#!/usr/bin/expect
############################################################################
# Purpose: Test of scontrol update job for heterogeneous jobs.
#
# Output:  "TEST: #.#" followed by "SUCCESS" if test was successful, OR
#          "FAILURE: ..." otherwise with an explanation of the failure, OR
#          anything else indicates a failure mode that must be investigated.
############################################################################
# Copyright (C) 2017 SchedMD LLC.
# Written by Isaac Hartung <ihartung@schedmd.com>
# 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 test_id     "38.10"

print_header $test_id
set prompt           "PROMPT: "

if {[test_front_end]} {
        send_user "\nWARNING: This test is incompatible with front-end systems\n"
        exit $exit_code
} elseif {[test_serial]} {
	set task_num 1
} else {
	set task_num 2
}

set def_part_name [default_partition]
set nb_nodes [get_node_cnt_in_part $def_part_name]
if {$nb_nodes < 3} {
	send_user "\nWARNING: Need 3 or more nodes in default partition\n"
	exit $exit_code
}

proc end_it { exit_code } {
	global pack_job_id scancel
	if {$pack_job_id > 0} {
		exec $scancel $pack_job_id
	}
	exit $exit_code
}

proc check { id tl matches } {
	global scontrol

	set count 0

	spawn $scontrol show job=$id
	expect {
		-re "TimeLimit=00:0$tl:00" {
			incr count
			exp_continue
		}
		timeout {
			log_error "scontrol not responding\n"
			end_it 1
		}
		eof {
			wait
		}
	}
	if {$count != $matches} {
		log_error "scontrol failure ($count != 3)\n"
		end_it 1
	}
}

set pack_job_id 0
set timeout $max_job_delay
spawn $salloc -t1 --exclusive -N1 : --exclusive -N1 : --exclusive -N1 $bin_bash
expect {
	-re "job ($number) has been allocated resources" {
		set pack_job_id $expect_out(1,string)
		send "export PS1=\"$prompt\"\r"
		exp_continue
	}
	-re "\"$prompt" {
		# skip this, just echo of setting prompt"
		exp_continue
	}
	-re "$prompt" {
		#send_user "Job initiated\n"
	}
	timeout {
		log_error "salloc : allocation not granted in $timeout seconds\n"
		end_it 1
	}
	eof {
		wait
	}
}
if {$pack_job_id == 0} {
	log_error "salloc failure\n"
	end_it 1
}

expect *

set timeout 3

check $pack_job_id 1 3

exec $scontrol update job=$pack_job_id Timelimit=2
check $pack_job_id 2 3

exec $scontrol update job=$pack_job_id+0 Timelimit=5
check $pack_job_id+0 5 1

exec $scontrol update job=$pack_job_id+1 Timelimit=6
check $pack_job_id+1 6 1

exec $scontrol update job=$pack_job_id+2 Timelimit=7
check $pack_job_id+2 7 1

check $pack_job_id+1 6 1
check $pack_job_id+0 5 1
check $pack_job_id 2 0

send_user "\nSUCCESS\n"
end_it 0
