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# Copyright 2013 OpenStack Foundation
#
#    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 keystone.tests import test_v3


class CatalogTestCase(test_v3.RestfulTestCase):
    """Test service & endpoint CRUD."""

    def setUp(self):
        super(CatalogTestCase, self).setUp()

    # region crud tests

    def test_create_region(self):
        """Call ``POST /regions``."""
        ref = self.new_region_ref()
        r = self.post(
            '/regions',
            body={'region': ref})
        return self.assertValidRegionResponse(r, ref)

    def test_list_regions(self):
        """Call ``GET /regions``."""
        r = self.get('/regions')
        self.assertValidRegionListResponse(r, ref=self.region)

    def test_list_regions_xml(self):
        """Call ``GET /regions (xml data)``."""
        r = self.get('/regions', content_type='xml')
        self.assertValidRegionListResponse(r, ref=self.region)

    def test_get_region(self):
        """Call ``GET /regions/{region_id}``."""
        r = self.get('/regions/%(region_id)s' % {
            'region_id': self.region_id})
        self.assertValidRegionResponse(r, self.region)

    def test_update_region(self):
        """Call ``PATCH /regions/{region_id}``."""
        region = self.new_region_ref()
        del region['id']
        r = self.patch('/regions/%(region_id)s' % {
            'region_id': self.region_id},
            body={'region': region})
        self.assertValidRegionResponse(r, region)

    def test_delete_region(self):
        """Call ``DELETE /regions/{region_id}``."""
        self.delete('/regions/%(region_id)s' % {
            'region_id': self.region_id})

    # service crud tests

    def test_create_service(self):
        """Call ``POST /services``."""
        ref = self.new_service_ref()
        r = self.post(
            '/services',
            body={'service': ref})
        return self.assertValidServiceResponse(r, ref)

    def test_list_services(self):
        """Call ``GET /services``."""
        r = self.get('/services')
        self.assertValidServiceListResponse(r, ref=self.service)

    def test_list_services_xml(self):
        """Call ``GET /services (xml data)``."""
        r = self.get('/services', content_type='xml')
        self.assertValidServiceListResponse(r, ref=self.service)

    def test_get_service(self):
        """Call ``GET /services/{service_id}``."""
        r = self.get('/services/%(service_id)s' % {
            'service_id': self.service_id})
        self.assertValidServiceResponse(r, self.service)

    def test_update_service(self):
        """Call ``PATCH /services/{service_id}``."""
        service = self.new_service_ref()
        del service['id']
        r = self.patch('/services/%(service_id)s' % {
            'service_id': self.service_id},
            body={'service': service})
        self.assertValidServiceResponse(r, service)

    def test_delete_service(self):
        """Call ``DELETE /services/{service_id}``."""
        self.delete('/services/%(service_id)s' % {
            'service_id': self.service_id})

    # endpoint crud tests

    def test_list_endpoints(self):
        """Call ``GET /endpoints``."""
        r = self.get('/endpoints')
        self.assertValidEndpointListResponse(r, ref=self.endpoint)

    def test_list_endpoints_xml(self):
        """Call ``GET /endpoints`` (xml data)."""
        r = self.get('/endpoints', content_type='xml')
        self.assertValidEndpointListResponse(r, ref=self.endpoint)

    def test_create_endpoint(self):
        """Call ``POST /endpoints``."""
        ref = self.new_endpoint_ref(service_id=self.service_id)
        r = self.post(
            '/endpoints',
            body={'endpoint': ref})
        self.assertValidEndpointResponse(r, ref)

    def assertValidErrorResponse(self, response):
        self.assertTrue(response.status_code in [400])

    def test_create_endpoint_400(self):
        """Call ``POST /endpoints``."""
        ref = self.new_endpoint_ref(service_id=self.service_id)
        ref["region"] = "0" * 256
        self.post('/endpoints', body={'endpoint': ref}, expected_status=400)

    def test_get_endpoint(self):
        """Call ``GET /endpoints/{endpoint_id}``."""
        r = self.get(
            '/endpoints/%(endpoint_id)s' % {
                'endpoint_id': self.endpoint_id})
        self.assertValidEndpointResponse(r, self.endpoint)

    def test_update_endpoint(self):
        """Call ``PATCH /endpoints/{endpoint_id}``."""
        ref = self.new_endpoint_ref(service_id=self.service_id)
        del ref['id']
        r = self.patch(
            '/endpoints/%(endpoint_id)s' % {
                'endpoint_id': self.endpoint_id},
            body={'endpoint': ref})
        self.assertValidEndpointResponse(r, ref)

    def test_delete_endpoint(self):
        """Call ``DELETE /endpoints/{endpoint_id}``."""
        self.delete(
            '/endpoints/%(endpoint_id)s' % {
                'endpoint_id': self.endpoint_id})

    def test_create_endpoint_on_v2(self):
        # clear the v3 endpoint so we only have endpoints created on v2
        self.delete(
            '/endpoints/%(endpoint_id)s' % {
                'endpoint_id': self.endpoint_id})

        # create a v3 endpoint ref, and then tweak it back to a v2-style ref
        ref = self.new_endpoint_ref(service_id=self.service['id'])
        del ref['id']
        del ref['interface']
        ref['publicurl'] = ref.pop('url')
        ref['internalurl'] = None
        # don't set adminurl to ensure it's absence is handled like internalurl

        # create the endpoint on v2 (using a v3 token)
        r = self.admin_request(
            method='POST',
            path='/v2.0/endpoints',
            token=self.get_scoped_token(),
            body={'endpoint': ref})
        endpoint_v2 = r.result['endpoint']

        # test the endpoint on v3
        r = self.get('/endpoints')
        endpoints = self.assertValidEndpointListResponse(r)
        self.assertEqual(len(endpoints), 1)
        endpoint_v3 = endpoints.pop()

        # these attributes are identical between both API's
        self.assertEqual(endpoint_v3['region'], ref['region'])
        self.assertEqual(endpoint_v3['service_id'], ref['service_id'])
        self.assertEqual(endpoint_v3['description'], ref['description'])

        # a v2 endpoint is not quite the same concept as a v3 endpoint, so they
        # receive different identifiers
        self.assertNotEqual(endpoint_v2['id'], endpoint_v3['id'])

        # v2 has a publicurl; v3 has a url + interface type
        self.assertEqual(endpoint_v3['url'], ref['publicurl'])
        self.assertEqual(endpoint_v3['interface'], 'public')

        # tests for bug 1152632 -- these attributes were being returned by v3
        self.assertNotIn('publicurl', endpoint_v3)
        self.assertNotIn('adminurl', endpoint_v3)
        self.assertNotIn('internalurl', endpoint_v3)

        # test for bug 1152635 -- this attribute was being returned by v3
        self.assertNotIn('legacy_endpoint_id', endpoint_v3)
