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, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  * Author: David Zeuthen <davidz@redhat.com>
  21  */
  22
  23 #include <gio/gio.h>
  24 #include <stdlib.h>
  25 #include <unistd.h>
  26 #include <string.h>
  27
  28 #include "gdbus-tests.h"
  29
  30 /* all tests rely on a shared mainloop */
  31 static GMainLoop *loop = NULL;
  32
  33 /* ---------------------------------------------------------------------------------------------------- */
  34
  35 typedef struct {
  36     const gchar *name;
  37     const gchar *bug;
  38     enum {
  39         EXPLICITLY_FALSE = FALSE,
  40         EXPLICITLY_TRUE = TRUE,
  41         IMPLICITLY_TRUE
  42     } exit_on_close;
  43     enum {
  44         LOCAL,
  45         REMOTE
  46     } who_closes;
  47 } TestData;
  48
  49 static const TestData cases[] = {
  50       { "default",  NULL,     IMPLICITLY_TRUE,  REMOTE },
  51       { "true",     NULL,     EXPLICITLY_TRUE,  REMOTE },
  52       { "false",    NULL,     EXPLICITLY_FALSE, REMOTE },
  53       { "we-close", "662100", EXPLICITLY_TRUE,  LOCAL  },
  54       { NULL }
  55 };
  56
  57 static gboolean
  58 quit_later_cb (gpointer data G_GNUC_UNUSED)
  59 {
  60   g_main_loop_quit (loop);
  61
  62   return FALSE;
  63 }
  64
  65 #define VANISHED_PATTERN "*Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting.*"
  66
  67 static void
  68 closed_cb (GDBusConnection  *c G_GNUC_UNUSED,
  69            gboolean          remote_peer_vanished,
  70            GError           *error,
  71            gpointer          test_data)
  72 {
  73   const TestData *td = test_data;
  74
  75   if (error == NULL)
  76     g_debug ("closed (%d, no error)", remote_peer_vanished);
  77   else
  78     g_debug ("closed (%d, %s %d \"%s\")", remote_peer_vanished,
  79              g_quark_to_string (error->domain), error->code, error->message);
  80
  81   g_assert_cmpint (remote_peer_vanished, ==, (td->who_closes == REMOTE));
  82   g_assert_cmpint ((error == NULL), ==, (td->who_closes == LOCAL));
  83
  84   /* we delay this so that if exit-on-close was going to happen, it will
  85    * win the race
  86    */
  87   g_timeout_add (50, quit_later_cb, NULL);
  88 }
  89
  90 static void
  91 close_async_cb (GObject *source G_GNUC_UNUSED,
  92                 GAsyncResult *res G_GNUC_UNUSED,
  93                 gpointer nil G_GNUC_UNUSED)
  94 {
  95   GError *error = NULL;
  96
  97   if (g_dbus_connection_close_finish (G_DBUS_CONNECTION (source),
  98                                       res,
  99                                       &error))
 100     {
 101       g_debug ("closed connection");
 102     }
 103   else
 104     {
 105       g_warning ("failed to close connection: %s (%s #%d)",
 106                  error->message, g_quark_to_string (error->domain),
 107                  error->code);
 108     }
 109 }
 110
 111 static void
 112 test_exit_on_close_subprocess (gconstpointer test_data)
 113 {
 114   const TestData *td = test_data;
 115   GDBusConnection *c;
 116
 117   loop = g_main_loop_new (NULL, FALSE);
 118
 119   session_bus_up ();
 120   c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
 121
 122   g_assert (c != NULL);
 123
 124   /* the default is meant to be TRUE */
 125   if (td->exit_on_close != IMPLICITLY_TRUE)
 126     g_dbus_connection_set_exit_on_close (c, td->exit_on_close);
 127
 128   g_assert_cmpint (g_dbus_connection_get_exit_on_close (c), ==,
 129                    (td->exit_on_close != EXPLICITLY_FALSE));
 130   g_assert (!g_dbus_connection_is_closed (c));
 131
 132   g_timeout_add (50, quit_later_cb, NULL);
 133   g_main_loop_run (loop);
 134
 135   g_signal_connect (c, "closed", G_CALLBACK (closed_cb), (gpointer) td);
 136
 137   if (td->who_closes == LOCAL)
 138     {
 139       GVariant *v;
 140       GError *error = NULL;
 141
 142       v = g_dbus_connection_call_sync (c, "org.freedesktop.DBus",
 143                                        "/org/freedesktop/DBus",
 144                                        "org.freedesktop.DBus",
 145                                        "ListNames",
 146                                        NULL,
 147                                        G_VARIANT_TYPE ("(as)"),
 148                                        G_DBUS_CALL_FLAGS_NONE,
 149                                        -1,
 150                                        NULL,
 151                                        &error);
 152       g_assert_no_error (error);
 153       g_assert (v != NULL);
 154       g_variant_unref (v);
 155
 156       g_dbus_connection_close (c, NULL, close_async_cb, NULL);
 157     }
 158   else
 159     {
 160       session_bus_stop ();
 161     }
 162
 163   g_main_loop_run (loop);
 164   /* this is only reached when we turn off exit-on-close */
 165   g_main_loop_unref (loop);
 166   g_object_unref (c);
 167
 168   session_bus_down ();
 169
 170   exit (0);
 171 }
 172
 173 static void
 174 test_exit_on_close (gconstpointer test_data)
 175 {
 176   const TestData *td = test_data;
 177   GTestSubprocessFlags flags;
 178   char *child_name;
 179
 180   g_test_dbus_unset ();
 181
 182   if (g_test_verbose ())
 183     flags = G_TEST_SUBPROCESS_INHERIT_STDOUT | G_TEST_SUBPROCESS_INHERIT_STDERR;
 184   else
 185     flags = 0;
 186
 187   child_name = g_strdup_printf ("/gdbus/exit-on-close/%s/subprocess", td->name);
 188   g_test_trap_subprocess (child_name, 0, flags);
 189   g_free (child_name);
 190
 191   if (td->exit_on_close == EXPLICITLY_FALSE ||
 192       td->who_closes == LOCAL)
 193     {
 194       g_test_trap_assert_stdout_unmatched (VANISHED_PATTERN);
 195       g_test_trap_assert_passed ();
 196     }
 197   else
 198     {
 199       g_test_trap_assert_stdout (VANISHED_PATTERN);
 200       g_test_trap_assert_failed();
 201     }
 202 }
 203
 204 /* ---------------------------------------------------------------------------------------------------- */
 205
 206 int
 207 main (int   argc,
 208       char *argv[])
 209 {
 210   gint i;
 211
 212   g_test_init (&argc, &argv, NULL);
 213
 214   for (i = 0; cases[i].name != NULL; i++)
 215     {
 216       gchar *name;
 217
 218       name = g_strdup_printf ("/gdbus/exit-on-close/%s", cases[i].name);
 219       g_test_add_data_func (name, &cases[i], test_exit_on_close);
 220       g_free (name);
 221
 222       name = g_strdup_printf ("/gdbus/exit-on-close/%s/subprocess", cases[i].name);
 223       g_test_add_data_func (name, &cases[i], test_exit_on_close_subprocess);
 224       g_free (name);
 225     }
 226
 227   return g_test_run();
 228 }