tests: Split regressions -> various subdirectories of tests/

[libguestfs.git] / tests / protocol / test-launch-race.pl

diff --git a/tests/protocol/test-launch-race.pl b/tests/protocol/test-launch-race.pl
new file mode 100755 (executable)
index 0000000..5a660ce
--- /dev/null
+++ b/tests/protocol/test-launch-race.pl
@@ -0,0 +1,67 @@
+#!/usr/bin/perl
+# Copyright (C) 2010 Red Hat Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+# Test that 2 simultaneous launches in a clean cache directory will both succeed
+
+use strict;
+use warnings;
+
+use File::Temp qw(tempdir);
+use POSIX;
+
+use Sys::Guestfs;
+
+# Allow this test to be skipped.
+exit 0 if $ENV{SKIP_TEST_LAUNCH_RACE_PL};
+
+# Use a temporary TMPDIR to ensure it's clean
+my $tmpdir = tempdir (CLEANUP => 1);
+$ENV{TMPDIR} = $tmpdir;
+
+my $testimg = $tmpdir.'/test.img';
+system ("touch $testimg");
+
+my $pid = fork();
+die ("fork failed: $!") if ($pid < 0);
+
+if ($pid == 0) {
+  my $g = Sys::Guestfs->new ();
+  $g->add_drive ($testimg);
+  $g->launch ();
+  _exit (0);
+}
+
+my $g = Sys::Guestfs->new ();
+$g->add_drive ($testimg);
+$g->launch ();
+$g = undef;
+
+waitpid ($pid, 0) or die ("waitpid: $!");
+die ("child failed") unless ($? == 0);
+
+# Check that only 1 temporary cache directory was created.
+#
+# No cache directory is OK too (as long as the appliance launched w/o
+# failure) because it indicates we're not using supermin.
+my $dh;
+opendir ($dh, $tmpdir) or die ("Failed to open $tmpdir: $!");
+my @cachedirs = grep { /^guestfs\./ } readdir ($dh);
+closedir ($dh) or die ("Failed to close $tmpdir: $!");
+
+my $ncachedirs = scalar(@cachedirs);
+die "Expected 0 or 1 cachedir, found $ncachedirs"
+    unless $ncachedirs == 0 || $ncachedirs == 1;