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path: root/tests/custom/run_tests.sh
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#!/usr/bin/env bash

testdir=$(dirname "$0")
topdir=$(readlink -f "$testdir/../..")

line='........................................'
ucode_bin=${UCODE_BIN:-"$topdir/ucode"}
ucode_lib=${UCODE_LIB:-"$topdir"}

extract_sections() {
	local file=$1
	local dir=$2
	local count=0
	local tag line outfile

	while IFS= read -r line; do
		case "$line" in
			"-- Testcase --")
				tag="test"
				count=$((count + 1))
				outfile=$(printf "%s/%03d.in" "$dir" $count)
				printf "" > "$outfile"
			;;
			"-- Expect stdout --"|"-- Expect stderr --"|"-- Expect exitcode --")
				tag="${line#-- Expect }"
				tag="${tag% --}"
				count=$((count + 1))
				outfile=$(printf "%s/%03d.%s" "$dir" $count "$tag")
				printf "" > "$outfile"
			;;
			"-- End (no-eol) --")
				truncate -s -1 "$outfile"
				tag=""
				outfile=""
			;;
			"-- End --")
				tag=""
				outfile=""
			;;
			*)
				if [ -n "$tag" ]; then
					printf "%s\\n" "$line" >> "$outfile"
				fi
			;;
		esac
	done < "$file"

	return $(ls -l "$dir/"*.in 2>/dev/null | wc -l)
}

run_testcase() {
	local num=$1
	local dir=$2
	local in=$3
	local out=$4
	local err=$5
	local code=$6
	local fail=0

	(
		cd "$topdir"
		$ucode_bin -e '{ "REQUIRE_SEARCH_PATH": [ "'"$ucode_lib"'/*.so" ] }' -i - <"$in" >"$dir/res.out" 2>"$dir/res.err"
	)

	touch "$dir/empty"
	printf "%d\n" $? > "$dir/res.code"

	if ! cmp -s "$dir/res.err" "${err:-$dir/empty}"; then
		[ $fail = 0 ] && printf "!\n"
		printf "Testcase #%d: Expected stderr did not match:\n" $num
		diff -u --color=always --label="Expected stderr" --label="Resulting stderr" "${err:-$dir/empty}" "$dir/res.err"
		printf -- "---\n"
		fail=1
	fi

	if ! cmp -s "$dir/res.out" "${out:-$dir/empty}"; then
		[ $fail = 0 ] && printf "!\n"
		printf "Testcase #%d: Expected stdout did not match:\n" $num
		diff -u --color=always --label="Expected stdout" --label="Resulting stdout" "${out:-$dir/empty}" "$dir/res.out"
		printf -- "---\n"
		fail=1
	fi

	if [ -n "$code" ] && ! cmp -s "$dir/res.code" "$code"; then
		[ $fail = 0 ] && printf "!\n"
		printf "Testcase #%d: Expected exit code did not match:\n" $num
		diff -u --color=always --label="Expected code" --label="Resulting code" "$code" "$dir/res.code"
		printf -- "---\n"
		fail=1
	fi

	return $fail
}

run_test() {
	local file=$1
	local name=${file##*/}
	local res ecode eout eerr ein tests
	local testcase_first=0 failed=0 count=0

	printf "%s %s " "$name" "${line:${#name}}"

	mkdir "/tmp/test.$$"

	extract_sections "$file" "/tmp/test.$$"
	tests=$?

	[ -f "/tmp/test.$$/001.in" ] && testcase_first=1

	for res in "/tmp/test.$$/"[0-9]*; do
		case "$res" in
			*.in)
				count=$((count + 1))

				if [ $testcase_first = 1 ]; then
					# Flush previous test
					if [ -n "$ein" ]; then
						run_testcase $count "/tmp/test.$$" "$ein" "$eout" "$eerr" "$ecode" || failed=$((failed + 1))
						eout=""
						eerr=""
						ecode=""
					fi

					ein=$res
				else
					run_testcase $count "/tmp/test.$$" "$res" "$eout" "$eerr" "$ecode" || failed=$((failed + 1))

					eout=""
					eerr=""
					ecode=""
				fi

			;;
			*.stdout) eout=$res ;;
			*.stderr) eerr=$res ;;
			*.exitcode) ecode=$res ;;
		esac
	done

	# Flush last test
	if [ $testcase_first = 1 ] && [ -n "$eout$eerr$ecode" ]; then
		run_testcase $count "/tmp/test.$$" "$ein" "$eout" "$eerr" "$ecode" || failed=$((failed + 1))
	fi

	rm -r "/tmp/test.$$"

	if [ $failed = 0 ]; then
		printf "OK\n"
	else
		printf "%s %s FAILED (%d/%d)\n" "$name" "${line:${#name}}" $failed $tests
	fi

	return $failed
}


n_tests=0
n_fails=0

select_tests="$@"

use_test() {
	local input="$(readlink -f "$1")"
	local test

	[ -f "$input" ] || return 1
	[ -n "$select_tests" ] || return 0

	for test in "$select_tests"; do
		test="$(readlink -f "$test")"

		[ "$test" != "$input" ] || return 0
	done

	return 1
}

for catdir in "$testdir/"[0-9][0-9]_*; do
	[ -d "$catdir" ] || continue

	printf "\n##\n## Running %s tests\n##\n\n" "${catdir##*/[0-9][0-9]_}"

	for testfile in "$catdir/"[0-9][0-9]_*; do
		use_test "$testfile" || continue

		n_tests=$((n_tests + 1))
		run_test "$testfile" || n_fails=$((n_fails + 1))
	done
done

printf "\nRan %d tests, %d okay, %d failures\n" $n_tests $((n_tests - n_fails)) $n_fails
exit $n_fails