glib/gio/tests/gdbus-connection-slow.c
Philip Withnall fd27c8dc6e tests: Add G_TEST_OPTION_ISOLATE_DIRS to almost all gdbus tests
This is a spiritual follow-up to commit 8cff531520, which
added `G_TEST_OPTION_ISOLATE_DIRS` to the `gdbus-connection-flush` test
to avoid its D-Bus cookie lock file from being erroneously deleted by
other tests running in parallel.

The same failure mode could affect any of the other D-Bus tests which
connect to a bus. As an easy fix, enable `G_TEST_OPTION_ISOLATE_DIRS`
for all of them.

The only test it’s not (yet) enabled for is `gdbus-address-get-session`
as that messes around with `XDG_RUNTIME_DIR` to test finding the session
bus. It might be possible to use `G_TEST_OPTION_ISOLATE_DIRS` with it,
but that would take longer than I have right now.

In any case, the more tests (which try to connect to a bus) that this is
enabled for, the lower the chances of spurious test failure due to them
conflicting over shared resources.

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
2022-11-23 11:15:20 +00:00

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/* GLib testing framework examples and tests
*
* Copyright (C) 2008-2010 Red Hat, Inc.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*
* Author: David Zeuthen <davidz@redhat.com>
*/
#include <gio/gio.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include "gdbus-tests.h"
/* all tests rely on a shared mainloop */
static GMainLoop *loop = NULL;
/* ---------------------------------------------------------------------------------------------------- */
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 G_SOURCE_REMOVE;
}
static void
test_connection_flush (void)
{
GDBusConnection *connection;
GError *error;
guint n;
guint signal_handler_id;
const gchar *flush_helper;
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,
G_DBUS_SIGNAL_FLAGS_NONE,
test_connection_flush_signal_handler,
NULL,
NULL);
g_assert_cmpint (signal_handler_id, !=, 0);
flush_helper = g_test_get_filename (G_TEST_BUILT, "gdbus-connection-flush-helper", NULL);
for (n = 0; n < 50; n++)
{
gboolean ret;
gint wait_status;
guint timeout_mainloop_id;
gchar *flush_helper_stdout = NULL;
gchar *flush_helper_stderr = NULL;
error = NULL;
ret = g_spawn_command_line_sync (flush_helper,
&flush_helper_stdout,
&flush_helper_stderr,
&wait_status,
&error) &&
g_spawn_check_wait_status (wait_status, &error);
if (!ret)
g_test_message ("Child process %s failed. stdout:\n%s\nstderr:\n%s",
flush_helper, flush_helper_stdout, flush_helper_stderr);
g_free (flush_helper_stdout);
g_free (flush_helper_stderr);
g_assert_no_error (error);
g_assert_true (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_unref (connection);
session_bus_down ();
}
/* ---------------------------------------------------------------------------------------------------- */
/* Message size > 20MiB ... should be enough to make sure the message
* is fragmented when shoved across any transport
*/
#define LARGE_MESSAGE_STRING_LENGTH (20*1024*1024)
/* the test will fail if the service name has not appeared after this amount of seconds */
#define LARGE_MESSAGE_TIMEOUT_SECONDS 10
static gboolean
large_message_timeout_cb (gpointer data)
{
(void)data;
g_error ("Error: timeout waiting for dbus name to appear");
return G_SOURCE_REMOVE;
}
static void
large_message_on_name_appeared (GDBusConnection *connection,
const gchar *name,
const gchar *name_owner,
gpointer user_data)
{
GError *error;
gchar *request;
const gchar *reply;
GVariant *result;
guint n;
g_assert (g_source_remove (GPOINTER_TO_UINT (user_data)));
request = g_new (gchar, LARGE_MESSAGE_STRING_LENGTH + 1);
for (n = 0; n < LARGE_MESSAGE_STRING_LENGTH; n++)
request[n] = '0' + (n%10);
request[n] = '\0';
error = NULL;
result = g_dbus_connection_call_sync (connection,
"com.example.TestService", /* bus name */
"/com/example/TestObject", /* object path */
"com.example.Frob", /* interface name */
"HelloWorld", /* method name */
g_variant_new ("(s)", request), /* parameters */
G_VARIANT_TYPE ("(s)"), /* return type */
G_DBUS_CALL_FLAGS_NONE,
G_MAXINT,
NULL,
&error);
g_assert_no_error (error);
g_assert (result != NULL);
g_variant_get (result, "(&s)", &reply);
g_assert_cmpint (strlen (reply), >, LARGE_MESSAGE_STRING_LENGTH);
g_assert (g_str_has_prefix (reply, "You greeted me with '01234567890123456789012"));
g_assert (g_str_has_suffix (reply, "6789'. Thanks!"));
g_variant_unref (result);
g_free (request);
g_main_loop_quit (loop);
}
static void
large_message_on_name_vanished (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
}
static void
test_connection_large_message (void)
{
guint watcher_id;
guint timeout_id;
session_bus_up ();
/* this is safe; testserver will exit once the bus goes away */
g_assert (g_spawn_command_line_async (g_test_get_filename (G_TEST_BUILT, "gdbus-testserver", NULL), NULL));
timeout_id = g_timeout_add_seconds (LARGE_MESSAGE_TIMEOUT_SECONDS,
large_message_timeout_cb,
NULL);
watcher_id = g_bus_watch_name (G_BUS_TYPE_SESSION,
"com.example.TestService",
G_BUS_NAME_WATCHER_FLAGS_NONE,
large_message_on_name_appeared,
large_message_on_name_vanished,
GUINT_TO_POINTER (timeout_id), /* user_data */
NULL); /* GDestroyNotify */
g_main_loop_run (loop);
g_bus_unwatch_name (watcher_id);
session_bus_down ();
}
/* ---------------------------------------------------------------------------------------------------- */
int
main (int argc,
char *argv[])
{
gint ret;
g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
/* all the tests rely on a shared main loop */
loop = g_main_loop_new (NULL, FALSE);
g_test_dbus_unset ();
g_test_add_func ("/gdbus/connection/flush", test_connection_flush);
g_test_add_func ("/gdbus/connection/large_message", test_connection_large_message);
ret = g_test_run();
g_main_loop_unref (loop);
return ret;
}