lua: Various fixes and enhancements:

- add support for events (with test)
- test progress messages
- update documentation to describe events
- refactor handle closing code
- refactor error code
- use 'assert' in test code instead of 'if ... then error end'

1 files changed, 44 insertions, 0 deletions

diff --git a/lua/tests/400-progress.lua b/lua/tests/400-progress.lua
new file mode 100755
index 00000000..e0e17ac8
--- /dev/null
+++ b/lua/tests/400-progress.lua
@@ -0,0 +1,44 @@
+#!/usr/bin/lua
+-- libguestfs Lua bindings -*- lua -*-
+-- Copyright (C) 2012 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.
+
+require "guestfs"
+
+g = Guestfs.create ()
+
+g:add_drive ("/dev/null")
+g:launch ()
+
+calls = 0
+function cb ()
+   calls = calls+1
+end
+
+eh = g:set_event_callback (cb, "progress")
+assert (g:debug ("progress", {"5"}) == "ok", "debug progress command failed")
+assert (calls > 0, "progress callback was not invoked")
+
+calls = 0
+g:delete_event_callback (eh)
+assert (g:debug ("progress", {"5"}) == "ok", "debug progress command failed")
+assert (calls == 0, "progress callback was invoked when deleted")
+
+g:set_event_callback (cb, "progress")
+assert (g:debug ("progress", {"5"}) == "ok", "debug progress command failed")
+assert (calls > 0, "progress callback was not invoked")
+
+g:close ()