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/* GLib testing framework examples and tests
*
* Copyright (C) 2008-2010 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: David Zeuthen <davidz@redhat.com>
*/
#include <gio/gio.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "gdbus-tests.h"
/* all tests rely on a shared mainloop */
static GMainLoop *loop = NULL;
/* ---------------------------------------------------------------------------------------------------- */
/* Connection life-cycle testing */
/* ---------------------------------------------------------------------------------------------------- */
static void
test_connection_life_cycle (void)
{
GDBusConnection *c;
GDBusConnection *c2;
GError *error;
error = NULL;
/*
* Check for correct behavior when no bus is present
*
*/
c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
_g_assert_error_domain (error, G_IO_ERROR);
g_assert (!g_dbus_error_is_remote_error (error));
g_assert (c == NULL);
g_error_free (error);
error = NULL;
/*
* Check for correct behavior when a bus is present
*/
session_bus_up ();
/* case 1 */
c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
g_assert_no_error (error);
g_assert (c != NULL);
g_assert (!g_dbus_connection_is_closed (c));
/*
* Check that singleton handling work
*/
c2 = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
g_assert_no_error (error);
g_assert (c2 != NULL);
g_assert (c == c2);
g_object_unref (c2);
/*
* Check that private connections work
*/
c2 = _g_bus_get_priv (G_BUS_TYPE_SESSION, NULL, &error);
g_assert_no_error (error);
g_assert (c2 != NULL);
g_assert (c != c2);
g_object_unref (c2);
c2 = _g_bus_get_priv (G_BUS_TYPE_SESSION, NULL, &error);
g_assert_no_error (error);
g_assert (c2 != NULL);
g_assert (!g_dbus_connection_is_closed (c2));
g_dbus_connection_close (c2);
_g_assert_signal_received (c2, "closed");
g_assert (g_dbus_connection_is_closed (c2));
g_object_unref (c2);
/*
* Check for correct behavior when the bus goes away
*
*/
g_assert (!g_dbus_connection_is_closed (c));
g_dbus_connection_set_exit_on_close (c, FALSE);
session_bus_down ();
if (!g_dbus_connection_is_closed (c))
_g_assert_signal_received (c, "closed");
g_assert (g_dbus_connection_is_closed (c));
_g_object_wait_for_single_ref (c);
g_object_unref (c);
}
/* ---------------------------------------------------------------------------------------------------- */
/* Test that sending and receiving messages work as expected */
/* ---------------------------------------------------------------------------------------------------- */
static void
msg_cb_expect_error_disconnected (GDBusConnection *connection,
GAsyncResult *res,
gpointer user_data)
{
GError *error;
GVariant *result;
error = NULL;
result = g_dbus_connection_call_finish (connection,
res,
&error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CLOSED);
g_assert (!g_dbus_error_is_remote_error (error));
g_error_free (error);
g_assert (result == NULL);
g_main_loop_quit (loop);
}
static void
msg_cb_expect_error_unknown_method (GDBusConnection *connection,
GAsyncResult *res,
gpointer user_data)
{
GError *error;
GVariant *result;
error = NULL;
result = g_dbus_connection_call_finish (connection,
res,
&error);
g_assert_error (error, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD);
g_assert (g_dbus_error_is_remote_error (error));
g_assert (result == NULL);
g_main_loop_quit (loop);
}
static void
msg_cb_expect_success (GDBusConnection *connection,
GAsyncResult *res,
gpointer user_data)
{
GError *error;
GVariant *result;
error = NULL;
result = g_dbus_connection_call_finish (connection,
res,
&error);
g_assert_no_error (error);
g_assert (result != NULL);
g_variant_unref (result);
g_main_loop_quit (loop);
}
static void
msg_cb_expect_error_cancelled (GDBusConnection *connection,
GAsyncResult *res,
gpointer user_data)
{
GError *error;
GVariant *result;
error = NULL;
result = g_dbus_connection_call_finish (connection,
res,
&error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CANCELLED);
g_assert (!g_dbus_error_is_remote_error (error));
g_error_free (error);
g_assert (result == NULL);
g_main_loop_quit (loop);
}
static void
msg_cb_expect_error_cancelled_2 (GDBusConnection *connection,
GAsyncResult *res,
gpointer user_data)
{
GError *error;
GVariant *result;
error = NULL;
result = g_dbus_connection_call_finish (connection,
res,
&error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CANCELLED);
g_assert (!g_dbus_error_is_remote_error (error));
g_error_free (error);
g_assert (result == NULL);
g_main_loop_quit (loop);
}
/* ---------------------------------------------------------------------------------------------------- */
static void
test_connection_send (void)
{
GDBusConnection *c;
GCancellable *ca;
session_bus_up ();
/* First, get an unopened connection */
c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
g_assert (c != NULL);
g_assert (!g_dbus_connection_is_closed (c));
/*
* Check that we never actually send a message if the GCancellable
* is already cancelled - i.e. we should get #G_IO_ERROR_CANCELLED
* when the actual connection is not up.
*/
ca = g_cancellable_new ();
g_cancellable_cancel (ca);
g_dbus_connection_call (c,
"org.freedesktop.DBus", /* bus_name */
"/org/freedesktop/DBus", /* object path */
"org.freedesktop.DBus", /* interface name */
"GetId", /* method name */
NULL, NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
ca,
(GAsyncReadyCallback) msg_cb_expect_error_cancelled,
NULL);
g_main_loop_run (loop);
g_object_unref (ca);
/*
* Check that we get a reply to the GetId() method call.
*/
g_dbus_connection_call (c,
"org.freedesktop.DBus", /* bus_name */
"/org/freedesktop/DBus", /* object path */
"org.freedesktop.DBus", /* interface name */
"GetId", /* method name */
NULL, NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
(GAsyncReadyCallback) msg_cb_expect_success,
NULL);
g_main_loop_run (loop);
/*
* Check that we get an error reply to the NonExistantMethod() method call.
*/
g_dbus_connection_call (c,
"org.freedesktop.DBus", /* bus_name */
"/org/freedesktop/DBus", /* object path */
"org.freedesktop.DBus", /* interface name */
"NonExistantMethod", /* method name */
NULL, NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
(GAsyncReadyCallback) msg_cb_expect_error_unknown_method,
NULL);
g_main_loop_run (loop);
/*
* Check that cancellation works when the message is already in flight.
*/
ca = g_cancellable_new ();
g_dbus_connection_call (c,
"org.freedesktop.DBus", /* bus_name */
"/org/freedesktop/DBus", /* object path */
"org.freedesktop.DBus", /* interface name */
"GetId", /* method name */
NULL, NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
ca,
(GAsyncReadyCallback) msg_cb_expect_error_cancelled_2,
NULL);
g_cancellable_cancel (ca);
g_main_loop_run (loop);
g_object_unref (ca);
/*
* Check that we get an error when sending to a connection that is disconnected.
*/
g_dbus_connection_set_exit_on_close (c, FALSE);
session_bus_down ();
_g_assert_signal_received (c, "closed");
g_assert (g_dbus_connection_is_closed (c));
g_dbus_connection_call (c,
"org.freedesktop.DBus", /* bus_name */
"/org/freedesktop/DBus", /* object path */
"org.freedesktop.DBus", /* interface name */
"GetId", /* method name */
NULL, NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
(GAsyncReadyCallback) msg_cb_expect_error_disconnected,
NULL);
g_main_loop_run (loop);
_g_object_wait_for_single_ref (c);
g_object_unref (c);
}
/* ---------------------------------------------------------------------------------------------------- */
/* Connection signal tests */
/* ---------------------------------------------------------------------------------------------------- */
static void
test_connection_signal_handler (GDBusConnection *connection,
const gchar *sender_name,
const gchar *object_path,
const gchar *interface_name,
const gchar *signal_name,
GVariant *parameters,
gpointer user_data)
{
gint *counter = user_data;
*counter += 1;
/*g_debug ("in test_connection_signal_handler (sender=%s path=%s interface=%s member=%s)",
sender_name,
object_path,
interface_name,
signal_name);*/
g_main_loop_quit (loop);
}
static gboolean
test_connection_signal_quit_mainloop (gpointer user_data)
{
gboolean *quit_mainloop_fired = user_data;
*quit_mainloop_fired = TRUE;
g_main_loop_quit (loop);
return TRUE;
}
static void
test_connection_signals (void)
{
GDBusConnection *c1;
GDBusConnection *c2;
GDBusConnection *c3;
guint s1;
guint s1b;
guint s2;
guint s3;
gint count_s1;
gint count_s1b;
gint count_s2;
gint count_name_owner_changed;
GError *error;
gboolean ret;
GVariant *result;
error = NULL;
/*
* Bring up first separate connections
*/
session_bus_up ();
/* if running with dbus-monitor, it claims the name :1.0 - so if we don't run with the monitor
* emulate this
*/
if (g_getenv ("G_DBUS_MONITOR") == NULL)
{
c1 = _g_bus_get_priv (G_BUS_TYPE_SESSION, NULL, NULL);
g_assert (c1 != NULL);
g_assert (!g_dbus_connection_is_closed (c1));
g_object_unref (c1);
}
c1 = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
g_assert (c1 != NULL);
g_assert (!g_dbus_connection_is_closed (c1));
g_assert_cmpstr (g_dbus_connection_get_unique_name (c1), ==, ":1.1");
/*
* Install two signal handlers for the first connection
*
* - Listen to the signal "Foo" from :1.2 (e.g. c2)
* - Listen to the signal "Foo" from anyone (e.g. both c2 and c3)
*
* and then count how many times this signal handler was invoked.
*/
s1 = g_dbus_connection_signal_subscribe (c1,
":1.2",
"org.gtk.GDBus.ExampleInterface",
"Foo",
"/org/gtk/GDBus/ExampleInterface",
NULL,
test_connection_signal_handler,
&count_s1,
NULL);
s2 = g_dbus_connection_signal_subscribe (c1,
NULL, /* match any sender */
"org.gtk.GDBus.ExampleInterface",
"Foo",
"/org/gtk/GDBus/ExampleInterface",
NULL,
test_connection_signal_handler,
&count_s2,
NULL);
s3 = g_dbus_connection_signal_subscribe (c1,
"org.freedesktop.DBus", /* sender */
"org.freedesktop.DBus", /* interface */
"NameOwnerChanged", /* member */
"/org/freedesktop/DBus", /* path */
NULL,
test_connection_signal_handler,
&count_name_owner_changed,
NULL);
/* Note that s1b is *just like* s1 - this is to catch a bug where N
* subscriptions of the same rule causes N calls to each of the N
* subscriptions instead of just 1 call to each of the N subscriptions.
*/
s1b = g_dbus_connection_signal_subscribe (c1,
":1.2",
"org.gtk.GDBus.ExampleInterface",
"Foo",
"/org/gtk/GDBus/ExampleInterface",
NULL,
test_connection_signal_handler,
&count_s1b,
NULL);
g_assert (s1 != 0);
g_assert (s1b != 0);
g_assert (s2 != 0);
g_assert (s3 != 0);
count_s1 = 0;
count_s1b = 0;
count_s2 = 0;
count_name_owner_changed = 0;
/*
* Bring up two other connections
*/
c2 = _g_bus_get_priv (G_BUS_TYPE_SESSION, NULL, NULL);
g_assert (c2 != NULL);
g_assert (!g_dbus_connection_is_closed (c2));
g_assert_cmpstr (g_dbus_connection_get_unique_name (c2), ==, ":1.2");
c3 = _g_bus_get_priv (G_BUS_TYPE_SESSION, NULL, NULL);
g_assert (c3 != NULL);
g_assert (!g_dbus_connection_is_closed (c3));
g_assert_cmpstr (g_dbus_connection_get_unique_name (c3), ==, ":1.3");
/*
* Make c2 emit "Foo" - we should catch it twice
*
* Note that there is no way to be sure that the signal subscriptions
* on c1 are effective yet - for all we know, the AddMatch() messages
* could sit waiting in a buffer somewhere between this process and
* the message bus. And emitting signals on c2 (a completely other
* socket!) will not necessarily change this.
*
* To ensure this is not the case, do a synchronous call on c1.
*/
result = g_dbus_connection_call_sync (c1,
"org.freedesktop.DBus", /* bus name */
"/org/freedesktop/DBus", /* object path */
"org.freedesktop.DBus", /* interface name */
"GetId", /* method name */
NULL, /* parameters */
NULL, /* return type */
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert (result != NULL);
g_variant_unref (result);
/* now, emit the signal on c2 */
ret = g_dbus_connection_emit_signal (c2,
NULL, /* destination bus name */
"/org/gtk/GDBus/ExampleInterface",
"org.gtk.GDBus.ExampleInterface",
"Foo",
NULL,
&error);
g_assert_no_error (error);
g_assert (ret);
while (!(count_s1 >= 1 && count_s2 >= 1))
g_main_loop_run (loop);
g_assert_cmpint (count_s1, ==, 1);
g_assert_cmpint (count_s2, ==, 1);
/*
* Make c3 emit "Foo" - we should catch it only once
*/
ret = g_dbus_connection_emit_signal (c3,
NULL, /* destination bus name */
"/org/gtk/GDBus/ExampleInterface",
"org.gtk.GDBus.ExampleInterface",
"Foo",
NULL,
&error);
g_assert_no_error (error);
g_assert (ret);
while (!(count_s1 == 1 && count_s2 == 2))
g_main_loop_run (loop);
g_assert_cmpint (count_s1, ==, 1);
g_assert_cmpint (count_s2, ==, 2);
/*
* Also to check the total amount of NameOwnerChanged signals - use a 5 second ceiling
* to avoid spinning forever
*/
gboolean quit_mainloop_fired;
guint quit_mainloop_id;
quit_mainloop_fired = FALSE;
quit_mainloop_id = g_timeout_add (5000, test_connection_signal_quit_mainloop, &quit_mainloop_fired);
while (count_name_owner_changed < 2 && !quit_mainloop_fired)
g_main_loop_run (loop);
g_source_remove (quit_mainloop_id);
g_assert_cmpint (count_s1, ==, 1);
g_assert_cmpint (count_s2, ==, 2);
g_assert_cmpint (count_name_owner_changed, ==, 2);
g_dbus_connection_signal_unsubscribe (c1, s1);
g_dbus_connection_signal_unsubscribe (c1, s2);
g_dbus_connection_signal_unsubscribe (c1, s3);
g_dbus_connection_signal_unsubscribe (c1, s1b);
_g_object_wait_for_single_ref (c1);
_g_object_wait_for_single_ref (c2);
_g_object_wait_for_single_ref (c3);
g_object_unref (c1);
g_object_unref (c2);
g_object_unref (c3);
session_bus_down ();
}
/* ---------------------------------------------------------------------------------------------------- */
typedef struct
{
guint num_handled;
guint num_outgoing;
guint32 serial;
} FilterData;
static gboolean
filter_func (GDBusConnection *connection,
GDBusMessage *message,
gboolean incoming,
gpointer user_data)
{
FilterData *data = user_data;
guint32 reply_serial;
if (incoming)
{
reply_serial = g_dbus_message_get_reply_serial (message);
if (reply_serial == data->serial)
data->num_handled += 1;
}
else
{
data->num_outgoing += 1;
}
return FALSE;
}
static void
test_connection_filter (void)
{
GDBusConnection *c;
FilterData data;
GDBusMessage *m;
GDBusMessage *r;
GError *error;
guint filter_id;
memset (&data, '\0', sizeof (FilterData));
session_bus_up ();
error = NULL;
c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
g_assert_no_error (error);
g_assert (c != NULL);
filter_id = g_dbus_connection_add_filter (c,
filter_func,
&data,
NULL);
m = g_dbus_message_new_method_call ("org.freedesktop.DBus", /* name */
"/org/freedesktop/DBus", /* path */
"org.freedesktop.DBus", /* interface */
"GetNameOwner");
g_dbus_message_set_body (m, g_variant_new ("(s)", "org.freedesktop.DBus"));
error = NULL;
g_dbus_connection_send_message (c, m, &data.serial, &error);
g_assert_no_error (error);
while (data.num_handled == 0)
g_thread_yield ();
g_dbus_message_set_serial (m, 0);
g_dbus_connection_send_message (c, m, &data.serial, &error);
g_assert_no_error (error);
while (data.num_handled == 1)
g_thread_yield ();
g_dbus_message_set_serial (m, 0);
r = g_dbus_connection_send_message_with_reply_sync (c,
m,
-1,
&data.serial,
NULL, /* GCancellable */
&error);
g_assert_no_error (error);
g_assert (r != NULL);
g_object_unref (r);
g_assert_cmpint (data.num_handled, ==, 3);
g_dbus_connection_remove_filter (c, filter_id);
g_dbus_message_set_serial (m, 0);
r = g_dbus_connection_send_message_with_reply_sync (c,
m,
-1,
&data.serial,
NULL, /* GCancellable */
&error);
g_assert_no_error (error);
g_assert (r != NULL);
g_object_unref (r);
g_assert_cmpint (data.num_handled, ==, 3);
g_assert_cmpint (data.num_outgoing, ==, 3);
_g_object_wait_for_single_ref (c);
g_object_unref (c);
g_object_unref (m);
session_bus_down ();
}
/* ---------------------------------------------------------------------------------------------------- */
static void
test_connection_flush_signal_handler (GDBusConnection *connection,
const gchar *sender_name,
const gchar *object_path,
const gchar *interface_name,
const gchar *signal_name,
GVariant *parameters,
gpointer user_data)
{
g_main_loop_quit (loop);
}
static gboolean
test_connection_flush_on_timeout (gpointer user_data)
{
guint iteration = GPOINTER_TO_UINT (user_data);
g_printerr ("Timeout waiting 1000 msec on iteration %d\n", iteration);
g_assert_not_reached ();
return FALSE;
}
static void
test_connection_flush (void)
{
GDBusConnection *connection;
GError *error;
guint n;
guint signal_handler_id;
session_bus_up ();
error = NULL;
connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
g_assert_no_error (error);
g_assert (connection != NULL);
signal_handler_id = g_dbus_connection_signal_subscribe (connection,
NULL, /* sender */
"org.gtk.GDBus.FlushInterface",
"SomeSignal",
"/org/gtk/GDBus/FlushObject",
NULL,
test_connection_flush_signal_handler,
NULL,
NULL);
g_assert_cmpint (signal_handler_id, !=, 0);
for (n = 0; n < 50; n++)
{
gboolean ret;
gint exit_status;
guint timeout_mainloop_id;
error = NULL;
ret = g_spawn_command_line_sync ("./gdbus-connection-flush-helper",
NULL, /* stdout */
NULL, /* stderr */
&exit_status,
&error);
g_assert_no_error (error);
g_assert (WIFEXITED (exit_status));
g_assert_cmpint (WEXITSTATUS (exit_status), ==, 0);
g_assert (ret);
timeout_mainloop_id = g_timeout_add (1000, test_connection_flush_on_timeout, GUINT_TO_POINTER (n));
g_main_loop_run (loop);
g_source_remove (timeout_mainloop_id);
}
g_dbus_connection_signal_unsubscribe (connection, signal_handler_id);
_g_object_wait_for_single_ref (connection);
g_object_unref (connection);
session_bus_down ();
}
/* ---------------------------------------------------------------------------------------------------- */
int
main (int argc,
char *argv[])
{
g_type_init ();
g_test_init (&argc, &argv, NULL);
/* all the tests rely on a shared main loop */
loop = g_main_loop_new (NULL, FALSE);
/* all the tests use a session bus with a well-known address that we can bring up and down
* using session_bus_up() and session_bus_down().
*/
g_unsetenv ("DISPLAY");
g_setenv ("DBUS_SESSION_BUS_ADDRESS", session_bus_get_temporary_address (), TRUE);
g_test_add_func ("/gdbus/connection-life-cycle", test_connection_life_cycle);
g_test_add_func ("/gdbus/connection-send", test_connection_send);
g_test_add_func ("/gdbus/connection-signals", test_connection_signals);
g_test_add_func ("/gdbus/connection-filter", test_connection_filter);
g_test_add_func ("/gdbus/connection-flush", test_connection_flush);
return g_test_run();
}