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glib/gio/tests/gdbus-introspection.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 "gdbus-tests.h"
/* all tests rely on a shared mainloop */
static GMainLoop *loop = NULL;
/* ---------------------------------------------------------------------------------------------------- */
/* Test introspection parser */
/* ---------------------------------------------------------------------------------------------------- */
static void
test_introspection (GDBusProxy *proxy)
{
GError *error;
const gchar *xml_data;
GDBusNodeInfo *node_info;
GDBusInterfaceInfo *interface_info;
GDBusMethodInfo *method_info;
GDBusSignalInfo *signal_info;
GVariant *result;
error = NULL;
/*
* Invoke Introspect(), then parse the output.
*/
result = g_dbus_proxy_call_sync (proxy,
"org.freedesktop.DBus.Introspectable.Introspect",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert (result != NULL);
g_variant_get (result, "(&s)", &xml_data);
node_info = g_dbus_node_info_new_for_xml (xml_data, &error);
g_assert_no_error (error);
g_assert (node_info != NULL);
/* for now we only check a couple of things. TODO: check more things */
interface_info = g_dbus_node_info_lookup_interface (node_info, "com.example.NonExistantInterface");
g_assert (interface_info == NULL);
interface_info = g_dbus_node_info_lookup_interface (node_info, "org.freedesktop.DBus.Introspectable");
g_assert (interface_info != NULL);
method_info = g_dbus_interface_info_lookup_method (interface_info, "NonExistantMethod");
g_assert (method_info == NULL);
method_info = g_dbus_interface_info_lookup_method (interface_info, "Introspect");
g_assert (method_info != NULL);
g_assert (method_info->in_args != NULL);
g_assert (method_info->in_args[0] == NULL);
g_assert (method_info->out_args != NULL);
g_assert (method_info->out_args[0] != NULL);
g_assert (method_info->out_args[1] == NULL);
g_assert_cmpstr (method_info->out_args[0]->signature, ==, "s");
interface_info = g_dbus_node_info_lookup_interface (node_info, "com.example.Frob");
g_assert (interface_info != NULL);
signal_info = g_dbus_interface_info_lookup_signal (interface_info, "TestSignal");
g_assert (signal_info != NULL);
g_assert (signal_info->args != NULL);
g_assert (signal_info->args[0] != NULL);
g_assert_cmpstr (signal_info->args[0]->signature, ==, "s");
g_assert (signal_info->args[1] != NULL);
g_assert_cmpstr (signal_info->args[1]->signature, ==, "o");
g_assert (signal_info->args[2] != NULL);
g_assert_cmpstr (signal_info->args[2]->signature, ==, "v");
g_assert (signal_info->args[3] == NULL);
g_dbus_node_info_unref (node_info);
g_variant_unref (result);
g_main_loop_quit (loop);
}
static void
test_introspection_parser (void)
{
GDBusProxy *proxy;
GDBusConnection *connection;
GError *error;
error = NULL;
connection = g_bus_get_sync (G_BUS_TYPE_SESSION,
NULL,
&error);
g_assert_no_error (error);
error = NULL;
proxy = g_dbus_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL, /* GDBusInterfaceInfo */
"com.example.TestService", /* name */
"/com/example/TestObject", /* object path */
"com.example.Frob", /* interface */
NULL, /* GCancellable */
&error);
g_assert_no_error (error);
/* 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));
_g_assert_property_notify (proxy, "g-name-owner");
test_introspection (proxy);
g_object_unref (proxy);
g_object_unref (connection);
}
/* check that a parse-generate roundtrip produces identical results
*/
static void
test_generate (void)
{
GDBusNodeInfo *info;
GDBusNodeInfo *info2;
GDBusInterfaceInfo *iinfo;
GDBusMethodInfo *minfo;
GDBusSignalInfo *sinfo;
GDBusArgInfo *arginfo;
GDBusPropertyInfo *pinfo;
GDBusAnnotationInfo *aninfo;
const gchar *data =
" <node>"
" <interface name='com.example.Frob'>"
" <annotation name='foo' value='bar'/>"
" <method name='PairReturn'>"
" <annotation name='org.freedesktop.DBus.GLib.Async' value=''/>"
" <arg type='u' name='somenumber' direction='in'/>"
" <arg type='s' name='somestring' direction='out'/>"
" </method>"
" <signal name='HelloWorld'>"
" <arg type='s' name='greeting' direction='out'/>"
" </signal>"
" <method name='Sleep'>"
" <arg type='i' name='timeout' direction='in'/>"
" </method>"
" <property name='y' type='y' access='readwrite'>"
" <annotation name='needs-escaping' value='bar&lt;&gt;&apos;&quot;'/>"
" </property>"
" </interface>"
" </node>";
GString *string;
GString *string2;
GError *error;
error = NULL;
info = g_dbus_node_info_new_for_xml (data, &error);
g_assert_no_error (error);
iinfo = g_dbus_node_info_lookup_interface (info, "com.example.Frob");
aninfo = iinfo->annotations[0];
g_assert_cmpstr (aninfo->key, ==, "foo");
g_assert_cmpstr (aninfo->value, ==, "bar");
g_assert (iinfo->annotations[1] == NULL);
minfo = g_dbus_interface_info_lookup_method (iinfo, "PairReturn");
g_assert_cmpstr (g_dbus_annotation_info_lookup (minfo->annotations, "org.freedesktop.DBus.GLib.Async"), ==, "");
arginfo = minfo->in_args[0];
g_assert_cmpstr (arginfo->name, ==, "somenumber");
g_assert_cmpstr (arginfo->signature, ==, "u");
g_assert (minfo->in_args[1] == NULL);
arginfo = minfo->out_args[0];
g_assert_cmpstr (arginfo->name, ==, "somestring");
g_assert_cmpstr (arginfo->signature, ==, "s");
g_assert (minfo->out_args[1] == NULL);
sinfo = g_dbus_interface_info_lookup_signal (iinfo, "HelloWorld");
arginfo = sinfo->args[0];
g_assert_cmpstr (arginfo->name, ==, "greeting");
g_assert_cmpstr (arginfo->signature, ==, "s");
g_assert (sinfo->args[1] == NULL);
pinfo = g_dbus_interface_info_lookup_property (iinfo, "y");
g_assert_cmpstr (pinfo->signature, ==, "y");
g_assert_cmpint (pinfo->flags, ==, G_DBUS_PROPERTY_INFO_FLAGS_READABLE |
G_DBUS_PROPERTY_INFO_FLAGS_WRITABLE);
string = g_string_new ("");
g_dbus_node_info_generate_xml (info, 2, string);
info2 = g_dbus_node_info_new_for_xml (string->str, &error);
string2 = g_string_new ("");
g_dbus_node_info_generate_xml (info2, 2, string2);
g_assert_cmpstr (string->str, ==, string2->str);
g_string_free (string, TRUE);
g_string_free (string2, TRUE);
g_dbus_node_info_unref (info);
g_dbus_node_info_unref (info2);
}
/* test that omitted direction attributes default to 'out' for signals,
* and 'in' for methods.
*/
static void
test_default_direction (void)
{
GDBusNodeInfo *info;
GDBusInterfaceInfo *iinfo;
GDBusMethodInfo *minfo;
GDBusSignalInfo *sinfo;
GDBusArgInfo *arginfo;
const gchar *data =
" <node>"
" <interface name='com.example.Frob'>"
" <signal name='HelloWorld'>"
" <arg type='s' name='greeting'/>"
" </signal>"
" <method name='Sleep'>"
" <arg type='i' name='timeout'/>"
" </method>"
" </interface>"
" </node>";
GError *error;
error = NULL;
info = g_dbus_node_info_new_for_xml (data, &error);
g_assert_no_error (error);
iinfo = g_dbus_node_info_lookup_interface (info, "com.example.Frob");
sinfo = g_dbus_interface_info_lookup_signal (iinfo, "HelloWorld");
g_assert (sinfo->args != NULL);
arginfo = sinfo->args[0];
g_assert_cmpstr (arginfo->name, ==, "greeting");
g_assert (sinfo->args[1] == NULL);
minfo = g_dbus_interface_info_lookup_method (iinfo, "Sleep");
g_assert (minfo->in_args != NULL);
arginfo = minfo->in_args[0];
g_assert_cmpstr (arginfo->name, ==, "timeout");
g_assert (minfo->in_args[1] == NULL);
g_dbus_node_info_unref (info);
}
static void
test_extra_data (void)
{
GDBusNodeInfo *info;
const gchar *data =
" <node>"
" <interface name='com.example.Frob' version='1.0'>"
" <doc:doc><doc:description><doc:para>Blah blah</doc:para></doc:description></doc:doc>"
" <method name='DownloadPackages'>"
" <arg type='u' name='somenumber' direction='in'>"
" <doc:doc><doc:summary><doc:para>"
" See <doc:ulink url='http:///example.com'>example</doc:ulink>"
" </doc:para></doc:summary></doc:doc>"
" </arg>"
" <arg type='s' name='somestring' direction='out'>"
" <doc:doc><doc:summary><doc:para>"
" More docs"
" </doc:para></doc:summary></doc:doc>"
" </arg>"
" </method>"
" <signal name='HelloWorld'>"
" <arg type='s' name='somestring'/>"
" </signal>"
" <method name='Sleep'>"
" <arg type='i' name='timeout' direction='in'/>"
" </method>"
" <property name='y' type='y' access='readwrite'/>"
" </interface>"
" </node>";
GError *error;
error = NULL;
info = g_dbus_node_info_new_for_xml (data, &error);
g_assert_no_error (error);
g_dbus_node_info_unref (info);
}
/* ---------------------------------------------------------------------------------------------------- */
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_add_func ("/gdbus/introspection-parser", test_introspection_parser);
g_test_add_func ("/gdbus/introspection-generate", test_generate);
g_test_add_func ("/gdbus/introspection-default-direction", test_default_direction);
g_test_add_func ("/gdbus/introspection-extra-data", test_extra_data);
ret = session_bus_run ();
while (g_main_context_iteration (NULL, FALSE));
g_main_loop_unref (loop);
return ret;
}
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