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/*
* Copyright (C) 2018 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <gtest/gtest.h>
#include <ignition/plugin/EnablePluginFromThis.hh>
#include <ignition/plugin/Loader.hh>
#include <ignition/plugin/SpecializedPluginPtr.hh>
#include <ignition/plugin/WeakPluginPtr.hh>
#include "../plugins/DummyPlugins.hh"
#include "utils.hh"
/////////////////////////////////////////////////
TEST(EnablePluginFromThis, BasicInstantiate)
{
ignition::plugin::Loader pl;
pl.LoadLib(IGNDummyPlugins_LIB);
ignition::plugin::PluginPtr plugin =
pl.Instantiate("test::util::DummyMultiPlugin");
ASSERT_TRUE(plugin);
auto *fromThisInterface =
plugin->QueryInterface<ignition::plugin::EnablePluginFromThis>();
EXPECT_TRUE(fromThisInterface);
ignition::plugin::PluginPtr fromThis = fromThisInterface->PluginFromThis();
EXPECT_EQ(plugin, fromThis);
ignition::plugin::ConstPluginPtr constFromThis =
static_cast<const ignition::plugin::EnablePluginFromThis*>(
fromThisInterface)->PluginFromThis();
EXPECT_EQ(constFromThis, fromThis);
test::util::DummyGetPluginInstancePtr *getInstance =
plugin->QueryInterface<test::util::DummyGetPluginInstancePtr>();
ASSERT_TRUE(getInstance);
std::shared_ptr<void> ptr = getInstance->PluginInstancePtr();
EXPECT_NE(nullptr, ptr);
// Note: the DummySinglePlugin class does not inherit EnablePluginFromThis
plugin = pl.Instantiate("test::util::DummySinglePlugin");
ASSERT_TRUE(plugin);
fromThisInterface =
plugin->QueryInterface<ignition::plugin::EnablePluginFromThis>();
EXPECT_EQ(nullptr, fromThisInterface);
}
/////////////////////////////////////////////////
using MySpecializedPluginPtr = ignition::plugin::SpecializedPluginPtr<
test::util::DummyNameBase,
test::util::DummyDoubleBase,
test::util::DummyIntBase
>;
/////////////////////////////////////////////////
TEST(EnablePluginFromThis, TemplatedInstantiate)
{
ignition::plugin::Loader pl;
pl.LoadLib(IGNDummyPlugins_LIB);
MySpecializedPluginPtr plugin =
pl.Instantiate<MySpecializedPluginPtr>("test::util::DummyMultiPlugin");
ASSERT_TRUE(plugin);
auto *fromThisInterface =
plugin->QueryInterface<ignition::plugin::EnablePluginFromThis>();
EXPECT_TRUE(fromThisInterface);
ignition::plugin::PluginPtr fromThis = fromThisInterface->PluginFromThis();
EXPECT_EQ(plugin, fromThis);
// Note: the DummySinglePlugin class does not inherit EnablePluginFromThis
plugin = pl.Instantiate<MySpecializedPluginPtr>(
"test::util::DummySinglePlugin");
ASSERT_TRUE(plugin);
fromThisInterface =
plugin->QueryInterface<ignition::plugin::EnablePluginFromThis>();
EXPECT_EQ(nullptr, fromThisInterface);
}
/////////////////////////////////////////////////
TEST(EnablePluginFromThis, LibraryManagement)
{
const std::string &libraryPath = IGNDummyPlugins_LIB;
ignition::plugin::WeakPluginPtr weak;
{
ignition::plugin::PluginPtr longterm;
CHECK_FOR_LIBRARY(libraryPath, false);
{
ignition::plugin::Loader pl;
pl.LoadLib(libraryPath);
CHECK_FOR_LIBRARY(libraryPath, true);
ignition::plugin::PluginPtr temporary =
pl.Instantiate("test::util::DummyMultiPlugin");
auto fromThis =
temporary->QueryInterface<ignition::plugin::EnablePluginFromThis>();
longterm = fromThis->PluginFromThis();
weak = fromThis->PluginFromThis();
EXPECT_FALSE(weak.IsExpired());
EXPECT_FALSE(longterm.IsEmpty());
}
EXPECT_FALSE(weak.IsExpired());
EXPECT_FALSE(longterm.IsEmpty());
CHECK_FOR_LIBRARY(libraryPath, true);
}
EXPECT_TRUE(weak.IsExpired());
CHECK_FOR_LIBRARY(libraryPath, false);
}
/////////////////////////////////////////////////
int main(int argc, char **argv)
{
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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