#! /bin/sh
#
# How I run the sass-spec checker for rsass.
#
# Default run:
#     ./check-spec
# Regenerate the rust tests in tests/spec:
#     ./check-spec update-tests
# Just show which "basic" tests are still failing:
#     ./check-spec basic
# Generate stats to update lib.rs docs and readme:
#     ./check-spec stats
#
cd `dirname "$prog"`

case "$1" in
    "-u"|"--update")
	update="yes"
	shift
    ;;
esac

if [ -d sass-spec ]; then
    if [ "$update" == "yes" ]; then
	(cd sass-spec && git fetch >&2 && git rebase origin/main --autostash >&2)
    fi
else
   git clone https://github.com/sass/sass-spec.git >&2
fi

IMPL=dart-sass
check() {
    cargo build --release --bin rsass --features=unimplemented_args >&2 || exit 1
    echo "About to test $1"
    (cd sass-spec && \
         npm install && \
         npm run sass-spec -- --command '../target/release/rsass' --cmd-args='' --impl $IMPL -- $1)
}

list_fails() {
    grep ^SassSpec:: | sed -e 's#.*test__##' -e 's# .*##' | sort
}

case "$1" in
    "")
        check
        ;;
    "-h"|"--help"|"help")
	echo "$0 stats ;: Give stats for passes / fails suitable for docs."
	echo "$0 ;: just run all the tests"
	echo "$0 --help ;: print this help"
	echo "Other args will be used as test subset specifications."
	echo "Examples: basic core_functions selector-functions"
	echo "          scss parser values"
	;;
    "stats")
	check | \
            rg --text --no-line-number --no-unicode \
               '^(\d+) runs, (\d+) passing, (\d+) failures, (\d+) todo, (\d+) ignored, (\d+) errors' \
                 --replace 'echo "$0"; echo "Progress: $[$2] of $[$1-$4-$5] tests passed"' - \
            | bash
        ;;
    "update-tests")
	cargo run --release --bin=spectest && cargo fmt
	;;
    *)
        check spec/$1
	;;
esac
