tests: Add a regression test that ensure the network can be added.

This was only tested before (implicitly) by the rsync test in
tests/rsync.  It's better to have an explicit test of this
functionality.

Makefile.am

@@ -41,6 +41,7 @@ SUBDIRS += tests/events
 SUBDIRS += tests/parallel
 SUBDIRS += tests/disks
 SUBDIRS += tests/mountable
+SUBDIRS += tests/network
 SUBDIRS += tests/lvm
 SUBDIRS += tests/luks
 SUBDIRS += tests/md

configure.ac

@@ -1710,6 +1710,7 @@ AC_CONFIG_FILES([Makefile
                  tests/mount-local/Makefile
                  tests/mountable/Makefile
                  tests/nbd/Makefile
+                 tests/network/Makefile
                  tests/ntfsclone/Makefile
                  tests/parallel/Makefile
                  tests/protocol/Makefile

tests/network/Makefile.am

@@ -0,0 +1,26 @@
+# libguestfs
+# Copyright (C) 2013 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.
+
+include $(top_srcdir)/subdir-rules.mk
+
+TESTS = \
+	test-network.sh
+
+TESTS_ENVIRONMENT = $(top_builddir)/run --test
+
+EXTRA_DIST = \
+	$(TESTS)

tests/network/test-network.sh

@@ -0,0 +1,37 @@
+#!/bin/bash -
+# libguestfs
+# Copyright (C) 2013 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.
+
+# In future we could make this test much more comprehensive,
+# especially testing that the network in fact works.  For now just
+# test that the network device can be added.
+
+set -e
+export LANG=C
+
+if [ -n "$SKIP_TEST_RHBZ690819_SH" ]; then
+    echo "$0: test skipped because environment variable is set."
+    exit 77
+fi
+
+backend="$(../../fish/guestfish get-backend)"
+if [[ "$backend" =~ ^uml ]]; then
+    echo "$0: test skipped because backend ($backend) is 'uml'."
+    exit 77
+fi
+
+../../fish/guestfish --network -a /dev/null run