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/**
 * Test for Subscription
 */

#include <gtest/gtest.h>
#include <uORB/Subscription.hpp>
#include <uORB/uORB.h>
#include <uORB/topics/orb_test.h>

namespace uORB
{
namespace test
{


class uORBSubscriptionTestable  : public  uORB::Subscription
{
public:
	uORBSubscriptionTestable() : Subscription(ORB_ID(orb_test), 0)
	{
	}

	void setNodeValue(void *node)
	{
		_node = node;

	}
	void *getNodeValue()
	{
		return _node;
	}

};


class uORBSubscriptionTest : public ::testing::Test
{
protected:
	uORBSubscriptionTestable  testable;

	static void SetUpTestSuite()
	{
		uORB::Manager::initialize();

		orb_test_s message{};
		orb_advertise(ORB_ID(orb_test), &message);

	}
	static void TearDownTestSuite()
	{
		uORB::Manager::terminate();
	}

	void TearDown() override
	{
		testable.setNodeValue(nullptr);
	}


};

TEST_F(uORBSubscriptionTest, updateWhenSubscribedThenNotSubscribedTwice)
{
	int anyValue = 1;
	testable.setNodeValue(&anyValue);

	testable.updated();

	ASSERT_EQ(testable.getNodeValue(), &anyValue) << "Original node value don't have to be overrwiten";
}

TEST_F(uORBSubscriptionTest, updateWhenNotSubscribedThenSubscribed)
{
	testable.setNodeValue(nullptr);

	testable.updated();

	ASSERT_NE(testable.getNodeValue(), nullptr) << "Node value after 'updated' have to be initialized";
}
}
}