jolt/test/chez/_var_meta.janet
Yogthos 9a273e71cd Move the Chez test oracle off Janet
The unit tests in test/chez/_*.janet now drive bin/joltc (the zero-Janet
spine) and judge against baked expected values instead of a live build/jolt
run. Ten of them captured the oracle from build/jolt per case; their values
are now literals (one env-dependent javastatic case became a predicate so it
stays portable). The rest already had literal expecteds with a redundant
build/jolt sanity check, now dropped.

Retire emit-test/emit-parity/reader-parity: they compared the Chez/Clojure
path against a live Janet evaluation, emitter, or reader. That migration check
is done, and run-corpus-zero-janet (Chez analyzer vs the JVM corpus) plus
certify.clj cover correctness now.

Rewrite the README for the current zero-Janet gate.

jolt-5oci
2026-06-21 09:48:49 -04:00

45 lines
2.2 KiB
Text

# jolt-zikh — var def-time metadata capture (^:private / ^Type tag / docstring).
# (meta (var v)) must carry the def-time reader metadata + :ns/:name, matching the
# JVM-canonical reference. TDD harness: bin/joltc -e per case, last line ==
# expected.
#
# janet test/chez/_var_meta.janet
(def jolt-bin (or (os/getenv "JOLT_BIN") "bin/joltc"))
(def cases
# NOTE: ^{:map} metadata on a def name (e.g. (def ^{:doc "hi"} dv 1)) reads as
# (def (with-meta name m) v) and is uncompilable for the COMPILER generally
# (analyzer.clj rejects it) — out of subset, not a meta-capture gap. Shorthand
# ^:kw / ^Type
# and the docstring form keep the name a plain symbol, so they're in scope.
[["^:private on var" "(do (def ^:private pv 1) (:private (meta (var pv))))" "true"]
["^Type tag on var" "(do (def ^String tv \"a\") (:tag (meta (var tv))))" "String"]
["(def name doc val)" "(do (def dv2 \"hi\" 1) (:doc (meta (var dv2))))" "hi"]
["meta carries :name" "(do (def mv 1) (:name (meta (var mv))))" "mv"]
["meta carries :ns" "(do (def nv 1) (:ns (meta (var nv))))" "user"]
["plain def: no user meta" "(do (def pl 1) (nil? (:private (meta (var pl)))))" "true"]])
(defn run-capture [expr]
(def proc (os/spawn [jolt-bin "-e" expr] :p {:out :pipe :err :pipe}))
(def out (ev/read (proc :out) 0x100000))
(def err (ev/read (proc :err) 0x100000))
(def code (os/proc-wait proc))
(def lines (filter (fn [l] (not (empty? l)))
(string/split "\n" (string/trim (if out (string out) "")))))
[code (if (empty? lines) "" (last lines)) (if err (string err) "")])
(var pass 0)
(def fails @[])
(each [label expr expected] cases
(def [code got err] (run-capture expr))
(cond
(not= code 0) (array/push fails [label (string "exit " code "; err: " (string/trim err))])
(= got expected) (++ pass)
(array/push fails [label (string "want `" expected "`, got `" got "`")])))
(printf "\n_var_meta parity [%s]: %d/%d passed" jolt-bin pass (length cases))
(when (> (length fails) 0)
(printf "%d FAIL(s):" (length fails))
(each [l m] fails (printf " FAIL [%s] %s" l m)))
(flush)
(os/exit (if (empty? fails) 0 1))