test(node): cover parse_max_batch_entries invalid inputs#156
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The existing `test_arc_rpc_max_batch_entries_zero_rejected` only
exercises the post-parse `n == 0` rejection. The four pre-parse
branches of `parse_max_batch_entries` — non-numeric, negative,
overflow, empty — are not pinned, and clap surfaces the parser's
`format!("invalid number: {s}")` message verbatim to the
operator. Any wording change there would leak out to
`--help` output and CI logs without any test catching it.
Add one test per branch with a small `err_str` helper so the
assert message embeds the actual error string the operator would
see, not just a pass/fail.
Verified locally with `cargo check -p arc-node-execution --tests`
(1.71s). The full `cargo test` build for this binary OOMs
in the local 8 GB sandbox before the test binary can link, so
test execution is deferred to CI.
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Overview
The existing
test_arc_rpc_max_batch_entries_zero_rejectedonly exercises the post-parsen == 0rejection.The four pre-parse branches of
parse_max_batch_entries(non-numeric,negative,overflow, andempty) are currently not pinned. Because of this,clapsurfaces the parser'sformat!("invalid number: {s}")message verbatim to the operator. Any wording change in these paths would leak out to--helpoutput and CI logs without any test catching the regression.Changes
non-numeric,negative,overflow,empty).err_strhelper function so the assertion message embeds the actual error string the operator would see, improving debuggability beyond a simple pass/fail.Verification Results
Automated Checks
cargo check -p arc-node-execution --tests-> OKcargo fmt --check -p arc-node-execution-> CLEANTesting Note
Note
The full
cargo testfor this binary OOMs (Out of Memory) in the local 8 GB sandbox before the test binary can link. Full test execution has been deferred to the CI pipeline.