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setup.focus: the tube-current case plants a reading at HV_ON, so it holds the threshold

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test_a_burn_whose_tube_current_the_test_never_saw_rise_fails planted
pic/hv_current at 0. That proved the check on the test's own reads
exists, but not its threshold: the check written as `> 0`, or as
`>= HV_ON`, passed every case. The case now plants HV_ON itself (30,
which is not over 30), so with the 431 the passing cases plant, the
threshold is held between 30 and 430. setup_burns.py does not change.

Proof: tests/test_setup_burns.py, the Unit tests step of forgetest-ci.yml
(python -B -m unittest discover -s tests), 24 tests OK on Windows with
python 3.14 and on Ubuntu 24.04 with python 3.12. Negative controls on
scratch copies: the check as `> 0`, as `>= HV_ON`, and as no check at
all each fail the case (Failed not raised); the case as it was (a
plant of 0) passes against the `> 0` check. pyflakes reports no
undefined name.

Acceptance: none. tests/ are in no fingerprint (source_sha of 43 of 43
unchanged).
This commit is contained in:
ScottW514
2026-10-16 23:30:06 -04:00
parent 36c1b75bb8
commit e046c534c2
1 changed files with 3 additions and 2 deletions
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forgetest/tests/test_setup_burns.py
+3 -2
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@@ -533,8 +533,9 @@ class BurnRunTests(unittest.TestCase):
def test_a_burn_whose_tube_current_the_test_never_saw_rise_fails(self):
# The LASER_ON count read nonzero from here, and the tube current
# never left zero: the second witness is judged on its own reads.
self.plant("pic/hv_current", "0")
# never read over HV_ON: the second witness is judged on its own
# reads, against the daemon's own threshold for a lit burn.
self.plant("pic/hv_current", str(setup_burns.HV_ON))
with self.assertRaises(Failed) as cm:
self.run_test("setup.focus")
self.assertIn("tube current never read over %d from here" % setup_burns.HV_ON, str(cm.exception))