File: 240-usb-host-hotplug.t

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libvirt-tck 0.1.0~2.git890d1c-1
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# -*- perl -*-
#
# Copyright (C) 2009-2010 Red Hat, Inc.
# Copyright (C) 2009-2010 Daniel P. Berrange
#
# This program is free software; You can redistribute it and/or modify
# it under the GNU General Public License as published by the Free
# Software Foundation; either version 2, or (at your option) any
# later version
#
# The file "LICENSE" distributed along with this file provides full
# details of the terms and conditions
#

=pod

=head1 NAME

domain/240-usb-host-hotplug.t - verify hot plug & unplug of a host USB device

=head1 DESCRIPTION

The test case validates that it is possible to hotplug a usb
host device to a running domain, and then unplug it again.
This requires that the TCK configuration file have at least
one host USB device listed.

=cut

use strict;
use warnings;

use Test::More tests => 9;

use Sys::Virt::TCK;
use Test::Exception;

my $tck = Sys::Virt::TCK->new();
my $conn = eval { $tck->setup(); };
BAIL_OUT "failed to setup test harness: $@" if $@;
END {
    $tck->cleanup if $tck;
}


my $xml = $tck->generic_domain("tck")->as_xml;

diag "Creating a new transient domain";
my $dom;
ok_domain(sub { $dom = $conn->create_domain($xml) }, "created transient domain object");


my ($bus, $device, $vendor, $product) = $tck->get_host_usb_device();

my @xml = (undef, undef);

if ($bus && $device) {
    my $xml = <<EOF;
<hostdev mode='subsystem' type='usb'>
  <source>
    <address bus='$bus' device='$device'/>
  </source>
</hostdev>
EOF
    $xml[0] = $xml;
}
if ($vendor) {
    my $xml = <<EOF;
<hostdev mode='subsystem' type='usb'>
  <source>
    <vendor id='$vendor'/>
    <product id='$product'/>
  </source>
</hostdev>
EOF
    $xml[1] = $xml;
}

foreach my $devxml (@xml) {
  SKIP: {
      skip "No host usb device available in configuration file", 4 unless $devxml;

      my $initialxml = $dom->get_xml_description;

      diag "Attaching the new dev $devxml";
      lives_ok(sub { $dom->attach_device($devxml); }, "USB dev has been attached");

      my $newxml = $dom->get_xml_description;
      ok($newxml =~ m|<hostdev|, "new XML has extra USB dev present");

      diag "Detaching the new dev $devxml";
      lives_ok(sub { $dom->detach_device($devxml); }, "USB dev has been detached");


      my $finalxml = $dom->get_xml_description;

      is($initialxml, $finalxml, "final XML has removed the disk")
    }
}