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test(pkg): preserve single-platform SAT problem size #16003

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Merged
Alizter merged 1 commit into from
Aug 17, 2026
Merged

test(pkg): preserve single-platform SAT problem size #16003

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34 changes: 34 additions & 0 deletions ...ckbox-tests/test-cases/pkg/portable-lockdirs/portable-lockdirs-single-platform-sat-size.t
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Original file line number Diff line number Diff line change
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A lock directory with one requested platform does not need cross-platform
version-consistency variables or clauses.

$ mkrepo
$ add_mock_repo_if_needed
$ mkpkg foo

$ cat >dune-workspace <<EOF
> (lang dune 3.20)
> (repository
> (name mock)
> (url "file://$(pwd)/mock-opam-repository"))
> (lock_dir
> (repositories mock)
> (solve_for_platforms
> ((arch x86_64)
> (os linux))))
> (pkg enabled)
> EOF
$ write_portable_lockdirs_project

The input is fixed, so the exact SAT problem size detects redundant encoding.

$ DUNE_TRACE=+sat dune pkg lock >/dev/null 2>&1
$ dune trace cat | jq -s 'include "dune";
> [ .[] | satSolveEvents
> | .args | { num_variables, num_clauses }
> ]'
[
{
"num_variables": 2,
"num_clauses": 2
}
]
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