#!/usr/bin/env python
#
# Copyright 2014 Google Inc. 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.

"""Protocol Buffer Model tests

Unit tests for the Protocol Buffer model.
"""
from __future__ import absolute_import

__author__ = "mmcdonald@google.com (Matt McDonald)"

import unittest
import httplib2

from googleapiclient.model import ProtocolBufferModel


class MockProtocolBuffer(object):
    def __init__(self, data=None):
        self.data = data

    def __eq__(self, other):
        return self.data == other.data

    @classmethod
    def FromString(cls, string):
        return cls(string)

    def SerializeToString(self):
        return self.data


class Model(unittest.TestCase):
    def setUp(self):
        self.model = ProtocolBufferModel(MockProtocolBuffer)

    def test_no_body(self):
        headers = {}
        path_params = {}
        query_params = {}
        body = None

        headers, params, query, body = self.model.request(
            headers, path_params, query_params, body
        )

        self.assertEqual(headers["accept"], "application/x-protobuf")
        self.assertTrue("content-type" not in headers)
        self.assertNotEqual(query, "")
        self.assertEqual(body, None)

    def test_body(self):
        headers = {}
        path_params = {}
        query_params = {}
        body = MockProtocolBuffer("data")

        headers, params, query, body = self.model.request(
            headers, path_params, query_params, body
        )

        self.assertEqual(headers["accept"], "application/x-protobuf")
        self.assertEqual(headers["content-type"], "application/x-protobuf")
        self.assertNotEqual(query, "")
        self.assertEqual(body, "data")

    def test_good_response(self):
        resp = httplib2.Response({"status": "200"})
        resp.reason = "OK"
        content = "data"

        content = self.model.response(resp, content)
        self.assertEqual(content, MockProtocolBuffer("data"))

    def test_no_content_response(self):
        resp = httplib2.Response({"status": "204"})
        resp.reason = "No Content"
        content = ""

        content = self.model.response(resp, content)
        self.assertEqual(content, MockProtocolBuffer())


if __name__ == "__main__":
    unittest.main()