#!/usr/bin/perl # udev-test # # Provides automated testing of the udev binary. # The whole test is self contained in this file, except the matching sysfs tree. # Simply extend the @tests array, to add a new test variant. # # Every test is driven by its own temporary config file. # This program prepares the environment, creates the config and calls udev. # # udev reads the config, looks at the provided sysfs and # first creates and then removes the device node. # After creation and removal the result is checked against the # expected value and the result is printed. # # happy testing, # Kay Sievers , 2003 use warnings; use strict; my $PWD = $ENV{PWD}; my $sysfs = "sys/"; my $udev_bin = "../udev"; my $udev_root = "udev-root/"; # !!! directory will be removed !!! my $udev_db = ".udev.tdb"; my $perm = "udev.permissions"; my $main_conf = "udev-test.conf"; my $conf_tmp = "udev-test.rules"; my @tests = ( { desc => "label test of scsi disc", subsys => "block", devpath => "block/sda", expected => "boot_disk" , conf => < "label test of scsi partition", subsys => "block", devpath => "block/sda/sda1", expected => "boot_disk1" , conf => < "label test of pattern match", subsys => "block", devpath => "block/sda/sda1", expected => "boot_disk1" , conf => < "catch device by *", subsys => "tty", devpath => "class/tty/ttyUSB0", expected => "visor/0" , conf => < "catch device by ?", subsys => "tty", devpath => "class/tty/ttyUSB0", expected => "visor/0" , conf => < "catch device by character class", subsys => "tty", devpath => "class/tty/ttyUSB0", expected => "visor/0" , conf => < "replace kernel name", subsys => "tty", devpath => "class/tty/ttyUSB0", expected => "visor" , conf => < "subdirectory handling", subsys => "tty", devpath => "class/tty/ttyUSB0", expected => "sub/direct/ory/visor" , conf => < "place on bus of scsi partition", subsys => "block", devpath => "block/sda/sda3", expected => "first_disk3" , conf => < "test NAME substitution chars", subsys => "block", devpath => "block/sda/sda3", expected => "Major:8:minor:3:kernelnumber:3:bus:0:0:0:0" , conf => < "callout result substitution", subsys => "block", devpath => "block/sda/sda3", expected => "special-device-3" , conf => < "callout program substitution", subsys => "block", devpath => "block/sda/sda3", expected => "test-0:0:0:0" , conf => < "devfs disk naming substitution", subsys => "block", devpath => "block/sda", expected => "lun0/disk" , conf => < "devfs disk naming substitution", subsys => "block", devpath => "block/sda/sda2", expected => "lun0/part2" , conf => < "callout bus type", subsys => "block", devpath => "block/sda", expected => "scsi-0:0:0:0" , conf => < "symlink creation (same directory)", subsys => "tty", devpath => "class/tty/ttyUSB0", expected => "visor0" , conf => < "symlink creation (relative link back)", subsys => "block", devpath => "block/sda/sda2", expected => "1/2/a/b/symlink" , conf => < "symlink creation (relative link forward)", subsys => "block", devpath => "block/sda/sda2", expected => "1/2/symlink" , conf => < "symlink creation (relative link back and forward)", subsys => "block", devpath => "block/sda/sda2", expected => "1/2/c/d/symlink" , conf => < "multiple symlinks", subsys => "tty", devpath => "class/tty/ttyUSB0", expected => "second-0" , conf => <$conf_tmp" || die "unable to create config file: $conf_tmp"; print CONF $$config; close CONF; $ENV{ACTION} = $action; system("$udev_bin $subsys"); } # prepare system("rm -rf $udev_root"); mkdir($udev_root) || die "unable to create udev_root: $udev_root\n"; # test my $error = 0; print "\nudev-test will run ".($#tests + 1)." tests:\n\n"; # create initial config file open CONF, ">$main_conf" || die "unable to create config file: $main_conf"; print CONF "udev_root=\"$udev_root\"\n"; print CONF "udev_db=\"$udev_db\"\n"; print CONF "udev_rules=\"$conf_tmp\"\n"; print CONF "udev_permissions=\"$perm\"\n"; close CONF; foreach my $config (@tests) { $config->{conf} =~ m/^([A-Z]*).*/; my $method = $1; print "TEST: $config->{desc}\n"; print "method \'$method\' for \'$config->{devpath}\' expecting node \'$config->{expected}\'\n"; udev("add", $config->{subsys}, $config->{devpath}, \$config->{conf}); if (-e "$PWD/$udev_root$config->{expected}") { print "add: ok "; } else { print "add: error\n"; system("tree $udev_root"); print "\n"; $error++; } udev("remove", $config->{subsys}, $config->{devpath}, \$config->{conf}); if ((-e "$PWD/$udev_root$config->{expected}") || (-l "$PWD/$udev_root$config->{expected}")) { print "remove: error\n\n"; system("tree $udev_root"); $error++; } else { print "remove: ok\n\n"; } } print "$error errors occured\n\n"; # cleanup unlink($udev_db); system("rm -rf $udev_root"); unlink($conf_tmp); unlink($main_conf);