test/udevstart-test.pl

   1 #!/usr/bin/perl
   2
   3 # udevstart-test
   4 #
   5 # runs udevstart in a temporary directory with our test sysfs-tree
   6 # and counts the created nodes to compare it with the expected numbers.
   7 #
   8 # Kay Sievers <kay.sievers@vrfy.org>, 2005
   9 #
  10
  11 use warnings;
  12 use strict;
  13
  14 my $PWD = $ENV{PWD};
  15 my $sysfs     = "sys/";
  16 my $udev_bin  = "../udev";
  17 my $udev_root = "udev-root/"; # !!! directory will be removed !!!
  18 my $udev_db   = ".udevdb";
  19 my $main_conf = "udev-test.conf";
  20 my $conf_tmp  = "udev-test.rules";
  21
  22 # set env
  23 $ENV{UDEV_TEST} = "yes";
  24 $ENV{SYSFS_PATH} = $sysfs;
  25 $ENV{UDEV_CONFIG_FILE} = $main_conf;
  26 $ENV{UDEV_NO_DEVD} = "yes";
  27 $ENV{UDEV_NO_HOTPLUGD} = "yes";
  28
  29 # due to mknod restrictions
  30 if (!($<==0)) {
  31         print "Must have root permissions to run properly.\n";
  32         exit;
  33 }
  34
  35 # prepare
  36 system("rm -rf $udev_root");
  37 mkdir($udev_root) || die "unable to create udev_root: $udev_root\n";
  38
  39 # create initial config file
  40 open CONF, ">$main_conf" || die "unable to create config file: $main_conf";
  41 print CONF "udev_root=\"$udev_root\"\n";
  42 print CONF "udev_db=\"$udev_db\"\n";
  43 print CONF "udev_rules=\"$conf_tmp\"\n";
  44 close CONF;
  45
  46 system("$udev_bin udevstart");
  47 my $block = int( `find $udev_root -type b -print | wc -l`);
  48 my $char  = int( `find $udev_root -type c -print | wc -l`);
  49
  50 print "block devices: $block/10\n";
  51 print "char devices: $char/91\n";
  52
  53 # cleanup
  54 system("rm -rf $udev_db");
  55 system("rm -rf $udev_root");
  56 unlink($conf_tmp);
  57 unlink($main_conf);
  58