#!/bin/bash

tool_a="/opt/rdlink/rdlink.sh"
tool_b="$(command -v readlink) -f"

test_links=( "Valid links"
  "/dev/stdin"
  "$HOME/tmp/a"*
  "$HOME/tmp/a 3"
  "/bin/adb"
)

test_all=( "Test everything starting from /"
  /**/*
)

test_args=( "Tests from command line"
  "$@"
)

totest=(
  test_links
)

[[ "$@" ]] && totest=(test_args)

rl::test() {
  local i=0
  local ra=
  local rb=
  local path=
  local testarray=
  local testend=0

  for testarray in "${totest[@]}"; do
    i=0
    testarray="$testarray"[@]
    for path in "${!testarray}"; do
      
      if (( ! i )); then
        # Print title in array element 0
        printf "         ### %s ###\n" "$path"
      else
        # Execute tests
        printf -- "%-3d --- %-30s ---" $i "$path"
        ra="$(${tool_a} "$path")"
        rb="$(${tool_b} "$path")"
        if [[ "$ra" = "$rb" ]]; then
          # Test successful
          printf " OK\n"
        else
          # Test failed
          printf " FAIL\n"
          printf "\n Result:\n%s\n%s\n" "$ra" "$rb"
          printf "\n Subject:\n"
          ls -al "$path"

          # Print debug output of tool_a
          printf "\n Debug:\n"
          ( "${tool_a}" -d "${path}" )

          testend=1 && break
        fi
      fi

      ((i++))
    done
    (( testend )) && break
  done
}

time rl::test