/**

 * Copyright (c) 2025 Huawei Technologies Co., Ltd.

 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of

 * CANN Open Software License Agreement Version 2.0 (the "License").

 * Please refer to the License for details. You may not use this file except in compliance with the License.

 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,

 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.

 * See LICENSE in the root of the software repository for the full text of the License.

 */



#include "gtest/gtest.h"

#include <mockcpp/mockcpp.hpp>



#include "offload_stream_manager_pub.h"

#include "stream_pub.h"

#include "sal.h"

#include "hccl/base.h"

#include <hccl/hccl_types.h>



using namespace std;

using namespace hccl;



class OffloadStreamManagerTest : public testing::Test

{

protected:

    static void SetUpTestCase()

    {

        std::cout << "\033[36m--OffloadStreamManagerTest SetUP--\033[0m" << std::endl;

    }

    static void TearDownTestCase()

    {

        std::cout << "\033[36m--OffloadStreamManagerTest TearDown--\033[0m" << std::endl;

    }

    // Some expensive resource shared by all tests.

    virtual void SetUp()

    {

        s32 portNum = 7;

        MOCKER(hrtGetHccsPortNum)

            .stubs()

            .with(mockcpp::any(), outBound(portNum))

            .will(returnValue(HCCL_SUCCESS));

        std::cout << "A Test SetUP" << std::endl;

    }

    virtual void TearDown()

    {

        std::cout << "A Test TearDown" << std::endl;

        GlobalMockObject::verify();

    }



    OffloadStreamManager manager;

};



TEST_F(OffloadStreamManagerTest, ut_register_and_get_one_slave)

{

    s32 ret = HCCL_SUCCESS;

    std::vector<Stream> outStream;



    std::vector<Stream> slaves;

    slaves.push_back(Stream(StreamType::STREAM_TYPE_OFFLINE));



    s32 deviceLogicID;

    /*  设置资源 */

    ret = manager.RegisterSlaves("tag", slaves);

    EXPECT_EQ(ret, HCCL_SUCCESS);



    /* 获取资源 */

    outStream = manager.GetSlaves("tag", 1);

    EXPECT_EQ(outStream.size(), 1);



    /*  释放资源 */

    ret = manager.ClearSlaves("tag");

    EXPECT_EQ(ret, HCCL_SUCCESS);



    /* 销毁公共资源 */

    manager.ClearSlaves();

}



TEST_F(OffloadStreamManagerTest, ut_register_and_get_muti_slaves)

{

    s32 ret = HCCL_SUCCESS;

    std::vector<Stream> outStream;



    std::vector<Stream> slaves;

    for (int i = 0; i < 10; i++) {

        slaves.push_back(Stream(StreamType::STREAM_TYPE_OFFLINE));

    }



    /* 设置资源 */

    ret = manager.RegisterSlaves("tag", slaves);

    EXPECT_EQ(ret, HCCL_SUCCESS);



    /* 获取资源 */

    outStream = manager.GetSlaves("tag", 9);

    EXPECT_EQ(outStream.size(), 9);



    outStream = manager.GetSlaves("tag", 1);

    EXPECT_EQ(outStream.size(), 1);



    manager.ClearSlaves();

}



TEST_F(OffloadStreamManagerTest, ut_register_and_get_zero_slave)

{

    s32 ret = HCCL_SUCCESS;

    std::vector<Stream> outStream;



    std::vector<Stream> slaves;

    /*  设置资源 */

    ret = manager.RegisterSlaves("tag", slaves);

    EXPECT_EQ(ret, HCCL_SUCCESS);



    /* 获取资源 */

    outStream = manager.GetSlaves("tag", 0);

    EXPECT_EQ(outStream.size(), 0);



    manager.ClearSlaves();

}



TEST_F(OffloadStreamManagerTest, ut_get_zero_slave_no_register)

{

    s32 ret = HCCL_SUCCESS;

    std::vector<Stream> outStream;



    /* 获取资源 */

    outStream = manager.GetSlaves("tag", 0);

    EXPECT_EQ(outStream.size(), 0);



    manager.ClearSlaves();

}



TEST_F(OffloadStreamManagerTest, ut_register_slave_fail)

{

    s32 ret = HCCL_SUCCESS;

    std::vector<Stream> outStream;



    std::vector<Stream> slaves;

    slaves.push_back(Stream(StreamType::STREAM_TYPE_OFFLINE));



    /*  设置资源 */

    ret = manager.RegisterSlaves("tag", slaves);

    EXPECT_EQ(ret, HCCL_SUCCESS);



    /* 重复设置资源失败 */

    ret = manager.RegisterSlaves("tag", slaves);    

    EXPECT_EQ(ret, HCCL_E_PARA);



    ret = manager.ClearSlaves("tag");

    EXPECT_EQ(ret, HCCL_SUCCESS);

}



TEST_F(OffloadStreamManagerTest, ut_get_slave_exceed_fail)

{

    s32 ret = HCCL_SUCCESS;

    std::vector<Stream> outStream;



    std::vector<Stream> slaves;

    for (int i = 0; i < 5; i++) {

        slaves.push_back(Stream(StreamType::STREAM_TYPE_OFFLINE));

    }

    s32 deviceLogicID;

    /* 设置资源 */

    ret = manager.RegisterSlaves("tag", slaves);

    EXPECT_EQ(ret, HCCL_SUCCESS);



    /* 获取资源 */

    outStream = manager.GetSlaves("tag", 8);

    EXPECT_EQ(outStream.size(), 0);



    manager.ClearSlaves();

}



TEST_F(OffloadStreamManagerTest, ut_get_slave_invalid_tag_fail)

{

    s32 ret = HCCL_SUCCESS;

    std::vector<Stream> outStream;



    std::vector<Stream> slaves;

    for (int i = 0; i < 5; i++) {

        slaves.push_back(Stream(StreamType::STREAM_TYPE_OFFLINE));

    }

    /* 设置资源 */

    ret = manager.RegisterSlaves("tag", slaves);

    EXPECT_EQ(ret, HCCL_SUCCESS);



    /* 获取资源 */

    outStream = manager.GetSlaves("tag1", 5);

    EXPECT_EQ(outStream.size(), 0);



    manager.ClearSlaves();

}



TEST_F(OffloadStreamManagerTest, ut_register_and_get_master)

{

    s32 ret = HCCL_SUCCESS;

    Stream master(StreamType::STREAM_TYPE_OFFLINE);

    Stream outStream;



    ret = manager.RegisterMaster("tag", master);

    EXPECT_EQ(ret, HCCL_SUCCESS);



    /* 重复注册 */

    ret = manager.RegisterMaster("tag", master);

    EXPECT_EQ(ret, HCCL_SUCCESS);



    outStream = manager.GetMaster("tag");

    EXPECT_EQ(outStream.ptr(), master.ptr());

}



TEST_F(OffloadStreamManagerTest, ut_get_unregistered_master_fail)

{

    s32 ret = HCCL_SUCCESS;

    Stream master(StreamType::STREAM_TYPE_OFFLINE);

    Stream outStream;



    ret = manager.RegisterMaster("tag", master);

    EXPECT_EQ(ret, HCCL_SUCCESS);



    /* 未注册的tag */

    outStream = manager.GetMaster("tag1");

    EXPECT_TRUE(outStream.ptr() == nullptr);

}