#!/bin/bash

[ -f testing.sh ] && . testing.sh

#testing "name" "command" "result" "infile" "stdin"

# Systems with SELinux will have security context cruft,
# BSDs call the root group "wheel" instead,
# and Raspberry Pi OS has root also in the 117(lpadmin) group.
CLEAN="sed 's/ context=.*//g' | sed 's/wheel/root/g' | \
sed 's/117//g' | sed -E 's/\(?lpadmin\)?//g' | sed 's/[ ,]$//'"

testing "0" "id 0 | $CLEAN" "uid=0(root) gid=0(root) groups=0(root)\n" "" ""
testing "root" "id root | $CLEAN" \
  "uid=0(root) gid=0(root) groups=0(root)\n" "" ""
testing "-G root" "id -G root | $CLEAN" "0\n" "" ""
testing "-nG root" "id -nG root | $CLEAN" "root\n" "" ""
testing "-g root" "id -g root" "0\n" "" ""
testing "-ng root" "id -ng root | $CLEAN" "root\n" "" ""
testing "-u root" "id -u root" "0\n" "" ""
testing "-nu root" "id -nu root" "root\n" "" ""
testing "no-such-user" "id no-such-user 2>/dev/null ; echo \$?" "1\n" "" ""
testing "2147483647" "id 2147483647 2>/dev/null ; echo \$?" "1\n" "" ""