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# BSD LICENSE
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# Copyright(c) 2019-2022 Intel Corporation. All rights reserved.
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################################################################################

import mock
import pytest

import common
import caps
import pqos_api

def test_caps_init():
    with mock.patch('caps.detect_supported_caps', return_value=[common.CAT_L3_CAP, common.MBA_CAP, common.SSTBF_CAP]) as mock_detect_caps,\
         mock.patch('common.PQOS_API.is_multicore', return_value = True) as mock_is_multi:

        assert not caps.caps_init()

        mock_detect_caps.assert_called_once()
        mock_is_multi.assert_called_once()

        caps.SYSTEM_CAPS = ["TEST"]
        assert not caps.caps_init()

        mock_is_multi.return_value = False
        assert caps.caps_init() == -1


@mock.patch("common.PQOS_API.is_l3_cat_supported", mock.MagicMock(return_value=True))
@mock.patch("common.PQOS_API.is_mba_supported", mock.MagicMock(return_value=False))
@mock.patch("sstbf.is_sstbf_enabled", mock.MagicMock(return_value=False))
def test_detect_cat_l3():
    assert common.CAT_L3_CAP in caps.detect_supported_caps()
    assert not common.MBA_CAP in caps.detect_supported_caps()
    assert not common.SSTBF_CAP in caps.detect_supported_caps()


@mock.patch("common.PQOS_API.is_l3_cat_supported", mock.MagicMock(return_value=False))
@mock.patch("common.PQOS_API.is_l2_cat_supported", mock.MagicMock(return_value=False))
@mock.patch("common.PQOS_API.is_mba_supported", mock.MagicMock(return_value=False))
@mock.patch("sstbf.is_sstbf_enabled", mock.MagicMock(return_value=False))
def test_detect_cat_l3_negative():
    assert common.CAT_L3_CAP not in caps.detect_supported_caps()


@mock.patch("common.PQOS_API.is_l3_cat_supported", mock.MagicMock(return_value=False))
@mock.patch("common.PQOS_API.is_l2_cat_supported", mock.MagicMock(return_value=False))
@mock.patch("common.PQOS_API.is_mba_supported", mock.MagicMock(return_value=True))
@mock.patch("sstbf.is_sstbf_enabled", mock.MagicMock(return_value=False))
def test_detect_mba():
    assert not common.CAT_L3_CAP in caps.detect_supported_caps()
    assert common.MBA_CAP in caps.detect_supported_caps()
    assert not common.SSTBF_CAP in caps.detect_supported_caps()


@mock.patch("common.PQOS_API.is_l3_cat_supported", mock.MagicMock(return_value=False))
@mock.patch("common.PQOS_API.is_l2_cat_supported", mock.MagicMock(return_value=False))
@mock.patch("common.PQOS_API.is_mba_supported", mock.MagicMock(return_value=False))
@mock.patch("sstbf.is_sstbf_enabled", mock.MagicMock(return_value=True))
def test_detect_mba_negative():
    assert not common.CAT_L3_CAP in caps.detect_supported_caps()
    assert not common.MBA_CAP in caps.detect_supported_caps()
    assert common.SSTBF_CAP in caps.detect_supported_caps()


@mock.patch("common.PQOS_API.is_l3_cat_supported", mock.MagicMock(return_value=False))
@mock.patch("common.PQOS_API.is_l2_cat_supported", mock.MagicMock(return_value=True))
@mock.patch("common.PQOS_API.is_mba_supported", mock.MagicMock(return_value=False))
@mock.patch("sstbf.is_sstbf_enabled", mock.MagicMock(return_value=False))
def test_detect_cat_l2():
    assert not common.CAT_L3_CAP in caps.detect_supported_caps()
    assert common.CAT_L2_CAP in caps.detect_supported_caps()
    assert not common.MBA_CAP in caps.detect_supported_caps()
    assert not common.SSTBF_CAP in caps.detect_supported_caps()


@mock.patch('common.PQOS_API.get_mba_num_cos', mock.MagicMock(return_value=4))
@mock.patch('caps.mba_bw_enabled', mock.MagicMock(return_value=False))
def test_mba_info():
    info = caps.mba_info()
    assert info['clos_num'] == 4
    assert info['enabled']
    assert not info['ctrl_enabled']


@mock.patch('caps.mba_bw_supported', mock.MagicMock(return_value=True))
@mock.patch('caps.mba_bw_enabled', mock.MagicMock(return_value=True))
def test_mba_ctrl_info():
    info = caps.mba_ctrl_info()
    assert info['supported']
    assert info['enabled']


@mock.patch('common.PQOS_API.get_l3_cache_size', mock.MagicMock(return_value=10 * 1024 * 1024))
@mock.patch('common.PQOS_API.get_l3_cache_way_size', mock.MagicMock(return_value=1 * 1024 * 1024))
@mock.patch('common.PQOS_API.get_l3_num_cache_ways', mock.MagicMock(return_value=10))
@mock.patch('common.PQOS_API.get_l3ca_num_cos', mock.MagicMock(return_value=16))
@mock.patch('common.PQOS_API.is_l3_cdp_supported', mock.MagicMock(return_value=True))
@mock.patch('common.PQOS_API.is_l3_cdp_enabled', mock.MagicMock(return_value=False))
def test_l3ca_info():
    info = caps.l3ca_info()
    assert info['cache_size'] == 10 * 1024 * 1024
    assert info['cache_way_size'] == 1 * 1024 * 1024
    assert info['cache_ways_num'] == 10
    assert info['clos_num'] == 16
    assert info['cdp_supported']
    assert not info['cdp_enabled']


@mock.patch('common.PQOS_API.get_l2_cache_size', mock.MagicMock(return_value=1 * 1024 * 1024))
@mock.patch('common.PQOS_API.get_l2_cache_way_size', mock.MagicMock(return_value=128 * 1024))
@mock.patch('common.PQOS_API.get_l2_num_cache_ways', mock.MagicMock(return_value=8))
@mock.patch('common.PQOS_API.get_l2ca_num_cos', mock.MagicMock(return_value=12))
@mock.patch('common.PQOS_API.is_l2_cdp_supported', mock.MagicMock(return_value=True))
@mock.patch('common.PQOS_API.is_l2_cdp_enabled', mock.MagicMock(return_value=True))
def test_l2ca_info():
    info = caps.l2ca_info()
    assert info['cache_size'] == 1 * 1024 * 1024
    assert info['cache_way_size'] == 128 * 1024
    assert info['cache_ways_num'] == 8
    assert info['clos_num'] == 12
    assert info['cdp_supported']
    assert info['cdp_enabled']
