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glib2.0/gio/tests/gdbus-error.c

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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>
/* ---------------------------------------------------------------------------------------------------- */
/* Test that registered errors are properly mapped */
/* ---------------------------------------------------------------------------------------------------- */
static void
check_registered_error (const gchar *given_dbus_error_name,
GQuark error_domain,
gint error_code)
{
GError *error;
gchar *dbus_error_name;
error = g_dbus_error_new_for_dbus_error (given_dbus_error_name, "test message");
g_assert_error (error, error_domain, error_code);
g_assert (g_dbus_error_is_remote_error (error));
g_assert (g_dbus_error_strip_remote_error (error));
g_assert_cmpstr (error->message, ==, "test message");
dbus_error_name = g_dbus_error_get_remote_error (error);
g_assert_cmpstr (dbus_error_name, ==, given_dbus_error_name);
g_free (dbus_error_name);
g_error_free (error);
}
static void
test_registered_errors (void)
{
/* Here we check that we are able to map to GError and back for registered
* errors.
*
* For example, if "org.freedesktop.DBus.Error.AddressInUse" is
* associated with (G_DBUS_ERROR, G_DBUS_ERROR_DBUS_FAILED), check
* that
*
* - Creating a GError for e.g. "org.freedesktop.DBus.Error.AddressInUse"
* has (error_domain, code) == (G_DBUS_ERROR, G_DBUS_ERROR_DBUS_FAILED)
*
* - That it is possible to recover e.g. "org.freedesktop.DBus.Error.AddressInUse"
* as the D-Bus error name when dealing with an error with (error_domain, code) ==
* (G_DBUS_ERROR, G_DBUS_ERROR_DBUS_FAILED)
*
* We just check a couple of well-known errors.
*/
check_registered_error ("org.freedesktop.DBus.Error.Failed",
G_DBUS_ERROR,
G_DBUS_ERROR_FAILED);
check_registered_error ("org.freedesktop.DBus.Error.AddressInUse",
G_DBUS_ERROR,
G_DBUS_ERROR_ADDRESS_IN_USE);
check_registered_error ("org.freedesktop.DBus.Error.UnknownMethod",
G_DBUS_ERROR,
G_DBUS_ERROR_UNKNOWN_METHOD);
check_registered_error ("org.freedesktop.DBus.Error.UnknownObject",
G_DBUS_ERROR,
G_DBUS_ERROR_UNKNOWN_OBJECT);
}
/* ---------------------------------------------------------------------------------------------------- */
static void
check_unregistered_error (const gchar *given_dbus_error_name)
{
GError *error;
gchar *dbus_error_name;
error = g_dbus_error_new_for_dbus_error (given_dbus_error_name, "test message");
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_DBUS_ERROR);
g_assert (g_dbus_error_is_remote_error (error));
dbus_error_name = g_dbus_error_get_remote_error (error);
g_assert_cmpstr (dbus_error_name, ==, given_dbus_error_name);
g_free (dbus_error_name);
/* strip the message */
g_assert (g_dbus_error_strip_remote_error (error));
g_assert_cmpstr (error->message, ==, "test message");
/* check that we can no longer recover the D-Bus error name */
g_assert (g_dbus_error_get_remote_error (error) == NULL);
g_error_free (error);
}
static void
test_unregistered_errors (void)
{
/* Here we check that we are able to map to GError and back for unregistered
* errors.
*
* For example, if "com.example.Error.Failed" is not registered, then check
*
* - Creating a GError for e.g. "com.example.Error.Failed" has (error_domain, code) ==
* (G_IO_ERROR, G_IO_ERROR_DBUS_ERROR)
*
* - That it is possible to recover e.g. "com.example.Error.Failed" from that
* GError.
*
* We just check a couple of random errors.
*/
check_unregistered_error ("com.example.Error.Failed");
check_unregistered_error ("foobar.buh");
}
/* ---------------------------------------------------------------------------------------------------- */
static void
check_transparent_gerror (GQuark error_domain,
gint error_code)
{
GError *error;
gchar *given_dbus_error_name;
gchar *dbus_error_name;
error = g_error_new (error_domain, error_code, "test message");
given_dbus_error_name = g_dbus_error_encode_gerror (error);
g_assert (g_str_has_prefix (given_dbus_error_name, "org.gtk.GDBus.UnmappedGError.Quark"));
g_error_free (error);
error = g_dbus_error_new_for_dbus_error (given_dbus_error_name, "test message");
g_assert_error (error, error_domain, error_code);
g_assert (g_dbus_error_is_remote_error (error));
dbus_error_name = g_dbus_error_get_remote_error (error);
g_assert_cmpstr (dbus_error_name, ==, given_dbus_error_name);
g_free (dbus_error_name);
g_free (given_dbus_error_name);
/* strip the message */
g_assert (g_dbus_error_strip_remote_error (error));
g_assert_cmpstr (error->message, ==, "test message");
/* check that we can no longer recover the D-Bus error name */
g_assert (g_dbus_error_get_remote_error (error) == NULL);
g_error_free (error);
}
static void
test_transparent_gerror (void)
{
/* Here we check that we are able to transparent pass unregistered GError's
* over the wire.
*
* For example, if G_IO_ERROR_FAILED is not registered, then check
*
* - g_dbus_error_encode_gerror() returns something of the form
* org.gtk.GDBus.UnmappedGError.Quark_HEXENCODED_QUARK_NAME_.Code_ERROR_CODE
*
* - mapping back the D-Bus error name gives us G_IO_ERROR_FAILED
*
* - That it is possible to recover the D-Bus error name from the
* GError.
*
* We just check a couple of random errors.
*/
check_transparent_gerror (G_IO_ERROR, G_IO_ERROR_FAILED);
check_transparent_gerror (G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_PARSE);
}
typedef enum
{
TEST_ERROR_FAILED,
TEST_ERROR_BLA
} TestError;
GDBusErrorEntry test_error_entries[] =
{
{ TEST_ERROR_FAILED, "org.gtk.test.Error.Failed" },
{ TEST_ERROR_BLA, "org.gtk.test.Error.Bla" }
};
static void
test_register_error (void)
{
gsize test_error_quark = 0;
gboolean res;
gchar *msg;
GError *error;
g_dbus_error_register_error_domain ("test-error-quark",
&test_error_quark,
test_error_entries,
G_N_ELEMENTS (test_error_entries));
g_assert_cmpint (test_error_quark, !=, 0);
error = g_dbus_error_new_for_dbus_error ("org.gtk.test.Error.Failed", "Failed");
g_assert_error (error, test_error_quark, TEST_ERROR_FAILED);
res = g_dbus_error_is_remote_error (error);
msg = g_dbus_error_get_remote_error (error);
g_assert (res);
g_assert_cmpstr (msg, ==, "org.gtk.test.Error.Failed");
res = g_dbus_error_strip_remote_error (error);
g_assert (res);
g_assert_cmpstr (error->message, ==, "Failed");
g_clear_error (&error);
g_free (msg);
g_dbus_error_set_dbus_error (&error, "org.gtk.test.Error.Failed", "Failed again", "Prefix %d", 1);
res = g_dbus_error_is_remote_error (error);
msg = g_dbus_error_get_remote_error (error);
g_assert (res);
g_assert_cmpstr (msg, ==, "org.gtk.test.Error.Failed");
res = g_dbus_error_strip_remote_error (error);
g_assert (res);
g_assert_cmpstr (error->message, ==, "Prefix 1: Failed again");
g_clear_error (&error);
g_free (msg);
error = g_error_new_literal (G_IO_ERROR, G_IO_ERROR_NOT_EMPTY, "Not Empty");
res = g_dbus_error_is_remote_error (error);
msg = g_dbus_error_get_remote_error (error);
g_assert (!res);
g_assert_cmpstr (msg, ==, NULL);
res = g_dbus_error_strip_remote_error (error);
g_assert (!res);
g_assert_cmpstr (error->message, ==, "Not Empty");
g_clear_error (&error);
error = g_error_new_literal (test_error_quark, TEST_ERROR_BLA, "Bla");
msg = g_dbus_error_encode_gerror (error);
g_assert_cmpstr (msg, ==, "org.gtk.test.Error.Bla");
g_free (msg);
g_clear_error (&error);
res = g_dbus_error_unregister_error (test_error_quark,
TEST_ERROR_BLA, "org.gtk.test.Error.Bla");
g_assert (res);
}
/* ---------------------------------------------------------------------------------------------------- */
int
main (int argc,
char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/gdbus/registered-errors", test_registered_errors);
g_test_add_func ("/gdbus/unregistered-errors", test_unregistered_errors);
g_test_add_func ("/gdbus/transparent-gerror", test_transparent_gerror);
g_test_add_func ("/gdbus/register-error", test_register_error);
return g_test_run();
}
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