gstreamer/tests/check/gst/gstregistry.c

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/* GStreamer unit tests for the plugin registry
*
* Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <gst/check/gstcheck.h>
#include <string.h>
static gint
plugin_name_cmp (GstPlugin * a, GstPlugin * b)
{
const gchar *name_a = gst_plugin_get_name (a);
const gchar *name_b = gst_plugin_get_name (b);
return strcmp (name_a, name_b);
}
static gint
plugin_ptr_cmp (GstPlugin * a, GstPlugin * b)
{
return (a == b) ? 0 : 1;
}
static void
print_plugin (const gchar * marker, GstRegistry * registry, GstPlugin * plugin)
{
const gchar *name;
GList *features, *f;
name = gst_plugin_get_name (plugin);
GST_DEBUG ("%s: plugin %p %d %s file: %s", marker, plugin,
GST_OBJECT_REFCOUNT (plugin), name,
GST_STR_NULL (gst_plugin_get_filename (plugin)));
features = gst_registry_get_feature_list_by_plugin (registry, name);
for (f = features; f != NULL; f = f->next) {
GstPluginFeature *feature;
feature = GST_PLUGIN_FEATURE (f->data);
GST_LOG ("%s: feature: %p %s", marker, feature,
GST_OBJECT_NAME (feature));
}
gst_plugin_feature_list_free (features);
}
GST_START_TEST (test_registry_update)
{
GstPluginFeature *old_identity, *new_identity;
GstPluginFeature *old_pipeline, *new_pipeline;
GstRegistry *registry;
GList *plugins_before, *plugins_after, *l;
registry = gst_registry_get ();
fail_unless (registry != NULL);
ASSERT_OBJECT_REFCOUNT (registry, "default registry", 1);
/* refcount should still be 1 the second time */
registry = gst_registry_get ();
fail_unless (registry != NULL);
ASSERT_OBJECT_REFCOUNT (registry, "default registry", 1);
old_identity = gst_registry_lookup_feature (registry, "identity");
fail_unless (old_identity != NULL, "Can't find plugin feature 'identity'");
old_pipeline = gst_registry_lookup_feature (registry, "pipeline");
fail_unless (old_pipeline != NULL, "Can't find plugin feature 'pipeline'");
/* plugins should have a refcount of 2: the registry holds one reference,
* and the other one is ours for the list */
plugins_before = gst_registry_get_plugin_list (registry);
for (l = plugins_before; l; l = l->next) {
GstPlugin *plugin;
plugin = GST_PLUGIN (l->data);
print_plugin ("before1", registry, plugin);
ASSERT_OBJECT_REFCOUNT (plugin, "plugin", 2);
}
GST_LOG (" ----- calling gst_update_registry -----");
fail_unless (gst_update_registry () != FALSE, "registry update failed");
GST_LOG (" ----- registry updated -----");
/* static plugins should have the same refcount as before (ie. 2), whereas
* file-based plugins *may* have been replaced by a newly-created object
* if the on-disk file changed (and was not yet loaded). There should be
* only one reference left for those, and that's ours */
for (l = plugins_before; l; l = l->next) {
GstPlugin *plugin;
plugin = GST_PLUGIN (l->data);
print_plugin ("before2", registry, plugin);
if (gst_plugin_get_filename (plugin)) {
/* file-based plugin. */
ASSERT_OBJECT_REFCOUNT_BETWEEN (plugin, "plugin", 1, 2);
} else {
/* static plugin */
ASSERT_OBJECT_REFCOUNT (plugin, "plugin", 2);
}
}
GST_LOG (" -----------------------------------");
plugins_after = gst_registry_get_plugin_list (registry);
for (l = plugins_after; l; l = l->next) {
GstPlugin *plugin = GST_PLUGIN (l->data);
print_plugin ("after ", registry, plugin);
/* file-based plugins should have a refcount of 2 (one for the registry,
* one for us for the list) or 3 (one for the registry, one for the before
* list, one for the after list), static plugins should have one of 3
* (one for the registry, one for the new list and one for the old list).
* This implicitly also makes sure that all static plugins are the same
* objects as they were before. Non-static ones may or may not have been
* replaced by new objects */
if (gst_plugin_get_filename (plugin)) {
if (g_list_find_custom (plugins_before, plugin,
(GCompareFunc) plugin_ptr_cmp) != NULL) {
/* Same plugin existed in the before list. Refcount must be 3 */
ASSERT_OBJECT_REFCOUNT (plugin, "plugin", 3);
} else {
/* This plugin is newly created, so should only exist in the after list
* and the registry: Refcount must be 2 */
ASSERT_OBJECT_REFCOUNT (plugin, "plugin", 2);
}
} else {
ASSERT_OBJECT_REFCOUNT (plugin, "plugin", 3);
}
}
/* check that we still have all plugins in the new list that we had before */
for (l = plugins_after; l; l = l->next) {
GstPlugin *plugin;
plugin = GST_PLUGIN (l->data);
fail_unless (g_list_find_custom (plugins_before, plugin,
(GCompareFunc) plugin_name_cmp) != NULL,
"Plugin %s is in new list but not in old one?!",
gst_plugin_get_name (plugin));
}
for (l = plugins_before; l; l = l->next) {
GstPlugin *plugin;
plugin = GST_PLUGIN (l->data);
fail_unless (g_list_find_custom (plugins_after, plugin,
(GCompareFunc) plugin_name_cmp) != NULL,
"Plugin %s is in old list but not in new one?!",
gst_plugin_get_name (plugin));
}
new_identity = gst_registry_lookup_feature (registry, "identity");
fail_unless (new_identity != NULL, "Can't find plugin feature 'identity'");
fail_unless (old_identity == new_identity, "Old and new 'identity' feature "
"objects should be the same, but are different objects");
/* One ref each for: the registry, old_identity, new_identity */
ASSERT_OBJECT_REFCOUNT (old_identity, "old identity feature after update", 3);
new_pipeline = gst_registry_lookup_feature (registry, "pipeline");
fail_unless (new_pipeline != NULL, "Can't find plugin feature 'pipeline'");
fail_unless (old_pipeline == new_pipeline, "Old and new 'pipeline' feature "
"objects should be the same, but are different objects");
gst_plugin_list_free (plugins_before);
plugins_before = NULL;
gst_plugin_list_free (plugins_after);
plugins_after = NULL;
registry = NULL;
gst_object_unref (old_identity);
gst_object_unref (new_identity);
gst_object_unref (old_pipeline);
gst_object_unref (new_pipeline);
}
GST_END_TEST;
static Suite *
registry_suite (void)
{
Suite *s = suite_create ("registry");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_registry_update);
return s;
}
GST_CHECK_MAIN (registry);