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glib/gio/tests/gdbus-proxy.c
Simon McVittie fe14968c0d gdbus: Use symbolic constants to call message bus methods 
These function arguments are arranged in the obvious order from
conceptually largest to smallest: (bus name, path, interface, method).

Signed-off-by: Simon McVittie <smcv@collabora.com>
2024-05-16 22:52:22 +01:00

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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 "gdbusprivate.h"
#include "gdbus-tests.h"
/* all tests rely on a shared mainloop */
static GMainLoop *loop = NULL;
/* ---------------------------------------------------------------------------------------------------- */
/* Test that the method aspects of GDBusProxy works */
/* ---------------------------------------------------------------------------------------------------- */
static void
test_methods (GDBusProxy *proxy)
{
GVariant *result;
GError *error;
const gchar *str;
gchar *dbus_error_name;
/* check that we can invoke a method */
error = NULL;
result = g_dbus_proxy_call_sync (proxy,
"HelloWorld",
g_variant_new ("(s)", "Hey"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert_nonnull (result);
g_assert_cmpstr (g_variant_get_type_string (result), ==, "(s)");
g_variant_get (result, "(&s)", &str);
g_assert_cmpstr (str, ==, "You greeted me with 'Hey'. Thanks!");
g_variant_unref (result);
/* Check that we can completely recover the returned error */
result = g_dbus_proxy_call_sync (proxy,
"HelloWorld",
g_variant_new ("(s)", "Yo"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_DBUS_ERROR);
g_assert_true (g_dbus_error_is_remote_error (error));
g_assert_true (g_dbus_error_is_remote_error (error));
g_assert_null (result);
dbus_error_name = g_dbus_error_get_remote_error (error);
g_assert_cmpstr (dbus_error_name, ==, "com.example.TestException");
g_free (dbus_error_name);
g_assert_true (g_dbus_error_strip_remote_error (error));
g_assert_cmpstr (error->message, ==, "Yo is not a proper greeting");
g_clear_error (&error);
/* Check that we get a timeout if the method handling is taking longer than
* timeout. We use such a long sleep because on slow machines, if the
* sleep isn't much longer than the timeout and we're doing a parallel
* build, there's no guarantee we'll be scheduled in the window between
* the timeout being hit and the sleep finishing. */
error = NULL;
result = g_dbus_proxy_call_sync (proxy,
"Sleep",
g_variant_new ("(i)", 10000 /* msec */),
G_DBUS_CALL_FLAGS_NONE,
100 /* msec */,
NULL,
&error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_TIMED_OUT);
g_assert_false (g_dbus_error_is_remote_error (error));
g_assert_null (result);
g_clear_error (&error);
/* Check that proxy-default timeouts work. */
g_assert_cmpint (g_dbus_proxy_get_default_timeout (proxy), ==, -1);
/* the default timeout is 25000 msec so this should work */
result = g_dbus_proxy_call_sync (proxy,
"Sleep",
g_variant_new ("(i)", 500 /* msec */),
G_DBUS_CALL_FLAGS_NONE,
-1, /* use proxy default (e.g. -1 -> e.g. 25000 msec) */
NULL,
&error);
g_assert_no_error (error);
g_assert_nonnull (result);
g_assert_cmpstr (g_variant_get_type_string (result), ==, "()");
g_variant_unref (result);
/* Now set the proxy-default timeout to 250 msec and try the 10000 msec
* call - this should FAIL. Again, we use such a long sleep because on slow
* machines there's no guarantee we'll be scheduled when we want to be. */
g_dbus_proxy_set_default_timeout (proxy, 250);
g_assert_cmpint (g_dbus_proxy_get_default_timeout (proxy), ==, 250);
result = g_dbus_proxy_call_sync (proxy,
"Sleep",
g_variant_new ("(i)", 10000 /* msec */),
G_DBUS_CALL_FLAGS_NONE,
-1, /* use proxy default (e.g. 250 msec) */
NULL,
&error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_TIMED_OUT);
g_assert_false (g_dbus_error_is_remote_error (error));
g_assert_null (result);
g_clear_error (&error);
/* clean up after ourselves */
g_dbus_proxy_set_default_timeout (proxy, -1);
}
static gboolean
strv_equal (gchar **strv, ...)
{
gsize count;
va_list list;
const gchar *str;
gboolean res;
res = TRUE;
count = 0;
va_start (list, strv);
while (1)
{
str = va_arg (list, const gchar *);
if (str == NULL)
break;
if (g_strcmp0 (str, strv[count]) != 0)
{
res = FALSE;
break;
}
count++;
}
va_end (list);
if (res)
res = g_strv_length (strv) == count;
return res;
}
/* ---------------------------------------------------------------------------------------------------- */
/* Test that the property aspects of GDBusProxy works */
/* ---------------------------------------------------------------------------------------------------- */
static void
test_properties (GDBusProxy *proxy)
{
GError *error;
GVariant *variant;
GVariant *variant2;
GVariant *result;
gchar **names;
gchar *name_owner;
GDBusProxy *proxy2;
error = NULL;
if (g_dbus_proxy_get_flags (proxy) & G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES)
{
g_assert_null (g_dbus_proxy_get_cached_property_names (proxy));
return;
}
/*
* Check that we can list all cached properties.
*/
names = g_dbus_proxy_get_cached_property_names (proxy);
g_assert_true (strv_equal (names,
"PropertyThatWillBeInvalidated",
"ab",
"ad",
"ai",
"an",
"ao",
"aq",
"as",
"at",
"au",
"ax",
"ay",
"b",
"d",
"foo",
"i",
"n",
"o",
"q",
"s",
"t",
"u",
"x",
"y",
NULL));
g_strfreev (names);
/*
* Check that we can read cached properties.
*
* No need to test all properties - GVariant has already been tested
*/
variant = g_dbus_proxy_get_cached_property (proxy, "y");
g_assert_nonnull (variant);
g_assert_cmpint (g_variant_get_byte (variant), ==, 1);
g_variant_unref (variant);
variant = g_dbus_proxy_get_cached_property (proxy, "o");
g_assert_nonnull (variant);
g_assert_cmpstr (g_variant_get_string (variant, NULL), ==, "/some/path");
g_variant_unref (variant);
/*
* Now ask the service to change a property and check that #GDBusProxy::g-property-changed
* is received. Also check that the cache is updated.
*/
variant2 = g_variant_new_byte (42);
result = g_dbus_proxy_call_sync (proxy,
"FrobSetProperty",
g_variant_new ("(sv)",
"y",
variant2),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert_nonnull (result);
g_assert_cmpstr (g_variant_get_type_string (result), ==, "()");
g_variant_unref (result);
_g_assert_signal_received (proxy, "g-properties-changed");
variant = g_dbus_proxy_get_cached_property (proxy, "y");
g_assert_nonnull (variant);
g_assert_cmpint (g_variant_get_byte (variant), ==, 42);
g_variant_unref (variant);
g_dbus_proxy_set_cached_property (proxy, "y", g_variant_new_byte (142));
variant = g_dbus_proxy_get_cached_property (proxy, "y");
g_assert_nonnull (variant);
g_assert_cmpint (g_variant_get_byte (variant), ==, 142);
g_variant_unref (variant);
g_dbus_proxy_set_cached_property (proxy, "y", NULL);
variant = g_dbus_proxy_get_cached_property (proxy, "y");
g_assert_null (variant);
/* Check that the invalidation feature of the PropertiesChanged()
* signal works... First, check that we have a cached value of the
* property (from the initial GetAll() call)
*/
variant = g_dbus_proxy_get_cached_property (proxy, "PropertyThatWillBeInvalidated");
g_assert_nonnull (variant);
g_assert_cmpstr (g_variant_get_string (variant, NULL), ==, "InitialValue");
g_variant_unref (variant);
/* now ask to invalidate the property - this causes a
*
* PropertiesChanaged("com.example.Frob",
* {},
* ["PropertyThatWillBeInvalidated")
*
* signal to be emitted. This is received before the method reply
* for FrobInvalidateProperty *but* since the proxy was created in
* the same thread as we're doing this synchronous call, we'll get
* the method reply before...
*/
result = g_dbus_proxy_call_sync (proxy,
"FrobInvalidateProperty",
g_variant_new ("(s)", "OMGInvalidated"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert_nonnull (result);
g_assert_cmpstr (g_variant_get_type_string (result), ==, "()");
g_variant_unref (result);
/* ... hence we wait for the g-properties-changed signal to be delivered */
_g_assert_signal_received (proxy, "g-properties-changed");
/* ... and now we finally, check that the cached value has been invalidated */
variant = g_dbus_proxy_get_cached_property (proxy, "PropertyThatWillBeInvalidated");
g_assert_null (variant);
/* Now test that G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES works - we need a new proxy for that */
error = NULL;
proxy2 = g_dbus_proxy_new_sync (g_dbus_proxy_get_connection (proxy),
G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES,
NULL, /* GDBusInterfaceInfo */
"com.example.TestService", /* name */
"/com/example/TestObject", /* object path */
"com.example.Frob", /* interface */
NULL, /* GCancellable */
&error);
g_assert_no_error (error);
name_owner = g_dbus_proxy_get_name_owner (proxy2);
g_assert_nonnull (name_owner);
g_free (name_owner);
variant = g_dbus_proxy_get_cached_property (proxy2, "PropertyThatWillBeInvalidated");
g_assert_nonnull (variant);
g_assert_cmpstr (g_variant_get_string (variant, NULL), ==, "OMGInvalidated"); /* from previous test */
g_variant_unref (variant);
result = g_dbus_proxy_call_sync (proxy2,
"FrobInvalidateProperty",
g_variant_new ("(s)", "OMGInvalidated2"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert_nonnull (result);
g_assert_cmpstr (g_variant_get_type_string (result), ==, "()");
g_variant_unref (result);
/* this time we should get the ::g-properties-changed _with_ the value */
_g_assert_signal_received (proxy2, "g-properties-changed");
variant = g_dbus_proxy_get_cached_property (proxy2, "PropertyThatWillBeInvalidated");
g_assert_nonnull (variant);
g_assert_cmpstr (g_variant_get_string (variant, NULL), ==, "OMGInvalidated2");
g_variant_unref (variant);
g_object_unref (proxy2);
}
/* ---------------------------------------------------------------------------------------------------- */
/* Test that the signal aspects of GDBusProxy works */
/* ---------------------------------------------------------------------------------------------------- */
static void
test_proxy_signals_on_signal (GDBusProxy *proxy,
const gchar *sender_name,
const gchar *signal_name,
GVariant *parameters,
gpointer user_data)
{
GString *s = user_data;
g_assert_cmpstr (signal_name, ==, "TestSignal");
g_assert_cmpstr (g_variant_get_type_string (parameters), ==, "(sov)");
g_variant_print_string (parameters, s, TRUE);
}
typedef struct
{
GMainLoop *internal_loop;
GString *s;
} TestSignalData;
static void
test_proxy_signals_on_emit_signal_cb (GDBusProxy *proxy,
GAsyncResult *res,
gpointer user_data)
{
TestSignalData *data = user_data;
GError *error;
GVariant *result;
error = NULL;
result = g_dbus_proxy_call_finish (proxy,
res,
&error);
g_assert_no_error (error);
g_assert_nonnull (result);
g_assert_cmpstr (g_variant_get_type_string (result), ==, "()");
g_variant_unref (result);
/* check that the signal was received before we got the method result */
g_assert_cmpuint (strlen (data->s->str), >, 0);
/* break out of the loop */
g_main_loop_quit (data->internal_loop);
}
static void
test_signals (GDBusProxy *proxy)
{
GError *error;
GString *s;
gulong signal_handler_id;
TestSignalData data;
GVariant *result;
error = NULL;
/*
* Ask the service to emit a signal and check that we receive it.
*
* Note that blocking calls don't block in the mainloop so wait for the signal (which
* is dispatched before the method reply)
*/
s = g_string_new (NULL);
signal_handler_id = g_signal_connect (proxy,
"g-signal",
G_CALLBACK (test_proxy_signals_on_signal),
s);
result = g_dbus_proxy_call_sync (proxy,
"EmitSignal",
g_variant_new ("(so)",
"Accept the next proposition you hear",
"/some/path"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert_nonnull (result);
g_assert_cmpstr (g_variant_get_type_string (result), ==, "()");
g_variant_unref (result);
/* check that we haven't received the signal just yet */
g_assert_cmpuint (strlen (s->str), ==, 0);
/* and now wait for the signal */
_g_assert_signal_received (proxy, "g-signal");
g_assert_cmpstr (s->str,
==,
"('Accept the next proposition you hear .. in bed!', objectpath '/some/path/in/bed', <'a variant'>)");
g_signal_handler_disconnect (proxy, signal_handler_id);
g_string_free (s, TRUE);
/*
* Now do this async to check the signal is received before the method returns.
*/
s = g_string_new (NULL);
data.internal_loop = g_main_loop_new (NULL, FALSE);
data.s = s;
signal_handler_id = g_signal_connect (proxy,
"g-signal",
G_CALLBACK (test_proxy_signals_on_signal),
s);
g_dbus_proxy_call (proxy,
"EmitSignal",
g_variant_new ("(so)",
"You will make a great programmer",
"/some/other/path"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
(GAsyncReadyCallback) test_proxy_signals_on_emit_signal_cb,
&data);
g_main_loop_run (data.internal_loop);
g_main_loop_unref (data.internal_loop);
g_assert_cmpstr (s->str,
==,
"('You will make a great programmer .. in bed!', objectpath '/some/other/path/in/bed', <'a variant'>)");
g_signal_handler_disconnect (proxy, signal_handler_id);
g_string_free (s, TRUE);
}
/* ---------------------------------------------------------------------------------------------------- */
static void
test_bogus_method_return (GDBusProxy *proxy)
{
GError *error = NULL;
GVariant *result;
result = g_dbus_proxy_call_sync (proxy,
"PairReturn",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
g_error_free (error);
g_assert_null (result);
}
#if 0 /* Disabled: see https://bugzilla.gnome.org/show_bug.cgi?id=658999 */
static void
test_bogus_signal (GDBusProxy *proxy)
{
GError *error = NULL;
GVariant *result;
GDBusInterfaceInfo *old_iface_info;
result = g_dbus_proxy_call_sync (proxy,
"EmitSignal2",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert_nonnull (result);
g_assert_cmpstr (g_variant_get_type_string (result), ==, "()");
g_variant_unref (result);
if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR))
{
/* and now wait for the signal that will never arrive */
_g_assert_signal_received (proxy, "g-signal");
}
g_test_trap_assert_stderr ("*Dropping signal TestSignal2 of type (i) since the type from the expected interface is (u)*");
g_test_trap_assert_failed();
/* Our main branch will also do g_warning() when running the mainloop so
* temporarily remove the expected interface
*/
old_iface_info = g_dbus_proxy_get_interface_info (proxy);
g_dbus_proxy_set_interface_info (proxy, NULL);
_g_assert_signal_received (proxy, "g-signal");
g_dbus_proxy_set_interface_info (proxy, old_iface_info);
}
static void
test_bogus_property (GDBusProxy *proxy)
{
GError *error = NULL;
GVariant *result;
GDBusInterfaceInfo *old_iface_info;
/* Make the service emit a PropertiesChanged signal for property 'i' of type 'i' - since
* our introspection data has this as type 'u' we should get a warning on stderr.
*/
result = g_dbus_proxy_call_sync (proxy,
"FrobSetProperty",
g_variant_new ("(sv)",
"i", g_variant_new_int32 (42)),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert_nonnull (result);
g_assert_cmpstr (g_variant_get_type_string (result), ==, "()");
g_variant_unref (result);
if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR))
{
/* and now wait for the signal that will never arrive */
_g_assert_signal_received (proxy, "g-properties-changed");
}
g_test_trap_assert_stderr ("*Received property i with type i does not match expected type u in the expected interface*");
g_test_trap_assert_failed();
/* Our main branch will also do g_warning() when running the mainloop so
* temporarily remove the expected interface
*/
old_iface_info = g_dbus_proxy_get_interface_info (proxy);
g_dbus_proxy_set_interface_info (proxy, NULL);
_g_assert_signal_received (proxy, "g-properties-changed");
g_dbus_proxy_set_interface_info (proxy, old_iface_info);
}
#endif /* Disabled: see https://bugzilla.gnome.org/show_bug.cgi?id=658999 */
/* ---------------------------------------------------------------------------------------------------- */
static const gchar *frob_dbus_interface_xml =
"<node>"
" <interface name='com.example.Frob'>"
/* PairReturn() is deliberately different from gdbus-testserver's definition */
" <method name='PairReturn'>"
" <arg type='u' name='somenumber' direction='in'/>"
" <arg type='s' name='somestring' direction='out'/>"
" </method>"
" <method name='HelloWorld'>"
" <arg type='s' name='somestring' direction='in'/>"
" <arg type='s' name='somestring' direction='out'/>"
" </method>"
" <method name='Sleep'>"
" <arg type='i' name='timeout' direction='in'/>"
" </method>"
/* We deliberately only mention a single property here */
" <property name='y' type='y' access='readwrite'/>"
/* The 'i' property is deliberately different from gdbus-testserver's definition */
" <property name='i' type='u' access='readwrite'/>"
/* ::TestSignal2 is deliberately different from gdbus-testserver's definition */
" <signal name='TestSignal2'>"
" <arg type='u' name='somenumber'/>"
" </signal>"
" </interface>"
"</node>";
static GDBusInterfaceInfo *frob_dbus_interface_info;
static void
test_expected_interface (GDBusProxy *proxy)
{
GVariant *value;
GError *error;
/* This is obviously wrong but expected interface is not set so we don't fail... */
g_dbus_proxy_set_cached_property (proxy, "y", g_variant_new_string ("error_me_out!"));
g_dbus_proxy_set_cached_property (proxy, "y", g_variant_new_byte (42));
g_dbus_proxy_set_cached_property (proxy, "does-not-exist", g_variant_new_string ("something"));
g_dbus_proxy_set_cached_property (proxy, "does-not-exist", NULL);
/* Now repeat the method tests, with an expected interface set */
g_dbus_proxy_set_interface_info (proxy, frob_dbus_interface_info);
test_methods (proxy);
test_signals (proxy);
/* And also where we deliberately set the expected interface definition incorrectly */
test_bogus_method_return (proxy);
/* Disabled: see https://bugzilla.gnome.org/show_bug.cgi?id=658999
test_bogus_signal (proxy);
test_bogus_property (proxy);
*/
if (g_test_undefined ())
{
/* Also check that we complain if setting a cached property of the wrong type */
g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
"*Trying to set property y of type s but according to the expected interface the type is y*");
value = g_variant_ref_sink (g_variant_new_string ("error_me_out!"));
g_dbus_proxy_set_cached_property (proxy, "y", value);
g_variant_unref (value);
g_test_assert_expected_messages ();
}
/* this should work, however (since the type is correct) */
g_dbus_proxy_set_cached_property (proxy, "y", g_variant_new_byte (42));
if (g_test_undefined ())
{
/* Try to get the value of a property where the type we expect is different from
* what we have in our cache (e.g. what the service returned)
*/
g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
"*Trying to get property i with type i but according to the expected interface the type is u*");
value = g_dbus_proxy_get_cached_property (proxy, "i");
g_test_assert_expected_messages ();
}
/* Even if a property does not exist in expected_interface, looking it
* up, or setting it, should never fail. Because it could be that the
* property has been added to the service but the GDBusInterfaceInfo*
* passed to g_dbus_proxy_set_interface_info() just haven't been updated.
*
* See https://bugzilla.gnome.org/show_bug.cgi?id=660886
*/
value = g_dbus_proxy_get_cached_property (proxy, "d");
g_assert_nonnull (value);
g_assert_true (g_variant_is_of_type (value, G_VARIANT_TYPE_DOUBLE));
g_assert_cmpfloat (g_variant_get_double (value), ==, 7.5);
g_variant_unref (value);
/* update it via the cached property... */
g_dbus_proxy_set_cached_property (proxy, "d", g_variant_new_double (75.0));
/* ... and finally check that it has changed */
value = g_dbus_proxy_get_cached_property (proxy, "d");
g_assert_nonnull (value);
g_assert_true (g_variant_is_of_type (value, G_VARIANT_TYPE_DOUBLE));
g_assert_cmpfloat (g_variant_get_double (value), ==, 75.0);
g_variant_unref (value);
/* now update it via the D-Bus interface... */
error = NULL;
value = g_dbus_proxy_call_sync (proxy, "FrobSetProperty",
g_variant_new ("(sv)", "d", g_variant_new_double (85.0)),
G_DBUS_CALL_FLAGS_NONE,
-1, NULL, &error);
g_assert_no_error (error);
g_assert_nonnull (value);
g_assert_cmpstr (g_variant_get_type_string (value), ==, "()");
g_variant_unref (value);
/* ...ensure we receive the ::PropertiesChanged signal... */
_g_assert_signal_received (proxy, "g-properties-changed");
/* ... and finally check that it has changed */
value = g_dbus_proxy_get_cached_property (proxy, "d");
g_assert_nonnull (value);
g_assert_true (g_variant_is_of_type (value, G_VARIANT_TYPE_DOUBLE));
g_assert_cmpfloat (g_variant_get_double (value), ==, 85.0);
g_variant_unref (value);
}
static void
test_basic (GDBusProxy *proxy)
{
GDBusConnection *connection;
GDBusConnection *conn;
GDBusProxyFlags flags;
GDBusInterfaceInfo *info;
gchar *name;
gchar *path;
gchar *interface;
gint timeout;
connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
g_assert_true (g_dbus_proxy_get_connection (proxy) == connection);
g_assert_null (g_dbus_proxy_get_interface_info (proxy));
g_assert_cmpstr (g_dbus_proxy_get_name (proxy), ==, "com.example.TestService");
g_assert_cmpstr (g_dbus_proxy_get_object_path (proxy), ==, "/com/example/TestObject");
g_assert_cmpstr (g_dbus_proxy_get_interface_name (proxy), ==, "com.example.Frob");
g_assert_cmpint (g_dbus_proxy_get_default_timeout (proxy), ==, -1);
g_object_get (proxy,
"g-connection", &conn,
"g-interface-info", &info,
"g-flags", &flags,
"g-name", &name,
"g-object-path", &path,
"g-interface-name", &interface,
"g-default-timeout", &timeout,
NULL);
g_assert_true (conn == connection);
g_assert_null (info);
g_assert_cmpint (flags, ==, g_dbus_proxy_get_flags (proxy));
g_assert_cmpstr (name, ==, "com.example.TestService");
g_assert_cmpstr (path, ==, "/com/example/TestObject");
g_assert_cmpstr (interface, ==, "com.example.Frob");
g_assert_cmpint (timeout, ==, -1);
g_object_unref (conn);
g_free (name);
g_free (path);
g_free (interface);
g_object_unref (connection);
}
static void
name_disappeared_cb (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
gboolean *name_disappeared = user_data;
*name_disappeared = TRUE;
g_main_context_wakeup (NULL);
}
static void
kill_test_service (GDBusConnection *connection)
{
#ifdef G_OS_UNIX
guint pid;
GVariant *ret;
GError *error = NULL;
const gchar *name = "com.example.TestService";
guint watch_id;
gboolean name_disappeared = FALSE;
ret = g_dbus_connection_call_sync (connection,
DBUS_SERVICE_DBUS,
DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS,
"GetConnectionUnixProcessID",
g_variant_new ("(s)", name),
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_variant_get (ret, "(u)", &pid);
g_variant_unref (ret);
/* Watch the name and wait until it’s disappeared. */
watch_id = g_bus_watch_name_on_connection (connection, name,
G_BUS_NAME_WATCHER_FLAGS_NONE,
NULL, name_disappeared_cb,
&name_disappeared, NULL);
kill (pid, SIGTERM);
while (!name_disappeared)
g_main_context_iteration (NULL, TRUE);
/* GDBusConnection doesn't guarantee that different subscriptions to the
* same signal will get their callbacks scheduled in any particular order,
* so make sure they have all happened */
while (g_main_context_iteration (NULL, FALSE))
continue;
g_bus_unwatch_name (watch_id);
#else
g_warning ("Can't kill com.example.TestService");
#endif
}
static void
test_proxy_with_flags (GDBusProxyFlags flags)
{
GDBusProxy *proxy;
GDBusConnection *connection;
GError *error;
gchar *owner;
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,
flags,
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; we explicitly kill the service later on */
g_assert_true (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_basic (proxy);
test_methods (proxy);
test_properties (proxy);
test_signals (proxy);
test_expected_interface (proxy);
kill_test_service (connection);
owner = g_dbus_proxy_get_name_owner (proxy);
g_assert_null (owner);
g_free (owner);
g_object_unref (proxy);
g_object_unref (connection);
}
static void
test_proxy (void)
{
test_proxy_with_flags (G_DBUS_PROXY_FLAGS_NONE);
}
/* ---------------------------------------------------------------------------------------------------- */
static void
proxy_ready (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GDBusProxy *proxy;
GError *error;
gchar *owner;
error = NULL;
proxy = g_dbus_proxy_new_for_bus_finish (result, &error);
g_assert_no_error (error);
owner = g_dbus_proxy_get_name_owner (proxy);
g_assert_null (owner);
g_free (owner);
/* this is safe; we explicitly kill the service later on */
g_assert_true (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_basic (proxy);
test_methods (proxy);
test_properties (proxy);
test_signals (proxy);
test_expected_interface (proxy);
kill_test_service (g_dbus_proxy_get_connection (proxy));
g_object_unref (proxy);
g_main_loop_quit (loop);
}
static gboolean
fail_test (gpointer user_data)
{
g_assert_not_reached ();
}
static void
test_async (void)
{
guint id;
g_dbus_proxy_new_for_bus (G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_NONE,
NULL, /* GDBusInterfaceInfo */
"com.example.TestService", /* name */
"/com/example/TestObject", /* object path */
"com.example.Frob", /* interface */
NULL, /* GCancellable */
proxy_ready,
NULL);
id = g_timeout_add (10000, fail_test, NULL);
g_main_loop_run (loop);
g_source_remove (id);
}
static void
test_no_properties (void)
{
GDBusProxy *proxy;
GError *error;
error = NULL;
proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES,
NULL, /* GDBusInterfaceInfo */
"com.example.TestService", /* name */
"/com/example/TestObject", /* object path */
"com.example.Frob", /* interface */
NULL, /* GCancellable */
&error);
g_assert_no_error (error);
test_properties (proxy);
g_object_unref (proxy);
}
static void
check_error (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GError *error = NULL;
GVariant *reply;
reply = g_dbus_proxy_call_finish (G_DBUS_PROXY (source), result, &error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_FAILED);
g_assert_null (reply);
g_error_free (error);
g_main_loop_quit (loop);
}
static void
test_wellknown_noauto (void)
{
GError *error = NULL;
GDBusProxy *proxy;
guint id;
proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
NULL, "some.name.that.does.not.exist",
"/", "some.interface", NULL, &error);
g_assert_no_error (error);
g_assert_nonnull (proxy);
g_dbus_proxy_call (proxy, "method", NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, check_error, NULL);
id = g_timeout_add (10000, fail_test, NULL);
g_main_loop_run (loop);
g_object_unref (proxy);
g_source_remove (id);
}
typedef enum {
ADD_MATCH,
REMOVE_MATCH,
} AddOrRemove;
static void
add_or_remove_match_rule (GDBusConnection *connection,
AddOrRemove add_or_remove,
GVariant *match_rule)
{
GDBusMessage *message = NULL;
GError *error = NULL;
message = g_dbus_message_new_method_call (DBUS_SERVICE_DBUS,
DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS,
(add_or_remove == ADD_MATCH) ? "AddMatch" : "RemoveMatch");
g_dbus_message_set_body (message, match_rule);
g_dbus_connection_send_message (connection,
message,
G_DBUS_SEND_MESSAGE_FLAGS_NONE,
NULL,
&error);
g_assert_no_error (error);
g_clear_object (&message);
}
static void
test_proxy_no_match_rule (void)
{
GDBusConnection *connection = NULL;
GVariant *match_rule = NULL;
g_test_summary ("Test that G_DBUS_PROXY_FLAGS_NO_MATCH_RULE works");
g_test_bug ("https://gitlab.gnome.org/GNOME/glib/-/issues/1109");
connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
/* Add a custom match rule which matches everything. */
match_rule = g_variant_ref_sink (g_variant_new ("(s)", "type='signal'"));
add_or_remove_match_rule (connection, ADD_MATCH, match_rule);
/* Run the tests. */
test_proxy_with_flags (G_DBUS_PROXY_FLAGS_NO_MATCH_RULE);
/* Remove the match rule again. */
add_or_remove_match_rule (connection, REMOVE_MATCH, match_rule);
g_clear_pointer (&match_rule, g_variant_unref);
g_clear_object (&connection);
}
int
main (int argc,
char *argv[])
{
gint ret;
GDBusNodeInfo *introspection_data = NULL;
g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
introspection_data = g_dbus_node_info_new_for_xml (frob_dbus_interface_xml, NULL);
g_assert_nonnull (introspection_data);
frob_dbus_interface_info = introspection_data->interfaces[0];
/* all the tests rely on a shared main loop */
loop = g_main_loop_new (NULL, FALSE);
g_test_add_func ("/gdbus/proxy", test_proxy);
g_test_add_func ("/gdbus/proxy/no-properties", test_no_properties);
g_test_add_func ("/gdbus/proxy/wellknown-noauto", test_wellknown_noauto);
g_test_add_func ("/gdbus/proxy/async", test_async);
g_test_add_func ("/gdbus/proxy/no-match-rule", test_proxy_no_match_rule);
ret = session_bus_run();
g_dbus_node_info_unref (introspection_data);
g_main_loop_unref (loop);
return ret;
}
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