# Copyright 2015, 2018 IBM Corp.
#
# All Rights Reserved.
#
#    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 six

from pypowervm.utils import uuid as uuid_utils

import unittest


class TestUUID(unittest.TestCase):
    """Unit tests for the uuid."""

    def test_uuid_conversion(self):
        uuid = '089ffb20-5d19-4a8c-bb80-13650627d985'
        pvm_uuid = uuid_utils.convert_uuid_to_pvm(uuid)
        self.assertEqual(uuid, pvm_uuid)

        uuid = '989ffb20-5d19-4a8c-bb80-13650627d985'
        pvm_uuid = uuid_utils.convert_uuid_to_pvm(uuid)
        self.assertEqual('1' + uuid[1:], pvm_uuid)

        uuid = 'c89ffb20-5d19-4a8c-bb80-13650627d985'
        pvm_uuid = uuid_utils.convert_uuid_to_pvm(uuid)
        self.assertEqual('4' + uuid[1:], pvm_uuid)

    def test_id_or_uuid(self):
        self.assertEqual((False, 123), uuid_utils.id_or_uuid(123))
        # Test all stringish permutations
        converters = [lambda x: x, six.text_type]
        for conv in converters:
            self.assertEqual((False, 123), uuid_utils.id_or_uuid(conv('123')))
            uuid = conv('12345678-abcd-ABCD-0000-0a1B2c3D4e5F')
            self.assertEqual((True, uuid), uuid_utils.id_or_uuid(uuid))
            uuid = conv('12345678abcdABCD00000a1B2c3D4e5F')
            self.assertEqual((True, uuid), uuid_utils.id_or_uuid(uuid))
            # This one has too many digits
            self.assertRaises(ValueError, uuid_utils.id_or_uuid,
                              conv('12345678-abcd-ABCD-0000-0a1B2c3D4e5F0'))