gfpsgo/test/pids.bats

#!/usr/bin/env bats

@test "Get process information of one process only (init)" {
	pid="1"
	run ./bin/gfpsgo -pids "${pid:?}" -format "user,pid,ppid"
	[ "${status:-}" -eq 0 ]
	[[ ${lines[0]} =~ ^USER\ +PID\ +PPID$ ]]
	[[ ${lines[1]} =~ ^root\ +${pid:?}\ +0$ ]]
}

@test "Get process information of a set of running containers" {
	nCtrs=5
	pidsList=()
	ctridList=()
	for ((i = 1; i <= nCtrs; i++)); do
		ctridList[${i:?}]="$(docker run -d busybox sleep 60)"
		pidsList[${i:?}]="$(docker inspect --format '{{.State.Pid}}' "${ctridList[${i:?}]:?}")"
	done

	pids="$(tr ' ' ',' <<< "${pidsList[@]:?}")"

	run ./bin/gfpsgo -pids "${pids:?}" -format "pid,comm"

	[ "${status:-}" -eq 0 ]
	[[ ${lines[0]} =~ ^PID\ +COMMAND$ ]]
	for ((i = 1; i <= nCtrs; i++)); do
		[[ ${lines[${i:?}]} =~ ^${pidsList[${i:?}]}\ +sleep$ ]]
		docker rm -f "${ctridList[${i:?}]:?}"
	done
}

@test "Return error on both --pid and --pids options" {
	run ./bin/gfpsgo -pid 1 --pids 1,2,3
	[[ ! ${status:-} -eq 0 ]]
}

@test "Process information with --pids vs all processes" {
	nCtrs=5
	pidsList=()
	ctridList=()
	for ((i = 1; i <= nCtrs; i++)); do
		ctridList[${i:?}]="$(docker run -d busybox sleep 60)"
		pidsList[${i:?}]="$(docker inspect --format '{{.State.Pid}}' "${ctridList[${i:?}]:?}")"
	done

	pids="$(tr ' ' ',' <<< "${pidsList[@]:?}")"

	run ./bin/gfpsgo --pids "${pids:?}" -format "user,group,pid,ppid,tty,nice,capeff"
	[ "${status:-}" -eq 0 ]
	[[ ${lines[0]} =~ ^USER\ +GROUP\ +PID\ +PPID\ +TTY\ +NI\ +EFFECTIVE\ CAPS$ ]]

	run ./bin/gfpsgo -format "user,group,pid,ppid,tty,nice,capeff"
	[ "${status:-}" -eq 0 ]
	[[ ${lines[0]} =~ ^USER\ +GROUP\ +PID\ +PPID\ +TTY\ +NI\ +EFFECTIVE\ CAPS$ ]]

	for ((i = 1; i <= nCtrs; i++)); do
		docker rm -f "${ctridList[${i:?}]:?}"
	done
}