/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * @file	fileop_test_utils.cpp
 * @brief	Unit test fot fileop.c
 */
#include <gtest/gtest.h>
#include "mock/syscall_io_mock.hpp"

// Test Terget files ---------------------------------------
extern "C" {
#include "../lib/fileop.c"
}
// Test Terget files ---------------------------------------
using namespace ::testing;

struct fileop_test_utils : Test, SyscallIOMockBase {};

//--------------------------------------------------------------------------------------------------------
TEST_F(fileop_test_utils, fileop_test_utils_refop_header_create__success)
{
	s_refop_file_header header;
	s_refop_file_header *head = &header;

	refop_header_create(head, 0, 0);
	refop_header_create(head, 0x1234, 1*1024*1024*1024);
	refop_header_create(head, 0x5678, 64*1024*1024*1024ul);
}
//--------------------------------------------------------------------------------------------------------
TEST_F(fileop_test_utils, fileop_test_utils_refop_header_validation__invalid_header)
{
	s_refop_file_header header;
	s_refop_file_header *head = &header;
	int ret = -1;

	// broaken magic
	refop_header_create(head, 0x1234, 64*1024*1024);
	head->magic = 0;
	ret = refop_header_validation(head);
	ASSERT_EQ(-1, ret);

	// broaken version
	refop_header_create(head, 0x1234, 64*1024*1024);
	head->version = 0x88888888;
	head->version_inv = 0x88888888;
	ret = refop_header_validation(head);
	ASSERT_EQ(-1, ret);

	// invalid version
	refop_header_create(head, 0x1234, 64*1024*1024);
	head->version = 0x88888888;
	head->version_inv = ~head->version;
	ret = refop_header_validation(head);
	ASSERT_EQ(-1, ret);

	// broaken crc
	refop_header_create(head, 0x1234, 64*1024*1024);
	head->crc16 = 0x8888;
	head->crc16_inv = 0x8888;
	ret = refop_header_validation(head);
	ASSERT_EQ(-1, ret);

	// broaken size
	refop_header_create(head, 0x1234, 64*1024*1024);
	head->size_inv = head->size;
	ret = refop_header_validation(head);
	ASSERT_EQ(-1, ret);
}
//--------------------------------------------------------------------------------------------------------
TEST_F(fileop_test_utils, fileop_test_utils_refop_header_validation__valid_header)
{
	s_refop_file_header header;
	s_refop_file_header *head = &header;
	int ret = -1;

	// Valid header
	refop_header_create(head, 0x1234, 64*1024*1024);
	ret = refop_header_validation(head);
	ASSERT_EQ(0, ret);

	// Valid header
	refop_header_create(head, 0xabcd, 64*1024);
	ret = refop_header_validation(head);
	ASSERT_EQ(0, ret);

	// Valid header
	refop_header_create(head, 0x0000, 1*1024*1024);
	ret = refop_header_validation(head);
	ASSERT_EQ(0, ret);

}
//--------------------------------------------------------------------------------------------------------
TEST_F(fileop_test_utils, fileop_test_utils_refop_file_test__stat_error)
{
	int ret = -1;

	//dummy data
	char testfilename[] = "/tmp/test.bin";

	/* stat error case
		EACCES
		EFAULT
		ELOOP
		ENAMETOOLONG
		ENOENT
		ENOMEM
		ENOTDIR
		EOVERFLOW
	*/

	EXPECT_CALL(sysiom, stat(testfilename, _)).WillOnce(SetErrnoAndReturn(ENOENT, -1));
	ret = refop_file_test(testfilename);
	ASSERT_EQ(-1, ret);

	EXPECT_CALL(sysiom, stat(testfilename, _)).WillOnce(SetErrnoAndReturn(EACCES, -1));
	ret = refop_file_test(testfilename);
	ASSERT_EQ(-2, ret);

	EXPECT_CALL(sysiom, stat(testfilename, _)).WillOnce(SetErrnoAndReturn(EFAULT, -1));
	ret = refop_file_test(testfilename);
	ASSERT_EQ(-2, ret);

	EXPECT_CALL(sysiom, stat(testfilename, _)).WillOnce(SetErrnoAndReturn(ELOOP, -1));
	ret = refop_file_test(testfilename);
	ASSERT_EQ(-2, ret);

	EXPECT_CALL(sysiom, stat(testfilename, _)).WillOnce(SetErrnoAndReturn(ENAMETOOLONG, -1));
	ret = refop_file_test(testfilename);
	ASSERT_EQ(-2, ret);

	EXPECT_CALL(sysiom, stat(testfilename, _)).WillOnce(SetErrnoAndReturn(ENOMEM, -1));
	ret = refop_file_test(testfilename);
	ASSERT_EQ(-2, ret);

	EXPECT_CALL(sysiom, stat(testfilename, _)).WillOnce(SetErrnoAndReturn(ENOTDIR, -1));
	ret = refop_file_test(testfilename);
	ASSERT_EQ(-2, ret);

	EXPECT_CALL(sysiom, stat(testfilename, _)).WillOnce(SetErrnoAndReturn(EOVERFLOW, -1));
	ret = refop_file_test(testfilename);
	ASSERT_EQ(-2, ret);

	EXPECT_CALL(sysiom, stat(testfilename, _)).WillOnce(Return(0));
	ret = refop_file_test(testfilename);
	ASSERT_EQ(0, ret);
}