#!/bin/sh
# Run the Statum markdown test suites.
#
# Builds the vendored QuickJS interpreter if no `qjs` is on PATH, then runs
# the hand-written regression suite and the CommonMark spec conformance
# suite. Exits non-zero when regressions fail or the spec score drops below
# the target rate.
#
# Usage: tests/markdown/run.sh [-v]  (-v lists every failing spec example)
set -e
cd "$(dirname "$0")/../.."

ROOT=$(pwd)
QJS="$ROOT/tools/qjs/qjs"
TARGET=95

if ! command -v qjs >/dev/null 2>&1; then
  echo "== building vendored QuickJS =="
  "$ROOT/tools/qjs/build.sh"
else
  QJS=$(command -v qjs)
fi

echo "== regressions =="
"$QJS" "$ROOT/tests/markdown/regressions.js"

echo ""
echo "== CommonMark 0.31.2 spec =="
# -v (or any second argument) makes spec-test.js print each failing example
"$QJS" "$ROOT/tests/markdown/spec-test.js" "${1:-}"

# spec-test.js prints "TOTAL  <pass>/<total> <rate>%"; re-derive the rate from
# a quiet rerun so the gate below cannot be fooled by the verbose listing.
SCORE=$("$QJS" "$ROOT/tests/markdown/spec-test.js" | grep '^  TOTAL' | sed 's/.* \([0-9.]*\)%$/\1/')
echo ""
echo "spec score: ${SCORE}% (target ${TARGET}%)"

# compare as integers to avoid depending on awk float handling
PASSING=$(echo "$SCORE" | cut -d. -f1)
if [ "$PASSING" -lt "$TARGET" ]; then
  echo "FAIL: spec conformance ${SCORE}% is below the ${TARGET}% target"
  exit 1
fi
echo "OK"