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stack/packages/mosaic/framework/tools/quality/scripts/check-test-enumeration.sh
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mos-dt-0andMos 06e0d40352
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feat(quality): CI test-membership guard — enumeration can no longer silently under-run the disk (#1017) (#1018)
Co-authored-by: mos-dt-0 <[email protected]>
2026-07-31 14:08:41 +00:00

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#!/usr/bin/env bash
# check-test-enumeration.sh — CI test-membership guard (#1017).
#
# CI reaches shell suites through two hand-enumerated surfaces:
# S1 packages/mosaic/package.json scripts."test:framework-shell"
# S2 .woodpecker/ci.yml direct `bash packages/mosaic/framework/tools/...` commands
#
# A hand-enumerated allowlist re-arms its own gap: a new suite never auto-joins,
# so the list silently under-runs the disk (17 of 39 suites were invisible when
# #1017 was filed). This guard makes that under-run impossible to do silently:
#
# FAIL when a suite-shaped file exists on disk and is neither enumerated on
# the UNION of both surfaces nor listed in the exclusions file.
# ("Enumerated", deliberately — F1/F2 on PR #1018 proved this guard sees
# NAMING, not reachability, and its words must not claim otherwise.)
# FAIL when either surface names a path that does not exist on disk
# (a rename manufactures a stale entry silently — checked BOTH directions).
# FAIL when an exclusion entry has no reason, names a path that is gone,
# names a path that is also enumerated (contradiction), or names a path
# outside the population (dead weight that looks like coverage).
#
# POPULATION PATTERN — a deliberate decision, stated per #1017's record:
# basename matches *test*.sh (contains "test", ends ".sh"). Deliberately BROAD:
# the strict `test-*.sh` prefix cannot even name three real boundary files
# (tmux/agent-send.test.sh — CI-run; orchestrator/smoke-test.sh;
# wake/validate-973/microtest-wake-assert.sh), and three independent censuses
# handled that last file three different ways with no trace of the judgement.
# The broad pattern makes such files MEMBERS, so their disposition must be a
# signed exclusion, not an accident of the glob. The SAME pattern is applied to
# both sides of the comparison (disk and enumeration) — a comparison globbed two
# ways runs on two different populations. Scripts outside the pattern on both
# sides symmetrically (e.g. check-resident-budget.sh, verify-sanitized.sh) are
# check-scripts, not suites; their existence is still verified via the
# both-directions rule because every surface-named path must exist on disk.
#
# The surfaces are PARSED, never line-ranged: three seats independently
# mis-scoped hand-written line ranges against these files (#1017 thread). S1 is
# read via JSON + command-chain tokenization; S2 by extracting every
# packages/mosaic/framework/tools/ token wherever it appears in the file.
#
# Exclusions file format (framework/tools/quality/test-enumeration-exclusions.txt):
# <repo-relative-path> | <non-empty reason>
# Lines starting with # and blank lines are ignored. An exclusion is a recorded
# decision someone signed, not an omission nobody made.
set -uo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
ROOT="$(cd "$SCRIPT_DIR/../../../../../.." && pwd)"
while (( $# )); do
case "$1" in
--root) ROOT="$(cd "$2" && pwd)"; shift 2 ;;
*) echo "usage: check-test-enumeration.sh [--root <repo-root>]" >&2; exit 2 ;;
esac
done
PKG_JSON="$ROOT/packages/mosaic/package.json"
CI_YML="$ROOT/.woodpecker/ci.yml"
TOOLS_DIR="$ROOT/packages/mosaic/framework/tools"
EXCLUSIONS="$TOOLS_DIR/quality/test-enumeration-exclusions.txt"
for f in "$PKG_JSON" "$CI_YML"; do
[[ -f "$f" ]] || { echo "FAIL: required surface file missing: $f" >&2; exit 2; }
done
[[ -d "$TOOLS_DIR" ]] || { echo "FAIL: tools dir missing: $TOOLS_DIR" >&2; exit 2; }
fail_count=0
fail() { printf 'FAIL %s\n' "$1"; fail_count=$(( fail_count + 1 )); }
# in_population <repo-relative path> — the single pattern, used for BOTH sides.
in_population() {
local base; base="$(basename "$1")"
[[ "$base" == *test*.sh ]]
}
# --- Surface 1: package.json test:framework-shell, parsed, repo-relative -----
# Tokens are script paths iff they contain "/" and end .sh/.py; interpreter
# names and flags are skipped. Paths are relative to packages/mosaic/.
mapfile -t S1 < <(python3 - "$PKG_JSON" <<'PY'
import json, shlex, sys
cmd = json.load(open(sys.argv[1]))["scripts"].get("test:framework-shell", "")
seen = []
for seg in cmd.split("&&"):
for tok in shlex.split(seg):
if "/" in tok and (tok.endswith(".sh") or tok.endswith(".py")):
path = "packages/mosaic/" + tok
if path not in seen:
seen.append(path)
print("\n".join(seen))
PY
)
# --- Surface 2: ci.yml, every framework/tools token wherever it appears ------
# Comment lines (first non-whitespace char is #) are skipped BEFORE matching:
# commenting an invocation out is the most common way a suite actually gets
# disabled, and a raw-text regex would keep calling it enumerated (F1, 20155 on
# PR #1018 — demonstrated, not argued). Known residual limit: a path named only
# in a TRAILING comment on a live line still matches; no such line exists today
# and full fidelity would need a YAML parser the CI image does not ship.
mapfile -t S2 < <(grep -vE '^[[:space:]]*#' "$CI_YML" \
| grep -oE 'packages/mosaic/framework/tools/[A-Za-z0-9_./-]+\.(sh|py)' | sort -u)
# --- Union, and its population-restricted view -------------------------------
declare -A ENUM=() ENUM_POP=()
for p in "${S1[@]:-}" "${S2[@]:-}"; do
[[ -n "$p" ]] || continue
ENUM["$p"]=1
in_population "$p" && ENUM_POP["$p"]=1
done
# --- Direction B: every surface-named path must exist on disk ----------------
for p in "${!ENUM[@]}"; do
[[ -f "$ROOT/$p" ]] || fail "STALE ENUMERATION: surfaces name '$p' but it does not exist on disk"
done
# --- Exclusions: parsed with the same rigor the enumeration gets -------------
declare -A EXCLUDED=()
if [[ -f "$EXCLUSIONS" ]]; then
lineno=0
while IFS= read -r line; do
lineno=$(( lineno + 1 ))
[[ "$line" =~ ^[[:space:]]*(#|$) ]] && continue
path="${line%%|*}"; reason="${line#*|}"
path="$(echo "$path" | sed 's/^[[:space:]]*//; s/[[:space:]]*$//')"
reason="$(echo "$reason" | sed 's/^[[:space:]]*//; s/[[:space:]]*$//')"
if [[ "$line" != *"|"* || -z "$reason" ]]; then
fail "EXCLUSION MISSING REASON: line $lineno ('$path') — an exclusion is a recorded decision someone signed"
continue
fi
if [[ ! -f "$ROOT/$path" ]]; then
fail "STALE EXCLUSION: line $lineno excludes '$path' which does not exist on disk"
continue
fi
if ! in_population "$path"; then
fail "EXCLUSION OUTSIDE POPULATION: line $lineno excludes '$path' which the population pattern does not name — dead weight that reads as coverage"
continue
fi
if [[ -n "${ENUM[$path]:-}" ]]; then
fail "CONTRADICTORY EXCLUSION: line $lineno excludes '$path' which the surfaces already enumerate"
continue
fi
EXCLUDED["$path"]=1
done < "$EXCLUSIONS"
fi
# --- Direction A: disk population must be enumerated or signed-excluded ------
disk_total=0
unlisted=0
while IFS= read -r f; do
rel="${f#"$ROOT"/}"
in_population "$rel" || continue
disk_total=$(( disk_total + 1 ))
if [[ -z "${ENUM_POP[$rel]:-}" && -z "${EXCLUDED[$rel]:-}" ]]; then
fail "UNENUMERATED: '$rel' exists on disk but is neither enumerated on any CI surface nor signed in the exclusions file"
unlisted=$(( unlisted + 1 ))
fi
done < <(find "$TOOLS_DIR" -type f -name '*.sh' | sort)
if (( fail_count > 0 )); then
printf 'enumeration guard: %d failure(s) — population %d, enumerated (in-population) %d, excluded %d\n' \
"$fail_count" "$disk_total" "${#ENUM_POP[@]}" "${#EXCLUDED[@]}"
exit 1
fi
printf 'enumeration guard: OK — population %d, enumerated (in-population) %d, excluded (signed) %d, surfaces name %d path(s), all present on disk\n' \
"$disk_total" "${#ENUM_POP[@]}" "${#EXCLUDED[@]}" "${#ENUM[@]}"