Move test-runners has_feature() function to plugin loader

src/libstrongswan/plugins/plugin_loader.c

@@ -387,6 +387,35 @@ METHOD(plugin_loader_t, create_plugin_enumerator, enumerator_t*,
 							(void*)plugin_filter, NULL, NULL);
 }
 
+METHOD(plugin_loader_t, has_feature, bool,
+	private_plugin_loader_t *this, plugin_feature_t feature)
+{
+	enumerator_t *plugins, *features;
+	plugin_t *plugin;
+	linked_list_t *list;
+	plugin_feature_t *current;
+	bool found = FALSE;
+
+	plugins = create_plugin_enumerator(this);
+	while (plugins->enumerate(plugins, &plugin, &list))
+	{
+		features = list->create_enumerator(list);
+		while (features->enumerate(features, &current))
+		{
+			if (plugin_feature_matches(&feature, current))
+			{
+				found = TRUE;
+				break;
+			}
+		}
+		features->destroy(features);
+		list->destroy(list);
+	}
+	plugins->destroy(plugins);
+
+	return found;
+}
+
 /**
  * Create a list of the names of all loaded plugins
  */
@@ -1085,6 +1114,7 @@ plugin_loader_t *plugin_loader_create()
 			.reload = _reload,
 			.unload = _unload,
 			.create_plugin_enumerator = _create_plugin_enumerator,
+			.has_feature = _has_feature,
 			.loaded_plugins = _loaded_plugins,
 			.destroy = _destroy,
 		},

src/libstrongswan/plugins/plugin_loader.h

@@ -92,6 +92,14 @@ struct plugin_loader_t {
 	 */
 	enumerator_t* (*create_plugin_enumerator)(plugin_loader_t *this);
 
+	/**
+	 * Check if the given feature is available and loaded.
+	 *
+	 * @param feature		feature to check
+	 * @return				TRUE if feature available
+	 */
+	bool (*has_feature)(plugin_loader_t *this, struct plugin_feature_t feature);
+
 	/**
 	 * Get a simple list the names of all loaded plugins.
 	 *

src/libstrongswan/tests/test_runner.c

@@ -20,37 +20,6 @@
 #include <library.h>
 #include <plugins/plugin_feature.h>
 
-/**
- * Check if the plugin configuration provides a specific feature
- */
-static bool has_feature(plugin_feature_t feature)
-{
-	enumerator_t *plugins, *features;
-	plugin_t *plugin;
-	linked_list_t *list;
-	plugin_feature_t *current;
-	bool found = FALSE;
-
-	plugins = lib->plugins->create_plugin_enumerator(lib->plugins);
-	while (plugins->enumerate(plugins, &plugin, &list))
-	{
-		features = list->create_enumerator(list);
-		while (features->enumerate(features, &current))
-		{
-			if (plugin_feature_matches(&feature, current))
-			{
-				found = TRUE;
-				break;
-			}
-		}
-		features->destroy(features);
-		list->destroy(list);
-	}
-	plugins->destroy(plugins);
-
-	return found;
-}
-
 int main()
 {
 	SRunner *sr;
@@ -83,7 +52,8 @@ int main()
 	srunner_add_suite(sr, threading_suite_create());
 	srunner_add_suite(sr, utils_suite_create());
 	srunner_add_suite(sr, vectors_suite_create());
-	if (has_feature(PLUGIN_DEPENDS(PRIVKEY_GEN, KEY_ECDSA)))
+	if (lib->plugins->has_feature(lib->plugins,
+								  PLUGIN_DEPENDS(PRIVKEY_GEN, KEY_ECDSA)))
 	{
 		srunner_add_suite(sr, ecdsa_suite_create());
 	}