common/reference_output.sh

   1 #!/bin/sh
   2
   3 tmpfile=/tmp/test_reference_output$$.txt
   4
   5 cleanup()
   6 {
   7     if [ -f "${tmpfile}" ]; then
   8         echo removing "${tmpfile}"
   9         rm -f "${tmpfile}"
  10     fi
  11     exit 1
  12 }
  13
  14 trap cleanup 1 2 3 15
  15
  16 run_program()
  17 {
  18     program="${1}"
  19     filter="${2}"
  20     if [ "${filter}" = "" ]; then
  21         ${program}
  22     else
  23         ${program} | ${filter}
  24     fi
  25 }
  26
  27 usage()
  28 {
  29     echo "usage: $0 ( create | test ) <program> <reference_file> [ <filter> ]"
  30     exit 1
  31 }
  32
  33 command="${1}"
  34 program="${2}"
  35 ref_file="${3}"
  36 filter="${4}"
  37
  38 if [ "${ref_file}" = "" ]; then
  39     usage "${0}"
  40 fi
  41
  42 if [ "${program}" = "" ]; then
  43     usage "${0}"
  44 fi
  45
  46 if [ ! -f "${program}" ]; then
  47     echo "program '${program}' doesn't exit"
  48     exit 1
  49 fi
  50 if [ ! -x "${program}" ]; then
  51     program="sh ${program}"
  52 fi
  53 # echo "The program is ${program}"
  54
  55 if [ ! "${filter}" = "" ]; then
  56     if [ ! -f "${filter}" ]; then
  57         echo "filter '${filter}' doesn't exit"
  58         exit 1
  59     fi
  60     if [ ! -x "${filter}" ]; then
  61         filter="sh ${filter}"
  62     fi
  63 #    echo "The filter is ${filter}"
  64 else
  65     echo no filter
  66 fi
  67
  68 if [ "${command}" = "create" ]; then
  69     run_program "${program}" "${filter}" > "${ref_file}"
  70 elif [ "${command}" = "test" ]; then
  71     if [ ! -f "${ref_file}" ]; then
  72         echo "reference file '${ref_file}' doesn't exist"
  73         exit 1
  74     fi
  75     run_program "${program}" "${filter}" > "${tmpfile}"
  76     cmp "${tmpfile}" "${ref_file}"
  77     if [ ! $? -eq 0 ]; then
  78         echo FAILURE
  79         diff "${tmpfile}" "${ref_file}"
  80         exit 1
  81     fi
  82     echo SUCCESS
  83 else
  84     usage "${0}"
  85 fi
  86
  87 exit 0