# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright (c) 2012 Intel Corporation.
# 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.
#
# @author: Zhongyue Luo, Intel Corporation.
#

import unittest2 as unittest

import mock
from webob import exc
import webtest

from quantum.api.v2 import resource as wsgi_resource
from quantum.common import exceptions as q_exc
from quantum import context


class RequestTestCase(unittest.TestCase):
    def setUp(self):
        self.req = wsgi_resource.Request({'foo': 'bar'})

    def test_best_match_content_type(self):
        self.assertEqual(self.req.best_match_content_type(),
                         'application/json')

    def test_context_with_quantum_context(self):
        ctxt = context.Context('fake_user', 'fake_tenant')
        self.req.environ['quantum.context'] = ctxt
        self.assertEqual(self.req.context, ctxt)

    def test_context_without_quantum_context(self):
        self.assertTrue(self.req.context.is_admin)


class ResourceTestCase(unittest.TestCase):
    def test_unmapped_quantum_error(self):
        controller = mock.MagicMock()
        controller.test.side_effect = q_exc.QuantumException()

        resource = webtest.TestApp(wsgi_resource.Resource(controller))

        environ = {'wsgiorg.routing_args': (None, {'action': 'test'})}
        res = resource.get('', extra_environ=environ, expect_errors=True)
        self.assertEqual(res.status_int, exc.HTTPInternalServerError.code)

    def test_mapped_quantum_error(self):
        controller = mock.MagicMock()
        controller.test.side_effect = q_exc.QuantumException()

        faults = {q_exc.QuantumException: exc.HTTPGatewayTimeout}
        resource = webtest.TestApp(wsgi_resource.Resource(controller,
                                                          faults=faults))

        environ = {'wsgiorg.routing_args': (None, {'action': 'test'})}
        res = resource.get('', extra_environ=environ, expect_errors=True)
        self.assertEqual(res.status_int, exc.HTTPGatewayTimeout.code)

    def test_http_error(self):
        controller = mock.MagicMock()
        controller.test.side_effect = exc.HTTPGatewayTimeout()

        resource = webtest.TestApp(wsgi_resource.Resource(controller))

        environ = {'wsgiorg.routing_args': (None, {'action': 'test'})}
        res = resource.get('', extra_environ=environ, expect_errors=True)
        self.assertEqual(res.status_int, exc.HTTPGatewayTimeout.code)

    def test_unhandled_error(self):
        controller = mock.MagicMock()
        controller.test.side_effect = Exception()

        resource = webtest.TestApp(wsgi_resource.Resource(controller))

        environ = {'wsgiorg.routing_args': (None, {'action': 'test'})}
        res = resource.get('', extra_environ=environ, expect_errors=True)
        self.assertEqual(res.status_int, exc.HTTPInternalServerError.code)

    def test_status_200(self):
        controller = mock.MagicMock()
        controller.test = lambda request: {'foo': 'bar'}

        resource = webtest.TestApp(wsgi_resource.Resource(controller))

        environ = {'wsgiorg.routing_args': (None, {'action': 'test'})}
        res = resource.get('', extra_environ=environ, expect_errors=True)
        self.assertEqual(res.status_int, 200)

    def test_status_204(self):
        controller = mock.MagicMock()
        controller.test = lambda request: {'foo': 'bar'}

        resource = webtest.TestApp(wsgi_resource.Resource(controller))

        environ = {'wsgiorg.routing_args': (None, {'action': 'delete'})}
        res = resource.delete('', extra_environ=environ, expect_errors=True)
        self.assertEqual(res.status_int, 204)

    def test_no_route_args(self):
        controller = mock.MagicMock()

        resource = webtest.TestApp(wsgi_resource.Resource(controller))

        environ = {}
        res = resource.get('', extra_environ=environ, expect_errors=True)
        self.assertEqual(res.status_int, exc.HTTPInternalServerError.code)

    def test_post_with_body(self):
        controller = mock.MagicMock()
        controller.test = lambda request, body: {'foo': 'bar'}

        resource = webtest.TestApp(wsgi_resource.Resource(controller))

        environ = {'wsgiorg.routing_args': (None, {'action': 'test'})}
        res = resource.post('', params='{"key": "val"}',
                            extra_environ=environ, expect_errors=True)
        self.assertEqual(res.status_int, 200)