# -*- coding: utf-8 -*-
# Copyright (c) 2019 Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

from __future__ import absolute_import, division, print_function
__metaclass__ = type

from ansible.module_utils.facts.hardware import linux

from . linux_data import CPU_INFO_TEST_SCENARIOS


def test_get_cpu_info(mocker):
    module = mocker.Mock()
    inst = linux.LinuxHardware(module)

    mocker.patch('os.path.exists', return_value=False)
    mocker.patch('os.access', return_value=True)
    for test in CPU_INFO_TEST_SCENARIOS:
        mocker.patch('ansible.module_utils.facts.hardware.linux.get_file_lines', side_effect=[[], test['cpuinfo']])
        mocker.patch('os.sched_getaffinity', create=True, return_value=test['sched_getaffinity'])
        module.run_command.return_value = (0, test['nproc_out'], '')
        collected_facts = {'ansible_architecture': test['architecture']}

        assert test['expected_result'] == inst.get_cpu_facts(collected_facts=collected_facts)


def test_get_cpu_info_nproc(mocker):
    module = mocker.Mock()
    inst = linux.LinuxHardware(module)

    mocker.patch('os.path.exists', return_value=False)
    mocker.patch('os.access', return_value=True)
    for test in CPU_INFO_TEST_SCENARIOS:
        mocker.patch('ansible.module_utils.facts.hardware.linux.get_file_lines', side_effect=[[], test['cpuinfo']])
        mocker.patch('os.sched_getaffinity', create=True, side_effect=AttributeError)
        mocker.patch('ansible.module_utils.facts.hardware.linux.get_bin_path', return_value='/usr/bin/nproc')
        module.run_command.return_value = (0, test['nproc_out'], '')
        collected_facts = {'ansible_architecture': test['architecture']}

        assert test['expected_result'] == inst.get_cpu_facts(collected_facts=collected_facts)


def test_get_cpu_info_missing_arch(mocker):
    module = mocker.Mock()
    inst = linux.LinuxHardware(module)

    # ARM and Power will report incorrect processor count if architecture is not available
    mocker.patch('os.path.exists', return_value=False)
    mocker.patch('os.access', return_value=True)
    for test in CPU_INFO_TEST_SCENARIOS:
        mocker.patch('ansible.module_utils.facts.hardware.linux.get_file_lines', side_effect=[[], test['cpuinfo']])
        mocker.patch('os.sched_getaffinity', create=True, return_value=test['sched_getaffinity'])

        module.run_command.return_value = (0, test['nproc_out'], '')

        test_result = inst.get_cpu_facts()

        if test['architecture'].startswith(('armv', 'aarch', 'ppc')):
            assert test['expected_result'] != test_result
        else:
            assert test['expected_result'] == test_result