#!/bin/bash

# OTTER_JST_VERBOSE=1

set -e
self=jstest/run1
src="${0%/$self}"
fail () { echo >&2 "$self: error: $*"; exit 1; }
[ "x$src/$self" = "x$0" ] || fail "mismatch $src/$self $0"

t=${1##*/}
t=${t%%.*}

tmp=tmp/js-$t
rm -rf $tmp
mkdir -p $tmp
cd $tmp

ln -s ../../target/jstest/otter_wasm{.js,_bg.wasm} .

export NODE_PATH=.
ln -sf "$@" .

if grep '^\/\/ @expect' $1; then
	sed -n <$1 '
		/^\/\/ @@expect/,/^\/\/ @@end/ {
			s/^\/\/ //;
			/^@@/d;
			p;
		}
	' >expect
else
	rm -f expect
fi
wrap=$(sed -n 's/^\/\/ @@wrap //p' $1)

case "$wrap" in
'')	;;
*/*)	fail "uh $wrap" ;;
*)	wrap=../../target/debug/$wrap
esac

exec 3>run.js
sed >&3 <script.js '/^\/\/@@notest/,/^\/\/@@/d'
cat >&3 $t.nodejs
exec 3>&-

set +e
$wrap nodejs run.js >output
rc=$?
set -e

if [ $rc != 0 ] || [ "$OTTER_JST_VERBOSE" ]; then
	cat output ||:
fi

if test -f expect; then
	diff -u expect output
fi

exit $rc