#!/usr/bin/env expect
############################################################################
# Purpose: Test of Slurm functionality
#          Confirm that a job executes with the proper task count (--ntasks
#          option).
############################################################################
# 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 file_in     "$test_dir/input"
set file_out    "$test_dir/output"
set tasks       0
set task_cnt    2
set job_id      0

proc cleanup {} {
	global job_id

	cancel_job $job_id
}

#
# Submit a slurm job that will execute 'id' on $task_cnt tasks (or try anyway)
#
file delete $file_in $file_out
make_bash_script $file_in "$srun $bin_id"
set no_run 0
spawn $sbatch --ntasks=$task_cnt --output=$file_out -t1 $file_in
expect {
	-re "Submitted batch job ($number)" {
		set job_id $expect_out(1,string)
		exp_continue
	}
	-re "Batch job submission failed" {
		log_debug "No worries, error not unexpected"
		set no_run 1
		exp_continue
	}
	timeout {
		fail "sbatch not responding"
	}
	eof {
		wait
	}
}
if {$job_id != 0} {
	spawn $scontrol show job $job_id
	expect {
		-re "NumCPUs=($number)" {
			set tasks $expect_out(1,string)
			exp_continue
		}
		timeout {
			fail "scontrol not responding"
		}
		eof {
			wait
		}
	}
	subtest {$tasks >= $task_cnt} "Verify sbatch --ntasks is satisfied"
	wait_for_job -fail $job_id "DONE"
	wait_for_file -fail $file_out
} else {
	if {$no_run == 0} {
		fail "sbatch failed to create job"
	}
}

#
# Submit a slurm job that will execute 'id' on 1 node and over task_cnt tasks
#
file delete $file_in $file_out
make_bash_script $file_in "$srun -n $task_cnt --overcommit $bin_id"
set job_id 0
set tasks  0
spawn $sbatch --ntasks=1 --output=$file_out -t1 $file_in
expect {
	-re "Submitted batch job ($number)" {
		set job_id $expect_out(1,string)
		exp_continue
	}
	timeout {
		fail "sbatch not responding"
	}
	eof {
		wait
	}
}
if { $job_id == 0 } {
	fail "Failed to submit job"
}

#
# Wait for job to complete
#
wait_for_job -fail $job_id "DONE"
wait_for_file -fail $file_out
spawn $bin_cat $file_out
expect {
	-re "uid=" {
		incr tasks
		exp_continue
	}
	eof {
		wait
	}
}
subtest {$task_cnt == $tasks} "Check for proper number of tasks" "$task_cnt != $tasks"