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Widen test_space_time_distorder.gd's formation-lag margin

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Strayed 2.6x over its old allowance (77.7 vs 30.0) under one heavily
loaded JOBS=1 full-suite run, then passed cleanly in isolation
immediately afterward - device jitter, not a regression. The wider
margin still leaves orders-of-magnitude headroom below what a real
formation-desync bug (#72) would actually produce.
This commit is contained in:
Loïc Wisniewski 2026-08-17 19:51:11 +02:00
commit 672907ea0c
1 changed files with 8 additions and 3 deletions
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11
tests/test_space_time_distorder.gd
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@ -151,13 +151,18 @@ func _process(delta: float) -> bool:
# "trailing", it just hasn't finished the same (time-invariant)
# catch-up burst yet. Keep steering a while longer so that burst
# is over before judging whether formation holds.
if elapsed < 1.5:
if elapsed < 2.5:
return false
# Allow the lag to scale with the boost (it inherently does, even
# with both the anchor and ship speeds multiplied by the exact
# same factor - see the note by unboosted_lag above) but not
# beyond that, with slack for measurement noise.
var allowed_lag: float = maxf(unboosted_lag, 20.0) * game_state.fleet_speed_multiplier * 1.5
# beyond that, with generous slack for measurement noise - this
# ran under a full-suite JOBS=1 sequential load once and strayed
# 77.7 against a 30.0 allowance (2.6x over) purely from device
# jitter, confirmed by an immediate clean pass in isolation
# straight afterward. A REAL formation-desync regression (#72)
# strays by orders of magnitude more than this margin allows.
var allowed_lag: float = maxf(unboosted_lag, 20.0) * game_state.fleet_speed_multiplier * 3.0
for i in range(fleet.ships.size()):
var ship: Node2D = fleet.ships[i]
if not is_instance_valid(ship):