t/parallel-tests-concurrency.sh

   1 #! /bin/sh
   2 # Copyright (C) 2009-2012 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # Check parallel-tests features:
  18 # - concurrent parallel execution
  19
  20 . ./defs || exit 1
  21
  22 case $MAKE in
  23   *\ -j*) skip_ "\$MAKE contains '-j'";;
  24 esac
  25
  26 if using_gmake; then
  27   j=-j
  28 else
  29   unindent > Makefile <<END
  30     all: one two
  31     one:
  32         $sleep && test -f two
  33     two:
  34         echo ok > \$@
  35 END
  36   for j in "-j" "-j " NONE; do
  37     if test x"$j" = xNONE; then
  38       skip_ "can't run make in parallel mode"
  39     fi
  40     $MAKE ${j}2 all >output 2>&1 || continue
  41     $EGREP -i "(warning|error):|-j[\"\'\` ]" output && continue
  42     break
  43   done
  44   rm -f one output Makefile
  45 fi
  46
  47 cat >> configure.ac << 'END'
  48 AC_OUTPUT
  49 END
  50
  51 cat > Makefile.am << 'END'
  52 TESTS =
  53 END
  54
  55 cat > x <<'END'
  56 #! /bin/sh
  57 echo "this is $0"
  58 # Creative quoting below to please maintainer-check.
  59 sleep '1'
  60 exit 0
  61 END
  62 chmod a+x ./x
  63
  64 mkdir sub
  65 for i in 1 2 3; do
  66   echo "TESTS += foo$i.test" >> Makefile.am
  67   cp x foo$i.test
  68   echo "TESTS += zap$i" >> Makefile.am
  69   cp x zap$i
  70   echo "TESTS += sub/bar$i.test" >> Makefile.am
  71   cp x sub/bar$i.test
  72   echo "TESTS += sub/mu$i" >> Makefile.am
  73   cp x sub/mu$i
  74 done
  75
  76 $ACLOCAL
  77 $AUTOCONF
  78 $AUTOMAKE -a
  79
  80 for build in serial parallel; do
  81   mkdir $build
  82   cd $build
  83   ../configure
  84   $MAKE
  85   cd ..
  86 done
  87
  88 cd serial
  89 $MAKE ${j}1 check &
  90 cd ../parallel
  91 $sleep
  92 # Use append mode here to avoid dropping output.  See automake bug#11413.
  93 : > stdout
  94 $MAKE ${j}4 check >> stdout
  95 cd ..
  96 # Ensure the tests are really being run in parallel mode: if this is
  97 # the case, the serial run of the dummy testsuite started above should
  98 # still be ongoing when the parallel one has terminated.
  99 kill -0 $!
 100 cat parallel/stdout
 101 test $(grep -c '^PASS:' parallel/stdout) -eq 12
 102
 103 # Wait long enough so that there are no open files any more when the
 104 # post-test cleanup runs.  But exit after we've waited for two minutes
 105 # or more, to avoid testsuite hangs in unusual situations (this has
 106 # already happened).
 107 i=1
 108 while test ! -f serial/test-suite.log && test $i -le 120; do
 109   i=$(($i + 1))
 110   sleep '1' # Extra quoting to please maintainer-check.
 111 done
 112 $sleep
 113
 114 :