#!/bin/bash

# clean what was left from previous tests

rm -f ./.pt.db
rm -rf ./protected
mkdir protected
touch ./protected/do-not-remove ./protected/should-be-removed ./protected/truth ./protected/perm000 ./protected/perm777 ./protected/should-be-renamed ./protected/do-not-rename
chmod 777 ./protected/perm777 ./protected/perm000
echo "Free code, free world." >./protected/motto

# set up the fake-zenity

PATH="$(realpath ./mock/):$PATH"

# mount the filesystem

echo "Run $(date -u +%Y-%m-%dT%H:%M:%S) "
valgrind -s ../build/icfs -o default_permissions ./protected &

sleep 5

# create files

zenity --set-fake-response no
touch ./protected/should-not-exist 2>/dev/null &&
  echo "[ICFS-TEST]: touch can create protected/should-not-exist despite access being denied!" ||
  echo "[ICFS-TEST]: OK" # EACCESS

zenity --set-fake-response yes_tmp
touch ./protected/should-exist 2>/dev/null &&
  echo "[ICFS-TEST]: OK" ||
  echo "[ICFS-TEST]: touch cannot create protected/should-exist despite access being permitted!" # OK

# write to files

zenity --set-fake-response no
echo "Linux is a cancer that attaches itself in an intellectual property sense to everything it touches." >./protected/truth 2>/dev/null &&
  echo "[ICFS-TEST]: echo can write to protected/lie despite access being denied!" ||
  echo "[ICFS-TEST]: OK" # EACCESS

zenity --set-fake-response yes_tmp
echo "Sharing knowledge is the most fundamental act of friendship. Because it is a way you can give something without loosing something." >./protected/truth 2>/dev/null &&
  echo "[ICFS-TEST]: OK" ||
  echo "[ICFS-TEST]: echo cannot write to protected/truth despite access being permitted!" # OK

# Read files

zenity --set-fake-response no
cat ./protected/motto >/dev/null 2>/dev/null &&
  echo "[ICFS-TEST]: cat can read protected/this-only despite access being denied!" ||
  echo "[ICFS-TEST]: OK" # EACCESS

zenity --set-fake-response yes_tmp
cat ./protected/motto >/dev/null 2>/dev/null &&
  echo "[ICFS-TEST]: OK" ||
  echo "[ICFS-TEST]: echo cannot create protected/this-only despite access being permitted!" # "Free code, free world."

# remove files

zenity --set-fake-response no
rm ./protected/do-not-remove >/dev/null 2>/dev/null &&
  echo "[ICFS-TEST]: rm can unlink protected/do-not-remove despite access being denied!" ||
  echo "[ICFS-TEST]: OK" # EACCESS

zenity --set-fake-response yes_tmp
rm ./protected/should-be-removed >/dev/null 2>/dev/null &&
  echo "[ICFS-TEST]: OK" ||
  echo "[ICFS-TEST]: rm cannot unlink protected/should-be-removed despite access being permitted!" # OK

# rename files

zenity --set-fake-response no
mv ./protected/do-not-rename ./protected/terrible-name 2>/dev/null &&
  echo "[ICFS-TEST]: mv can rename protected/truth despite access being denied!" ||
  echo "[ICFS-TEST]: OK" # EACCESS
zenity --set-fake-response yes_tmp
mv ./protected/should-be-renamed ./protected/great-name 2>/dev/null &&
  echo "[ICFS-TEST]: OK" ||
  echo "[ICFS-TEST]: mv cannot rename should-be-removed to renamed-file despite access being permitted!" # OK

# change permissions

zenity --set-fake-response no
chmod 000 ./protected/perm777 2>/dev/null &&
  echo "[ICFS-TEST]: chmod can change permissions of protected/perm777 despite access being denied!" ||
  echo "[ICFS-TEST]: OK" # EACCESS
zenity --set-fake-response yes_tmp
chmod 000 ./protected/perm000 2>/dev/null &&
  echo "[ICFS-TEST]: OK" ||
  echo "[ICFS-TEST]: chmod cannot change permissions of protected/perm000 despite access being permitted!" # OK

# create files with permanent permissions

zenity --set-fake-response yes
touch ./protected/friendly 2>/dev/null &&
  echo "[ICFS-TEST]: OK" ||
  echo "[ICFS-TEST]: touch cannot create protected/friendly despite access being permitted!" # OK

zenity --set-fake-response no # this should be ignored
touch ./protected/friendly-again 2>/dev/null &&
  echo "[ICFS-TEST]: OK" ||
  echo "[ICFS-TEST]: touch cannot create protected/friendly-again despite access being permitted!" # OK

# unmount

sleep 0.5
#lsof +f -- $(realpath ./protected)
umount $(realpath ./protected)
sleep 0.5