fix(engine_adapter): preserve pre_ping in with_settings - #5922
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StuffbyYuki merged 1 commit intoAug 6, 2026
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EngineAdapter.with_settings() did not forward the current _pre_ping value to the cloned adapter, and the constructor defaults pre_ping to False. Context.snapshot_evaluator clones the adapter this way, so pre_ping: true silently did not apply to model evaluation or the before_all/after_all environment statements, and a stale connection after a long run failed instead of being re-established. pre_ping is now carried over like the other settings, and remains overridable via an explicit keyword argument. Adds a regression test asserting the cloned adapter keeps pre_ping. Signed-off-by: Sanjay Santhanam <51058514+Sanjays2402@users.noreply.github.com>
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Closes #5912.
Description
EngineAdapter.with_settings()did not forward the current_pre_pingvalue to the cloned adapter, and the constructor defaultspre_pingtoFalse.Context.snapshot_evaluatorclones the adapter this way, sopre_ping: truesilently did not apply to model evaluation or thebefore_all/after_allenvironment statements.pre_pingis now carried over like the other settings, and stays overridable via an explicit keyword argument.Test Plan
New
test_with_settings_preserves_pre_pingintests/core/engine_adapter/test_base.py(next to the existingtest_pre_ping); it fails onmainand passes with the fix.tests/core/engine_adapter/test_base.pypasses (122 tests).Checklist
ruff check/ruff formaton the changed filestests/core/engine_adapter/test_base.pypass (122)git commit -s) per the DCO