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 BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME="boot_disk%n"
  42 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 BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME="boot_disk%n"
  52 EOF
  53         },
  54         {
  55                 desc     => "label test of pattern match",
  56                 subsys   => "block",
  57                 devpath  => "block/sda/sda1",
  58                 expected => "boot_disk1" ,
  59                 conf     => <<EOF
  60 BUS="scsi", SYSFS{vendor}="?IBM-ESXS", NAME="boot_disk%n-1"
  61 BUS="scsi", SYSFS{vendor}="IBM-ESXS?", NAME="boot_disk%n-2"
  62 BUS="scsi", SYSFS{vendor}="IBM-ES??", NAME="boot_disk%n"
  63 BUS="scsi", SYSFS{vendor}="IBM-ESXSS", NAME="boot_disk%n-3"
  64 EOF
  65         },
  66         {
  67                 desc     => "label test of multiple sysfs files",
  68                 subsys   => "block",
  69                 devpath  => "block/sda/sda1",
  70                 expected => "boot_disk1" ,
  71                 conf     => <<EOF
  72 BUS="scsi", SYSFS{vendor}="IBM-ESXS", SYSFS{model}="ST336605LW   !#", NAME="boot_diskX%n"
  73 BUS="scsi", SYSFS{vendor}="IBM-ESXS", SYSFS{model}="ST336605LW    !#", NAME="boot_disk%n"
  74 EOF
  75         },
  76         {
  77                 desc     => "label test of max sysfs files",
  78                 subsys   => "block",
  79                 devpath  => "block/sda/sda1",
  80                 expected => "boot_disk1" ,
  81                 conf     => <<EOF
  82 BUS="scsi", SYSFS{vendor}="IBM-ESXS", SYSFS{model}="ST336605LW    !#", SYSFS{scsi_level}="4", SYSFS{rev}="B245", SYSFS{type}="2", SYSFS{queue_depth}="32", NAME="boot_diskXX%n"
  83 BUS="scsi", SYSFS{vendor}="IBM-ESXS", SYSFS{model}="ST336605LW    !#", SYSFS{scsi_level}="4", SYSFS{rev}="B245", SYSFS{type}="0", NAME="boot_disk%n"
  84 EOF
  85         },
  86         {
  87                 desc     => "catch device by *",
  88                 subsys   => "tty",
  89                 devpath  => "class/tty/ttyUSB0",
  90                 expected => "visor/0" ,
  91                 conf     => <<EOF
  92 KERNEL="ttyUSB*", NAME="visor/%n"
  93 EOF
  94         },
  95         {
  96                 desc     => "catch device by * - take 2",
  97                 subsys   => "tty",
  98                 devpath  => "class/tty/ttyUSB0",
  99                 expected => "visor/0" ,
 100                 conf     => <<EOF
 101 KERNEL="*USB1", NAME="bad"
 102 KERNEL="*USB0", NAME="visor/%n"
 103 EOF
 104         },
 105         {
 106                 desc     => "catch device by ?",
 107                 subsys   => "tty",
 108                 devpath  => "class/tty/ttyUSB0",
 109                 expected => "visor/0" ,
 110                 conf     => <<EOF
 111 KERNEL="ttyUSB??*", NAME="visor/%n-1"
 112 KERNEL="ttyUSB??", NAME="visor/%n-2"
 113 KERNEL="ttyUSB?", NAME="visor/%n"
 114 EOF
 115         },
 116         {
 117                 desc     => "catch device by character class",
 118                 subsys   => "tty",
 119                 devpath  => "class/tty/ttyUSB0",
 120                 expected => "visor/0" ,
 121                 conf     => <<EOF
 122 KERNEL="ttyUSB[A-Z]*", NAME="visor/%n-1"
 123 KERNEL="ttyUSB?[0-9]", NAME="visor/%n-2"
 124 KERNEL="ttyUSB[0-9]*", NAME="visor/%n"
 125 EOF
 126         },
 127         {
 128                 desc     => "replace kernel name",
 129                 subsys   => "tty",
 130                 devpath  => "class/tty/ttyUSB0",
 131                 expected => "visor" ,
 132                 conf     => <<EOF
 133 KERNEL="ttyUSB0", NAME="visor"
 134 EOF
 135         },
 136         {
 137                 desc     => "Handle comment lines in config file (and replace kernel name)",
 138                 subsys   => "tty",
 139                 devpath  => "class/tty/ttyUSB0",
 140                 expected => "visor" ,
 141                 conf     => <<EOF
 142 # this is a comment
 143 KERNEL="ttyUSB0", NAME="visor"
 144
 145 EOF
 146         },
 147         {
 148                 desc     => "Handle comment lines in config file with whitespace (and replace kernel name)",
 149                 subsys   => "tty",
 150                 devpath  => "class/tty/ttyUSB0",
 151                 expected => "visor" ,
 152                 conf     => <<EOF
 153  # this is a comment with whitespace before the comment
 154 KERNEL="ttyUSB0", NAME="visor"
 155
 156 EOF
 157         },
 158         {
 159                 desc     => "Handle empty lines in config file (and replace kernel name)",
 160                 subsys   => "tty",
 161                 devpath  => "class/tty/ttyUSB0",
 162                 expected => "visor" ,
 163                 conf     => <<EOF
 164
 165 KERNEL="ttyUSB0", NAME="visor"
 166
 167 EOF
 168         },
 169         {
 170                 desc     => "subdirectory handling",
 171                 subsys   => "tty",
 172                 devpath  => "class/tty/ttyUSB0",
 173                 expected => "sub/direct/ory/visor" ,
 174                 conf     => <<EOF
 175 KERNEL="ttyUSB0", NAME="sub/direct/ory/visor"
 176 EOF
 177         },
 178         {
 179                 desc     => "place on bus of scsi partition",
 180                 subsys   => "block",
 181                 devpath  => "block/sda/sda3",
 182                 expected => "first_disk3" ,
 183                 conf     => <<EOF
 184 BUS="scsi", PLACE="0:0:0:0", NAME="first_disk%n"
 185 EOF
 186         },
 187         {
 188                 desc     => "test NAME substitution chars",
 189                 subsys   => "block",
 190                 devpath  => "block/sda/sda3",
 191                 expected => "Major:8:minor:3:kernelnumber:3:bus:0:0:0:0" ,
 192                 conf     => <<EOF
 193 BUS="scsi", PLACE="0:0:0:0", NAME="Major:%M:minor:%m:kernelnumber:%n:bus:%b"
 194 EOF
 195         },
 196         {
 197                 desc     => "test NAME substitution chars (with length limit)",
 198                 subsys   => "block",
 199                 devpath  => "block/sda/sda3",
 200                 expected => "M8-m3-n3-b0:0-sIBM" ,
 201                 conf     => <<EOF
 202 BUS="scsi", PLACE="0:0:0:0", NAME="M%M-m%m-n%n-b%3b-s%3s{vendor}"
 203 EOF
 204         },
 205         {
 206                 desc     => "old style SYSFS_ attribute",
 207                 subsys   => "block",
 208                 devpath  => "block/sda",
 209                 expected => "good" ,
 210                 conf     => <<EOF
 211 BUS="scsi", SYSFS_vendor="IBM-ESXS", NAME="good"
 212 EOF
 213         },
 214         {
 215                 desc     => "sustitution of sysfs value (%s{file})",
 216                 subsys   => "block",
 217                 devpath  => "block/sda",
 218                 expected => "disk-IBM-ESXS-sda" ,
 219                 conf     => <<EOF
 220 BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME="disk-%s{vendor}-%k"
 221 KERNEL="ttyUSB0", NAME="visor"
 222 EOF
 223         },
 224         {
 225                 desc     => "program result substitution",
 226                 subsys   => "block",
 227                 devpath  => "block/sda/sda3",
 228                 expected => "special-device-3" ,
 229                 conf     => <<EOF
 230 BUS="scsi", PROGRAM="/bin/echo -n special-device", RESULT="-special-*", NAME="%c-1-%n"
 231 BUS="scsi", PROGRAM="/bin/echo -n special-device", RESULT="special--*", NAME="%c-2-%n"
 232 BUS="scsi", PROGRAM="/bin/echo -n special-device", RESULT="special-device-", NAME="%c-3-%n"
 233 BUS="scsi", PROGRAM="/bin/echo -n special-device", RESULT="special-devic", NAME="%c-4-%n"
 234 BUS="scsi", PROGRAM="/bin/echo -n special-device", RESULT="special-*", NAME="%c-%n"
 235 EOF
 236         },
 237         {
 238                 desc     => "program result substitution",
 239                 subsys   => "block",
 240                 devpath  => "block/sda/sda3",
 241                 expected => "test-0:0:0:0" ,
 242                 conf     => <<EOF
 243 BUS="scsi", PROGRAM="/bin/echo -n test-%b", RESULT="test-0:0*", NAME="%c"
 244 EOF
 245         },
 246         {
 247                 desc     => "program with escaped format char (tricky: callout returns format char!)",
 248                 subsys   => "block",
 249                 devpath  => "block/sda/sda3",
 250                 expected => "escape-3" ,
 251                 conf     => <<EOF
 252 BUS="scsi", PROGRAM="/bin/echo -n escape-%%n", KERNEL="sda3", NAME="%c"
 253 EOF
 254         },
 255         {
 256                 desc     => "program with lots of arguments",
 257                 subsys   => "block",
 258                 devpath  => "block/sda/sda3",
 259                 expected => "foo9" ,
 260                 conf     => <<EOF
 261 BUS="scsi", PROGRAM="/bin/echo -n foo3 foo4 foo5 foo6 foo7 foo8 foo9", KERNEL="sda3", NAME="%c{7}"
 262 EOF
 263         },
 264         {
 265                 desc     => "program result substitution (numbered part of)",
 266                 subsys   => "block",
 267                 devpath  => "block/sda/sda3",
 268                 expected => "link1" ,
 269                 conf     => <<EOF
 270 BUS="scsi", PROGRAM="/bin/echo -n node link1 link2", RESULT="node *", NAME="%c{1}", SYMLINK="%c{2} %c{3}"
 271 EOF
 272         },
 273         {
 274                 desc     => "invalid program for device with no bus",
 275                 subsys   => "tty",
 276                 devpath  => "class/tty/console",
 277                 expected => "TTY" ,
 278                 conf     => <<EOF
 279 BUS="scsi", PROGRAM="/bin/echo -n foo", RESULT="foo", NAME="foo"
 280 KERNEL="console", NAME="TTY"
 281 EOF
 282         },
 283         {
 284                 desc     => "valid program for device with no bus",
 285                 subsys   => "tty",
 286                 devpath  => "class/tty/console",
 287                 expected => "foo" ,
 288                 conf     => <<EOF
 289 PROGRAM="/bin/echo -n foo", RESULT="foo", NAME="foo"
 290 KERNEL="console", NAME="TTY"
 291 EOF
 292         },
 293         {
 294                 desc     => "invalid label for device with no bus",
 295                 subsys   => "tty",
 296                 devpath  => "class/tty/console",
 297                 expected => "TTY" ,
 298                 conf     => <<EOF
 299 BUS="foo", SYSFS{dev}="5:1", NAME="foo"
 300 KERNEL="console", NAME="TTY"
 301 EOF
 302         },
 303         {
 304                 desc     => "valid label for device with no bus",
 305                 subsys   => "tty",
 306                 devpath  => "class/tty/console",
 307                 expected => "foo" ,
 308                 conf     => <<EOF
 309 SYSFS{dev}="5:1", NAME="foo"
 310 KERNEL="console", NAME="TTY"
 311 EOF
 312         },
 313         {
 314                 desc     => "program and bus type match",
 315                 subsys   => "block",
 316                 devpath  => "block/sda",
 317                 expected => "scsi-0:0:0:0" ,
 318                 conf     => <<EOF
 319 BUS="usb", PROGRAM="/bin/echo -n usb-%b", NAME="%c"
 320 BUS="scsi", PROGRAM="/bin/echo -n scsi-%b", NAME="%c"
 321 BUS="foo", PROGRAM="/bin/echo -n foo-%b", NAME="%c"
 322 EOF
 323         },
 324         {
 325                 desc     => "symlink creation (same directory)",
 326                 subsys   => "tty",
 327                 devpath  => "class/tty/ttyUSB0",
 328                 expected => "visor0" ,
 329                 conf     => <<EOF
 330 KERNEL="ttyUSB[0-9]*", NAME="ttyUSB%n", SYMLINK="visor%n"
 331 EOF
 332         },
 333         {
 334                 desc     => "symlink creation (relative link back)",
 335                 subsys   => "block",
 336                 devpath  => "block/sda/sda2",
 337                 expected => "1/2/a/b/symlink" ,
 338                 conf     => <<EOF
 339 BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME="1/2/node", SYMLINK="1/2/a/b/symlink"
 340 EOF
 341         },
 342         {
 343                 desc     => "symlink creation (relative link forward)",
 344                 subsys   => "block",
 345                 devpath  => "block/sda/sda2",
 346                 expected => "1/2/symlink" ,
 347                 conf     => <<EOF
 348 BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME="1/2/a/b/node", SYMLINK="1/2/symlink"
 349 EOF
 350         },
 351         {
 352                 desc     => "symlink creation (relative link back and forward)",
 353                 subsys   => "block",
 354                 devpath  => "block/sda/sda2",
 355                 expected => "1/2/c/d/symlink" ,
 356                 conf     => <<EOF
 357 BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME="1/2/a/b/node", SYMLINK="1/2/c/d/symlink"
 358 EOF
 359         },
 360         {
 361                 desc     => "multiple symlinks",
 362                 subsys   => "tty",
 363                 devpath  => "class/tty/ttyUSB0",
 364                 expected => "second-0" ,
 365                 conf     => <<EOF
 366 KERNEL="ttyUSB0", NAME="visor", SYMLINK="first-%n second-%n third-%n"
 367 EOF
 368         },
 369         {
 370                 desc     => "create all possible partitions",
 371                 subsys   => "block",
 372                 devpath  => "block/sda",
 373                 expected => "boot_disk15" ,
 374                 conf     => <<EOF
 375 BUS="scsi", SYSFS{vendor}="IBM-ESXS", NAME{all_partitions}="boot_disk"
 376 EOF
 377         },
 378         {
 379                 desc     => "sysfs parent hierarchy",
 380                 subsys   => "tty",
 381                 devpath  => "class/tty/ttyUSB0",
 382                 expected => "visor" ,
 383                 conf     => <<EOF
 384 SYSFS{idProduct}="2008", NAME="visor"
 385 EOF
 386         },
 387         {
 388                 desc     => "name test with ! in the name",
 389                 subsys   => "block",
 390                 devpath  => "block/rd!c0d0",
 391                 expected => "rd/c0d0" ,
 392                 conf     => <<EOF
 393 BUS="scsi", NAME="%k"
 394 KERNEL="ttyUSB0", NAME="visor"
 395 EOF
 396         },
 397         {
 398                 desc     => "name test with ! in the name, but no matching rule",
 399                 subsys   => "block",
 400                 devpath  => "block/rd!c0d0",
 401                 expected => "rd/c0d0" ,
 402                 conf     => <<EOF
 403 KERNEL="ttyUSB0", NAME="visor"
 404 EOF
 405         },
 406         {
 407                 desc     => "ID rule",
 408                 subsys   => "block",
 409                 devpath  => "block/sda",
 410                 expected => "scsi-0:0:0:0",
 411                 conf     => <<EOF
 412 BUS="usb", ID="0:0:0:0", NAME="not-scsi"
 413 BUS="scsi", ID="0:0:0:1", NAME="no-match"
 414 BUS="scsi", ID=":0", NAME="short-id"
 415 BUS="scsi", ID="/0:0:0:0", NAME="no-match"
 416 BUS="scsi", ID="0:0:0:0", NAME="scsi-0:0:0:0"
 417 EOF
 418         },
 419         {
 420                 desc     => "ID wildcard all",
 421                 subsys   => "block",
 422                 devpath  => "block/sda",
 423                 expected => "scsi-0:0:0:0",
 424                 conf     => <<EOF
 425 BUS="scsi", ID="*:1", NAME="no-match"
 426 BUS="scsi", ID="*:0:1", NAME="no-match"
 427 BUS="scsi", ID="*:0:0:1", NAME="no-match"
 428 BUS="scsi", ID="*", NAME="scsi-0:0:0:0"
 429 BUS="scsi", ID="0:0:0:0", NAME="bad"
 430 EOF
 431         },
 432         {
 433                 desc     => "ID wildcard partial",
 434                 subsys   => "block",
 435                 devpath  => "block/sda",
 436                 expected => "scsi-0:0:0:0",
 437                 conf     => <<EOF
 438 BUS="scsi", ID="*:0", NAME="scsi-0:0:0:0"
 439 BUS="scsi", ID="0:0:0:0", NAME="bad"
 440 EOF
 441         },
 442         {
 443                 desc     => "ID wildcard partial 2",
 444                 subsys   => "block",
 445                 devpath  => "block/sda",
 446                 expected => "scsi-0:0:0:0",
 447                 conf     => <<EOF
 448 BUS="scsi", ID="*:0:0:0", NAME="scsi-0:0:0:0"
 449 BUS="scsi", ID="0:0:0:0", NAME="bad"
 450 EOF
 451         },
 452 );
 453
 454 # set env
 455 $ENV{UDEV_TEST} = "yes";
 456 $ENV{SYSFS_PATH} = $sysfs;
 457 $ENV{UDEV_CONFIG_FILE} = $main_conf;
 458
 459
 460 sub udev {
 461         my ($action, $subsys, $devpath, $config) = @_;
 462
 463         $ENV{DEVPATH} = $devpath;
 464
 465         # create temporary config
 466         open CONF, ">$conf_tmp" || die "unable to create config file: $conf_tmp";
 467         print CONF $$config;
 468         close CONF;
 469
 470         $ENV{ACTION} = $action;
 471         system("$udev_bin $subsys");
 472 }
 473
 474 my $error = 0;
 475
 476 sub run_test {
 477         my ($config, $number) = @_;
 478
 479         print "TEST $number: $config->{desc}\n";
 480         print "device \'$config->{devpath}\' expecting node \'$config->{expected}\'\n";
 481
 482         udev("add", $config->{subsys}, $config->{devpath}, \$config->{conf});
 483         if (-e "$PWD/$udev_root$config->{expected}") {
 484                 print "add: ok    ";
 485         } else {
 486                 print "add: error\n";
 487                 system("tree $udev_root");
 488                 print "\n";
 489                 $error++;
 490         }
 491
 492         udev("remove", $config->{subsys}, $config->{devpath}, \$config->{conf});
 493         if ((-e "$PWD/$udev_root$config->{expected}") ||
 494             (-l "$PWD/$udev_root$config->{expected}")) {
 495                 print "remove: error\n\n";
 496                 system("tree $udev_root");
 497                 $error++;
 498         } else {
 499                 print "remove: ok\n\n";
 500         }
 501 }
 502
 503 # prepare
 504 system("rm -rf $udev_root");
 505 mkdir($udev_root) || die "unable to create udev_root: $udev_root\n";
 506
 507 # create initial config file
 508 open CONF, ">$main_conf" || die "unable to create config file: $main_conf";
 509 print CONF "udev_root=\"$udev_root\"\n";
 510 print CONF "udev_db=\"$udev_db\"\n";
 511 print CONF "udev_rules=\"$conf_tmp\"\n";
 512 print CONF "udev_permissions=\"$perm\"\n";
 513 close CONF;
 514
 515 my $test_num = 1;
 516
 517 if ($ARGV[0]) {
 518         # only run one test
 519         $test_num = $ARGV[0];
 520         print "udev-test will run test number $test_num only\n";
 521
 522         run_test($tests[$test_num-1], $test_num);
 523 } else {
 524         # test all
 525         print "\nudev-test will run ".($#tests + 1)." tests:\n\n";
 526
 527         foreach my $config (@tests) {
 528                 run_test($config, $test_num);
 529                 $test_num++;
 530
 531         }
 532 }
 533
 534 print "$error errors occured\n\n";
 535
 536 # cleanup
 537 unlink($udev_db);
 538 system("rm -rf $udev_root");
 539 unlink($conf_tmp);
 540 unlink($main_conf);
 541