no_ok_stats.bats

#!/usr/bin/env bats

load helpers

function teardown(){
        swarm_manage_cleanup
        stop_docker
}

@test "docker show contianer stats" {
        TEMP_FILE=$(mktmp)
        start_docker 3
        swarm_manage
        # stats running container 
        run docker_swarm run -d --name test_container busybox sleep 50
        [ "$status" -eq 0 ]

        # make sure container is up
        run docker_swarm ps -l
        [ "${#lines[@]}" -eq 2 ]
        [[ "${lines[1]}" == *"test_container"* ]]
        [[ "${lines[1]}" == *"Up"* ]]

        # storage the real time output of stats in TEMP_FILE
        run docker_swarm stats test_container > $TEMP_FILE &
        [ "$status" -eq 0 ]
        
        # make sure TEMP_FILE is not empty
        sleep 3
        [ -s $TEMP_FILE ]
        
        # if "CPU %" in TEMP_FILE, status is 0
        run grep "CPU %" $TEMP_FILE
        [ "$status" -eq 0 ]
        run grep "MEM USAGE/LIMIT" $TEMP_FILE
        [ "$status" -eq 0 ]
}