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|
#!/hint/bash
# Copyright © Tavian Barnes <tavianator@tavianator.com>
# SPDX-License-Identifier: 0BSD
## Running test cases
# ERR trap for tests
debug_err() {
local ret=$? line func file
callers | while read -r line func file; do
if [ "$func" = source ]; then
debug "$file" $line "${RED}error $ret${RST}" >&$DUPERR
break
fi
done
}
# Source a test
source_test() (
set -eE
trap debug_err ERR
if ((${#MAKE[@]})); then
# Close the jobserver pipes
exec {READY_PIPE}<&- {DONE_PIPE}>&-
fi
cd "$TMP"
source "$@"
)
# Run a test
run_test() {
if ((VERBOSE_ERRORS)); then
source_test "$1"
else
source_test "$1" 2>"$TMP/$TEST.err"
fi
ret=$?
if ((${#MAKE[@]})); then
# Write one byte to the done pipe
printf . >&$DONE_PIPE
fi
case $ret in
0)
if ((VERBOSE_TESTS)); then
color printf "${GRN}[PASS]${RST} ${BLD}%s${RST}\n" "$TEST"
fi
;;
$EX_SKIP)
if ((VERBOSE_SKIPPED || VERBOSE_TESTS)); then
color printf "${CYN}[SKIP]${RST} ${BLD}%s${RST}\n" "$TEST"
fi
;;
*)
if ((!VERBOSE_ERRORS)); then
cat "$TMP/$TEST.err" >&2
fi
color printf "${RED}[FAIL]${RST} ${BLD}%s${RST}\n" "$TEST"
;;
esac
return $ret
}
# Count the tests running in the background
BG=0
# Run a test in the background
bg_test() {
run_test "$1" &
((++BG))
}
# Reap a finished background test
reap_test() {
((BG--))
case "$1" in
0)
((++passed))
;;
$EX_SKIP)
((++skipped))
;;
*)
((++failed))
;;
esac
}
# Wait for a background test to finish
wait_test() {
local pid
while true; do
wait -n -ppid
ret=$?
if [ "${pid:-}" ]; then
break
elif ((ret > 128)); then
# Interrupted by signal
continue
else
debug "${BASH_SOURCE[0]}" $((LINENO - 3)) "${RED}error $ret${RST}" >&$DUPERR
exit 1
fi
done
reap_test $ret
}
# Wait until we're ready to run another test
wait_ready() {
if ((${#MAKE[@]})); then
# We'd like to parse the output of jobs -n, but we can't run it in a
# subshell or we won't get the right output
jobs -n >"$TMP/jobs"
while read -r job status ret foo; do
case "$status" in
Done)
reap_test 0
;;
Exit)
reap_test $ret
;;
esac
done <"$TMP/jobs"
# Read one byte from the ready pipe
read -r -N1 -u$READY_PIPE
elif ((BG >= JOBS)); then
wait_test
fi
}
# Run make as a co-process to use its job control
comake() {
coproc {
# We can't just use std{in,out}, due to
# https://www.gnu.org/software/make/manual/html_node/Parallel-Input.html
exec {DONE_PIPE}<&0 {READY_PIPE}>&1
exec "${MAKE[@]}" -s \
-f "$TESTS/tests.mk" \
DONE=$DONE_PIPE \
READY=$READY_PIPE \
"${!TEST_CASES[@]}" \
</dev/null >/dev/null
}
# coproc pipes aren't inherited by subshells, so dup them
exec {READY_PIPE}<&${COPROC[0]} {DONE_PIPE}>&${COPROC[1]}
}
# Print the current test progess
progress() {
if [ "${BAR:-}" ]; then
print_bar "$(printf "$@")"
elif ((VERBOSE_TESTS)); then
color printf "$@"
fi
}
# Run all the tests
run_tests() {
passed=0
failed=0
skipped=0
ran=0
total=${#TEST_CASES[@]}
TEST_FMT="${YLW}[%3d%%]${RST} ${BLD}%s${RST}\\n"
if ((${#MAKE[@]})); then
comake
fi
# Turn off set -e (but turn it back on in run_test)
set +e
if ((COLOR_STDOUT && !VERBOSE_TESTS)); then
show_bar
fi
for TEST in "${TEST_CASES[@]}"; do
wait_ready
if ((STOP && failed > 0)); then
break
fi
percent=$((100 * ran / total))
progress "${YLW}[%3d%%]${RST} ${BLD}%s${RST}\\n" $percent "$TEST"
mkdir -p "$TMP/$TEST"
OUT="$TMP/$TEST.out"
bg_test "$TESTS/$TEST.sh"
((++ran))
done
while ((BG > 0)); do
wait_test
done
if [ "${BAR:-}" ]; then
hide_bar
fi
if ((passed > 0)); then
color printf "${GRN}[PASS]${RST} ${BLD}%3d${RST} / ${BLD}%d${RST}\n" $passed $total
fi
if ((skipped > 0)); then
color printf "${CYN}[SKIP]${RST} ${BLD}%3d${RST} / ${BLD}%d${RST}\n" $skipped $total
fi
if ((failed > 0)); then
color printf "${RED}[FAIL]${RST} ${BLD}%3d${RST} / ${BLD}%d${RST}\n" $failed $total
exit 1
fi
}
## Utilities for the tests themselves
# Default return value for failed tests
EX_FAIL=1
# Fail the current test
fail() {
exit $EX_FAIL
}
# Return value when a test is skipped
EX_SKIP=77
# Skip the current test
skip() {
if ((VERBOSE_SKIPPED)); then
caller | {
read -r line file
debug "$file" $line "" >&$DUPOUT
}
fi
exit $EX_SKIP
}
# Run a command and check its exit status
check_exit() {
local expected="$1"
local actual=0
shift
"$@" || actual=$?
((actual == expected))
}
# Run a command with sudo
bfs_sudo() {
if ((${#SUDO[@]})); then
"${SUDO[@]}" "$@"
else
return 1
fi
}
# Get the inode number of a file
inum() {
ls -id "$@" | awk '{ print $1 }'
}
# Set an ACL on a file
set_acl() {
case "$UNAME" in
Darwin)
chmod +a "$(id -un) allow read,write" "$1"
;;
FreeBSD)
if (($(getconf ACL_NFS4 "$1") > 0)); then
setfacl -m "u:$(id -un):rw::allow" "$1"
else
setfacl -m "u:$(id -un):rw" "$1"
fi
;;
*)
setfacl -m "u:$(id -un):rw" "$1"
;;
esac
}
# Print a bfs invocation for --verbose=commands
bfs_verbose() {
if ((VERBOSE_COMMANDS)); then
(
# Close some fds to make room for the pipe,
# even with extremely low ulimit -n
exec >&- {DUPERR}>&-
exec >&$DUPOUT {DUPOUT}>&-
color bfs_verbose_impl "$@"
)
fi
}
bfs_verbose_impl() {
printf "${GRN}%q${RST}" "${BFS[0]}"
if ((${#BFS[@]} > 1)); then
printf " ${GRN}%q${RST}" "${BFS[@]:1}"
fi
local expr_started=0 color
for arg; do
case "$arg" in
-[A-Z]*|-[dsxf]|-j*
|