Add basic tests for lxc containers.

nova/tests/test_virt.py

@@ -227,6 +227,42 @@ class LibvirtConnTestCase(test.TestCase):
         self._check_xml_and_uri(instance_data, expect_kernel=True,
                                 expect_ramdisk=True, rescue=True)
 
+    def test_lxc_container_and_uri(self):
+        instance_data = dict(self.test_instace)
+        self._check_xml_and_container(instance_data)
+
+    def _check_xml_and_container(self, instance):
+        user_context = context.RequestContext(project=self.project,
+                                              user=self.user)
+        instance_ref = db.instance_create(user_context,instance)
+        host = self.network.get_network_host(user_context.elevated())
+        network_ref= db.project_get_network(context.get_admin_context(),
+                                            self.project.id)
+
+        fixed_ip = {'address':    self.test_ip,
+                    'network_id': network_ref['id']}
+
+        ctxt = context.get_admin_context()
+        fixed_ip_ref = db.fixed_ip_create(ctxt, fixed_ip)
+        db.fixed_ip_update(ctxt, self.test_ip,
+                           {'allocated':   True,
+                            'instance_id': instance_ref['id']})
+
+        FLAGS.libvirt_type = 'lxc'
+        self.assertEquals(uri, 'lxc:///')
+
+        xml = conn.to_xml(instance_ref)
+        tree = xml_to_tree(xml)
+
+        check = [
+            (lambda t: t.find('.').get('type'), 'lxc'),
+            (lambda t: t.find('./os/type').text, 'exe')
+        ]
+
+        for i (check, expected_result) in enumerate(check):
+            self.aseertEqual(check(time),
+                            expected_result,
+                            '%s failed common check %d' % (xml, i))
     def _check_xml_and_uri(self, instance, expect_ramdisk, expect_kernel,
                            rescue=False):
         user_context = context.RequestContext(project=self.project,