gio/tests/gdbus-connection-loss.c

   1 /* GLib testing framework examples and tests
   2  *
   3  * Copyright (C) 2008-2010 Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General
  16  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * Author: David Zeuthen <davidz@redhat.com>
  19  */
  20
  21 #include <gio/gio.h>
  22 #include <unistd.h>
  23 #include <string.h>
  24
  25 #include "gdbus-tests.h"
  26
  27 /* all tests rely on a global connection */
  28 static GDBusConnection *c = NULL;
  29
  30 /* all tests rely on a shared mainloop */
  31 static GMainLoop *loop = NULL;
  32
  33 /* ---------------------------------------------------------------------------------------------------- */
  34 /* Check that pending calls fail with G_IO_ERROR_CLOSED if the connection is closed  */
  35 /* See https://bugzilla.gnome.org/show_bug.cgi?id=660637 */
  36 /* ---------------------------------------------------------------------------------------------------- */
  37
  38 static void
  39 sleep_cb (GObject      *source_object,
  40           GAsyncResult *res,
  41           gpointer      user_data)
  42 {
  43   GError **error = user_data;
  44   GVariant *result;
  45
  46   result = g_dbus_proxy_call_finish (G_DBUS_PROXY (source_object), res, error);
  47   g_assert (result == NULL);
  48   g_main_loop_quit (loop);
  49 }
  50
  51 static gboolean
  52 on_timeout (gpointer user_data)
  53 {
  54   /* tear down bus */
  55   session_bus_stop ();
  56   return FALSE; /* remove source */
  57 }
  58
  59 static void
  60 test_connection_loss (void)
  61 {
  62   GDBusProxy *proxy;
  63   GError *error;
  64
  65   error = NULL;
  66   proxy = g_dbus_proxy_new_sync (c,
  67                                  G_DBUS_PROXY_FLAGS_NONE,
  68                                  NULL,                      /* GDBusInterfaceInfo */
  69                                  "com.example.TestService", /* name */
  70                                  "/com/example/TestObject", /* object path */
  71                                  "com.example.Frob",        /* interface */
  72                                  NULL, /* GCancellable */
  73                                  &error);
  74   g_assert_no_error (error);
  75
  76   error = NULL;
  77   g_dbus_proxy_call (proxy,
  78                      "Sleep",
  79                      g_variant_new ("(i)", 100 * 1000 /* msec */),
  80                      G_DBUS_CALL_FLAGS_NONE,
  81                      10 * 1000 /* msec */,
  82                      NULL, /* GCancellable */
  83                      sleep_cb,
  84                      &error);
  85
  86   /* Make sure we don't exit when the bus goes away */
  87   g_dbus_connection_set_exit_on_close (c, FALSE);
  88
  89   /* Nuke the connection to the bus */
  90   g_timeout_add (100 /* ms */, on_timeout, NULL);
  91
  92   g_main_loop_run (loop);
  93
  94   /* If we didn't act on connection-loss we'd be getting G_IO_ERROR_TIMEOUT
  95    * generated locally. So if we get G_IO_ERROR_CLOSED it means that we
  96    * are acting correctly on connection loss.
  97    */
  98   g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CLOSED);
  99   g_assert (!g_dbus_error_is_remote_error (error));
 100   g_clear_error (&error);
 101
 102   g_object_unref (proxy);
 103 }
 104
 105 /* ---------------------------------------------------------------------------------------------------- */
 106
 107 int
 108 main (int   argc,
 109       char *argv[])
 110 {
 111   GError *error;
 112   gint ret;
 113   gchar *path;
 114
 115   g_test_init (&argc, &argv, NULL);
 116
 117   /* all the tests rely on a shared main loop */
 118   loop = g_main_loop_new (NULL, FALSE);
 119
 120   session_bus_up ();
 121
 122   /* this is safe; testserver will exit once the bus goes away */
 123   path = g_test_build_filename (G_TEST_BUILT, "gdbus-testserver", NULL);
 124   g_assert (g_spawn_command_line_async (path, NULL));
 125   g_free (path);
 126
 127   ensure_gdbus_testserver_up ();
 128
 129   /* Create the connection in the main thread */
 130   error = NULL;
 131   c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
 132   g_assert_no_error (error);
 133   g_assert (c != NULL);
 134
 135   g_test_add_func ("/gdbus/connection-loss", test_connection_loss);
 136
 137   ret = g_test_run();
 138
 139   session_bus_down ();
 140
 141   g_object_unref (c);
 142   g_main_loop_unref (loop);
 143
 144   return ret;
 145 }