tests/tapdiffer

   1 #! /bin/sh
   2 # SPDX-FileCopyrightText: Eric S. Raymond
   3 # SPDX-License-Identifier: BSD-2-Clause
   4 #
   5 # tapdiffer - Render diff between input and checkfile as a TAP report
   6 #
   7 # Usage: tapdiffer LEGEND CHECKFILE
   8 #
   9 # Output is a TAP report, ok if the diff is empty and not ok otherwise.
  10 # A nonempty diff is shipped as a TAP YAML block following "not ok"
  11 # unless QUIET=1 in the environment.
  12 #
  13 if [ "$1" = "-w" ]
  14 then
  15     diffopts=-ubZ
  16     shift
  17 else
  18     diffopts=-u
  19 fi
  20
  21 legend=$1
  22 checkfile=$2
  23
  24 trap 'rm /tmp/tapdiff$$' EXIT HUP INT QUIT TERM
  25
  26 if diff --text "${diffopts}" ${checkfile} - >/tmp/tapdiff$$
  27 then
  28         echo "ok - ${legend}"
  29 else
  30         echo "not ok - ${checkfile}: ${legend}"
  31         if [ ! "${QUIET}" = 1 ]
  32         then
  33                 echo "  --- |"
  34                 sed </tmp/tapdiff$$ -e 's/^/  /'
  35                 echo "  ..."
  36         fi
  37 fi
  38
  39 # end