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#define _DEFAULT_SOURCE
#include "../client/dconf-client.h"
#include "../engine/dconf-engine.h"
#include "dconf-mock.h"
#include <string.h>
#include <stdlib.h>
static GThread *main_thread;
static void
test_lifecycle (void)
{
DConfClient *client;
GWeakRef weak;
client = dconf_client_new ();
g_weak_ref_init (&weak, client);
g_object_unref (client);
g_assert (g_weak_ref_get (&weak) == NULL);
g_weak_ref_clear (&weak);
}
static gboolean changed_was_called;
static void
changed (DConfClient *client,
const gchar *prefix,
const gchar * const *changes,
const gchar *tag,
gpointer user_data)
{
g_assert (g_thread_self () == main_thread);
changed_was_called = TRUE;
}
static void
check_and_free (GVariant *to_check,
GVariant *expected)
{
if (expected)
{
g_variant_ref_sink (expected);
g_assert (to_check);
g_assert (g_variant_equal (to_check, expected));
g_variant_unref (to_check);
g_variant_unref (expected);
}
else
g_assert (to_check == NULL);
}
static void
queue_up_100_writes (DConfClient *client)
{
gint i;
/* We send 100 writes, letting them pile up.
* At no time should there be more than one write on the wire.
*/
for (i = 0; i < 100; i++)
{
changed_was_called = FALSE;
dconf_client_write_fast (client, "/test/value", g_variant_new_int32 (i), NULL);
g_assert (changed_was_called);
/* We should always see the most recently written value. */
check_and_free (dconf_client_read (client, "/test/value"), g_variant_new_int32 (i));
check_and_free (dconf_client_read_full (client, "/test/value", DCONF_READ_DEFAULT_VALUE, NULL), NULL);
}
g_assert_cmpint (g_queue_get_length (&dconf_mock_dbus_outstanding_call_handles), ==, 1);
}
static void
fail_one_call (void)
{
DConfEngineCallHandle *handle;
GError *error;
error = g_error_new_literal (G_FILE_ERROR, G_FILE_ERROR_NOENT, "--expected error from testcase--");
handle = g_queue_pop_head (&dconf_mock_dbus_outstanding_call_handles);
dconf_engine_call_handle_reply (handle, NULL, error);
g_error_free (error);
}
static GLogWriterOutput
log_writer_cb (GLogLevelFlags log_level,
const GLogField *fields,
gsize n_fields,
gpointer user_data)
{
gsize i;
for (i = 0; i < n_fields; i++)
{
if (g_strcmp0 (fields[i].key, "MESSAGE") == 0 &&
strstr (fields[i].value, "--expected error from testcase--"))
return G_LOG_WRITER_HANDLED;
}
return G_LOG_WRITER_UNHANDLED;
}
static void
test_fast (void)
{
DConfClient *client;
g_log_set_writer_func (log_writer_cb, NULL, NULL);
client = dconf_client_new ();
g_signal_connect (client, "changed", G_CALLBACK (changed), NULL);
queue_up_100_writes (client);
/* Start indicating that the writes failed.
*
* Because of the pending-merge logic, we should only have had to fail two calls.
*
* Each time, we should see a change notify.
*/
g_assert_cmpint (g_queue_get_length (&dconf_mock_dbus_outstanding_call_handles), == , 1);
changed_was_called = FALSE;
fail_one_call ();
g_assert (changed_was_called);
/* For the first failure, we should continue to see the most recently written value (99) */
check_and_free (dconf_client_read (client, "/test/value"), g_variant_new_int32 (99));
check_and_free (dconf_client_read_full (client, "/test/value", DCONF_READ_DEFAULT_VALUE, NULL), NULL);
g_assert_cmpint (g_queue_get_length (&dconf_mock_dbus_outstanding_call_handles), == , 1);
changed_was_called = FALSE;
fail_one_call ();
g_assert (changed_was_called);
/* Should read back now as NULL */
check_and_free (dconf_client_read (client, "/test/value"), NULL);
check_and_free (dconf_client_read_full (client, "/test/value", DCONF_READ_DEFAULT_VALUE, NULL), NULL);
g_assert_cmpint (g_queue_get_length (&dconf_mock_dbus_outstanding_call_handles), == , 0);
/* Cleanup */
g_signal_handlers_disconnect_by_func (client, changed, NULL);
g_object_unref (client);
}
static gboolean changed_a, changed_b, changed_c;
static void
coalesce_changed (DConfClient *client,
const gchar *prefix,
const gchar * const *changes,
const gchar *tag,
gpointer user_data)
{
changed_a = g_str_equal (prefix, "/test/a") || g_strv_contains (changes, "a");
changed_b = g_str_equal (prefix, "/test/b") || g_strv_contains (changes, "b");
changed_c = g_str_equal (prefix, "/test/c") || g_strv_contains (changes, "c");
}
static void
test_coalesce (void)
{
gint i, a, b, c;
gboolean should_change_a, should_change_b, should_change_c;
g_autoptr(DConfClient) client = NULL;
gint changes[][3] = {
{1, 0, 0},
{1, 1, 1},
{0, 1, 1},
{0, 0, 1},
{0, 0, 0},
{1, 0, 0},
{1, 0, 0},
};
client = dconf_client_new ();
g_signal_connect (client, "changed", G_CALLBACK (coalesce_changed), NULL);
a = b = c = 0;
for (i = 0; i != G_N_ELEMENTS (changes); ++i)
{
g_autoptr(DConfChangeset) changeset = NULL;
should_change_a = changes[i][0];
should_change_b = changes[i][1];
should_change_c = changes[i][2];
changeset = dconf_changeset_new ();
if (should_change_a)
dconf_changeset_set (changeset, "/test/a", g_variant_new_int32 (++a));
if (should_change_b)
dconf_changeset_set (changeset, "/test/b", g_variant_new_int32 (++b));
if (should_change_c)
dconf_changeset_set (changeset, "/test/c", g_variant_new_int32 (++c));
changed_a = changed_b = changed_c = FALSE;
g_assert_true (dconf_client_change_fast (client, changeset, NULL));
/* Notifications should be only about keys we have just written. */
g_assert_cmpint (should_change_a, ==, changed_a);
g_assert_cmpint (should_change_b, ==, changed_b);
g_assert_cmpint (should_change_c, ==, changed_c);
/* We should see value from the most recent write or NULL if we haven't written it yet. */
check_and_free (dconf_client_read (client, "/test/a"), a == 0 ? NULL : g_variant_new_int32 (a));
check_and_free (dconf_client_read (client, "/test/b"), b == 0 ? NULL : g_variant_new_int32 (b));
check_and_free (dconf_client_read (client, "/test/c"), c == 0 ? NULL : g_variant_new_int32 (c));
}
dconf_mock_dbus_async_reply (g_variant_new ("(s)", "1"), NULL);
dconf_mock_dbus_async_reply (g_variant_new ("(s)", "2"), NULL);
/* There should be no more requests since all but first have been
* coalesced together. */
dconf_mock_dbus_assert_no_async ();
/* Cleanup */
g_signal_handlers_disconnect_by_func (client, changed, NULL);
}
int
main (int argc, char **argv)
{
setenv ("DCONF_PROFILE", SRCDIR "/profile/will-never-exist", TRUE);
main_thread = g_thread_self ();
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/client/lifecycle", test_lifecycle);
g_test_add_func ("/client/basic-fast", test_fast);
g_test_add_func ("/client/coalesce", test_coalesce);
return g_test_run ();
}
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