#!/usr/bin/env expect
############################################################################
# Purpose: Validate sbatch hetjob environment variables.
#
# Reqs:    1. Using slurmdbd accounting storage type and is up
#          2. controllers are up and running.
############################################################################
# Copyright (C) SchedMD LLC.
#
# 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 job_id       0
set file_in      "$test_dir/input"
set file_out     "$test_dir/output"

if {[get_config_param "SchedulerType"] ne "sched/backfill"} {
	skip "This test requires SchedulerType = sched/backfill"
}

# find out if we have enough nodes to test functionality
set node_count [get_partition_param [default_partition] "TotalNodes"]
if { $node_count < 3 } {
	skip "Insufficient nodes in default partition ($node_count < 3)"
}

proc sbatch {} {
	global number sbatch file_in bin_sleep file_out job_id

	set matches 0
	set job_id 0
	set command "$sbatch -t1 -o $file_out $file_in"
	set regex "Submitted batch job ($number).+"

	spawn {*}$command
	expect {
		-re "Batch job submission failed" {
			skip "Unable to execute test due to system configuration"
		}
		-re "$regex" {
			incr matches
			set job_id $expect_out(1,string)

		}
		timeout {
			fail "sbatch not responding"
		}
		eof {
			wait
		}
	}
	if {$matches != 1} {
		fail "Batch submit failure"
	}
}

proc test_env {value} {
	global bin_cat file_out

	set matches 0
	log_user 0
	spawn $bin_cat $file_out
	expect {
		-re "$value" {
			incr matches
			exp_continue
		}
		eof {
			wait
		}
	}
	log_user 1
	if {$matches != 1} {
		fail "Output of env $value incorrect ($matches != 1)"
	}
}

proc cleanup { } {
	global job_id

	cancel_job $job_id
}

# Start test
make_bash_script $file_in "#SBATCH --cpus-per-task=4 --mem-per-cpu=10 --ntasks=1
#SBATCH hetjob
#SBATCH --cpus-per-task=2 --mem-per-cpu=2  --ntasks=1 -t1
#SBATCH hetjob
#SBATCH --cpus-per-task=1 --mem-per-cpu=6  --ntasks=1 -t1

env"

log_info "\n################################################################\n"
log_info "Submit hetjob and verify output from scontrol show job"
log_info "\n################################################################\n"

sbatch
if {$job_id == 0} {
	fail "Error submitting job ($job_id)"
}

#
# Check for desired output
#
wait_for_job -fail $job_id DONE
wait_for_file -fail $file_out

set matches 0

spawn $bin_cat $file_out
expect {
	-re "SLURM_HET_SIZE=3" {
		#once
		incr matches
		exp_continue
	}
	eof {
		wait
	}
}
if {$matches != 1} {
	fail "Output of env SLURM_HET_SIZE=3 incorrect ($matches != 1)"
}

set matches 0
log_user 0
spawn $bin_cat $file_out
expect {
	-re "SLURM_JOB_PARTITION_HET_GROUP" {
		#three
		incr matches
		exp_continue
	}
	eof {
		wait
	}
}
log_user 1
if {$matches != 3} {
	fail "Output of env SLURM_JOB_PARTITION_HET_GROUP incorrect ($matches != 3)"
}

test_env "SLURM_CPUS_PER_TASK_HET_GROUP_0=4"
test_env "SLURM_CPUS_PER_TASK_HET_GROUP_1=2"
test_env "SLURM_CPUS_PER_TASK_HET_GROUP_2=1"

test_env "SLURM_JOB_ID_HET_GROUP_0=$job_id"
test_env "SLURM_JOB_ID_HET_GROUP_1="
test_env "SLURM_JOB_ID_HET_GROUP_2="

test_env "SLURM_MEM_PER_CPU_HET_GROUP_0=10"
test_env "SLURM_MEM_PER_CPU_HET_GROUP_1=2"
test_env "SLURM_MEM_PER_CPU_HET_GROUP_2=6"

test_env "SLURM_NTASKS_HET_GROUP_0=1"
test_env "SLURM_NTASKS_HET_GROUP_1=1"
test_env "SLURM_NTASKS_HET_GROUP_2=1"