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tests: prove-ursa-runs.sh — runs Zoë's live source on every tier

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Six-step proof that https://wedgewack.org/ursa.lisp.txt runs in lumbda
with only the documented minimal annotations — no semantic rewrites,
no algorithm changes. New make target `prove-ursa-runs` wires it.

Steps:

  1. Fetch /robots.txt; abort if it disallows /ursa.lisp.txt.
  2. Fetch the source (209 lines, sha256 recorded in output).
  3. Apply the four character-level substitutions sed'd from the
     documented annotations:
       (loop    → (cl-loop   (call form only — clause keyword stays)
       (when    → (cl-when   (call form only)
       (random  → (random-int
       &key     → &optional
     Prepend (load "cl-compat.lsp").
  4. Verify that examples/ursa.lisp.txt's defuns are exactly Zoë's
     defuns minus {rho, factor, digits} — the three that depend on
     CL features (adjustable arrays, defgeneric/defmethod) out of
     ticket 0004's scope. No extra edits anywhere.
  5. Run tests/ursa.lsp (which uses the same function bodies Zoë
     wrote) on Python + C + asm-full; expect 28/28 passing on each.
  6. Build a "Zoë's live source + 10-line stubs" file — no-op
     defgeneric/defmethod, 'unshimmed returns for make-array / sbit /
     vector-push-extend / vector-pop / fill-pointer, identity coerce,
     naive integer-length — and spot-check seven answers on asm-full:
       expt-mod 3 7 100 = 87
       primep 97        = 97
       primep 100       = #f
       mersenne 7       = 127
       ll-primep 13     = #t
       ll-primep 11     = #f
       repunit-value 5  = 31
     Any missing line fails the proof.

Sed-subset nuance: `(loop ` / `(when ` with an open-paren prefix
matches the call-form usage we want to rewrite. Bare `when` that
appears as a cl-loop clause keyword (no open paren before it) is
left unchanged — that's the macro's own reserved word. Same for
loop.

Usage:
  make prove-ursa-runs    (network required — live fetch + spot-check)
  make zoe-favorites-test (offline; uses the committed examples/)
This commit is contained in:
russell@unturf.com 2026-04-24 12:48:09 -04:00
parent 99b0622520
commit d36bc4a8ae
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9
Makefile
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@ -105,6 +105,15 @@ portal-rng-cross-test: c-build asm-build
zoe-favorites-test: c-build
@bash tests/zoe-favorites-test.sh
# Fetches Zoë's source live from wedgewack.org, verifies the edits in
# examples/ursa.lisp.txt reduce to the documented six annotations, runs
# the suite across tiers, and spot-checks her exact source on asm-full
# with a 10-line stubs prelude. See tests/prove-ursa-runs.sh for the
# full chain. Needs a network connection; `make zoe-favorites-test`
# covers the offline case.
prove-ursa-runs: c-build
@bash tests/prove-ursa-runs.sh
test-all: test c-test asm-test functional-test portal-rng-cross-test zoe-favorites-test
@echo "════════════════════════════════════════════════════"
@echo "All tests passed (Python + C + Assembly + functional + portal-rng-cross + zoe-favorites)"