#!/bin/bash

usage() {
    echo "Usage: $0 tests-dir xml-out"
}

xml_out=$2
if [ -z "$xml_out" ]; then
  xml_out=/dev/null
fi
printf '<?xml version="1.0" encoding="UTF-8"?>\n' > "$xml_out"
printf '<testsuites name="tools.tests">\n' >> "$xml_out"
printf ' <testsuite name="tools.tests">\n' >> "$xml_out"
failed=
for f in "$1"/*; do
    if [ ! -x "$f" ]; then
        echo "SKIP: $f not executable"
        continue
    fi
    echo "Running $f"
    time_start=$EPOCHREALTIME
    "$f" 2>&1 | tee /tmp/out
    ret=${PIPESTATUS[0]}
    time_end=$EPOCHREALTIME
    time_delta="$(bc <<<"$time_end - $time_start")"
    printf '  <testcase name="%s" time="%f">\n' "$f" "$time_delta" >> "$xml_out"
    if [ "$ret" -ne 0 ]; then
        echo "FAILED: $f"
        failed+=" $f"
        printf '   <failure type="failure" message="binary %s exited with code %d">\n' "$f" "$ret" >> "$xml_out"
        printf '<![CDATA[' >> "$xml_out"
        # TODO: Escape ']]>' if necessary
        cat /tmp/out >> "$xml_out"
        printf ']]>\n' >> "$xml_out"
        printf '   </failure>\n' >> "$xml_out"
    else
        echo "PASSED"
    fi
    printf '  </testcase>\n' >> "$xml_out"
done
printf ' </testsuite>\n' >> "$xml_out"
printf '</testsuites>\n' >> "$xml_out"

if [ -n "$failed" ]; then
    exit 1
fi