plugin_tests.cpp

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/*
 The Real-Time eXperiment Interface (RTXI)
 Copyright (C) 2011 Georgia Institute of Technology, University of Utah, Weill Cornell Medical College

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program 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 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program. If not, see <http://www.gnu.org/licenses/>.

 */

#include <plugin_tests.h>
#include <QString>
#include <typeinfo>
#include <filesystem>
#include <dlfcn.h>
#include <fakePlugin.h>

TEST_F(PluginManagerTest, getInstance)
{
 manager = Plugin::Manager::getInstance();
 ASSERT_EQ(manager, Plugin::Manager::getInstance());
 ASSERT_EQ(manager, manager->getInstance());
}

TEST_F(PluginManagerTest, load)
{
 manager = Plugin::Manager::getInstance();
 QString libraryPath(std::filesystem::current_path().string().c_str());
 libraryPath += "/.libs/fakePlugin.so";
 Plugin::Object *testobject = new Plugin::Object();
 ASSERT_EQ(typeid(testobject).name(), typeid(manager->load(libraryPath)).name());
 delete testobject;
}

TEST_F(PluginManagerTest, unload)
{
 manager = Plugin::Manager::getInstance();
 Plugin::Object *plugin;
 QString libraryPath(std::filesystem::current_path().string().c_str());
 libraryPath += "/.libs/fakePlugin.so";
 plugin = manager->load(libraryPath);
 manager->unload(plugin);
 delete plugin;
 // Plugin::Manager uses QEvents from QT to tell itself that it needs to unload plugins... why?
 // TODO: eliminate the need to use QEvents in this instance
 // TODO: How can I tell if a single plugin has been unloaded? answer: you can't *face palm*
}

TEST_F(PluginManagerTest, unloadAll)
{
 manager = Plugin::Manager::getInstance();
 Plugin::Object **plugins = new Plugin::Object*[5];
 QString libraryPath(std::filesystem::current_path().string().c_str());
 libraryPath += "/.libs/fakePlugin.so";
 for (int i = 0; i < 5; ++i)
 {
 plugins[i] = manager->load(libraryPath);
 }
 manager->unloadAll();
 delete[] plugins;
}

TEST_F(PluginManagerTest, foreachPlugin)
{
 manager = Plugin::Manager::getInstance();
 // TODO: create a test plugin for testing foreachPlugin function in Plugin::Manager
}

TEST_F(PluginObjectTest, getLibrary)
{
 // TODO: Decouple Plugin::Object from Plugin::Manager and test getLibrary function
 Plugin::Manager *manager = Plugin::Manager::getInstance();
 QString libraryPath(std::filesystem::current_path().string().c_str());
 libraryPath += "/.libs/fakePlugin.so";
 object = manager->load(libraryPath);
 EXPECT_EQ(libraryPath.toStdString(), object->getLibrary());
 manager->unload(object);
 delete object;
}

TEST_F(PluginObjectTest, unload)
{
 // Its impossible to test this. No interface provided in order to check loading and unloading
 // status. Mainly tied to the manager class.
 // TODO: Decouple Plugin::Object from Plugin::Manager and test unload function
}