# -*- coding: utf-8 -*-
#
# Author: Bo Maryniuk <bo@suse.de>
#
# Copyright 2018 SUSE LLC
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Import Salt Testing Libs
from __future__ import absolute_import, print_function, unicode_literals

try:
    import pytest
except ImportError as import_error:
    pytest = None

from tests.support.mixins import LoaderModuleMockMixin
from tests.support.unit import TestCase, skipIf
from tests.support.mock import (
    patch,
    MagicMock,
    NO_MOCK,
    NO_MOCK_REASON
)

from salt.modules import x509

try:
    import m2crypto  # pylint: disable=unused-import
    HAS_M2CRYPTO = True
except ImportError:
    HAS_M2CRYPTO = False


@skipIf(NO_MOCK, NO_MOCK_REASON)
@skipIf(not bool(pytest), False)
class X509TestCase(TestCase, LoaderModuleMockMixin):

    def setup_loader_modules(self):
        return {x509: {}}

    @patch('salt.modules.x509.log', MagicMock())
    def test_private_func__parse_subject(self):
        '''
        Test private function _parse_subject(subject) it handles a missing fields
        :return:
        '''
        class FakeSubject(object):
            '''
            Class for faking x509'th subject.
            '''
            def __init__(self):
                self.nid = {'Darth Vader': 1}

            def __getattr__(self, item):
                if item != 'nid':
                    raise TypeError('A star wars satellite accidentally blew up the WAN.')

        subj = FakeSubject()
        x509._parse_subject(subj)
        x509.log.trace.assert_called_once()
        assert x509.log.trace.call_args[0][0] == "Missing attribute '%s'. Error: %s"
        assert x509.log.trace.call_args[0][1] == list(subj.nid.keys())[0]
        assert isinstance(x509.log.trace.call_args[0][2], TypeError)

    @skipIf(not HAS_M2CRYPTO, 'Skipping, M2Crypt is unavailble')
    def test_get_pem_entry(self):
        '''
        Test private function _parse_subject(subject) it handles a missing fields
        :return:
        '''
        ca_key = '''-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
'''

        ret = x509.get_pem_entry(ca_key)
        self.assertEqual(ret, ca_key)

    @skipIf(not HAS_M2CRYPTO, 'Skipping, M2Crypt is unavailble')
    def test_get_private_key_size(self):
        '''
        Test private function _parse_subject(subject) it handles a missing fields
        :return:
        '''
        ca_key = '''
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
'''

        ret = x509.get_private_key_size(ca_key)
        self.assertEqual(ret, 1024)