test/udev-test.pl

   1 #!/usr/bin/perl
   2
   3 # udev-test
   4 #
   5 # Provides automated testing of the udev binary.
   6 # The whole test is self contained in this file, except the matching sysfs tree.
   7 # Simply extend the @tests array, to add a new test variant.
   8 #
   9 # Every test is driven by its own temporary config file.
  10 # This program prepares the environment, creates the config and calls udev.
  11 #
  12 # udev reads the config, looks at the provided sysfs and
  13 # first creates and then removes the device node.
  14 # After creation and removal the result is checked against the
  15 # expected value and the result is printed.
  16 #
  17 # happy testing,
  18 # Kay Sievers <kay.sievers@vrfy.org>, 2003
  19
  20
  21 use warnings;
  22 use strict;
  23
  24 my $PWD = $ENV{PWD};
  25 my $sysfs     = "sys/";
  26 my $udev_bin  = "../udev";
  27 my $udev_root = "udev-root/"; # !!! directory will be removed !!!
  28 my $udev_db   = ".udev.tdb";
  29 my $perm      = "udev.permissions";
  30 my $main_conf = "udev-test.conf";
  31 my $conf_tmp  = "udev-test.rules";
  32
  33
  34 my @tests = (
  35         {
  36                 desc     => "label test of scsi disc",
  37                 subsys   => "block",
  38                 devpath  => "block/sda",
  39                 expected => "boot_disk" ,
  40                 conf     => <<EOF
  41 LABEL, BUS="scsi", vendor="IBM-ESXS", NAME="boot_disk%n"
  42 REPLACE, KERNEL="ttyUSB0", NAME="visor""
  43 EOF
  44         },
  45         {
  46                 desc     => "label test of scsi partition",
  47                 subsys   => "block",
  48                 devpath  => "block/sda/sda1",
  49                 expected => "boot_disk1" ,
  50                 conf     => <<EOF
  51 LABEL, BUS="scsi", vendor="IBM-ESXS", NAME="boot_disk%n"
  52 EOF
  53         },
  54         {
  55                 desc     => "catch device by *",
  56                 subsys   => "tty",
  57                 devpath  => "class/tty/ttyUSB0",
  58                 expected => "visor/0" ,
  59                 conf     => <<EOF
  60 REPLACE, KERNEL="ttyUSB*", NAME="visor/%n"
  61 EOF
  62         },
  63         {
  64                 desc     => "catch device by ?",
  65                 subsys   => "tty",
  66                 devpath  => "class/tty/ttyUSB0",
  67                 expected => "visor/0" ,
  68                 conf     => <<EOF
  69 REPLACE, KERNEL="ttyUSB??*", NAME="visor/%n-1"
  70 REPLACE, KERNEL="ttyUSB??", NAME="visor/%n-2"
  71 REPLACE, KERNEL="ttyUSB?", NAME="visor/%n"
  72 EOF
  73         },
  74         {
  75                 desc     => "catch device by character class",
  76                 subsys   => "tty",
  77                 devpath  => "class/tty/ttyUSB0",
  78                 expected => "visor/0" ,
  79                 conf     => <<EOF
  80 REPLACE, KERNEL="ttyUSB[A-Z]*", NAME="visor/%n-1"
  81 REPLACE, KERNEL="ttyUSB?[0-9]", NAME="visor/%n-2"
  82 REPLACE, KERNEL="ttyUSB[0-9]*", NAME="visor/%n"
  83 EOF
  84         },
  85         {
  86                 desc     => "replace kernel name",
  87                 subsys   => "tty",
  88                 devpath  => "class/tty/ttyUSB0",
  89                 expected => "visor" ,
  90                 conf     => <<EOF
  91 REPLACE, KERNEL="ttyUSB0", NAME="visor"
  92 EOF
  93         },
  94         {
  95                 desc     => "subdirectory handling",
  96                 subsys   => "tty",
  97                 devpath  => "class/tty/ttyUSB0",
  98                 expected => "sub/direct/ory/visor" ,
  99                 conf     => <<EOF
 100 REPLACE, KERNEL="ttyUSB0", NAME="sub/direct/ory/visor"
 101 EOF
 102         },
 103         {
 104                 desc     => "place on bus of scsi partition",
 105                 subsys   => "block",
 106                 devpath  => "block/sda/sda3",
 107                 expected => "first_disk3" ,
 108                 conf     => <<EOF
 109 TOPOLOGY, BUS="scsi", PLACE="0:0:0:0", NAME="first_disk%n"
 110 EOF
 111         },
 112         {
 113                 desc     => "test NAME substitution chars",
 114                 subsys   => "block",
 115                 devpath  => "block/sda/sda3",
 116                 expected => "Major:8:minor:3:kernelnumber:3:bus:0:0:0:0" ,
 117                 conf     => <<EOF
 118 TOPOLOGY, BUS="scsi", PLACE="0:0:0:0", NAME="Major:%M:minor:%m:kernelnumber:%n:bus:%b"
 119 EOF
 120         },
 121         {
 122                 desc     => "callout result substitution",
 123                 subsys   => "block",
 124                 devpath  => "block/sda/sda3",
 125                 expected => "special-device-3" ,
 126                 conf     => <<EOF
 127 CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n special-device", ID="-special-*", NAME="%c-1-%n"
 128 CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n special-device", ID="special--*", NAME="%c-2-%n"
 129 CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n special-device", ID="special-device-", NAME="%c-3-%n"
 130 CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n special-device", ID="special-devic", NAME="%c-4-%n"
 131 CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n special-device", ID="special-*", NAME="%c-%n"
 132 EOF
 133         },
 134         {
 135                 desc     => "callout program substitution",
 136                 subsys   => "block",
 137                 devpath  => "block/sda/sda3",
 138                 expected => "test-0:0:0:0" ,
 139                 conf     => <<EOF
 140 CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n test-%b", ID="test-*", NAME="%c"
 141 EOF
 142         },
 143         {
 144                 desc     => "devfs disk naming substitution",
 145                 subsys   => "block",
 146                 devpath  => "block/sda",
 147                 expected => "lun0/disk" ,
 148                 conf     => <<EOF
 149 LABEL, BUS="scsi", vendor="IBM-ESXS", NAME="lun0/%D"
 150 EOF
 151         },
 152         {
 153                 desc     => "devfs disk naming substitution",
 154                 subsys   => "block",
 155                 devpath  => "block/sda/sda2",
 156                 expected => "lun0/part2" ,
 157                 conf     => <<EOF
 158 LABEL, BUS="scsi", vendor="IBM-ESXS", NAME="lun0/%D"
 159 EOF
 160         },
 161         {
 162                 desc     => "callout bus type",
 163                 subsys   => "block",
 164                 devpath  => "block/sda",
 165                 expected => "scsi-0:0:0:0" ,
 166                 conf     => <<EOF
 167 CALLOUT, BUS="usb", PROGRAM="/bin/echo -n usb-%b", ID="*", NAME="%c"
 168 CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n scsi-%b", ID="*", NAME="%c"
 169 CALLOUT, BUS="foo", PROGRAM="/bin/echo -n foo-%b", ID="*", NAME="%c"
 170 EOF
 171         },
 172 );
 173
 174 # set env
 175 $ENV{UDEV_TEST} = "yes";
 176 $ENV{SYSFS_PATH} = $sysfs;
 177 $ENV{UDEV_CONFIG_FILE} = $main_conf;
 178
 179
 180 sub udev {
 181         my ($action, $subsys, $devpath, $config) = @_;
 182
 183         $ENV{DEVPATH} = $devpath;
 184
 185         # create temporary config
 186         open CONF, ">$conf_tmp" || die "unable to create config file: $conf_tmp";
 187         print CONF $$config;
 188         close CONF;
 189
 190         $ENV{ACTION} = $action;
 191         system("$udev_bin $subsys");
 192 }
 193
 194
 195 # prepare
 196 system("rm -rf $udev_root");
 197 mkdir($udev_root) || die "unable to create udev_root: $udev_root\n";
 198
 199 # test
 200 my $error = 0;
 201 print "\nudev-test will run ".($#tests + 1)." tests:\n\n";
 202
 203 # create initial config file
 204 open CONF, ">$main_conf" || die "unable to create config file: $main_conf";
 205 print CONF "udev_root=\"$udev_root\"\n";
 206 print CONF "udev_db=\"$udev_db\"\n";
 207 print CONF "udev_rules=\"$conf_tmp\"\n";
 208 print CONF "udev_permissions=\"$perm\"\n";
 209 close CONF;
 210
 211 foreach my $config (@tests) {
 212         $config->{conf} =~ m/^([A-Z]*).*/;
 213         my $method  = $1;
 214
 215         print "TEST: $config->{desc}\n";
 216         print "method \'$method\' for \'$config->{devpath}\' expecting node \'$config->{expected}\'\n";
 217
 218         udev("add", $config->{subsys}, $config->{devpath}, \$config->{conf});
 219         if (-e "$PWD/$udev_root$config->{expected}") {
 220                 print "add: ok    ";
 221         } else {
 222                 print "add: error\n";
 223                 system("tree $udev_root");
 224                 print "\n";
 225                 $error++;
 226         }
 227
 228         udev("remove", $config->{subsys}, $config->{devpath}, \$config->{conf});
 229         if (-e "$PWD/$udev_root$config->{expected}") {
 230                 print "remove: error\n\n";
 231                 system("tree $udev_root");
 232                 $error++;
 233         } else {
 234                 print "remove: ok\n\n";
 235         }
 236 }
 237
 238 print "$error errors occured\n\n";
 239
 240 # cleanup
 241 unlink($udev_db);
 242 system("rm -rf $udev_root");
 243 unlink($conf_tmp);
 244 unlink($main_conf);
 245