#!/bin/bash

# SPDX-FileCopyrightText: 2021-2022 Ole Tange, http://ole.tange.dk and Free Software and Foundation, Inc.
#
# SPDX-License-Identifier: GPL-3.0-or-later

par_stdin() {
    echo '### bug #60579: Sem: Allow reading from stdin and setting -a'
    seq 10 | parallel --semaphore --id stdin wc
    seq 10 | parallel --semaphore --id stdin --fg wc
    tmp=$(mktemp)
    seq 10 > $tmp
    parallel -a $tmp --semaphore --id stdin wc
    parallel -a $tmp --semaphore --id stdin --fg wc
    parallel --semaphore --id stdin --wait
    # Should fail: More files are not supported
    parallel -a $tmp -a $tmp --semaphore --id stdin --fg wc
}

par_mutex() {
    echo '### Test mutex. This should not mix output'
    parallel --semaphore --id mutex -u seq 1 10 '|' pv -qL 20
    parallel --semaphore --id mutex -u seq 11 20 '|' pv -qL 100
    parallel --semaphore --id mutex --wait
    echo done
}

par_2jobs() {
    echo '### Test similar example as from man page - run 2 jobs simultaneously'
    echo 'Expect done: 1 2 5 3 4'
    for i in 5 1 2 3 4 ; do
	sleep 0.2
	echo Scheduling $i
	sem -j2 --id ex2jobs -u echo starting $i ";" sleep $i ";" echo done $i
    done
    sem --id ex2jobs --wait
}

par_fg_then_bg() {
    echo '### Test --fg followed by --bg'
    parallel -u --id fgbg --fg --semaphore seq 1 10 '|' pv -qL 30
    parallel -u --id fgbg --bg --semaphore seq 11 20 '|' pv -qL 30
    parallel -u --id fgbg --fg --semaphore seq 21 30 '|' pv -qL 30
    parallel -u --id fgbg --bg --semaphore seq 31 40 '|' pv -qL 30
    sem --id fgbg --wait
}

par_bg_p_should_error() {
    echo '### Test bug #33621: --bg -p should give an error message'
    stdout parallel -p --bg echo x{}
}

par_fg_line-buffer() {
    echo '### Failed on 20141226'
    sem --fg --line-buffer --id bugin20141226 echo OK
}

par_semaphore-timeout() {
    echo '### Test --st +1/-1'
    stdout sem --id st --line-buffer "echo A normal-start;sleep 3;echo C normal-end"
    stdout sem --id st --line-buffer --st 1 "echo B st1-start;sleep 3;echo D st1-end"
    stdout sem --id st --line-buffer --st -1 "echo ERROR-st-1-start;sleep 3;echo ERROR-st-1-end"
    stdout sem --id st --wait
}

export -f $(compgen -A function | grep par_)
compgen -A function | grep par_ | LC_ALL=C sort |
    parallel --timeout 3000% -j6 --tag -k --joblog /tmp/jl-`basename $0` '{} 2>&1' |
    perl -pe 's:/usr/bin:/bin:g'