// Copyright(c) 2017-2019, Intel Corporation

//

// Redistribution  and  use  in source  and  binary  forms,  with  or  without

// modification, are permitted provided that the following conditions are met:

//

// * Redistributions of  source code  must retain the  above copyright notice,

//   this list of conditions and the following disclaimer.

// * Redistributions in binary form must reproduce the above copyright notice,

//   this list of conditions and the following disclaimer in the documentation

//   and/or other materials provided with the distribution.

// * Neither the name  of Intel Corporation  nor the names of its contributors

//   may be used to  endorse or promote  products derived  from this  software

//   without specific prior written permission.

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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

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// IMPLIED WARRANTIES OF  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

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extern "C" {

#include <opae/utils.h>

#include "sysfs_int.h"

#include "types_int.h"

#include "adapter.h"

bool xfpga_plugin_supports_device(const char *device_type);

int xfpga_plugin_initialize(void);

int xfpga_plugin_finalize(void);

bool xfpga_plugin_supports_host(const char *hostname);

int opae_plugin_configure(opae_api_adapter_table *adapter,

	const char *jsonConfig);

}

#include <opae/enum.h>

#include <opae/fpga.h>

#include <dlfcn.h>

#include "xfpga.h"

#include <fcntl.h>

#include "gtest/gtest.h"

#include "mock/test_system.h"

#include "adapter.h"

using namespace opae::testing;

class xfpga_plugin_c_p : public ::testing::TestWithParam<std::string> {

protected:

	xfpga_plugin_c_p()

		: tokens_{ {nullptr, nullptr} },

		handle_(nullptr) {}

	virtual void SetUp() override {

		ASSERT_TRUE(test_platform::exists(GetParam()));

		platform_ = test_platform::get(GetParam());

		system_ = test_system::instance();

		system_->initialize();

		system_->prepare_syfs(platform_);

		ASSERT_EQ(xfpga_plugin_initialize(), FPGA_OK);

		ASSERT_EQ(xfpga_fpgaGetProperties(nullptr, &filter_), FPGA_OK);

		ASSERT_EQ(fpgaPropertiesSetObjectType(filter_, FPGA_DEVICE), FPGA_OK);

		ASSERT_EQ(xfpga_fpgaEnumerate(&filter_, 1, tokens_.data(), tokens_.size(),

			&num_matches_), FPGA_OK);

		ASSERT_GT(num_matches_, 0);

		ASSERT_EQ(xfpga_fpgaOpen(tokens_[0], &handle_, 0), FPGA_OK);

	}

	virtual void TearDown() override {

		EXPECT_EQ(fpgaDestroyProperties(&filter_), FPGA_OK);

		for (auto &t : tokens_) {

			if (t) {

				EXPECT_EQ(xfpga_fpgaDestroyToken(&t), FPGA_OK);

				t = nullptr;

			}

		}

		if (handle_ != nullptr) {

			EXPECT_EQ(xfpga_fpgaClose(handle_), FPGA_OK);

			handle_ = nullptr;

		}

		xfpga_plugin_finalize();

		system_->finalize();

	}

	std::array<fpga_token, 2> tokens_;

	fpga_handle handle_;

	fpga_properties filter_;

	uint32_t num_matches_;

	test_platform platform_;

	test_system *system_;

	opae_api_adapter_table *opae_plugin_mgr_alloc_adapter_test(const char *lib_path)

	{

		void *dl_handle;

		opae_api_adapter_table *adapter;

		dl_handle = dlopen(lib_path, RTLD_LAZY | RTLD_LOCAL);

		if (!dl_handle) {

			char *err = dlerror();

			OPAE_ERR("failed to load \"%s\" %s", lib_path, err ? err : "");

			return NULL;

		}

		adapter = (opae_api_adapter_table *)calloc(

			1, sizeof(opae_api_adapter_table));

		if (!adapter) {

			dlclose(dl_handle);

			OPAE_ERR("out of memory");

			return NULL;

		}

		adapter->plugin.path = (char *)lib_path;

		adapter->plugin.dl_handle = dl_handle;

		return adapter;

	}

	int opae_plugin_mgr_free_adapter_test(opae_api_adapter_table *adapter)

	{

		int res;

		char *err;

		res = dlclose(adapter->plugin.dl_handle);

		if (res) {

			err = dlerror();

			OPAE_ERR("dlclose failed with %d %s", res, err ? err : "");

		}

		free(adapter);

		return res;

	}

};

/*

* @test       plugin

* @brief      Tests: xfpga_plugin_supports_device

*                    xfpga_plugin_supports_host

 @details    When passed with valid argument,the fn returns true 

*            When passed with invalid argument,the fn returns false 

*/

TEST_P(xfpga_plugin_c_p, test_plugin_1) {

	EXPECT_EQ(xfpga_plugin_supports_device(NULL), true);

	EXPECT_EQ(xfpga_plugin_supports_host(NULL), true);

}

/*

* @test       plugin

* @brief      Tests:xfpga_plugin_initialize

* @details    When passed with NULL argument,the fn returns -1 

*             When passed with valid argument,the fn returns 0 

*/

TEST_P(xfpga_plugin_c_p, test_plugin_2) {

	opae_api_adapter_table *adapter_table = opae_plugin_mgr_alloc_adapter_test("libxfpga.so");

	EXPECT_EQ(opae_plugin_configure(adapter_table, NULL), 0);

	if (adapter_table)

		opae_plugin_mgr_free_adapter_test(adapter_table);

}

INSTANTIATE_TEST_CASE_P(xfpga_plugin_c, xfpga_plugin_c_p,

	::testing::ValuesIn(test_platform::mock_platforms({"skx-p","dcp-rc"})));

class xfpga_plugin_mock_c_p : public ::testing::TestWithParam<std::string> {

protected:

    xfpga_plugin_mock_c_p() {};

};

/*

* @test       test_plugin_neg

* @brief      Tests:xfpga_plugin_initialize

*                   xfpga_plugin_finalize

* @details    When no driver is present, returns FPGA_NO_DRIVER.

*/

TEST_P(xfpga_plugin_mock_c_p, test_plugin_neg) {

	EXPECT_EQ(xfpga_plugin_initialize(), FPGA_NO_DRIVER);

	EXPECT_EQ(xfpga_plugin_finalize(), FPGA_OK);

}

INSTANTIATE_TEST_CASE_P(xfpga_plugin_mock_c, xfpga_plugin_mock_c_p,

     ::testing::ValuesIn(test_platform::mock_platforms()));