#!/usr/bin/env bats

load ../helpers

function teardown() {
	swarm_manage_cleanup
	stop_docker
}

@test "docker diff" {
	start_docker_with_busybox 2
	swarm_manage
	run docker_swarm run -d --name test_container busybox sleep 500
	[ "$status" -eq 0 ]

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

	# no changs
	run docker_swarm diff test_container
	[ "$status" -eq 0 ]
	[ "${#lines[@]}" -eq 0 ]

	# make changes on container's filesystem
	run docker_swarm exec test_container touch /home/diff.txt
	[ "$status" -eq 0 ]
	# verify
	run docker_swarm diff test_container
	[ "$status" -eq 0 ]
	[[ "${lines[*]}" ==  *"diff.txt"* ]]
}