tools/testing/selftests/kselftest/runner.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 #
   4 # Runs a set of tests in a given subdirectory.
   5 export skip_rc=4
   6 export logfile=/dev/stdout
   7 export per_test_logging=
   8
   9 # There isn't a shell-agnostic way to find the path of a sourced file,
  10 # so we must rely on BASE_DIR being set to find other tools.
  11 if [ -z "$BASE_DIR" ]; then
  12         echo "Error: BASE_DIR must be set before sourcing." >&2
  13         exit 1
  14 fi
  15
  16 # If Perl is unavailable, we must fall back to line-at-a-time prefixing
  17 # with sed instead of unbuffered output.
  18 tap_prefix()
  19 {
  20         if [ ! -x /usr/bin/perl ]; then
  21                 sed -e 's/^/# /'
  22         else
  23                 "$BASE_DIR"/kselftest/prefix.pl
  24         fi
  25 }
  26
  27 run_one()
  28 {
  29         DIR="$1"
  30         TEST="$2"
  31         NUM="$3"
  32
  33         BASENAME_TEST=$(basename $TEST)
  34
  35         TEST_HDR_MSG="selftests: $DIR: $BASENAME_TEST"
  36         echo "# $TEST_HDR_MSG"
  37         if [ ! -x "$TEST" ]; then
  38                 echo -n "# Warning: file $TEST is "
  39                 if [ ! -e "$TEST" ]; then
  40                         echo "missing!"
  41                 else
  42                         echo "not executable, correct this."
  43                 fi
  44                 echo "not ok $test_num $TEST_HDR_MSG"
  45         else
  46                 cd `dirname $TEST` > /dev/null
  47                 (((((./$BASENAME_TEST 2>&1; echo $? >&3) |
  48                         tap_prefix >&4) 3>&1) |
  49                         (read xs; exit $xs)) 4>>"$logfile" &&
  50                 echo "ok $test_num $TEST_HDR_MSG") ||
  51                 (if [ $? -eq $skip_rc ]; then   \
  52                         echo "not ok $test_num $TEST_HDR_MSG # SKIP"
  53                 else
  54                         echo "not ok $test_num $TEST_HDR_MSG"
  55                 fi)
  56                 cd - >/dev/null
  57         fi
  58 }
  59
  60 run_many()
  61 {
  62         echo "TAP version 13"
  63         DIR=$(basename "$PWD")
  64         test_num=0
  65         total=$(echo "$@" | wc -w)
  66         echo "1..$total"
  67         for TEST in "$@"; do
  68                 BASENAME_TEST=$(basename $TEST)
  69                 test_num=$(( test_num + 1 ))
  70                 if [ -n "$per_test_logging" ]; then
  71                         logfile="/tmp/$BASENAME_TEST"
  72                         cat /dev/null > "$logfile"
  73                 fi
  74                 run_one "$DIR" "$TEST" "$test_num"
  75         done
  76 }