#!/usr/bin/env expect
############################################################################
# Purpose: Test of Slurm functionality
#          Verify that user environment variables are propagated to the job
############################################################################
# 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 test_env_name    "TEST_ENV_$test_id"
set test_env_val     123
set exit_code        0
set file_in         "test$test_id.input"
set file_out        "test$test_id.output"
set job_id           0

proc cleanup {} {
	global bin_rm file_in file_out

	exec $bin_rm -f $file_in $file_out
}

global env
set env($test_env_name) $test_env_val

#
# Delete left-over input script
# Build input script file
#
exec $bin_rm -f $file_in $file_out
make_bash_script $file_in "
  $bin_env
"

#
# Spawn a job via sbatch to print environment variables
#
set matches 0
spawn $sbatch -N1 -t1 --export=$test_env_name=$test_env_val --output=$file_out $file_in
expect {
	-re "Submitted batch job ($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
#
if {[wait_for_job $job_id "DONE"] != 0} {
	log_error "Waiting for job to complete"
	cancel_job $job_id
	set exit_code 1
}

#
# Check for desired output
#
if {[wait_for_file $file_out] != 0} {
	fail "Output file $file_out is missing"
}
spawn $bin_cat $file_out
expect {
	-re "$test_env_name=($number)" {
		if {$expect_out(1,string) == $test_env_val} {
			incr matches
		} else {
			log_debug "NO MATCHX${expect_out(1,string)}X${test_env_val}X"
		}
		exp_continue
	}
	eof {
		wait
	}
}
# Match to "SLURM_EXPORT_ENV=TEST_ENV_17.14=123" and "TEST_ENV_17.14=123"
if {$matches != 2} {
	fail "Environment variables not propagated from command line ($matches != 2)"
}

#
# Spawn a job via sbatch to print environment variables
#
exec $bin_rm -f $file_out
set matches 0
set env($test_env_name) $test_env_val
spawn $sbatch -N1 -t1 --output=$file_out $file_in
expect {
	-re "Submitted batch job ($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
#
if {[wait_for_job $job_id "DONE"] != 0} {
	log_error "Waiting for job to complete"
	cancel_job $job_id
	set exit_code 1
}

#
# Check for desired output
#
if {[wait_for_file $file_out] != 0} {
	fail "Output file $file_out is missing"
}
spawn $bin_cat $file_out
expect {
	-re "$test_env_name=($number)" {
		if {$expect_out(1,string) == $test_env_val} {
			incr matches
		}
		exp_continue
	}
	eof {
		wait
	}
}
if {$matches != 1} {
	fail "Environment variables not propagated ($matches != 1)"
}

#
# Spawn a job via sbatch to print environment variables with --export=ALL
#
exec $bin_rm -f $file_out
set matches 0
set env($test_env_name) $test_env_val
spawn $sbatch -N1 -t1 --export=ALL --output=$file_out $file_in
expect {
	-re "Submitted batch job ($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
#
if {[wait_for_job $job_id "DONE"] != 0} {
	log_error "Waiting for job to complete"
	cancel_job $job_id
	set exit_code 1
}

#
# Check for desired output
#
if {[wait_for_file $file_out] != 0} {
	fail "Output file $file_out is missing"
}
spawn $bin_cat $file_out
expect {
	-re "$test_env_name=($number)" {
		if {$expect_out(1,string) == $test_env_val} {
			incr matches
		}
		exp_continue
	}
	eof {
		wait
	}
}
if {$matches != 1} {
	fail "Environment variables not propagated ($matches != 1)"
}

#
# Spawn a job via sbatch to print environment variables with --export=NONE
#
exec $bin_rm -f $file_out
set matches 0
set env($test_env_name) $test_env_val
spawn $sbatch -N1 -t1 --export=NONE --output=$file_out $file_in
expect {
	-re "Submitted batch job ($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
#
if {[wait_for_job $job_id "DONE"] != 0} {
	log_error "Waiting for job to complete"
	cancel_job $job_id
	set exit_code 1
}

#
# Check for desired output
#
if {[wait_for_file $file_out] != 0} {
	fail "Output file $file_out is missing"
}
spawn $bin_cat $file_out
expect {
	-re "$test_env_name=($number)" {
		if {$expect_out(1,string) == $test_env_val} {
			incr matches
		}
		exp_continue
	}
	eof {
		wait
	}
}
if {$matches != 0} {
	fail "Environment variables were propagated ($matches != 0)"
}

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