# Copyright (c) 2012 OpenStack Foundation
# 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.

from lxml import etree

from nova.api.openstack.compute.contrib import certificates
from nova import context
from nova.openstack.common import rpc
from nova import test
from nova.tests.api.openstack import fakes


def fake_get_root_cert(context, *args, **kwargs):
    return 'fakeroot'


def fake_create_cert(context, *args, **kwargs):
    return 'fakepk', 'fakecert'


class CertificatesTest(test.TestCase):
    def setUp(self):
        super(CertificatesTest, self).setUp()
        self.context = context.RequestContext('fake', 'fake')
        self.controller = certificates.CertificatesController()

    def test_translate_certificate_view(self):
        pk, cert = fake_create_cert(self.context)
        view = certificates._translate_certificate_view(cert, pk)
        self.assertEqual(view['data'], cert)
        self.assertEqual(view['private_key'], pk)

    def test_certificates_show_root(self):
        self.stubs.Set(rpc, 'call', fake_get_root_cert)
        req = fakes.HTTPRequest.blank('/v2/fake/os-certificates/root')
        res_dict = self.controller.show(req, 'root')

        cert = fake_get_root_cert(self.context)
        response = {'certificate': {'data': cert, 'private_key': None}}
        self.assertEqual(res_dict, response)

    def test_certificates_create_certificate(self):
        self.stubs.Set(rpc, 'call', fake_create_cert)
        req = fakes.HTTPRequest.blank('/v2/fake/os-certificates/')
        res_dict = self.controller.create(req)

        pk, cert = fake_create_cert(self.context)
        response = {'certificate': {'data': cert, 'private_key': pk}}
        self.assertEqual(res_dict, response)


class CertificatesSerializerTest(test.TestCase):
    def test_index_serializer(self):
        serializer = certificates.CertificateTemplate()
        text = serializer.serialize(dict(
                certificate=dict(
                    data='fakecert',
                    private_key='fakepk'),
                ))

        tree = etree.fromstring(text)

        self.assertEqual('certificate', tree.tag)
        self.assertEqual('fakepk', tree.get('private_key'))
        self.assertEqual('fakecert', tree.get('data'))