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# BSD LICENSE
#
# Copyright(c) 2019-2020 Intel Corporation. All rights reserved.
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# modification, are permitted provided that the following conditions
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#     notice, this list of conditions and the following disclaimer.
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#     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
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import mock
import pytest

import common
import caps

def test_caps_init():
    with mock.patch('caps.detect_supported_caps', return_value=[common.CAT_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_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_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_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_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_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_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_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()