#!/usr/bin/env expect
############################################################################
# Purpose: Test of Slurm functionality
#          Test PBS/qsub -l gpu options
############################################################################
# Copyright (C) 2020 SchedMD LLC
# Written by Brian Christiansen <brian@schedmd.com>
#
# 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.,
# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
############################################################################
source ./globals

set node_cnt 1
set ppn_cnt 1
set gpu_req_cnt 1
set time_str "00:02:00"
set job_id 0

set file_in     "test$test_id.input"

if {[file executable $qsub] == 0} {
	skip "$qsub not found"
}

set nb_nodes [get_node_cnt_in_part]
if {$nb_nodes > 1} {
	set nb_nodes 2
}
set gpu_cnt [get_highest_gres_count $nb_nodes "gpu"]
if {$gpu_cnt < 1} {
	skip "This test requires 1 or more GPUs on $nb_nodes nodes of the default partition"
}

set node_name [get_nodes_by_request "--gres=gpu:1 -n1 -t1"]
if { [llength $node_name] != 1 } {
	skip "This test need to be able to submit jobs with at least --gres=gpu:1"
}
set ppn_cnt [get_node_param $node_name "CPUTot"]

proc cleanup {} {
	global job_id
	cancel_job $job_id
}

proc test_job {} {
	global number job_id time_str ppn_cnt gpu_req_cnt scontrol
	set job_id 0
	expect {
		-re "($number)" {
			set job_id $expect_out(1,string)
			exp_continue
		}
		timeout {
			fail "sbatch not responding"
		}
		eof {
			wait
		}
	}

	if {!$job_id} {
		fail "failed to submit job"
	}


	set matches 0
	spawn $scontrol show job $job_id
	expect {
		-re "TimeLimit=$time_str" {
			incr matches
			exp_continue
		}
		-re "NumCPUs=$ppn_cnt" {
			incr matches
			exp_continue
		}
		-re "TresPerNode=gpu:$gpu_req_cnt" {
			incr matches
			exp_continue
		}
		timeout {
			fail "sbatch not responding"
		}
		eof {
			wait
		}
	}
	if {$matches != 3} {
		fail "Didn't match $matches != 3"
	}

	cancel_job $job_id
}


set options [list \
	"-l nodes=$node_cnt:ppn=$ppn_cnt,accelerator=true,walltime=$time_str" \
	"-l nodes=$node_cnt:ppn=$ppn_cnt,naccelerators=$gpu_req_cnt,walltime=$time_str" \
	"-l nodes=$node_cnt:ppn=$ppn_cnt:gpus=$gpu_req_cnt,walltime=$time_str" \
]

# Test sbatch #PBS -l nodes
foreach option $options {
	make_bash_script $file_in "
#PBS $option
$bin_sleep 120"
	spawn $sbatch -H -o /dev/null $file_in
	test_job
	exec $bin_rm $file_in
}


# Test qsub -l nodes
make_bash_script $file_in "
$bin_sleep 120"
foreach option $options {
	spawn {*}"$qsub -h $option -o /dev/null $file_in"
	test_job
}
exec $bin_rm $file_in