1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# 4# Runs a set of tests in a given subdirectory. 5export skip_rc=4 6export timeout_rc=124 7export logfile=/dev/stdout 8export per_test_logging= 9 10# Defaults for "settings" file fields: 11# "timeout" how many seconds to let each test run before running 12# over our soft timeout limit. 13export kselftest_default_timeout=45 14 15# There isn't a shell-agnostic way to find the path of a sourced file, 16# so we must rely on BASE_DIR being set to find other tools. 17if [ -z "$BASE_DIR" ]; then 18 echo "Error: BASE_DIR must be set before sourcing." >&2 19 exit 1 20fi 21 22TR_CMD=$(command -v tr) 23 24# If Perl is unavailable, we must fall back to line-at-a-time prefixing 25# with sed instead of unbuffered output. 26tap_prefix() 27{ 28 if [ ! -x /usr/bin/perl ]; then 29 sed -e 's/^/# /' 30 else 31 "$BASE_DIR"/kselftest/prefix.pl 32 fi 33} 34 35tap_timeout() 36{ 37 # Make sure tests will time out if utility is available. 38 if [ -x /usr/bin/timeout ] ; then 39 /usr/bin/timeout --foreground "$kselftest_timeout" $1 40 else 41 $1 42 fi 43} 44 45run_one() 46{ 47 DIR="$1" 48 TEST="$2" 49 NUM="$3" 50 51 BASENAME_TEST=$(basename $TEST) 52 53 # Reset any "settings"-file variables. 54 export kselftest_timeout="$kselftest_default_timeout" 55 56 # Safe default if tr not available 57 kselftest_cmd_args_ref="KSELFTEST_ARGS" 58 59 # Optional arguments for this command, possibly defined as an 60 # environment variable built using the test executable in all 61 # uppercase and sanitized substituting non acceptable shell 62 # variable name characters with "_" as in: 63 # 64 # KSELFTEST_<UPPERCASE_SANITIZED_TESTNAME>_ARGS="<options>" 65 # 66 # e.g. 67 # 68 # rtctest --> KSELFTEST_RTCTEST_ARGS="/dev/rtc1" 69 # 70 # cpu-on-off-test.sh --> KSELFTEST_CPU_ON_OFF_TEST_SH_ARGS="-a -p 10" 71 # 72 if [ -n "$TR_CMD" ]; then 73 BASENAME_SANITIZED=$(echo "$BASENAME_TEST" | \ 74 $TR_CMD -d "[:blank:][:cntrl:]" | \ 75 $TR_CMD -c "[:alnum:]_" "_" | \ 76 $TR_CMD [:lower:] [:upper:]) 77 kselftest_cmd_args_ref="KSELFTEST_${BASENAME_SANITIZED}_ARGS" 78 fi 79 80 # Load per-test-directory kselftest "settings" file. 81 settings="$BASE_DIR/$DIR/settings" 82 if [ -r "$settings" ] ; then 83 while read line ; do 84 # Skip comments. 85 if echo "$line" | grep -q '^#'; then 86 continue 87 fi 88 field=$(echo "$line" | cut -d= -f1) 89 value=$(echo "$line" | cut -d= -f2-) 90 eval "kselftest_$field"="$value" 91 done < "$settings" 92 fi 93 94 # Command line timeout overrides the settings file 95 if [ -n "$kselftest_override_timeout" ]; then 96 kselftest_timeout="$kselftest_override_timeout" 97 echo "# overriding timeout to $kselftest_timeout" >> "$logfile" 98 else 99 echo "# timeout set to $kselftest_timeout" >> "$logfile" 100 fi 101 102 TEST_HDR_MSG="selftests: $DIR: $BASENAME_TEST" 103 echo "# $TEST_HDR_MSG" 104 if [ ! -e "$TEST" ]; then 105 echo "# Warning: file $TEST is missing!" 106 echo "not ok $test_num $TEST_HDR_MSG" 107 else 108 if [ -x /usr/bin/stdbuf ]; then 109 stdbuf="/usr/bin/stdbuf --output=L " 110 fi 111 eval kselftest_cmd_args="\$${kselftest_cmd_args_ref:-}" 112 cmd="$stdbuf ./$BASENAME_TEST $kselftest_cmd_args" 113 if [ ! -x "$TEST" ]; then 114 echo "# Warning: file $TEST is not executable" 115 116 if [ $(head -n 1 "$TEST" | cut -c -2) = "#!" ] 117 then 118 interpreter=$(head -n 1 "$TEST" | cut -c 3-) 119 cmd="$stdbuf $interpreter ./$BASENAME_TEST" 120 else 121 echo "not ok $test_num $TEST_HDR_MSG" 122 return 123 fi 124 fi 125 cd `dirname $TEST` > /dev/null 126 ((((( tap_timeout "$cmd" 2>&1; echo $? >&3) | 127 tap_prefix >&4) 3>&1) | 128 (read xs; exit $xs)) 4>>"$logfile" && 129 echo "ok $test_num $TEST_HDR_MSG") || 130 (rc=$?; \ 131 if [ $rc -eq $skip_rc ]; then \ 132 echo "ok $test_num $TEST_HDR_MSG # SKIP" 133 elif [ $rc -eq $timeout_rc ]; then \ 134 echo "#" 135 echo "not ok $test_num $TEST_HDR_MSG # TIMEOUT $kselftest_timeout seconds" 136 else 137 echo "not ok $test_num $TEST_HDR_MSG # exit=$rc" 138 fi) 139 cd - >/dev/null 140 fi 141} 142 143run_many() 144{ 145 echo "TAP version 13" 146 DIR="${PWD#${BASE_DIR}/}" 147 test_num=0 148 total=$(echo "$@" | wc -w) 149 echo "1..$total" 150 for TEST in "$@"; do 151 BASENAME_TEST=$(basename $TEST) 152 test_num=$(( test_num + 1 )) 153 if [ -n "$per_test_logging" ]; then 154 logfile="/tmp/$BASENAME_TEST" 155 cat /dev/null > "$logfile" 156 fi 157 run_one "$DIR" "$TEST" "$test_num" 158 done 159} 160