##############################################################################
# Copyright (c) 2017 ZTE Corp and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

import os
import pytest
import mock
import deploy.prepare.execute
from deploy.prepare.execute import (
    _set_qemu_compute,
    _set_default_floating_pool,
    _set_trusts_auth,
    _make_dirs,
    _write_conf_file
)

deploy.prepare.execute.KOLLA_CONF_PATH = '/tmp'


@pytest.fixture(scope="module")
def kolla_conf_file_nova_path():
    return os.path.join(deploy.prepare.execute.KOLLA_CONF_PATH, 'nova')


@pytest.fixture(scope="module")
def kolla_conf_file_heat_dir():
    return os.path.join(deploy.prepare.execute.KOLLA_CONF_PATH, 'heat')


@pytest.fixture(scope="module")
def conf_file_dir(data_root):
    return os.path.join(data_root, 'lab_conf')


def clear_tmp_dir(path):
    filelist = os.listdir(path)
    for file in filelist:
        file_path = os.path.join(path, file)
        if os.path.isfile(file_path):
            os.remove(file_path)
    os.rmdir(path)


def test__set_qemu_compute(kolla_conf_file_nova_path):
    _set_qemu_compute()
    exp_conf_file = os.path.join(kolla_conf_file_nova_path, 'nova-compute.conf')
    assert os.path.isfile(exp_conf_file)
    clear_tmp_dir(kolla_conf_file_nova_path)


def test__set_default_floating_pool(kolla_conf_file_nova_path, conf_file_dir):
    network_conf_file = os.path.join(conf_file_dir, 'network_virtual1.yml')
    _set_default_floating_pool(network_conf_file)
    exp_conf_file = os.path.join(kolla_conf_file_nova_path, 'nova-api.conf')
    assert os.path.isfile(exp_conf_file)
    clear_tmp_dir(kolla_conf_file_nova_path)


def test__set_trusts_auth(kolla_conf_file_heat_dir):
    _set_trusts_auth()
    exp_conf_file_1 = os.path.join(kolla_conf_file_heat_dir, 'heat-api.conf')
    exp_conf_file_2 = os.path.join(kolla_conf_file_heat_dir, 'heat-engine.conf')
    assert (os.path.isfile(exp_conf_file_1) and os.path.isfile(exp_conf_file_2))
    clear_tmp_dir(kolla_conf_file_heat_dir)


@pytest.mark.parametrize('ret_isdir', [
    (True),
    (False)])
@mock.patch('os.path.isdir')
@mock.patch('os.makedirs')
def test__make_dirs(mock_makedirs, mock_isdir, ret_isdir):
    path = '/tmp/test'
    mock_makedirs.return_value = True
    mock_isdir.return_value = ret_isdir
    _make_dirs(path)
    if ret_isdir is False:
        mock_makedirs.assert_called_once_with(path, mode=0744)
    else:
        mock_makedirs.assert_not_called()


def test__write_conf_file(tmpdir):
    conf_file = os.path.join(tmpdir.dirname, tmpdir.basename, 'test_conf')
    conf = 'conf_key1 = value1'
    _write_conf_file(conf_file, conf)
    with open(conf_file) as f:
        data = f.readline().rstrip('\n')
    assert data == conf
    tmpdir.remove()