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Accept a print longer than the ring

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cloud.oversize-stream drives a job the ring cannot hold and checks the
signature of a live feed: the load reporting the job as longer than the
ring, the device in live-feed mode, the kernel's program total growing
during the run, no underrun, and a clean cancel afterwards.

read_program_total gives the catalog the counter that growth is read
from.
This commit is contained in:
ScottW514
2026-08-19 21:21:31 -04:00
parent 4300f7f4a8
commit 7bd9c45fd3
2 changed files with 75 additions and 1 deletions
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forgetest/forgetest/suite/cloud.py
+62 -1
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@@ -9,7 +9,7 @@ import time
from ..catalog import test
from .. import hw
from ..baseline import read_position
from ..baseline import read_position, read_program_total
_CLOUD_COVERS = [("forgefirm-app", "**"), ("python3-gfhardware", "**"), ("python3-gfutilities", "**"),
("forgectrl", "src/super.c"), ("forgectrl", "src/main.c")]
@@ -763,6 +763,67 @@ def pause_resume(ctx):
ctx.log("PASS: button pause/resume mid-print, job completed and parked")
@test("cloud.oversize-stream", title="A print longer than the ring is fed while it plays",
subsystem="cloud", kind="live", est_min=10,
covers=_CLOUD_COVERS,
requires=["cloud.lid-interlock-abort"],
steps=[CLOUD_STEP,
"Scrap on the bed and a LONG job ready in the app - one whose run time is longer "
"than the ring holds (over an hour at the usual print tick). A full-bed raster "
"engrave is the easy way to get one.",
"Print from the app and press the button when it lights. Let it cut for about two "
"minutes, then cancel the print from the app."],
description="The service sends one pulse file for a print however long it is, and a long one "
"is several times the ring: the machine holds the job in memory, fills the ring, "
"starts, and tops the ring up as it drains. This checks the signature of that - "
"the device in live-feed mode, the kernel's program total growing during the run, "
"and no underrun - and that the job still cancels cleanly.")
def oversize_stream(ctx):
ev = ctx.evidence
offset = enter_cloud(ctx)
before = hw.sysfs_int("cnc/underruns", 0)
ev["underruns_before"] = before
ctx.instruct("Start the long print from the app and press the button when it lights.")
got = wait_print_running(ctx, offset, 600)
ctx.check(got, "the print never reached its run within 600 s")
# The load says so in as many words, and the device is in live-feed mode.
got = wait_log(ctx, offset, ["job is longer than the ring"], 30)
ev["log"] = {k: bool(v) for k, v in got.items()}
ctx.check(got["job is longer than the ring"],
"the job fit the ring: pick a longer one, this test needs a job the ring cannot hold")
streaming = hw.sysfs_int("cnc/streaming", 0)
ev["streaming"] = streaming
ctx.check(streaming == 1, "cnc/streaming is %s during a live-fed run", streaming)
# The proof the feed is live: the kernel's idea of how long the program is
# keeps growing while it plays.
first = read_program_total()
ctx.log("program total at the start of the run: %s bytes", first)
ctx.instruct("Let it cut for about two minutes, then click Done (do not cancel yet).")
grown = read_program_total()
ev["total_first"], ev["total_later"] = first, grown
ctx.log("program total two minutes in: %s bytes (+%s)", grown, (grown or 0) - (first or 0))
ctx.check(first is not None and grown is not None and grown > first,
"the program total did not grow during the run (%s -> %s): the ring was not being "
"topped up", first, grown)
after = hw.sysfs_int("cnc/underruns", 0)
ev["underruns_during"] = after
ctx.check(after == before, "the ring ran dry during the run (underruns %s -> %s)", before, after)
ctx.instruct("Now cancel the print from the app.")
fin = wait_action_finished(ctx, offset, "print", 300)
ev["print_finished"] = message(fin)
ctx.check(fin, "the cancelled print did not finish within 300 s")
ctx.check(CANCELLED in fin, "the cancelled print did not report cancelled: %s", message(fin))
ctx.check(hw.sysfs_int("cnc/streaming", 0) == 0,
"the device was left in live-feed mode after the job ended")
ctx.check(hw.sysfs_int("cnc/underruns", 0) == before,
"the cancel produced an underrun")
settle_cloud(ctx, offset)
ctx.log("PASS: a job longer than the ring ran live-fed, total grew, no underrun, clean cancel")
@test("cloud.pause-cancel-paths", title="A paused cloud print is cancelled by the lid, and a running one "
"by the app",
subsystem="cloud", kind="live", est_min=12,