#!/usr/bin/env expect
############################################################################
# Purpose: Test of Slurm functionality
#          Test of partition specification on job submission (--partition
#          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 def_part_name    ""
set exit_code        0
set file_in          "test$test_id.input"
set job_id           0
set other_part_name  ""

#
# Identify the partitions in the cluster, identifying the default
#
spawn $sinfo --summarize
expect {
	-re "($end_of_line)($re_word_str) *up" {
		set last [string last "*" $expect_out(2,string)]
		if { $last != -1 } {
			set def_part_name   [string range $expect_out(2,string)	0 [expr $last-1]]
		} else {
			set other_part_name $expect_out(2,string)
		}
		exp_continue
	}
	-re "Unable to contact" {
		fail "Slurm appears to be down"
	}
	timeout {
		log_error "sinfo not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

#
# Submit a job explicitly to the default partition
#
set job_id  0
set timeout $max_job_delay
set salloc_pid [spawn $salloc --partition=$def_part_name -t1 $bin_sleep 1]
expect {
	-re "Granted job allocation ($number)" {
		set job_id $expect_out(1,string)
		exp_continue
	}
	timeout {
		log_error "salloc not responding"
		if {$job_id != 0} {
			cancel_job $job_id
		}
		slow_kill [expr 0 - $salloc_pid]
		set exit_code 1
	}
	eof {
		wait
	}
}
# Confirm the job's partition
if {$job_id == 0} {
	log_error "Job submit failure"
	set exit_code 1
} else {
	set read_part ""
	spawn $scontrol show job $job_id
	expect {
		-re "Partition=($re_word_str)" {
			set read_part $expect_out(1,string)
			exp_continue
		}
		timeout {
			log_error "scontrol not responding"
			set exit_code 1
		}
		eof {
			wait
		}
	}
	if ([string compare $read_part $def_part_name]) {
		log_error "Improper partition selected"
		set exit_code 1
	}
	cancel_job $job_id
}

#
# Test if a non-default partition exists, terminate if none
#
if (![string compare $other_part_name ""]) {
	skip "Can't test salloc partition option only the default partition exists"
}

#
# Submit job explicitly to a non-default partition
#
set job_id          0
set legit_failure   0
set salloc_pid [spawn $salloc --partition=$other_part_name -t1 $bin_sleep 1]
expect {
	-re "Required node not available" {
		set legit_failure 1
		exec $bin_kill -INT $salloc_pid
		exp_continue
	}
	-re "Granted job allocation ($number)" {
		set job_id $expect_out(1,string)
		exp_continue
	}
	timeout {
		log_error "srun not responding"
		if {$job_id != 0} {
			cancel_job $job_id
		}
		slow_kill [expr 0 - $salloc_pid]
		set exit_code 1
	}
	eof {
		wait
	}
}
# Confirm the job's partition
if {$legit_failure == 1} {
	log_warn "Partition '$other_part_name' is not usable"
} elseif {$job_id == 0} {
	log_error "Batch submit failure"
	set exit_code 1
} else {
	set read_part ""
	spawn $scontrol show job $job_id
	expect {
		-re "Partition=($re_word_str)" {
			set read_part $expect_out(1,string)
			exp_continue
		}
		timeout {
			log_error "scontrol not responding"
			set exit_code 1
		}
		eof {
			wait
		}
	}
	if ([string compare $read_part $other_part_name]) {
		log_error "Improper partition selected"
		set exit_code 1
	}
	cancel_job $job_id
}

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