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 $PWD = `pwd`;
  25 chomp($PWD);
  26
  27 my $sysfs     = "sys/";
  28 my $udev_bin  = "../udev";
  29 my $udev_root = "udev-root/"; # !!! directory will be removed !!!
  30 my $udev_db   = "udev.tdb";
  31 my $perm      = "udev.permissions";
  32 my $conf_tmp  = "udev-test.config";
  33
  34
  35 my @tests = (
  36         {
  37                 desc     => "label test of scsi disc",
  38                 subsys   => "block",
  39                 devpath  => "block/sda",
  40                 expected => "boot_disk" ,
  41                 conf     => <<EOF
  42 LABEL, BUS="scsi", vendor="IBM-ESXS", NAME="boot_disk%n"
  43 REPLACE, KERNEL="ttyUSB0", NAME="visor""
  44 EOF
  45         },
  46         {
  47                 desc     => "label test of scsi partition",
  48                 subsys   => "block",
  49                 devpath  => "block/sda/sda1",
  50                 expected => "boot_disk1" ,
  51                 conf     => <<EOF
  52 LABEL, BUS="scsi", vendor="IBM-ESXS", NAME="boot_disk%n"
  53 EOF
  54         },
  55         {
  56                 desc     => "replace kernel name",
  57                 subsys   => "tty",
  58                 devpath  => "class/tty/ttyUSB0",
  59                 expected => "visor" ,
  60                 conf     => <<EOF
  61 REPLACE, KERNEL="ttyUSB0", NAME="visor"
  62 EOF
  63         },
  64         {
  65                 desc     => "place on bus of scsi partition",
  66                 subsys   => "block",
  67                 devpath  => "block/sda/sda3",
  68                 expected => "first_disk3" ,
  69                 conf     => <<EOF
  70 TOPOLOGY, BUS="scsi", PLACE="0:0:0:0", NAME="first_disk%n"
  71 EOF
  72         },
  73         {
  74                 desc     => "test NAME substitution chars",
  75                 subsys   => "block",
  76                 devpath  => "block/sda/sda3",
  77                 expected => "Major:8:minor:3:kernelnumber:3:bus:0:0:0:0" ,
  78                 conf     => <<EOF
  79 TOPOLOGY, BUS="scsi", PLACE="0:0:0:0", NAME="Major:%M:minor:%m:kernelnumber:%n:bus:%b"
  80 EOF
  81         },
  82         {
  83                 desc     => "callout result subtitution, only last should match",
  84                 subsys   => "block",
  85                 devpath  => "block/sda/sda3",
  86                 expected => "special-device-3" ,
  87                 conf     => <<EOF
  88 CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n special-device", ID="-special-*", NAME="%c-1-%n"
  89 CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n special-device", ID="special--*", NAME="%c-2-%n"
  90 CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n special-device", ID="special-device-", NAME="%c-3-%n"
  91 CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n special-device", ID="special-devic", NAME="%c-4-%n"
  92 CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n special-device", ID="special-*", NAME="%c-%n"
  93 EOF
  94         },
  95 );
  96
  97 # set env
  98 $ENV{UDEV_TEST} = "yes";
  99 $ENV{SYSFS_PATH} = $sysfs;
 100 $ENV{UDEV_CONFIG_DIR} = "./";
 101 $ENV{UDEV_ROOT} = $udev_root;
 102 $ENV{UDEV_DB} = $udev_db;
 103 $ENV{UDEV_PERMISSION_FILE} = $perm;
 104
 105
 106 sub udev {
 107         my ($action, $subsys, $devpath, $config) = @_;
 108
 109         $ENV{DEVPATH} = $devpath;
 110         $ENV{UDEV_CONFIG_FILE} = $conf_tmp;
 111
 112         # create temporary config
 113         open CONF, ">$conf_tmp" || die "unable to create config file: $conf_tmp";
 114         print CONF $$config;
 115         close CONF;
 116
 117         $ENV{ACTION} = $action;
 118         system("$udev_bin $subsys");
 119 }
 120
 121
 122 # prepare
 123 system("rm -rf $udev_root");
 124 mkdir($udev_root) || die "unable to create udev_root: $udev_root\n";
 125
 126 # test
 127 my $error;
 128 print "\nudev-test will run ".($#tests + 1)." tests:\n\n";
 129
 130 foreach my $config (@tests) {
 131         $config->{conf} =~ m/^([A-Z]*).*/;
 132         my $method  = $1;
 133
 134         print "TEST: $config->{desc}\n";
 135         print "method \'$method\' for \'$config->{devpath}\' expecting node \'$config->{expected}\'\n";
 136
 137         udev("add", $config->{subsys}, $config->{devpath}, \$config->{conf});
 138         if (-e "$PWD/$udev_root$config->{expected}") {
 139                 print "add: ok    ";
 140         } else {
 141                 print "add: error\n";
 142                 system("tree $udev_root");
 143                 print "\n";
 144                 $error++;
 145 #               next;
 146         }
 147
 148         udev("remove", $config->{subsys}, $config->{devpath}, \$config->{conf});
 149         if (-e "$PWD/$udev_root$config->{expected}") {
 150                 print "remove: error\n\n";
 151                 system("tree $udev_root");
 152                 $error++;
 153         } else {
 154                 print "remove: ok\n\n";
 155         }
 156 }
 157
 158 print "$error errors occured\n\n";
 159
 160 # cleanup
 161 system("rm -rf $udev_root");
 162 unlink($conf_tmp);
 163 unlink($udev_db);
 164