test/units/TEST-17-UDEV.13.sh

   1 #!/usr/bin/env bash
   2 # SPDX-License-Identifier: LGPL-2.1-or-later
   3 set -ex
   4 set -o pipefail
   5
   6 # shellcheck source=test/units/util.sh
   7 . "$(dirname "$0")"/util.sh
   8
   9 # Test for `udevadm control -p`
  10
  11 test_not_property() {
  12     assert_eq "$(udevadm info --query property --property "$2" --value "$1")" ""
  13 }
  14
  15 test_property() {
  16     assert_eq "$(udevadm info --query property --property "$2" --value "$1")" "$3"
  17 }
  18
  19 # shellcheck disable=SC2317
  20 cleanup() {
  21     set +e
  22
  23     udevadm control -p FOO= -p BAR=
  24
  25     rm -f "$rules"
  26 }
  27
  28 # Set up a test device
  29 trap cleanup EXIT
  30
  31 rules="/run/udev/rules.d/99-test-17.13.rules"
  32
  33 mkdir -p "${rules%/*}"
  34 cat > "$rules" <<'EOF'
  35 ENV{FOO}=="?*", ENV{PROP_FOO}="$env{FOO}"
  36 ENV{BAR}=="?*", ENV{PROP_BAR}="$env{BAR}"
  37 EOF
  38
  39 udevadm control --reload
  40
  41 test_not_property /dev/null PROP_FOO
  42 test_not_property /dev/null PROP_BAR
  43
  44 : Setting of a property works
  45
  46 udevadm control --property FOO=foo
  47 udevadm trigger --action change --settle /dev/null
  48 test_property /dev/null PROP_FOO foo
  49 test_not_property /dev/null PROP_BAR
  50
  51 : Change of a property works
  52
  53 udevadm control --property FOO=goo
  54 udevadm trigger --action change --settle /dev/null
  55 test_property /dev/null PROP_FOO goo
  56
  57 : Removal of a property works
  58
  59 udevadm control --property FOO=
  60 udevadm trigger --action change --settle /dev/null
  61 test_not_property /dev/null PROP_FOO
  62
  63 : Repeated removal of a property does nothing
  64
  65 udevadm control --property FOO=
  66 udevadm trigger --action change --settle /dev/null
  67 test_not_property /dev/null PROP_FOO
  68
  69 : Multiple properties can be set at once
  70
  71 udevadm control --property FOO=foo --property BAR=bar
  72 udevadm trigger --action change --settle /dev/null
  73 test_property /dev/null PROP_FOO foo
  74 test_property /dev/null PROP_BAR bar
  75
  76 : Multiple setting of the same property is handled correctly
  77
  78 udevadm control --property FOO=foo --property FOO=42
  79 udevadm trigger --action change --settle /dev/null
  80 test_property /dev/null PROP_FOO 42
  81
  82 : Mix of settings and removals of the same property is handled correctly
  83
  84 udevadm control -p FOO= -p FOO=foo -p BAR=car -p BAR=
  85 udevadm trigger --action change --settle /dev/null
  86 test_property /dev/null PROP_FOO foo
  87 test_not_property /dev/null PROP_BAR
  88
  89 exit 0