hosts/test/remove.bats

#!/usr/bin/env bats

load test_helper

# `hosts remove` #################################################################

@test "\`remove\` with no arguments exits with status 1." {
  run "$_HOSTS" remove
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  [[ $status -eq 1 ]]
}

@test "\`remove\` with no argument does not change the hosts file." {
  _original="$(cat "${HOSTS_PATH}")"

  run "$_HOSTS" remove
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  [[ "$(cat "${HOSTS_PATH}")" == "${_original}" ]]
}

@test "\`remove\` with no arguments prints help information." {
  run "$_HOSTS" remove
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  [[ "${lines[0]}" == "Usage:" ]]
  [[ "${lines[1]}" == "  hosts remove (<ip> | <hostname> | <search string>) [--force]" ]]
}

# `hosts remove <invalid> --force` ############################################

@test "\`remove <invalid> --force\` exits with status 1." {
  {
    run "$_HOSTS" add 0.0.0.0 example.com
    run "$_HOSTS" add 0.0.0.0 example.net
    run "$_HOSTS" add 127.0.0.2 example.com
  }

  run "$_HOSTS" remove 127.0.0.3 --force
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  [[ $status -eq 1 ]]
}

@test "\`remove <invalid> --force\` prints error message." {
  {
    run "$_HOSTS" add 0.0.0.0 example.com
    run "$_HOSTS" add 0.0.0.0 example.net
    run "$_HOSTS" add 127.0.0.2 example.com
  }

  run "$_HOSTS" remove 127.0.0.3 --force
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  [[ $output == "No matching records found." ]]
}

# `hosts remove <ip> --force` #################################################

@test "\`remove <ip> --force\` exits with status 0." {
  {
    run "$_HOSTS" add 0.0.0.0 example.com
    run "$_HOSTS" add 0.0.0.0 example.net
    run "$_HOSTS" add 127.0.0.2 example.com
  }

  run "$_HOSTS" remove 127.0.0.2 --force
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  [[ $status -eq 0 ]]
}

@test "\`remove <ip> --force\` updates the hosts file." {
  {
    run "$_HOSTS" add 0.0.0.0 example.com
    run "$_HOSTS" add 0.0.0.0 example.net
    run "$_HOSTS" add 127.0.0.2 example.com
  }
  _original="$(cat "${HOSTS_PATH}")"

  run "$_HOSTS" remove 127.0.0.2 --force
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  _compare "${_original}" "$(cat "${HOSTS_PATH}")"
  [[ "$(sed -n '11p' "${HOSTS_PATH}")" == "0.0.0.0	example.com" ]]
  [[ "$(sed -n '12p' "${HOSTS_PATH}")" == "0.0.0.0	example.net" ]]
  [[ "$(sed -n '13p' "${HOSTS_PATH}")" == "" ]]
}

@test "\`remove <ip>\` removes all matches." {
  {
    run "$_HOSTS" add 0.0.0.0 example.com
    run "$_HOSTS" add 0.0.0.0 example.net
    run "$_HOSTS" add 0.0.0.0 example.dev
    run "$_HOSTS" add 127.0.0.2 example.com
    run "$_HOSTS" disable example.dev
  }
  _original="$(cat "${HOSTS_PATH}")"

  run "$_HOSTS" remove 0.0.0.0 --force
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  _expected="\
##
# Host Database
#
# localhost is used to configure the loopback interface
# when the system is booting.  Do not change this entry.
##
127.0.0.1	localhost
255.255.255.255	broadcasthost
::1             localhost
fe80::1%lo0	localhost
127.0.0.2	example.com"
  _compare "'$_expected'" "'$(cat "${HOSTS_PATH}")'"
  [[ "$(cat "${HOSTS_PATH}")" != "$_original" ]]
  [[ "$(cat "${HOSTS_PATH}")" == "$_expected" ]]
}

@test "\`remove <ip>\` prints feedback." {
  {
    run "$_HOSTS" add 0.0.0.0 example.com
    run "$_HOSTS" add 0.0.0.0 example.net
    run "$_HOSTS" add 127.0.0.2 example.com
  }

  run "$_HOSTS" remove 127.0.0.2 --force
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  [[ "${lines[0]}" == "Removed:" ]]
  [[ "${lines[1]}" == "127.0.0.2	example.com" ]]
}

# `hosts remove <hostname> --force` ###########################################

@test "\`remove <hostname> --force\` exits with status 0." {
  {
    run "$_HOSTS" add 0.0.0.0 example.com
    run "$_HOSTS" add 0.0.0.0 example.net
    run "$_HOSTS" add 127.0.0.2 example.com
  }

  run "$_HOSTS" remove example.com --force
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  [[ $status -eq 0 ]]
}

@test "\`remove <hostname> --force\` updates the hosts file." {
  {
    run "$_HOSTS" add 0.0.0.0 example.com
    run "$_HOSTS" add 0.0.0.0 example.net
    run "$_HOSTS" add 127.0.0.2 example.com
  }
  _original="$(cat "${HOSTS_PATH}")"

  run "$_HOSTS" remove example.com --force
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  _compare "${_original}" "$(cat "${HOSTS_PATH}")"
  [[ "$(sed -n '11p' "${HOSTS_PATH}")" == "0.0.0.0	example.net" ]]
  [[ "$(sed -n '12p' "${HOSTS_PATH}")" == "" ]]
}

@test "\`remove <hostname>\` removes all matches." {
  {
    run "$_HOSTS" add 0.0.0.0 example.com
    run "$_HOSTS" add 0.0.0.0 example.net
    run "$_HOSTS" add 0.0.0.0 example.dev
    run "$_HOSTS" add 127.0.0.2 example.com
    run "$_HOSTS" disable example.dev
  }
  _original="$(cat "${HOSTS_PATH}")"

  run "$_HOSTS" remove example.com --force
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  _expected="\
##
# Host Database
#
# localhost is used to configure the loopback interface
# when the system is booting.  Do not change this entry.
##
127.0.0.1	localhost
255.255.255.255	broadcasthost
::1             localhost
fe80::1%lo0	localhost
0.0.0.0	example.net
#disabled: 0.0.0.0	example.dev"
  _compare "'$_expected'" "'$(cat "${HOSTS_PATH}")'"
  [[ "$(cat "${HOSTS_PATH}")" != "$_original" ]]
  [[ "$(cat "${HOSTS_PATH}")" == "$_expected" ]]
}

@test "\`remove <hostname>\` prints feedback." {
  {
    run "$_HOSTS" add 0.0.0.0 example.com
    run "$_HOSTS" add 0.0.0.0 example.net
    run "$_HOSTS" add 127.0.0.2 example.com
  }

  run "$_HOSTS" remove example.com --force
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  _expected="\
Removed:
0.0.0.0	example.com
127.0.0.2	example.com"
  [[ "$output" == "$_expected" ]]
}

# help ########################################################################

@test "\`help remove\` exits with status 0." {
  run "$_HOSTS" help remove
  [[ $status -eq 0 ]]
}

@test "\`help remove\` prints help information." {
  run "$_HOSTS" help remove
  printf "\$status: %s\n" "$status"
  printf "\$output: '%s'\n" "$output"
  [[ "${lines[0]}" == "Usage:" ]]
  [[ "${lines[1]}" == "  hosts remove (<ip> | <hostname> | <search string>) [--force]" ]]
}