Fix windows installs, add a test to prevent regression

Author: crobinso

tests/clitest.py

@@ -358,6 +358,8 @@
         "--hvm --nodisks --pxe --autostart",
         # --description
         "--hvm --nodisks --pxe --description \"foobar & baz\"",
+        # HVM windows install with disk
+        "--hvm --cdrom %(EXISTIMG2)s --file %(EXISTIMG1)s --os-variant win2k3 --wait 0",
       ],
 
       "invalid": [

virtinst/Guest.py

@@ -797,6 +797,9 @@ def get_config_xml(self, install = True, disk_boot = False):
         @type disk_boot: C{bool}
         """
 
+        # Set device defaults so we can validly generate XML
+        self._set_defaults(self.get_devices)
+
         if install:
             action = "destroy"
         else: