#!/usr/bin/env expect
############################################################################
# Purpose: Test of Slurm functionality
#          Test priorities assigned to jobs. Uses srun --hold and --batch options.
############################################################################
# Copyright (C) 2002 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 file_in              "test$test_id.input"
set job_id1              0
set job_id2              0
set job_id3              0
set prio1                -1
set prio2                -1
set prio3                -1
set multi                0

proc cleanup {} {
	global bin_rm file_in

	exec $bin_rm -f $file_in
}

# expected outcome is different under multifactor rule
if {[get_config_param "PriorityType"] eq "priority/multifactor"} {
	set multi 1
}


make_bash_script $file_in { $bin_pwd }

#
# Spawn three sbatch job, one held
#
set sbatch_pid [spawn $sbatch -t1 --output=/dev/null --error=/dev/null  $file_in]
expect {
	-re "Submitted batch job ($number)" {
		set job_id1 $expect_out(1,string)
		exp_continue
	}
	timeout {
		slow_kill $sbatch_pid
		fail "sbatch not responding"
	}
	eof {
		wait
	}
}
set sbatch_pid [spawn $sbatch -t1 --output=/dev/null --error=/dev/null $file_in]
expect {
	-re "Submitted batch job ($number)" {
                set job_id2 $expect_out(1,string)
                exp_continue
        }
        timeout {
                slow_kill $sbatch_pid
                fail "sbatch not responding"
        }
        eof {
		wait
        }
}
set sbatch_pid [spawn $sbatch -t1 --output=/dev/null --error=/dev/null --hold $file_in]
expect {
	-re "Submitted batch job ($number)" {
            set job_id3 $expect_out(1,string)
            exp_continue
        }
        timeout {
			slow_kill $sbatch_pid
            fail "srun not responding"
        }
        eof {
			wait
        }
}


#
# Get priority of each job
#
if {$job_id1 != 0} {
	spawn $scontrol show job $job_id1
	expect {
		-re "Priority=($number)" {
			set prio1 $expect_out(1,string)
			exp_continue
		}
		timeout {
			cancel_job $job_id1
			fail "scontrol not responding"
		}
		eof {
			wait
		}
	}
        if {[cancel_job $job_id1] != 0} {
		set exit_code   1
	}
} else {
	set exit_code   1
}
if {$job_id2 != 0} {
	spawn $scontrol show job $job_id2
    expect {
    	-re "Priority=($number)" {
        	set prio2 $expect_out(1,string)
            exp_continue
        }
        timeout {
            cancel_job $job_id2
            fail "scontrol not responding"
        }
        eof {
			wait
        }
	}
    if {[cancel_job $job_id2] != 0} {
		set exit_code   1
	}
} else {
        set exit_code   1
}
if {$job_id3 != 0} {
    spawn $scontrol show job $job_id3
    expect {
        -re "Priority=($number)" {
            set prio3 $expect_out(1,string)
            exp_continue
        }
        timeout {
            cancel_job $job_id3
            fail "scontrol not responding"
        }
        eof {
			wait
        }
    }
    if {[cancel_job $job_id3] != 0} {
		set exit_code   1
	}
} else {
        set exit_code   1
}

#
# Confirm reasonable values for the job priorities
#
if {$multi} {
	if {$prio1 != $prio2} {
		log_error "Job priorities are not same: $prio1 != $prio2 "
		set exit_code 1
	}
} else {
	if {$prio1 <= $prio2} {
		log_error "Job priorities are not decreasing: $prio1 <= $prio2 "
		set exit_code 1
	}
}
if {$prio3 != 0} {
	fail "Held job has non-zero priority: $prio3"
}

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