)
def initd(service, action, timeout=60):
self.initd_calls.append((service, action))
if action == "start":
self.duty(*self.after_start)
return 0, ""
cooling.hw.initd = initd
self.fc.state["cool"] = {"phase": "idle", "armed": False, "hold": False}
self.duty(0, 0)
self.fans(0, 736, 733)
def tearDown(self):
cooling.SAMPLE_S, cooling.IDLE_REF_TIMEOUT_S, cooling.COOLDOWN_TIMEOUT_S = self.saved
(cooling.SAMPLE_S, cooling.IDLE_REF_TIMEOUT_S, cooling.COOLDOWN_TIMEOUT_S,
cooling.RESTART_IDLE_TIMEOUT_S, cooling.hw.initd) = self.saved
self.grbl.close()
self.fc.stop()
os.environ.pop("GF_SYSFS_ROOT", None)
@@ -174,6 +193,26 @@ class FansQuietTests(unittest.TestCase):
self.assertIsNotNone(run.evidence["settle_s"])
self.assertTrue(any("idle ref:" in ln for ln in run.lines))
def test_the_restart_phase_stops_disables_starts_and_sees_idle_duty(self):
self.run_engine()
run = self.run_test()
self.assertEqual(run.finished, None)
self.assertEqual(self.initd_calls, [("forgectrl", "stop"), ("forgectrl", "start")])
with open(self.sysfs + "cnc/disable") as f:
self.assertEqual(f.read(), "1")
self.assertEqual(run.evidence["duty_after_restart"], cooling.IDLE_DUTY)
self.assertIsNotNone(run.evidence["restart_idle_s"])
def test_a_daemon_that_keeps_the_busy_start_airflow_fails(self):
# The bench case: after a takeover's restart the exhaust ran at
# cooldown duty on an idle machine for good.
self.run_engine()
self.after_start = (32768, 21639)
with self.assertRaises(Failed) as cm:
self.run_test()
self.assertIn("kept the busy-start airflow", str(cm.exception))
self.assertIn("32768", str(cm.exception))
def test_fans_left_running_fail_with_the_reference_in_the_message(self):
def on_command(line):
if line == "M8":