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   1 # Common helper routines for test shell scripts
   2 # -- intended to be sourced by them
   3
   4 tmpfile="`mktemp`"
   5 trap '
   6         rm -f "$tmpfile"
   7         exit "$failed"
   8 ' 0 1 2 15
   9 failed=0
  10
  11 #fake sleeps 60 secounds and then reads all input
  12 mmh_test_fakepager()
  13 {
  14         sleep 60
  15
  16         while read a
  17         do
  18                 sleep 0
  19         done
  20         exit 0
  21 }
  22
  23 test_skip()
  24 {
  25         echo "$0: $1"
  26         failed=120
  27         exit
  28 }
  29
  30 # portable implementation of 'which' utility
  31 findprog()
  32 {
  33         FOUND=
  34         PROG="$1"
  35         IFS_SAVE="$IFS"
  36         IFS=:
  37         for D in $PATH; do
  38                 if [ -z "$D" ]; then
  39                         D=.
  40                 fi
  41                 if [ -f "$D/$PROG" ] && [ -x "$D/$PROG" ]; then
  42                         printf '%s\n' "$D/$PROG"
  43                         break
  44                 fi
  45         done
  46         IFS="$IFS_SAVE"
  47 }
  48
  49 require_prog()
  50 {
  51         if [ -z "$(findprog $1)" ]; then
  52                 test_skip "missing $1"
  53         fi
  54 }
  55
  56 require_locale()
  57 {
  58         for locale in "$@"; do
  59                 if locale -a | grep -i "$locale" >/dev/null; then
  60                         return
  61                 fi
  62         done
  63         test_skip "no suitable locale available"
  64 }
  65
  66 # Do a best guess at FQDN
  67 mh_hostname()
  68 {
  69         hostname -f 2>/dev/null || uname -n
  70 }
  71
  72 # Some stuff for doing silly progress indicators
  73 progress_update()
  74 {
  75         test -t 1 || return 0   # suppress progress meter if non-interactive
  76         this="$1"
  77         first="$2"
  78         last="$3"
  79         range="$(expr $last - $first ||:)"
  80         prog="$(expr $this - $first ||:)"
  81         # this automatically rounds to nearest integer
  82         perc="$(expr 100 \* $prog / $range ||:)"
  83         # note \r so next update will overwrite
  84         printf "%3d%%\r" $perc
  85 }
  86
  87 progress_done()
  88 {
  89         test -t 1 || return 0   # suppress progress meter if non-interactive
  90         printf "100%%\n"
  91 }
  92
  93
  94 #### Replace generated Content-ID headers with static value
  95 replace_contentid()
  96 {
  97         sed "/^Content-ID/s/:.*/: <TESTID>/" "$@"
  98 }
  99
 100
 101 #### Filter that squeezes blank lines, partially emulating GNU cat -s,
 102 #### but sufficient for our purpose.
 103 #### From http://www-rohan.sdsu.edu/doc/sed.html, compiled by Eric Pement.
 104 squeeze_lines()
 105 {
 106         sed '/^$/N;/\n$/D'
 107 }
 108
 109 #### Filter that converts non-breakable space U+00A0 to an ASCII space.
 110 prepare_space()
 111 {
 112         sed 's/'"`printf '\\302\\240'`"'/ /g'
 113 }
 114
 115
 116 # first argument:       command line to run
 117 # second argument:      "normspace" to normalize the whitespace
 118 # stdin:                expected output
 119 runandcheck()
 120 {
 121         if [ "$2" = "normspace" ]; then
 122                 eval "$1" 2>&1 | prepare_space >"$tmpfile"
 123                 diff="`prepare_space | diff -ub - "$tmpfile" || :`"
 124         else
 125                 eval "$1" >"$tmpfile" 2>&1
 126                 diff="`diff -u - "$tmpfile"`"
 127         fi
 128
 129         if [ "$diff" ]; then
 130                 echo "$0: $1 failed"
 131                 echo "$diff"
 132                 failed=`expr "${failed:-0}" + 1`
 133         fi
 134 }