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-rw-r--r--tools/testing/selftests/kselftest/runner.sh148
1 files changed, 148 insertions, 0 deletions
diff --git a/tools/testing/selftests/kselftest/runner.sh b/tools/testing/selftests/kselftest/runner.sh
new file mode 100644
index 000000000..1333ab1ed
--- /dev/null
+++ b/tools/testing/selftests/kselftest/runner.sh
@@ -0,0 +1,148 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Runs a set of tests in a given subdirectory.
+export skip_rc=4
+export timeout_rc=124
+export logfile=/dev/stdout
+export per_test_logging=
+
+# Defaults for "settings" file fields:
+# "timeout" how many seconds to let each test run before failing.
+export kselftest_default_timeout=45
+
+# There isn't a shell-agnostic way to find the path of a sourced file,
+# so we must rely on BASE_DIR being set to find other tools.
+if [ -z "$BASE_DIR" ]; then
+ echo "Error: BASE_DIR must be set before sourcing." >&2
+ exit 1
+fi
+
+TR_CMD=$(command -v tr)
+
+# If Perl is unavailable, we must fall back to line-at-a-time prefixing
+# with sed instead of unbuffered output.
+tap_prefix()
+{
+ if [ ! -x /usr/bin/perl ]; then
+ sed -e 's/^/# /'
+ else
+ "$BASE_DIR"/kselftest/prefix.pl
+ fi
+}
+
+tap_timeout()
+{
+ # Make sure tests will time out if utility is available.
+ if [ -x /usr/bin/timeout ] ; then
+ /usr/bin/timeout --foreground "$kselftest_timeout" \
+ /usr/bin/timeout "$kselftest_timeout" $1
+ else
+ $1
+ fi
+}
+
+run_one()
+{
+ DIR="$1"
+ TEST="$2"
+ NUM="$3"
+
+ BASENAME_TEST=$(basename $TEST)
+
+ # Reset any "settings"-file variables.
+ export kselftest_timeout="$kselftest_default_timeout"
+
+ # Safe default if tr not available
+ kselftest_cmd_args_ref="KSELFTEST_ARGS"
+
+ # Optional arguments for this command, possibly defined as an
+ # environment variable built using the test executable in all
+ # uppercase and sanitized substituting non acceptable shell
+ # variable name characters with "_" as in:
+ #
+ # KSELFTEST_<UPPERCASE_SANITIZED_TESTNAME>_ARGS="<options>"
+ #
+ # e.g.
+ #
+ # rtctest --> KSELFTEST_RTCTEST_ARGS="/dev/rtc1"
+ #
+ # cpu-on-off-test.sh --> KSELFTEST_CPU_ON_OFF_TEST_SH_ARGS="-a -p 10"
+ #
+ if [ -n "$TR_CMD" ]; then
+ BASENAME_SANITIZED=$(echo "$BASENAME_TEST" | \
+ $TR_CMD -d "[:blank:][:cntrl:]" | \
+ $TR_CMD -c "[:alnum:]_" "_" | \
+ $TR_CMD [:lower:] [:upper:])
+ kselftest_cmd_args_ref="KSELFTEST_${BASENAME_SANITIZED}_ARGS"
+ fi
+
+ # Load per-test-directory kselftest "settings" file.
+ settings="$BASE_DIR/$DIR/settings"
+ if [ -r "$settings" ] ; then
+ while read line ; do
+ # Skip comments.
+ if echo "$line" | grep -q '^#'; then
+ continue
+ fi
+ field=$(echo "$line" | cut -d= -f1)
+ value=$(echo "$line" | cut -d= -f2-)
+ eval "kselftest_$field"="$value"
+ done < "$settings"
+ fi
+
+ TEST_HDR_MSG="selftests: $DIR: $BASENAME_TEST"
+ echo "# $TEST_HDR_MSG"
+ if [ ! -e "$TEST" ]; then
+ echo "# Warning: file $TEST is missing!"
+ echo "not ok $test_num $TEST_HDR_MSG"
+ else
+ eval kselftest_cmd_args="\$${kselftest_cmd_args_ref:-}"
+ cmd="./$BASENAME_TEST $kselftest_cmd_args"
+ if [ ! -x "$TEST" ]; then
+ echo "# Warning: file $TEST is not executable"
+
+ if [ $(head -n 1 "$TEST" | cut -c -2) = "#!" ]
+ then
+ interpreter=$(head -n 1 "$TEST" | cut -c 3-)
+ cmd="$interpreter ./$BASENAME_TEST"
+ else
+ echo "not ok $test_num $TEST_HDR_MSG"
+ return
+ fi
+ fi
+ cd `dirname $TEST` > /dev/null
+ ((((( tap_timeout "$cmd" 2>&1; echo $? >&3) |
+ tap_prefix >&4) 3>&1) |
+ (read xs; exit $xs)) 4>>"$logfile" &&
+ echo "ok $test_num $TEST_HDR_MSG") ||
+ (rc=$?; \
+ if [ $rc -eq $skip_rc ]; then \
+ echo "ok $test_num $TEST_HDR_MSG # SKIP"
+ elif [ $rc -eq $timeout_rc ]; then \
+ echo "#"
+ echo "not ok $test_num $TEST_HDR_MSG # TIMEOUT $kselftest_timeout seconds"
+ else
+ echo "not ok $test_num $TEST_HDR_MSG # exit=$rc"
+ fi)
+ cd - >/dev/null
+ fi
+}
+
+run_many()
+{
+ echo "TAP version 13"
+ DIR="${PWD#${BASE_DIR}/}"
+ test_num=0
+ total=$(echo "$@" | wc -w)
+ echo "1..$total"
+ for TEST in "$@"; do
+ BASENAME_TEST=$(basename $TEST)
+ test_num=$(( test_num + 1 ))
+ if [ -n "$per_test_logging" ]; then
+ logfile="/tmp/$BASENAME_TEST"
+ cat /dev/null > "$logfile"
+ fi
+ run_one "$DIR" "$TEST" "$test_num"
+ done
+}