gio/tests/gdbus-exit-on-close.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 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 <stdlib.h>
  23 #include <unistd.h>
  24 #include <string.h>
  25
  26 #include "gdbus-tests.h"
  27
  28 /* all tests rely on a shared mainloop */
  29 static GMainLoop *loop = NULL;
  30
  31 /* ---------------------------------------------------------------------------------------------------- */
  32
  33 typedef struct {
  34     const gchar *name;
  35     const gchar *bug;
  36     enum {
  37         EXPLICITLY_FALSE = FALSE,
  38         EXPLICITLY_TRUE = TRUE,
  39         IMPLICITLY_TRUE
  40     } exit_on_close;
  41     enum {
  42         LOCAL,
  43         REMOTE
  44     } who_closes;
  45 } TestData;
  46
  47 static const TestData cases[] = {
  48       { "default",  NULL,     IMPLICITLY_TRUE,  REMOTE },
  49       { "true",     NULL,     EXPLICITLY_TRUE,  REMOTE },
  50       { "false",    NULL,     EXPLICITLY_FALSE, REMOTE },
  51       { "we-close", "662100", EXPLICITLY_TRUE,  LOCAL  },
  52       { NULL }
  53 };
  54
  55 static gboolean
  56 quit_later_cb (gpointer data G_GNUC_UNUSED)
  57 {
  58   g_main_loop_quit (loop);
  59
  60   return FALSE;
  61 }
  62
  63 static void
  64 closed_cb (GDBusConnection  *c G_GNUC_UNUSED,
  65            gboolean          remote_peer_vanished,
  66            GError           *error,
  67            gpointer          test_data)
  68 {
  69   const TestData *td = test_data;
  70
  71   if (error == NULL)
  72     g_debug ("closed (%d, no error)", remote_peer_vanished);
  73   else
  74     g_debug ("closed (%d, %s %d \"%s\")", remote_peer_vanished,
  75              g_quark_to_string (error->domain), error->code, error->message);
  76
  77   g_assert_cmpint (remote_peer_vanished, ==, (td->who_closes == REMOTE));
  78   g_assert_cmpint ((error == NULL), ==, (td->who_closes == LOCAL));
  79
  80   /* we delay this so that if exit-on-close was going to happen, it will
  81    * win the race
  82    */
  83   g_timeout_add (50, quit_later_cb, NULL);
  84 }
  85
  86 static void
  87 close_async_cb (GObject *source G_GNUC_UNUSED,
  88                 GAsyncResult *res G_GNUC_UNUSED,
  89                 gpointer nil G_GNUC_UNUSED)
  90 {
  91   GError *error = NULL;
  92
  93   if (g_dbus_connection_close_finish (G_DBUS_CONNECTION (source),
  94                                       res,
  95                                       &error))
  96     {
  97       g_debug ("closed connection");
  98     }
  99   else
 100     {
 101       g_warning ("failed to close connection: %s (%s #%d)",
 102                  error->message, g_quark_to_string (error->domain),
 103                  error->code);
 104     }
 105 }
 106
 107 static void
 108 test_exit_on_close_subprocess (gconstpointer test_data)
 109 {
 110   const TestData *td = test_data;
 111   GDBusConnection *c;
 112
 113   loop = g_main_loop_new (NULL, FALSE);
 114
 115   session_bus_up ();
 116   c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
 117
 118   g_assert (c != NULL);
 119
 120   /* the default is meant to be TRUE */
 121   if (td->exit_on_close != IMPLICITLY_TRUE)
 122     g_dbus_connection_set_exit_on_close (c, td->exit_on_close);
 123
 124   g_assert_cmpint (g_dbus_connection_get_exit_on_close (c), ==,
 125                    (td->exit_on_close != EXPLICITLY_FALSE));
 126   g_assert (!g_dbus_connection_is_closed (c));
 127
 128   g_timeout_add (50, quit_later_cb, NULL);
 129   g_main_loop_run (loop);
 130
 131   g_signal_connect (c, "closed", G_CALLBACK (closed_cb), (gpointer) td);
 132
 133   if (td->who_closes == LOCAL)
 134     {
 135       GVariant *v;
 136       GError *error = NULL;
 137
 138       v = g_dbus_connection_call_sync (c, "org.freedesktop.DBus",
 139                                        "/org/freedesktop/DBus",
 140                                        "org.freedesktop.DBus",
 141                                        "ListNames",
 142                                        NULL,
 143                                        G_VARIANT_TYPE ("(as)"),
 144                                        G_DBUS_CALL_FLAGS_NONE,
 145                                        -1,
 146                                        NULL,
 147                                        &error);
 148       g_assert_no_error (error);
 149       g_assert (v != NULL);
 150       g_variant_unref (v);
 151
 152       g_dbus_connection_close (c, NULL, close_async_cb, NULL);
 153     }
 154   else
 155     {
 156       session_bus_stop ();
 157     }
 158
 159   g_main_loop_run (loop);
 160   /* this is only reached when we turn off exit-on-close */
 161   g_main_loop_unref (loop);
 162   g_object_unref (c);
 163
 164   session_bus_down ();
 165
 166   exit (0);
 167 }
 168
 169 static void
 170 test_exit_on_close (gconstpointer test_data)
 171 {
 172   const TestData *td = test_data;
 173   GTestSubprocessFlags flags;
 174   char *child_name;
 175
 176   g_test_dbus_unset ();
 177
 178   if (g_test_verbose ())
 179     flags = G_TEST_SUBPROCESS_INHERIT_STDOUT | G_TEST_SUBPROCESS_INHERIT_STDERR;
 180   else
 181     flags = 0;
 182
 183   child_name = g_strdup_printf ("/gdbus/exit-on-close/%s/subprocess", td->name);
 184   g_test_trap_subprocess (child_name, 0, flags);
 185   g_free (child_name);
 186
 187   if (td->exit_on_close == EXPLICITLY_FALSE ||
 188       td->who_closes == LOCAL)
 189     g_test_trap_assert_passed ();
 190   else
 191     g_test_trap_assert_failed();
 192 }
 193
 194 /* ---------------------------------------------------------------------------------------------------- */
 195
 196 int
 197 main (int   argc,
 198       char *argv[])
 199 {
 200   gint i;
 201
 202   g_test_init (&argc, &argv, NULL);
 203
 204   for (i = 0; cases[i].name != NULL; i++)
 205     {
 206       gchar *name;
 207
 208       name = g_strdup_printf ("/gdbus/exit-on-close/%s", cases[i].name);
 209       g_test_add_data_func (name, &cases[i], test_exit_on_close);
 210       g_free (name);
 211
 212       name = g_strdup_printf ("/gdbus/exit-on-close/%s/subprocess", cases[i].name);
 213       g_test_add_data_func (name, &cases[i], test_exit_on_close_subprocess);
 214       g_free (name);
 215     }
 216
 217   return g_test_run();
 218 }