#!/usr/bin/env bats

load ../../helpers
load ../mesos_helpers

function teardown() {
	swarm_manage_cleanup
	stop_mesos
	stop_docker
}

@test "mesos - docker stats" {
	TEMP_FILE=$(mktemp)
	start_docker_with_busybox 2
	start_mesos
	swarm_manage --cluster-driver mesos-experimental 127.0.0.1:$MESOS_MASTER_PORT

	# stats running container
	docker_swarm run -d -m 20m --name test_container busybox sleep 50

	# make sure container is up
	[ -n $(docker_swarm ps -q --filter=name=test_container --filter=status=running) ]

	# storage the stats output in TEMP_FILE
	# it will stop automatically when manager stop
	docker_swarm stats test_container > $TEMP_FILE &

	# retry until TEMP_FILE is not empty
	retry 5 1 eval "[ -s $TEMP_FILE ]"

	grep -q "CPU %" "$TEMP_FILE"
	grep -q "MEM USAGE" "$TEMP_FILE"
	grep -q "LIMIT" "$TEMP_FILE"

	rm -f $TEMP_FILE
}