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