#!/usr/bin/env expect
############################################################################
# Purpose: Test of Slurm functionality
#          Confirm that a job allocates the proper processor count (--ntasks)
############################################################################
# Copyright (C) 2002-2006 The Regents of the University of California.
# Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
# Written by Morris Jette <jette1@llnl.gov>
# CODE-OCEC-09-009. All rights reserved.
#
# This file is part of Slurm, a resource management program.
# For details, see <https://slurm.schedmd.com/>.
# Please also read the included file: DISCLAIMER.
#
# Slurm is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# Slurm is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along
# with Slurm; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA.
############################################################################
source ./globals

set exit_code   0
set job_id      0

for {set inx 1} {$inx < 4} {set inx [expr $inx * 2]} {
	set tasks_set $inx
	set tasks_get 0
	set timeout $max_job_delay
	set salloc_pid [spawn $salloc -n$tasks_set -t1 $bin_bash]
	expect {
		-re "Granted job allocation ($number)" {
			set job_id $expect_out(1,string)
			send "$scontrol show job $job_id\r"
			exp_continue
		}
		-re "NumCPUs=($number).*" {
			set tasks_get $expect_out(1,string)
			send "exit\r"
			exp_continue
		}
		-re "allocate failed" {
			log_debug "This error is not unexpected, no worries"
			set tasks_get $tasks_set
		}
		timeout {
			log_error "salloc not responding"
			if {$job_id != 0} {
				cancel_job $job_id
			}
			slow_kill [expr 0 - $salloc_pid]
			set exit_code 1
		}
		eof {
			if {$tasks_get < $tasks_set} {
				log_error "Did not get proper number of tasks: $tasks_get < $tasks_set"
				set exit_code 1
			} else {
				log_debug "Test of $tasks_get processors good"
			}
			wait
		}
	}
}

if {$exit_code != 0} {
	fail "Test failed due to previous errors (\$exit_code = $exit_code)"
}