2 # SPDX-License-Identifier: GPL-2.0
4 # Runs a set of tests in a given subdirectory.
7 export logfile=/dev/stdout
8 export per_test_logging=
10 # Defaults for "settings" file fields:
11 # "timeout" how many seconds to let each test run before running
12 # over our soft timeout limit.
13 export kselftest_default_timeout=45
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.
17 if [ -z "$BASE_DIR" ]; then
18 echo "Error: BASE_DIR must be set before sourcing." >&2
22 TR_CMD=$(command -v tr)
24 # If Perl is unavailable, we must fall back to line-at-a-time prefixing
25 # with sed instead of unbuffered output.
28 if [ ! -x /usr/bin/perl ]; then
31 "$BASE_DIR"/kselftest/prefix.pl
37 # Make sure tests will time out if utility is available.
38 if [ -x /usr/bin/timeout ] ; then
39 /usr/bin/timeout --foreground "$kselftest_timeout" $1
51 BASENAME_TEST=$(basename $TEST)
53 # Reset any "settings"-file variables.
54 export kselftest_timeout="$kselftest_default_timeout"
56 # Safe default if tr not available
57 kselftest_cmd_args_ref="KSELFTEST_ARGS"
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:
64 # KSELFTEST_<UPPERCASE_SANITIZED_TESTNAME>_ARGS="<options>"
68 # rtctest --> KSELFTEST_RTCTEST_ARGS="/dev/rtc1"
70 # cpu-on-off-test.sh --> KSELFTEST_CPU_ON_OFF_TEST_SH_ARGS="-a -p 10"
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"
80 # Load per-test-directory kselftest "settings" file.
81 settings="$BASE_DIR/$DIR/settings"
82 if [ -r "$settings" ] ; then
85 if echo "$line" | grep -q '^#'; then
88 field=$(echo "$line" | cut -d= -f1)
89 value=$(echo "$line" | cut -d= -f2-)
90 eval "kselftest_$field"="$value"
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"
99 echo "# timeout set to $kselftest_timeout" >> "$logfile"
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 $TEST_HDR_MSG"
108 if [ -x /usr/bin/stdbuf ]; then
109 stdbuf="/usr/bin/stdbuf --output=L "
111 eval kselftest_cmd_args="\$${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"
116 if [ $(head -n 1 "$TEST" | cut -c -2) = "#!" ]
118 interpreter=$(head -n 1 "$TEST" | cut -c 3-)
119 cmd="$stdbuf $interpreter ./$BASENAME_TEST"
121 echo "not ok $test_num $TEST_HDR_MSG"
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") ||
131 if [ $rc -eq $skip_rc ]; then \
132 echo "ok $test_num $TEST_HDR_MSG # SKIP"
133 elif [ $rc -eq $timeout_rc ]; then \
135 echo "not ok $test_num $TEST_HDR_MSG # TIMEOUT $kselftest_timeout seconds"
137 echo "not ok $test_num $TEST_HDR_MSG # exit=$rc"
145 echo "TAP version 13"
146 DIR="${PWD#${BASE_DIR}/}"
148 total=$(echo "$@" | wc -w)
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 > "$logfile"
157 run_one "$DIR" "$TEST" "$test_num"